from:"lists"

http://tomcat.apache.org/tomcat-7.0-doc/jdbc-pool.html

 -Original Message-
 From: zuxiong lin [mailto:linzuxiong1...@gmail.com]
 Sent: Wednesday, May 02, 2012 2:35 AM
 To: Tomcat Users List
 Subject: Re: How to config the Tomcat 7.x JNDI datasource by using
 BoneCP ??
 
 See appending mail.
 
 On Wed, May 2, 2012 at 4:23 PM, Pid p...@pidster.com wrote:
 
  On 02/05/2012 02:12, zuxiong lin wrote:
   Hi, All.
   Any help ?
  
   Thanks?
  
 
  Perhaps you could read the following:
 
   http://www.catb.org/~esr/faqs/smart-questions.html
 
  and then rephrase your question?
 
 
  p
 
  --
 
  [key:62590808]
 
 


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RE: Web Socket Issue

Have the client send a ping message every 10 seconds

 -Original Message-
 From: umar farooq [mailto:umarfarooq...@gmail.com]
 Sent: Tuesday, May 01, 2012 6:06 PM
 To: users@tomcat.apache.org
 Subject: Web Socket Issue

 Hi All,
I am trying to use Chat example of WebSocket given in  Tomcat
 version
  7.0.27. Problem I faced are here.

 1) After opening the web socket it closes the socket automatically after
 20
 sec. I want connection open until Guest (i.e. user) explicitly closes
 it.
 2) Second thing is that It broad casts the message to all users but what
 i
 want is to send message to a specific group of people.
 Is there any method to send message to specific group.?? I checked API
 for
 WebSocket but there is no method for multicast.

 Kindly help me I have very short time to implement it.

 Thanks..
 --
 *Regards,
 *
 *Muhammad Umar Farooq*
 *Student **BIT* | SEECS, NUST *
 *

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RE: Web Socket Issue

While the API call to set timeout is missing (it is present in Tomcat's
Comet implementation) a forever setting would not do you any good
Your application has to learn how to deal with disconnects, as they are very
common over WAN.
I expect that a future version will have that call, but it wont completely
solve your problem

Best
Filip

 -Original Message-
 From: umar farooq [mailto:umarfarooq...@gmail.com]
 Sent: Wednesday, May 02, 2012 12:45 PM
 To: Tomcat Users List
 Subject: Re: Web Socket Issue
 
 But it is not requirement. I want to send ping once to open the socket
 after that it should depend on user when he wants to close the
 connection.
 Cannot I explicitly call some method to set timeout forever on client or
 server side. Or any other mechanism..??
 
 On Wed, May 2, 2012 at 10:04 AM, Filip Hanik (mailing lists) 
 devli...@hanik.com wrote:
 
  Have the client send a ping message every 10 seconds
 
   -Original Message-
   From: umar farooq [mailto:umarfarooq...@gmail.com]
   Sent: Tuesday, May 01, 2012 6:06 PM
   To: users@tomcat.apache.org
   Subject: Web Socket Issue
  
   Hi All,
  I am trying to use Chat example of WebSocket given in  Tomcat
   version
7.0.27. Problem I faced are here.
  
   1) After opening the web socket it closes the socket automatically
 after
   20
   sec. I want connection open until Guest (i.e. user) explicitly
 closes
   it.
   2) Second thing is that It broad casts the message to all users but
 what
   i
   want is to send message to a specific group of people.
   Is there any method to send message to specific group.?? I checked
 API
   for
   WebSocket but there is no method for multicast.
  
   Kindly help me I have very short time to implement it.
  
   Thanks..
   --
   *Regards,
   *
   *Muhammad Umar Farooq*
   *Student **BIT* | SEECS, NUST *
   *
 
 
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 --
 *Regards,
 *
 *Muhammad Umar Farooq*
 *Student **BIT* | SEECS, NUST *
 *


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RE: Tomcat 7 NIO Socket accept failed - Too many open files

Ok, lsof -p pid (IIRC) should do the trick, it will tell all the handles open 
for that process, and you can deduce where the problem stems from

 -Original Message-
 From: David Wall [mailto:d.w...@computer.org]
 Sent: Wednesday, May 02, 2012 2:48 PM
 To: users@tomcat.apache.org
 Subject: Re: Tomcat 7 NIO Socket accept failed - Too many open files

 On 5/2/2012 12:34 PM, Pid * wrote:
  It's an OS issue: google 'ulimit'.

  p

 Yes, I am familiar with ulimit -Sn (it's 1024), but I suspect this could
 be a Tomcat issue somehow opening too many files and/or not releasing
 them.  I had never seen this issue before we upgraded from Tomcat 5.5
 (all using BIO) to Tomcat 7.0 (all using NIO).  We run on lots of
 servers, and none have shown this error before (and they are all Linux
 servers all set to 1024 for open files).  But we will give it a try by
 setting to a higher number.

 The reason we suspect it's Tomcat is that we're getting other
 exceptions, too, those that indicate our session/request objects are not
 valid when our JSPs are running (and of course work fine when the loads
 are normal, but start to fail when we push lots of concurrent requests
 at Tomcat).

 David

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RE: How to config the Tomcat 7.x JNDI datasource by using BoneCP ??

BoneCP doesn't have a JNDI factory AFAICT, and it's also missing a lot of
critical features, like validation etc

Filip 

 -Original Message-
 From: zuxiong lin [mailto:linzuxiong1...@gmail.com]
 Sent: Wednesday, May 02, 2012 7:36 PM
 To: Tomcat Users List
 Subject: Re: How to config the Tomcat 7.x JNDI datasource by using
 BoneCP ??

  Don't do that: remove mysql-connector-j-5.1.9.jar from WEB-INF/lib.
  Also remove the JAR for BoneCP.

 I donot have a try now. This morning I received your mail ,UTC+8.
 Before I sent my mail for help , I just put the jar in both Tomcat/lib
 dir
 and webapp/WEB-INF/lib.
 And I found I am very confused in Tomcat- Reasource *factory*= /
 ...
 It seems that facotry doesnot work well.

 I found com.jolbox.bonecp.BoneCPDataSource have properties
 : driverClassName in javax.naming.spi.ObjectFactory#getObjectInstance
 and driverClass .

 Thanks!

 On Thu, May 3, 2012 at 9:19 AM, Christopher Schultz 
 ch...@christopherschultz.net wrote:

  -BEGIN PGP SIGNED MESSAGE-
  Hash: SHA1

  Zuxiong,

  On 5/2/12 9:13 PM, zuxiong lin wrote:
   When I use BoneCP in per-web-app,  it is OK with  partitionCount .
   partitionCount  is a property of BoneCP.

  Okay, that's fine then.

   MySQL Connector/J  5.1.19,  I put it into both Tomcat's lib/
   directory and my webapp's WEB-INF/lib directory.

  Don't do that: remove mysql-connector-j-5.1.9.jar from WEB-INF/lib.
  Also remove the JAR for BoneCP.

   I can have a try. I think it doesnot work :

  Did you try it or not?

   you'll need to have the JAR files for MySQL Connector/J *and*
   BoneCP in Tomcat's lib/ directory and *not* in your webapp's
   WEB-INF/lib directory.

  I thought it was clear: Tomcat needs these libraries. Your webapp does
  not. If you put those .jar files into WEB-INF/lib, things will ber
  seriously confused.

  - -chris
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  Comment: GPGTools - http://gpgtools.org
  Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

  iEYEARECAAYFAk+h3Q8ACgkQ9CaO5/Lv0PBItwCZAQ46/6hFozDCuQuzD6CzAsFg
  CRAAoKLTCLFSoswkgvreSBUBYeShxM1R
  =k9mT
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RE: How to config the Tomcat 7.x JNDI datasource by using BoneCP ??

Aah, yes you are right. The specify 

Resource name=jdbc/DB factory=com.jolbox.bonecp.BoneCPDataSource
type=javax.sql.DataSource .../

Filip

 -Original Message-
 From: zuxiong lin [mailto:linzuxiong1...@gmail.com]
 Sent: Wednesday, May 02, 2012 8:40 PM
 To: Tomcat Users List
 Subject: Re: How to config the Tomcat 7.x JNDI datasource by using
 BoneCP ??
 
 com.jolbox.bonecp.BoneCPDataSource  implements DataSource,
 *ObjectFactory ,
 *
 *isnot it a JNDI factory ?
 *
 On Thu, May 3, 2012 at 10:30 AM, Filip Hanik (mailing lists) 
 devli...@hanik.com wrote:
 
  BoneCP doesn't have a JNDI factory AFAICT, and it's also missing a lot
 of
  critical features, like validation etc
 
  Filip
 
   -Original Message-
   From: zuxiong lin [mailto:linzuxiong1...@gmail.com]
   Sent: Wednesday, May 02, 2012 7:36 PM
   To: Tomcat Users List
   Subject: Re: How to config the Tomcat 7.x JNDI datasource by using
   BoneCP ??
  
Don't do that: remove mysql-connector-j-5.1.9.jar from WEB-
 INF/lib.
Also remove the JAR for BoneCP.
  
   I donot have a try now. This morning I received your mail ,UTC+8.
   Before I sent my mail for help , I just put the jar in both
 Tomcat/lib
   dir
   and webapp/WEB-INF/lib.
   And I found I am very confused in Tomcat- Reasource *factory*=
 /
   ...
   It seems that facotry doesnot work well.
  
   I found com.jolbox.bonecp.BoneCPDataSource have properties
   : driverClassName in
 javax.naming.spi.ObjectFactory#getObjectInstance
   and driverClass .
  
  
  
   Thanks!
  
  
   On Thu, May 3, 2012 at 9:19 AM, Christopher Schultz 
   ch...@christopherschultz.net wrote:
  
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
   
Zuxiong,
   
On 5/2/12 9:13 PM, zuxiong lin wrote:
 When I use BoneCP in per-web-app,  it is OK with  partitionCount
 .
 partitionCount  is a property of BoneCP.
   
Okay, that's fine then.
   
 MySQL Connector/J  5.1.19,  I put it into both Tomcat's lib/
 directory and my webapp's WEB-INF/lib directory.
   
Don't do that: remove mysql-connector-j-5.1.9.jar from WEB-
 INF/lib.
Also remove the JAR for BoneCP.
   
 I can have a try. I think it doesnot work :
   
Did you try it or not?
   
 you'll need to have the JAR files for MySQL Connector/J *and*
 BoneCP in Tomcat's lib/ directory and *not* in your webapp's
 WEB-INF/lib directory.
   
I thought it was clear: Tomcat needs these libraries. Your webapp
 does
not. If you put those .jar files into WEB-INF/lib, things will ber
seriously confused.
   
- -chris
-BEGIN PGP SIGNATURE-
Version: GnuPG/MacGPG2 v2.0.17 (Darwin)
Comment: GPGTools - http://gpgtools.org
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
   
iEYEARECAAYFAk+h3Q8ACgkQ9CaO5/Lv0PBItwCZAQ46/6hFozDCuQuzD6CzAsFg
CRAAoKLTCLFSoswkgvreSBUBYeShxM1R
=k9mT
-END PGP SIGNATURE-
   
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RE: Signing and Encrypting messages using Apache tribes

2012-05-01 Thread Filip Hanik (mailing lists)

 -Original Message-
 From: Madhav Bhargava [mailto:unmarsh...@gmail.com]
 Sent: Monday, April 30, 2012 4:16 PM
 To: users@tomcat.apache.org
 Subject: Signing and Encrypting messages using Apache tribes

 Hi All,

 We use apache tribes for inter node communication via multicast. For
 securing inter node communication two things are required:

 1. Establishing the identity of a node as valid who is sending the
 message
 2. Encrypting selective messages which are sensitive in nature.

 This topic was raised some time back (
 http://tomcat.10.n6.nabble.com/Securing-Tomcat-cluster-communication-
 td1973779.html
  )

 It is recommended that encryption/decryption of messages be done using a
 custom interceptor or using a stunnel, the former approach being the
 preferred approach. 
[Filip Hanik] 
Correct, using an interceptor you can do that. That is the easiest way. You can 
also use it for membership as membership messages carry a payload.

It has also being mentioned that the option
 SEND_OPTIONS_SECURE has not been implemented. This was in 2011, how its
 2012 - Has this been implemented now?
[Filip Hanik]
No.

 What do you suggest is the best way using tribes to sign messages - via
 another interceptor 
[Filip Hanik] 
Yes, use an interceptor

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RE: Tribes coordinator

2012-05-01 Thread Filip Hanik (mailing lists)

 -Original Message-
 From: Afkham Azeez [mailto:afk...@gmail.com]
 Sent: Tuesday, April 24, 2012 2:39 AM
 To: Tomcat Users List
 Subject: Re: Tribes coordinator

 Hi Filip,
 I have integrated the NonBlockingCoordinator  committed to the Axis2
 trunk. One thing I noticed is that even if the current coordinator is
 alive, and a new member joins, it is possible for the new member to be
 made
 the coordinator while the existing coordinator transforms into a normal
 member. Is this the intended behavior? Is it possible to change the
 coordinator only if the existing coordinator fails?
[Filip Hanik] 
It was a while ago I wrote that. Non blocking coordinator means that 
Change of coordination can be happen while other activities take place.

I think the NonBlocking coordinator builds on the absolute order algorithm
for selecting a coordinator.
The absolute order is a stateless ranking system in tribes that let's you
order members with no chat/messages exchanged.
So, the answer to your question would be no, cause if a member joins with a
higher rank, it becomes coordinator.

Now, what you could do is change the criteria for the absolute order stuff,
instead of ranking it based on IP (IIRC) then rank on how long a member has
been alive. This way, the member with the largest uptime will always be
coordinator. Of course, instead of using uptime, use starttime, so you don't
use a value that changes with every membership message

Best
Filip

 Thanks
 Azeez

 On Tue, Apr 24, 2012 at 11:26 AM, Afkham Azeez afk...@gmail.com wrote:

  Thanks for the pointers Filip. I will take a look.

  On Mon, Apr 23, 2012 at 9:12 PM, Filip Hanik Mailing Lists 
  devli...@hanik.com wrote:

  http://tomcat.apache.org/tomcat-7.0-
 doc/api/org/apache/catalina/tribes/group/interceptors/package-
 summary.html

  Take a look at SimpleCoordinator and NonBlockingCoordinator

  Equally simple to implement your own based on the requirement you
 have
  for leader election.

  It does depend on what you need leader ship for, sometimes, like
 virtual
  synchrony, leaders are used to determine atomic delivery of a message
 to an
  entire group. Either the entire group gets it, or doesn't.

  Filip

  - Original Message -
   From: Afkham Azeez afk...@gmail.com
   To: Tomcat Users List users@tomcat.apache.org
   Sent: Monday, April 23, 2012 6:38:31 AM
   Subject: Tribes coordinator

   We are using Tribes in Axis2. In a cluster, we want to have leader
   election, and one member to be designated as the coordinator. How
 can
   this
   be achieved using Tribes?

   Thanks
   Azeez

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Re: Tribes coordinator

2012-04-23 Thread Filip Hanik Mailing Lists

http://tomcat.apache.org/tomcat-7.0-doc/api/org/apache/catalina/tribes/group/interceptors/package-summary.html

Take a look at SimpleCoordinator and NonBlockingCoordinator

Equally simple to implement your own based on the requirement you have for 
leader election.

It does depend on what you need leader ship for, sometimes, like virtual 
synchrony, leaders are used to determine atomic delivery of a message to an 
entire group. Either the entire group gets it, or doesn't.

Filip

- Original Message -
 From: Afkham Azeez afk...@gmail.com
 To: Tomcat Users List users@tomcat.apache.org
 Sent: Monday, April 23, 2012 6:38:31 AM
 Subject: Tribes coordinator
 
 We are using Tribes in Axis2. In a cluster, we want to have leader
 election, and one member to be designated as the coordinator. How can
 this
 be achieved using Tribes?
 
 Thanks
 Azeez
 

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Re: dbcp datasource encryption

2012-04-23 Thread Filip Hanik Mailing Lists



- Original Message -

 
 http://wiki.apache.org/tomcat/FAQ/Password
 
 
 In short, no.
 
 Encrypting your database, database user, and database password buys
 you virtually (and most people would say actually) nothing.

virtually nothing is the opposite of what I would call it. What about 
compliance, this is HUGE for companies, and not to be discarded as an 
unimportant requirement

http://tomcat.markmail.org/thread/wmdu4e52y2msjzal

If you wish to implement password obfuscator/deobfuscator yourself, you can set 
the 
org.apache.tomcat.util.digester.PROPERTY_SOURCE system property to a class that 
deobfuscates your password for you

reference: http://tomcat.apache.org/tomcat-7.0-doc/config/systemprops.html


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LockOutRealm IP logging

2012-04-16 Thread Oliver Kohll - Mailing Lists

Hello,

Is it possible to get LockOutRealm to include the client's IP address in log 
messages, rather than just the username? Messages such as

16-Apr-2012 13:43:23 org.apache.catalina.realm.LockOutRealm authenticate
WARNING: An attempt was made to authenticate the locked user administrator

Regards
Oliver Kohll
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Re: LockOutRealm IP logging

2012-04-16 Thread Oliver Kohll - Mailing Lists


On 16 Apr 2012, at 14:53, Daniel Mikusa wrote:

 Hello,
 
 Is it possible to get LockOutRealm to include the client's IP address
 
 Not as convenient, but if you have an access log enabled you should be able 
 to find the IP address in there.
 
 Dan

Thanks, I've now set up FastCommonAccessLogValve in server.xml

Oliver

RE: Bug in Tomcat AJP Connector?

2012-04-05 Thread Filip Hanik (mailing lists)

 -Original Message-
 From: Konstantin Kolinko [mailto:knst.koli...@gmail.com]
 Sent: Thursday, April 05, 2012 10:18 AM
 To: Tomcat Users List
 Subject: Re: Bug in Tomcat AJP Connector?

 2012/4/5 Christopher Schultz ch...@christopherschultz.net:

  On 4/5/12 11:57 AM, Konstantin Kolinko wrote:
  1. Tomcat does not start JVM  thus it cannot restart it.

  You need some external tool or script or admin to perform
  monitoring and (re)starts.

  Asking Tomcat to restart itself after OOME would be like expecting you
  to defibrillate yourself. It works in theory, but not in practice.

 Yes.  It reminds me of that Bond movie
[Filip Hanik] 
I would not discard this as a joke, software is headed that way, there are
solutions for this today, and more of them will come tomorrow.
Self healing - it's gonna be fairly important in the new paradigm

 http://www.youtube.com/watch?v=Jhm5up5NQwk

 Best regards,
 Konstantin Kolinko

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Re: jdbc pool properties

There are some databases that do go in and periodically kill off
connections, aside from the Tomcat settings.

you may want to explore the maxAge option for this, as we can disconnect and
create new connections before the DB does kills it as long lived

- Original Message -
From: Barry L Propes barry.l.pro...@citi.com
To: Tomcat Users List users@tomcat.apache.org
Sent: Wednesday, April 4, 2012 7:53:26 AM
Subject: RE: jdbc pool properties

There are some databases that do go in and periodically kill off
connections, aside from the Tomcat settings.

In addition to testOnBorrow=true, I also had two other attributes,
but not sure if Tomcat 7.0 uses them or not, as I'm on 6.0.29.

testOnBorrow=true
timeBetweenEvictionRunsMillis=-1
minEvictableIdleTimeMillis=28800

-Original Message-
From: Daniel Mikusa [mailto:dmik...@vmware.com]
Sent: Wednesday, April 04, 2012 7:46 AM
To: Tomcat Users List
Subject: Re: jdbc pool properties

- Original Message -
My db connections seem to be lost after an extended period of
inactivity

There could be a number of reasons that this occurs. Perhaps a
network issue is causing them to be disconnected or the database may
be timing them out. At any rate, it's not likely that the problem
would be caused by the removeAbandoned / abandonedTimeout
settings, unless you application is not properly returning
connections to the connection pool.

https://tomcat.apache.org/tomcat-7.0-doc/jndi-datasource-examples-howto.html#Preventing_database_connection_pool_leaks

(for a web application). And the only way to get the connections
to
work again is to restart tomcat.

My tomcat.jdbc.pool.Datasource settings have:

property name=maxActive value=100/
property name=maxIdle value=30/
property name=maxWait value=1000/
property name=defaultAutoCommit value=true/
property name=removeAbandoned value=true/
property name=removeAbandonedTimeout value=60/

You probably want to add testOnBorrow=true and
validationQuery=SELECT 1 (or some other valid query for your DB).
See the following link for an explanation of those properties.

https://commons.apache.org/dbcp/configuration.html

This will cause your connections to be validated prior to their use
by your application. Stale connections will be removed and replaced
with new, working connections.

Is it the removedAbonded and abandonedTimeout? Does it mean after
60
seconds, remove the connection from the pool?

No. See either of the links I've referenced above for an explanation
of these settings.

I guess what I need is a minActive setting then?

There's no minActive setting. You have minIdle, but I don't
think that would help here.

Dan

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Re: [JDBC Pool] PoolCleaner creates some sort of memory

I'll take a look at the test failures, but yes you can ignore them. Tomcat 
7.0.27 will have the fix included, about to be released shortly
building it is easy, builds with both maven and ant

Filip

- Original Message -
 From: Michael Osipov michael.osi...@siemens.com
 To: Tomcat Users List users@tomcat.apache.org
 Sent: Friday, March 30, 2012 2:05:50 AM
 Subject: RE: [JDBC Pool] PoolCleaner creates some sort of memory

 Konstantin Kolinko wrote:
  2012/3/30 Osipov, Michael michael.osi...@siemens.com:
  Filip Hanik (mailing lists) wrote:
  http://svn.apache.org/viewvc?view=revisionrevision=1306946

  Thanks for the patch, I am having trouble to build from source. I
  do
  have some test failures, should I ignore them and go on?

  Please be more specific. In what tests?

 Have a look at this: http://pastebin.com/kiHLF6D9
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Re: Tomcat6 thread pool questions

In Tomcat 6, the default thread pool ignores minSpareThreads, but if you use 
Executor name=threadpool... and then Connector executor=threadpool
it will respect that value and you will see the expected the results

Filip

- Original Message -
 From: llow...@oreillyauto.com
 To: users@tomcat.apache.org
 Sent: Wednesday, April 4, 2012 7:50:24 AM
 Subject: Tomcat6 thread pool questions

 Greetings,

 I was wondering if someone could help me understand how the
 threadpools are
 handled in tomcat6. I know that a lot of the functionality was moved
 to
 executors.

 I set one up and using psi-Probe I could see that it was indeed
 killing off
 threads as I expected. However, the minSpareThreads did not seem to
 be used
 at all.

 Is my understanding of that attribute correct, in that
 minSparethreads
 should be the minimum number of threads running at any point?

 For example, if I have minSpareThreads set to 30, I should see 30
 threads
 when the server is idle, and between 30 and maxThreads when it is
 under a
 load, right?

 That is not what I am seeing, as most of the time there are only 2-3
 threads with one busy thread while the server is idle or near idle.

 If anyone could let me know either what I am missing or what it is I
 do not
 understand correctly, I would appreciate it.

 Thank you.

 Lee Lowder

 This communication and any attachments are confidential, protected by
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Re: Discrepancy between Tomcat's connection pool and tomcat's report on memory leaks

just set minIdle=0 and enable the eviction process to take care of it.

Filip

- Original Message -
 From: Hermes Flying flyingher...@yahoo.com
 To: Daniel Mikusa dmik...@vmware.com
 Cc: users@tomcat.apache.org
 Sent: Wednesday, April 4, 2012 9:53:30 AM
 Subject: Re: Discrepancy between Tomcat's connection pool and tomcat's report 
 on memory leaks

 Which is indicating that the application deployed to
 /GeneralApplication is creating a thread named H2 Log Writer
 GENERICAPPLICATION and never stopping it.  I do not believe
 that this would be associated with the pool created by Tomcat as
 that would be created as a global resource available to all
 applications and not specific to /GeneralApplication.
 I can't really say a whole lot more about what is going on, just
 that this strikes me as odd.  If it were my app, I'd dig into this
 more and see what is creating that thread.  Possibly with a
 profiler or thread dumps.

 What is happening here (as I undestand it is the following):
 1) My application uses Tomcat's connection pool from the data source
 2) My application uses H2 as a file database. H2 starts back end(s)
 thread which is about logging (H2 logging) and possibly other tasks
  and that is the thread that catalina complaints about
 3) H2 remains open as long as there are open connections and is
 closed when the last connection is released
 4) My application uses Tomcat's connection pool and as a result
 Tomcat decides when the data source should be disposed or when
 connections are released (not my code).
 5) I shutdown Tomcat.
 6) The connection pool of Tomcat has still connections (e.g. idle)
 and so H2 does not shutdown. Hence it's lock file and related
 background threads are still running.
 7) Tomcat shuts down my application but does not dispose off the
 connection pool (yet). I believe this happens because of the way
 Tomcat is being shut down (as sequence of actions I mean).
 8) Since the connection pool has not been disposed, there are still
 connections and as a result H2 is still running
 9) Tomcat's memory leak detection mechanism detects H2 threads
 started from GenericApplication which uses H2 and gives the report
 in catalina.out. So Tomcat gives the report first and then proceeds
 with the shutdown (and this perhaps is not correct? I can't say)
 10) Tomcat eventually shuts down.

 Is this scenario as I describe it, wrong?
 Should I somehow have configured the datasource to be associated
 with my web application instead of a generic data source? Why?
 Should I have shut the data source myself? How?
 If all what I describe is reasonable this seems to me like a racing
 condition. How should I mediate this?

 Thank you for your time.

  From: Daniel Mikusa dmik...@vmware.com
 To: Hermes Flying flyingher...@yahoo.com
 Sent: Wednesday, April 4, 2012 5:14 PM
 Subject: Re: Discrepancy between Tomcat's connection pool and
 tomcat's report on memory leaks

 - Original Message -

  What I do is get the dataSource inside a ServletContextListener and
  save it in servlet context (as part of a DAO Factory):

  public void contextInitialized(ServletContextEvent sce) {

  ServletContext context = sce.getServletContext();
  DataSource dataSource = null;
  try {
  dataSource = (DataSource) new
  InitialContext().lookup(java:/comp/env/jdbc/GenericDataSource);
  context.setAttribute(daogenericfactory,
  DAOGenericFactory.getInstance(dataSource));

  } catch (NamingException e) {
  e.printStackTrace();
  }

  }

  The DAOGenericFactory just returns specific DAO objects passing in
  their constructor the data source.
  Each DAO instance has an member variable of DataSource and for
  action
  to the database I do in order to get a connection:

  public Connection getConnection() throws Exception{
  return dataSource.getConnection();
  }

  So I use the Connection this way and I always close the connections
  in order to be returned back to the pool.
  The only thing perhaps to mention is that I create new DAO objects
  passing this data source (I don't reuse instances of DAO).
  So I don't have a pool of my own. I just use DAO pattern .
  This is happening in my web application GeneralApplication
  Is this information adequate/clear?

 Definitely clear.  It just doesn't seem to match up with the output
 from the log files.  You're seeing

     SEVERE: The web application [/GeneralApplication] appears to have
     started a thread named [H2 Log Writer GENERICAPPLICATION] but has
     failed to stop it. This is very likely to create a memory leak.

 Which is indicating that the application deployed to
 /GeneralApplication is creating a thread named H2 Log Writer
 GENERICAPPLICATION and never stopping it.  I do not believe that
 this would be associated with the pool created by Tomcat as that
 would be created as a global resource available to all applications
 and not specific to /GeneralApplication.

 I can't really say a whole lot

Re: Discrepancy between Tomcat's connection pool and tomcat's report on memory leaks

no, that would happen if you set maxIdle=0, not minIdle

- Original Message -
 From: Hermes Flying flyingher...@yahoo.com
 To: Tomcat Users List users@tomcat.apache.org
 Sent: Wednesday, April 4, 2012 10:45:24 AM
 Subject: Re: Discrepancy between Tomcat's connection pool and tomcat's report 
 on memory leaks

 But if I set 'minIdle=0' all the connections would close imediatelly,
 right?
 So why would I need a connection pool in the first place if I do
 this?

  From: Filip Hanik Mailing Lists devli...@hanik.com
 To: Tomcat Users List users@tomcat.apache.org
 Sent: Wednesday, April 4, 2012 7:28 PM
 Subject: Re: Discrepancy between Tomcat's connection pool and
 tomcat's report on memory leaks

 just set minIdle=0 and enable the eviction process to take care of
 it.

 Filip

 - Original Message -
  From: Hermes Flying flyingher...@yahoo.com
  To: Daniel Mikusa dmik...@vmware.com
  Cc: users@tomcat.apache.org
  Sent: Wednesday, April 4, 2012 9:53:30 AM
  Subject: Re: Discrepancy between Tomcat's connection pool and
  tomcat's report on memory leaks

  Which is indicating that the application deployed to
  /GeneralApplication is creating a thread named H2 Log Writer
  GENERICAPPLICATION and never stopping it.  I do not believe
  that this would be associated with the pool created by Tomcat as
  that would be created as a global resource available to all
  applications and not specific to /GeneralApplication.
  I can't really say a whole lot more about what is going on, just
  that this strikes me as odd.  If it were my app, I'd dig into
  this
  more and see what is creating that thread.  Possibly with a
  profiler or thread dumps.

  What is happening here (as I undestand it is the following):
  1) My application uses Tomcat's connection pool from the data
  source
  2) My application uses H2 as a file database. H2 starts back end(s)
  thread which is about logging (H2 logging) and possibly other tasks
   and that is the thread that catalina complaints about
  3) H2 remains open as long as there are open connections and is
  closed when the last connection is released
  4) My application uses Tomcat's connection pool and as a result
  Tomcat decides when the data source should be disposed or when
  connections are released (not my code).
  5) I shutdown Tomcat.
  6) The connection pool of Tomcat has still connections (e.g. idle)
  and so H2 does not shutdown. Hence it's lock file and related
  background threads are still running.
  7) Tomcat shuts down my application but does not dispose off the
  connection pool (yet). I believe this happens because of the way
  Tomcat is being shut down (as sequence of actions I mean).
  8) Since the connection pool has not been disposed, there are still
  connections and as a result H2 is still running
  9) Tomcat's memory leak detection mechanism detects H2 threads
  started from GenericApplication which uses H2 and gives the report
  in catalina.out. So Tomcat gives the report first and then proceeds
  with the shutdown (and this perhaps is not correct? I can't say)
  10) Tomcat eventually shuts down.

  Is this scenario as I describe it, wrong?
  Should I somehow have configured the datasource to be associated
  with my web application instead of a generic data source? Why?
  Should I have shut the data source myself? How?
  If all what I describe is reasonable this seems to me like a
  racing
  condition. How should I mediate this?

  Thank you for your time.

   From: Daniel Mikusa dmik...@vmware.com
  To: Hermes Flying flyingher...@yahoo.com
  Sent: Wednesday, April 4, 2012 5:14 PM
  Subject: Re: Discrepancy between Tomcat's connection pool and
  tomcat's report on memory leaks

  - Original Message -

   What I do is get the dataSource inside a ServletContextListener
   and
   save it in servlet context (as part of a DAO Factory):

   public void contextInitialized(ServletContextEvent sce) {

   ServletContext context = sce.getServletContext();
   DataSource dataSource = null;
   try {
   dataSource = (DataSource) new
   InitialContext().lookup(java:/comp/env/jdbc/GenericDataSource);
   context.setAttribute(daogenericfactory,
   DAOGenericFactory.getInstance(dataSource));

   } catch (NamingException e) {
   e.printStackTrace();
   }

   }

   The DAOGenericFactory just returns specific DAO objects passing
   in
   their constructor the data source.
   Each DAO instance has an member variable of DataSource and for
   action
   to the database I do in order to get a connection:

   public Connection getConnection() throws Exception{
   return dataSource.getConnection();
   }

   So I use the Connection this way and I always close the
   connections
   in order to be returned back to the pool.
   The only thing perhaps to mention is that I create new DAO
   objects
   passing this data source (I don't reuse instances of DAO).
   So I

Re: Discrepancy between Tomcat's connection pool and tomcat's report on memory leaks

The real fix to your problem should have been

Resource type=javax.sql.DataSource closeMethod=close .../ (available in 
Tomcat 7)

If I understand the problem you're having is two fold
1. you see reports about memory leaks
started a thread named [H2 File Lock Watchdog you should be able to fix this 
by setting initialSize0 so that the thread is started using the main class 
loader when tomcat starts, not when an app starts using the pool.
(Tomcat 7's jdbc-pool does this automatically from 7.0.27 onwards, regardless 
of configuration)

2. The connection pool is not closed properly, again, this is addressed in the 
top of this email.

letting the pool eventually shrink to 0, is merely a work around, but I realize 
it will NOT work. H2 is starting it's own thread, there is no way around this, 
unless there is way to shut down this thread. Maybe this shuts down if all 
connections are closed.

Filip

- Original Message -
 From: Hermes Flying flyingher...@yahoo.com
 To: Filip Hanik Mailing Lists devli...@hanik.com, Tomcat Users List 
 users@tomcat.apache.org
 Sent: Wednesday, April 4, 2012 10:56:10 AM
 Subject: Re: Discrepancy between Tomcat's connection pool and tomcat's report 
 on memory leaks
 
 
 
 Ok. So how is the configuration parameter fixing my problem? Would
 you please explain this to me to undestand how this works?
 
 
 
 
 
 From: Filip Hanik Mailing Lists devli...@hanik.com
 To: Tomcat Users List users@tomcat.apache.org; Hermes Flying
 flyingher...@yahoo.com
 Sent: Wednesday, April 4, 2012 7:50 PM
 Subject: Re: Discrepancy between Tomcat's connection pool and
 tomcat's report on memory leaks
 
 no, that would happen if you set maxIdle=0, not minIdle
 
 - Original Message -
  From: Hermes Flying  flyingher...@yahoo.com 
  To: Tomcat Users List  users@tomcat.apache.org 
  Sent: Wednesday, April 4, 2012 10:45:24 AM
  Subject: Re: Discrepancy between Tomcat's connection pool and
  tomcat's report on memory leaks
  
  But if I set 'minIdle=0' all the connections would close
  imediatelly,
  right?
  So why would I need a connection pool in the first place if I do
  this?
  
  
  
  From: Filip Hanik Mailing Lists  devli...@hanik.com 
  To: Tomcat Users List  users@tomcat.apache.org 
  Sent: Wednesday, April 4, 2012 7:28 PM
  Subject: Re: Discrepancy between Tomcat's connection pool and
  tomcat's report on memory leaks
  
  just set minIdle=0 and enable the eviction process to take care of
  it.
  
  Filip
  
  
  - Original Message -
   From: Hermes Flying  flyingher...@yahoo.com 
   To: Daniel Mikusa  dmik...@vmware.com 
   Cc: users@tomcat.apache.org
   Sent: Wednesday, April 4, 2012 9:53:30 AM
   Subject: Re: Discrepancy between Tomcat's connection pool and
   tomcat's report on memory leaks
   
   Which is indicating that the application deployed to
   /GeneralApplication is creating a thread named H2 Log Writer
   GENERICAPPLICATION and never stopping it. I do not believe
   that this would be associated with the pool created by Tomcat
   as
   that would be created as a global resource available to all
   applications and not specific to /GeneralApplication.
   I can't really say a whole lot more about what is going on,
   just
   that this strikes me as odd. If it were my app, I'd dig into
   this
   more and see what is creating that thread. Possibly with a
   profiler or thread dumps.
   
   What is happening here (as I undestand it is the following):
   1) My application uses Tomcat's connection pool from the data
   source
   2) My application uses H2 as a file database. H2 starts back
   end(s)
   thread which is about logging (H2 logging) and possibly other
   tasks
   and that is the thread that catalina complaints about
   3) H2 remains open as long as there are open connections and is
   closed when the last connection is released
   4) My application uses Tomcat's connection pool and as a result
   Tomcat decides when the data source should be disposed or when
   connections are released (not my code).
   5) I shutdown Tomcat.
   6) The connection pool of Tomcat has still connections (e.g.
   idle)
   and so H2 does not shutdown. Hence it's lock file and related
   background threads are still running.
   7) Tomcat shuts down my application but does not dispose off the
   connection pool (yet). I believe this happens because of the way
   Tomcat is being shut down (as sequence of actions I mean).
   8) Since the connection pool has not been disposed, there are
   still
   connections and as a result H2 is still running
   9) Tomcat's memory leak detection mechanism detects H2 threads
   started from GenericApplication which uses H2 and gives the
   report
   in catalina.out. So Tomcat gives the report first and then
   proceeds
   with the shutdown (and this perhaps is not correct? I can't say)
   10) Tomcat eventually shuts down.
   
   Is this scenario as I describe it, wrong?
   Should I somehow have configured

RE: [JDBC Pool] PoolCleaner creates some sort of memory

2012-03-29 Thread Filip Hanik (mailing lists)

http://svn.apache.org/viewvc?view=revisionrevision=1306946



 -Original Message-
 From: Osipov, Michael [mailto:michael.osi...@siemens.com]
 Sent: Thursday, March 29, 2012 1:36 AM
 To: Tomcat Users List
 Subject: RE: [JDBC Pool] PoolCleaner creates some sort of memory
 



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RE: [JDBC Pool] PoolCleaner creates some sort of memory

PoolCleaner is a static singleton. The pool cleaner thread will not be removed 
until all JDBC pools have been stopped.
So, yes, one application can be the one that starts the thread, but not 
necessarily the one that stops it

Filip

 -Original Message-
 From: Osipov, Michael [mailto:michael.osi...@siemens.com]
 Sent: Wednesday, March 28, 2012 8:29 AM
 To: users@tomcat.apache.org
 Subject: [JDBC Pool] PoolCleaner creates some sort of memory
 
 Hi folks,
 
 Recently this started to pop up in my logs:
 23.03.2012 14:12:28 org.apache.catalina.loader.WebappClassLoader
 clearReferencesThreads
 SCHWERWIEGEND: The web application [/ket] appears to have started a
 thread named [PoolCleaner[18291494:1332172047553]] but has failed to stop
 it. This is very likely to create a memory leak.
 
 There is some similar thread [1] which had no real result.
 
 I am on Tomcat 6.0.35, all DataSources are created in the context.xml file. 
 All
 DataSources are cleaned up (closed) with a context.xml Listener. The JDBC
 Pool is version 7.0.26.
 
 As far as my debug sessions have revealed (with attached VisualVM), it does
 not matter how many apps you deploy the PoolCleanTimer thread is created
 only once and retained until all apps have been stopped or removed. This
 makes Tomcat think that this is a memory leak.
 
 Is there a way to associate this thread with another class loader in order to
 avoid this problem or create multiple threads or simple ignore this warning
 which is not a solution for those who face that issue too?
 
 Besides that, the numbers in the thread name are not very informative, the
 classloader hashcode and timestamp did not really help to to identify
 anything. Can this be improved?
 
 [1] http://www.mail-archive.com/users@tomcat.apache.org/msg87350.html
 
 With best regards,
 Michael Osipov
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RE: tomcat dbcp encryption

Or pay a vendor to do it for you :)
http://pubs.vmware.com/vfabric5/index.jsp?topic=/com.vmware.vfabric.tc-server.2.6/admin/manual-encrypt-passwords.html



 -Original Message-
 From: Christopher Schultz [mailto:ch...@christopherschultz.net]
 Sent: Wednesday, March 28, 2012 10:25 AM
 To: Tomcat Users List
 Subject: Re: tomcat dbcp encryption
 
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA1
 
 Ognjen,
 
 On 3/27/12 6:32 AM, Ognjen Blagojevic wrote:
  이재만,
 
  On 27.3.2012 9:54, 이재만 wrote:
  how do i encrypt my datasource's user and password  in server.xml
  ??
 
  Read this: http://wiki.apache.org/tomcat/FAQ/Password
 
 No, he didn't like that answer last time, so he asked again :(
 
 The answer, of course, is to use ZIP encryption or PGP/GPG. Good luck
 starting Tomcat after that, though.
 
 - -chris
 -BEGIN PGP SIGNATURE-
 Version: GnuPG/MacGPG2 v2.0.17 (Darwin)
 Comment: GPGTools - http://gpgtools.org
 Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
 
 iEYEARECAAYFAk9zO2UACgkQ9CaO5/Lv0PDj0gCfY3mSJV/VYzhjk226RPeo617
 Q
 aGEAn2zXTsQayySY6txyRC16m9UOS2Id
 =+Tna
 -END PGP SIGNATURE-
 
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RE: [JDBC Pool] PoolCleaner creates some sort of memory

: SHA1
 
 Filip,
 
 On 3/28/12 12:00 PM, Filip Hanik (mailing lists) wrote:
  PoolCleaner is a static singleton. The pool cleaner thread will not
  be removed until all JDBC pools have been stopped. So, yes, one
  application can be the one that starts the thread, but not
  necessarily the one that stops it
 
 Is there any reason not to associate the thread with the
 WebappClassLoader's parent? Otherwise, this will pin the first webapp
 to use tomcat-pool in memory until all webapps have been undeployed,
 right?
[Filip Hanik] 

Correct, I can add in a fix for this to force the context classloader to be the 
same as the pool while it is starting the thread

 
 - -chris
 -BEGIN PGP SIGNATURE-
 Version: GnuPG/MacGPG2 v2.0.17 (Darwin)
 Comment: GPGTools - http://gpgtools.org
 Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
 
 iEYEARECAAYFAk9zPQkACgkQ9CaO5/Lv0PD7wwCeOR3bVeJOk6fyWsTtzE3Fp
 bzm
 Bk8AnjrsNqyp3zsHexJhIuLumEgZ1fsj
 =pI1I
 -END PGP SIGNATURE-
 
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RE: Accessing static resource during loading of webapp

Are you trying to read a file in the same webapp or another?

 -Original Message-
 From: Farrukh Najmi [mailto:farr...@wellfleetsoftware.com]
 Sent: Wednesday, March 28, 2012 4:34 PM
 To: users@tomcat.apache.org
 Subject: Accessing static resource during loading of webapp

 I have a webapp that accesses some static resources during startup of
 the webapp. On Glassfish 3.1.2 this works fine. However on Tomcat 7.0.26
 the webapp ciode gets a read timeout when it tries to do an HTTP GET
 using a URLConnection to a static resource deployed in the same tomcat
 instance. Is there a way to fix this?

 --
 Regards,
 Farrukh Najmi

 Web: http://www.wellfleetsoftware.com

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Re: Operation has timed out(3000 ms.).;

2012-03-22 Thread Filip Hanik Mailing Lists

take a look at the Sender timeout=... .../ attribute

http://tomcat.apache.org/tomcat-6.0-doc/config/cluster-sender.html

- Original Message -
 From: Dhaval Jaiswal dhaval.jais...@via.com
 To: Tomcat Users List users@tomcat.apache.org
 Sent: Wednesday, March 21, 2012 10:35:14 PM
 Subject: Operation has timed out(3000 ms.).;

 Receiving below errors in catalina log. I have changed the backup
 manager
 value of dropTime=3000 to 1 with restart of tomcats. However,
 still
 it is not taking effect  notifying that Operation has timed out(3000
 ms.)
 Please guide me where should i look to stop this messages.

 SEVERE: Unable to send message through cluster sender.
 org.apache.catalina.tribes.ChannelException: Operation has timed
 out(3000
 ms.).; Faulty members:tcp://{-64, -88, 3, 6}:4000;
 at
 org.apache.catalina.tribes.transport.nio.ParallelNioSender.sendMessage(ParallelNioSender.java:97)
 at
 org.apache.catalina.tribes.transport.nio.PooledParallelSender.sendMessage(PooledParallelSender.java:53)
 at
 org.apache.catalina.tribes.transport.ReplicationTransmitter.sendMessage(ReplicationTransmitter.java:80)
 at
 org.apache.catalina.tribes.group.ChannelCoordinator.sendMessage(ChannelCoordinator.java:78)
 at
 org.apache.catalina.tribes.group.ChannelInterceptorBase.sendMessage(ChannelInterceptorBase.java:75)
 at
 org.apache.catalina.tribes.group.interceptors.TcpFailureDetector.sendMessage(TcpFailureDetector.java:87)

 --
 *
   Dhaval Jaiswal
 Database  System
  E: dhaval.jais...@via.com
 T: +91-80-4043 3000
 M: +91-8095397843
  www.via.com
  http://www.admin.viaworld.in/callcenter?action1=ADD_EPR_LOG

  *

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Re: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)

2012-03-22 Thread Filip Hanik Mailing Lists

 Ultimately tho I'd still like to see some debug logging from the pool
 itself.  Is there a simple way to turn it on?

not to the problem you are looking at. if a connection got taken out of the 
pool, and it passed validation, then everything is ok.
at this point the SQLException you get has all the data, and the problem is 
probably at the network level

the fact that you see that for 2 hours and problem goes away with restart, that 
can only be the app holding on to the flawed connection, cause there would have 
been several validations during the 2 hour period :) I think there is a loop 
somewhere that when it fails it just retries and retries, logAbandoned will 
show that though.

Filip




- Original Message -
 From: Colin Ingarfield colin...@gmail.com
 To: Tomcat Users List users@tomcat.apache.org
 Sent: Thursday, March 22, 2012 8:06:14 AM
 Subject: Re: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)
 
 Ah, Wireshark.  My friend calls it the universal debugger. :)
 
 I will set the validation interval to 1 and keep an eye on the
 network to
 see what's going on.  I may also install MySql locally so I can kill
 it
 easily to try and simulation connection timeouts.  I won't really
 feel this
 is resolved until I can recreate the original issue.
 

 
 Thanks,
 Colin
 
 On Wed, Mar 21, 2012 at 11:20 AM, Filip Hanik Mailing Lists 
 devli...@hanik.com wrote:
 
  it will take a while to see the abandoned log. I'm not implying
  every
  request hogs the connection, but that you could have ended up in a
  scenario
  where that did happen.
  otherwise, you would have not seen the problem for 2 hours and to
  go away
  when the system was restarted, as it should have failed on
  validation.
 
  You can enable validation every single time by doing
 
  validationInterval=1
 
  after that, if it was me, I'd start pulling in something like
  Wireshark to
  see what is going on
 
  Filip
 
  - Original Message -
   From: Colin Ingarfield colin...@gmail.com
   To: Tomcat Users List users@tomcat.apache.org
   Sent: Wednesday, March 21, 2012 10:11:43 AM
   Subject: Re: how to enable debug logging for Tomcat jdbc pool
   (Tomcat
  6.0.32)
  
   I added the 3 abandoned settings but I don't see any indication
   in
   the
   tomcat log that connections are being abandoned.  I also made the
   max
   pool
   size pretty small.. my application would have failed quickly if
   all
   the
   connections we're being incorrectly held up.
  
   Anything else I can try?  Thanks again for your  help.
  
   -- Colin
  
   On Wed, Mar 21, 2012 at 10:41 AM, Filip Hanik Mailing Lists 
   devli...@hanik.com wrote:
  
Got it, thank you.
The other way this can happen is if the application checks out
a
connection and then never returns it, and expects it to be
used.
For this you will want to enable
   
removeAbandonedTimeout=60
removeAbandoned=true
logAbandoned=true
   
this should tell you pretty quickly if you got a component that
is
hogging
the connection. So test that first. Now if that is the case,
there
is a way
to fix that:
   
1. remove the above settings
2. compile and configure the interceptor described in:
  https://issues.apache.org/bugzilla/show_bug.cgi?id=52024
In this interceptor, when a failure occurs, it automatically
reconnects
and retries the operation. And that is the only way to get
around
the
problem (assuming my assumption is correct)
   
   
Filip
- Original Message -
 From: Colin Ingarfield colin...@gmail.com
 To: users@tomcat.apache.org
 Sent: Wednesday, March 21, 2012 9:30:46 AM
 Subject: Re: how to enable debug logging for Tomcat jdbc pool
 (Tomcat
6.0.32)

 My configuration:

Resource auth=Container
 name=jdbc/cdb.mysql
 defaultAutoCommit=false
 driverClassName=com.mysql.jdbc.Driver
 factory=org.apache.tomcat.jdbc.pool.DataSourceFactory
 url=jdbc:mysql://X.com/_dev?sessionVariables=TRANSACTION
 ISOLATION LEVEL READ COMMITTED
 username=X
 password=X

 maxActive=100
 maxIdle=100
 minIdle=10
 initialSize=10
 maxWait=1
 testOnBorrow=true
 type=javax.sql.DataSource
 validationQuery=SELECT 1/


 I have testOnBorrow and validationQuery set as you suggest,
 so I
 do
 not
 think that is the issue.

 Thanks,
 Colin

   
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Re: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)

2012-03-22 Thread Filip Hanik Mailing Lists

Pretty much you're guaranteed to have a network problem at that point. You see 
Java caches DNS translations forever, and yanking VPN like that may change 
around IPs but the JVM is not aware of that. Wireshark would tell you that. Now 
relying in VPN is never a good thing, but maybe it's required. You could try
1. Use IP instead of host name in your jdbc URL
2. Configure the JRE to not cache dns lookups, (network.properties)


The error you see tells you that:
1. The pool doesn't have any idle established connections idle=0
2. The pool doesn't have any connections used by other threads busy=0
3. There is currently 1 thread trying to activate a connection size=1. The size 
is an atomic counter to protect against overuse in a lock free way. 


Filip



Hi Filip,

Today I have been trying to recreate the issue by disconnecting from the
vpn, as:
1.  Start app.  Pool creates some connections via the vpn.
2.  Test app a bit to execute sql queries.
3.  Shut down the vpn
4.  Force some more queries.  Predictably, connections fail and exceptions
show up in the logs.
5.  Restore vpn connection
6.  Check if pool creates new connections, which it does not.

I also upgraded to the latest pool available in maven
central: tomcat-jdbc-7.0.26.jar

I understand this could still be a connection leak in my application.  But
the new pool version logs an error I don't understand:
... stack trace ...
Caused by: java.sql.SQLException: [scheduler-low-1] Timeout: Pool empty.
Unable to fetch a connection in 10 seconds, none available[size:1; busy:0;
idle:0; lastwait:1].
... more trace ...

The relevant part of my current pool DataSource configuration:
removeAbandonedTimeout=10
removeAbandoned=true
logAbandoned=true

defaultAutoCommit=false
maxActive=1 maxIdle=1 minIdle=1 maxWait=1
testOnBorrow=true
validationQuery=SELECT 1

I also have yet to see any abandoned log messages.

Should the pool always have at least 1 busy or idle connection?  If not
would it create another?

Thanks,
Colin




On Thu, Mar 22, 2012 at 11:11 AM, Filip Hanik Mailing Lists 
devli...@hanik.com wrote:

  Ultimately tho I'd still like to see some debug logging from the pool
  itself.  Is there a simple way to turn it on?

 not to the problem you are looking at. if a connection got taken out of
 the pool, and it passed validation, then everything is ok.
 at this point the SQLException you get has all the data, and the problem
 is probably at the network level

 the fact that you see that for 2 hours and problem goes away with restart,
 that can only be the app holding on to the flawed connection, cause there
 would have been several validations during the 2 hour period :) I think
 there is a loop somewhere that when it fails it just retries and retries,
 logAbandoned will show that though.

 Filip




 - Original Message -
  From: Colin Ingarfield colin...@gmail.com
  To: Tomcat Users List users@tomcat.apache.org
  Sent: Thursday, March 22, 2012 8:06:14 AM
  Subject: Re: how to enable debug logging for Tomcat jdbc pool (Tomcat
 6.0.32)
 
  Ah, Wireshark.  My friend calls it the universal debugger. :)
 
  I will set the validation interval to 1 and keep an eye on the
  network to
  see what's going on.  I may also install MySql locally so I can kill
  it
  easily to try and simulation connection timeouts.  I won't really
  feel this
  is resolved until I can recreate the original issue.
 

 
  Thanks,
  Colin
 
  On Wed, Mar 21, 2012 at 11:20 AM, Filip Hanik Mailing Lists 
  devli...@hanik.com wrote:
 
   it will take a while to see the abandoned log. I'm not implying
   every
   request hogs the connection, but that you could have ended up in a
   scenario
   where that did happen.
   otherwise, you would have not seen the problem for 2 hours and to
   go away
   when the system was restarted, as it should have failed on
   validation.
  
   You can enable validation every single time by doing
  
   validationInterval=1
  
   after that, if it was me, I'd start pulling in something like
   Wireshark to
   see what is going on
  
   Filip
  
   - Original Message -
From: Colin Ingarfield colin...@gmail.com
To: Tomcat Users List users@tomcat.apache.org
Sent: Wednesday, March 21, 2012 10:11:43 AM
Subject: Re: how to enable debug logging for Tomcat jdbc pool
(Tomcat
   6.0.32)
   
I added the 3 abandoned settings but I don't see any indication
in
the
tomcat log that connections are being abandoned.  I also made the
max
pool
size pretty small.. my application would have failed quickly if
all
the
connections we're being incorrectly held up.
   
Anything else I can try?  Thanks again for your  help.
   
-- Colin
   
On Wed, Mar 21, 2012 at 10:41 AM, Filip Hanik Mailing Lists 
devli...@hanik.com wrote:
   
 Got it, thank you.
 The other way this can happen is if the application checks out
 a
 connection and then never returns it, and expects

Re: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)

.getConnection(Unknown Source) ~[na:na]
  at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source)
 ~[na:na]
  at
 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 ~[na:1.6.0_29]
  at java.lang.reflect.Method.invoke(Method.java:597)
  ~[na:1.6.0_29]
  at
 org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
 ~[spring-aop-3.0.5.RELEASE.jar:3.0.5.RELEASE]
  at
 org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:196)
 ~[spring-aop-3.0.5.RELEASE.jar:3.0.5.RELEASE]
  at $Proxy13.getConnection(Unknown Source) ~[na:na]
  at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source)
 ~[na:na]
  at
 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 ~[na:1.6.0_29]
  at java.lang.reflect.Method.invoke(Method.java:597)
  ~[na:1.6.0_29]
  at
  net.bull.javamelody.JdbcWrapper$4.invoke(JdbcWrapper.java:660)
 ~[javamelody-core-1.34.0.jar:1.34.0]
  at
 net.bull.javamelody.JdbcWrapper$DelegatingInvocationHandler.invoke(JdbcWrapper.java:232)
 ~[javamelody-core-1.34.0.jar:1.34.0]
  at $Proxy21.getConnection(Unknown Source) ~[na:na]
  at
 org.springframework.jdbc.datasource.LazyConnectionDataSourceProxy$LazyConnectionInvocationHandler.getTargetConnection(LazyConnectionDataSourceProxy.java:403)
 ~[spring-jdbc-3.0.5.RELEASE.jar:3.0.5.RELEASE]
  at
 org.springframework.jdbc.datasource.LazyConnectionDataSourceProxy$LazyConnectionInvocationHandler.invoke(LazyConnectionDataSourceProxy.java:376)
 ~[spring-jdbc-3.0.5.RELEASE.jar:3.0.5.RELEASE]
  at $Proxy28.prepareStatement(Unknown Source) ~[na:na]
  at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)
 ~[na:na]
  at
 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 ~[na:1.6.0_29]
  at java.lang.reflect.Method.invoke(Method.java:597)
  ~[na:1.6.0_29]
  at
 net.bull.javamelody.JdbcWrapper$ConnectionInvocationHandler.invoke(JdbcWrapper.java:176)
 ~[javamelody-core-1.34.0.jar:1.34.0]
  at
 net.bull.javamelody.JdbcWrapper$DelegatingInvocationHandler.invoke(JdbcWrapper.java:232)
 ~[javamelody-core-1.34.0.jar:1.34.0]
  at $Proxy29.prepareStatement(Unknown Source) ~[na:na]
  at
 org.springframework.jdbc.core.JdbcTemplate$SimplePreparedStatementCreator.createPreparedStatement(JdbcTemplate.java:1375)
 ~[spring-jdbc-3.0.5.RELEASE.jar:3.0.5.RELEASE]
  at
 org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:580)
 ~[spring-jdbc-3.0.5.RELEASE.jar:3.0.5.RELEASE]
  ... 22 common frames omitted
 Caused by: java.net.ConnectException: Connection timed out
  at java.net.PlainSocketImpl.socketConnect(Native Method)
  ~[na:1.6.0_29]
  at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
 ~[na:1.6.0_29]
  at
 java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
 ~[na:1.6.0_29]
  at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
 ~[na:1.6.0_29]
  at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
 ~[na:1.6.0_29]
  at java.net.Socket.connect(Socket.java:529) ~[na:1.6.0_29]
  at java.net.Socket.connect(Socket.java:478) ~[na:1.6.0_29]
  at java.net.Socket.init(Socket.java:375) ~[na:1.6.0_29]
  at java.net.Socket.init(Socket.java:218) ~[na:1.6.0_29]
  at
 com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:257)
 ~[mysql-connector-java-5.1.17-bin.jar:na]
  at com.mysql.jdbc.MysqlIO.init(MysqlIO.java:294)
 ~[mysql-connector-java-5.1.17-bin.jar:na]
  ... 68 common frames omitted
 
 
 
 
 
 
 
 On 03/20/2012 10:29 AM, Filip Hanik (mailing lists) wrote:
 
 Define connection timeouts so that we can understand your problem
 to
 suggest for how to trace it down.
 What are you trying to search for. Errors would be logged as errors,
 and
 should show up with the standard configuration
 
 Filip
 
 
 -Original Message-
 From: Colin Ingarfield [mailto:colin...@gmail.com
 colin...@gmail.com]
 Sent: Monday, March 19, 2012 1:51 PM
 To: users@tomcat.apache.org
 Subject: how to enable debug logging for Tomcat jdbc pool (Tomcat
 6.0.32)
 
 Hello,
 
 I'm using the new Tomcat jdbc pool (1.1.0.1) with Tomcat 6.0.32,
 Ubuntu
 x86_64.  I would like to increase the logging from the pool to try
 and
 chase down connection timeouts.
 
 I added the following line to $CATALINA_BASE/conf/logging.properties:
 org.apache.tomcat.jdbc.pool.level=FINE
 
 (the rest of the logging.properties file is unchanged.)
 
 But I don't see any pool debug logging output on the console.  I
 thought
 this setting would enable debug logging for all classes in that
 package.
 Is there something else I need to do?
 
 Thank you,
 Colin
 

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Re: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)

- Original Message -
 From: Colin Ingarfield colin...@gmail.com
 To: users@tomcat.apache.org
 Sent: Wednesday, March 21, 2012 6:25:54 AM
 Subject: Re: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)

 iirc I copied the version number from the
 tomcat-jdbc.jar/META-INF/MANIFEST.MF file and renamed the jar myself.
 (Looking in the manifest now I see Bundle-Version: 1.1.0.1).  I
 prefer
 to avoid unversioned jar files in my project as it can cause
 confusion.

 But I don't recall which version of Tomcat 7 I got the jar from.  Is
 the
 best policy to always use the tomcat-jdbc jar from the latest version
 of
 Tomcat 7?

yes, as of now it is. As tomcat-jdbc got included in Tomcat 7 it gets published 
as an individual JAR in the Maven repo as well.

Filip

 Thank you,
 Colin

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Re: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)

Got it, thank you.
The other way this can happen is if the application checks out a connection and 
then never returns it, and expects it to be used.
For this you will want to enable 

removeAbandonedTimeout=60
removeAbandoned=true
logAbandoned=true

this should tell you pretty quickly if you got a component that is hogging the 
connection. So test that first. Now if that is the case, there is a way to fix 
that:

1. remove the above settings
2. compile and configure the interceptor described in:
   https://issues.apache.org/bugzilla/show_bug.cgi?id=52024
In this interceptor, when a failure occurs, it automatically reconnects and 
retries the operation. And that is the only way to get around the problem 
(assuming my assumption is correct)


Filip
- Original Message -
 From: Colin Ingarfield colin...@gmail.com
 To: users@tomcat.apache.org
 Sent: Wednesday, March 21, 2012 9:30:46 AM
 Subject: Re: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)
 
 My configuration:
 
Resource auth=Container
 name=jdbc/cdb.mysql
 defaultAutoCommit=false
 driverClassName=com.mysql.jdbc.Driver
 factory=org.apache.tomcat.jdbc.pool.DataSourceFactory
 url=jdbc:mysql://X.com/_dev?sessionVariables=TRANSACTION
 ISOLATION LEVEL READ COMMITTED
 username=X
 password=X
 
 maxActive=100
 maxIdle=100
 minIdle=10
 initialSize=10
 maxWait=1
 testOnBorrow=true
 type=javax.sql.DataSource
 validationQuery=SELECT 1/
 
 
 I have testOnBorrow and validationQuery set as you suggest, so I do
 not
 think that is the issue.
 
 Thanks,
 Colin
 

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Re: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)

it will take a while to see the abandoned log. I'm not implying every request 
hogs the connection, but that you could have ended up in a scenario where that 
did happen.
otherwise, you would have not seen the problem for 2 hours and to go away when 
the system was restarted, as it should have failed on validation.

You can enable validation every single time by doing 

validationInterval=1

after that, if it was me, I'd start pulling in something like Wireshark to see 
what is going on

Filip

- Original Message -
 From: Colin Ingarfield colin...@gmail.com
 To: Tomcat Users List users@tomcat.apache.org
 Sent: Wednesday, March 21, 2012 10:11:43 AM
 Subject: Re: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)
 
 I added the 3 abandoned settings but I don't see any indication in
 the
 tomcat log that connections are being abandoned.  I also made the max
 pool
 size pretty small.. my application would have failed quickly if all
 the
 connections we're being incorrectly held up.
 
 Anything else I can try?  Thanks again for your  help.
 
 -- Colin
 
 On Wed, Mar 21, 2012 at 10:41 AM, Filip Hanik Mailing Lists 
 devli...@hanik.com wrote:
 
  Got it, thank you.
  The other way this can happen is if the application checks out a
  connection and then never returns it, and expects it to be used.
  For this you will want to enable
 
  removeAbandonedTimeout=60
  removeAbandoned=true
  logAbandoned=true
 
  this should tell you pretty quickly if you got a component that is
  hogging
  the connection. So test that first. Now if that is the case, there
  is a way
  to fix that:
 
  1. remove the above settings
  2. compile and configure the interceptor described in:
https://issues.apache.org/bugzilla/show_bug.cgi?id=52024
  In this interceptor, when a failure occurs, it automatically
  reconnects
  and retries the operation. And that is the only way to get around
  the
  problem (assuming my assumption is correct)
 
 
  Filip
  - Original Message -
   From: Colin Ingarfield colin...@gmail.com
   To: users@tomcat.apache.org
   Sent: Wednesday, March 21, 2012 9:30:46 AM
   Subject: Re: how to enable debug logging for Tomcat jdbc pool
   (Tomcat
  6.0.32)
  
   My configuration:
  
  Resource auth=Container
   name=jdbc/cdb.mysql
   defaultAutoCommit=false
   driverClassName=com.mysql.jdbc.Driver
   factory=org.apache.tomcat.jdbc.pool.DataSourceFactory
   url=jdbc:mysql://X.com/_dev?sessionVariables=TRANSACTION
   ISOLATION LEVEL READ COMMITTED
   username=X
   password=X
  
   maxActive=100
   maxIdle=100
   minIdle=10
   initialSize=10
   maxWait=1
   testOnBorrow=true
   type=javax.sql.DataSource
   validationQuery=SELECT 1/
  
  
   I have testOnBorrow and validationQuery set as you suggest, so I
   do
   not
   think that is the issue.
  
   Thanks,
   Colin
  
 
  -
  To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
  For additional commands, e-mail: users-h...@tomcat.apache.org
 
 
 

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RE: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)

2012-03-20 Thread Filip Hanik (mailing lists)

Define connection timeouts so that we can understand your problem to
suggest for how to trace it down.
What are you trying to search for. Errors would be logged as errors, and
should show up with the standard configuration

Filip

 -Original Message-
 From: Colin Ingarfield [mailto:colin...@gmail.com]
 Sent: Monday, March 19, 2012 1:51 PM
 To: users@tomcat.apache.org
 Subject: how to enable debug logging for Tomcat jdbc pool (Tomcat 6.0.32)
 
 Hello,
 
 I'm using the new Tomcat jdbc pool (1.1.0.1) with Tomcat 6.0.32, Ubuntu
 x86_64.  I would like to increase the logging from the pool to try and
 chase down connection timeouts.
 
 I added the following line to $CATALINA_BASE/conf/logging.properties:
 org.apache.tomcat.jdbc.pool.level=FINE
 
 (the rest of the logging.properties file is unchanged.)
 
 But I don't see any pool debug logging output on the console.  I thought
 this setting would enable debug logging for all classes in that package.
 Is there something else I need to do?
 
 Thank you,
 Colin


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RE: Need a sample server.xml file for the session replication using backup manager

2012-03-20 Thread Filip Hanik (mailing lists)

Take the sample from the tomcat site, change DeltaManager to BackupManager

 -Original Message-
 From: Dhaval Jaiswal [mailto:dhaval.jais...@via.com]
 Sent: Monday, March 19, 2012 4:32 AM
 To: users@tomcat.apache.org
 Cc: Shrinivas Devarkonda
 Subject: Need a sample server.xml file for the session replication using
 backup manager

 Hi List,

 I am planning to implement  the session replication using backup manager
 mode.

 We have 10 tomcats. we need in place where one node can work as a backup
 manager; on which we want to send all jsessions information from rest of
 the tomcats.

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Re: Configure SSL under Tomcat 7

2012-03-19 Thread Filip Hanik Mailing Lists

ok, keystore is for Java connectors. but you have chosen to use the APR 
connector. so you should use the certificate format that is used for that 
connector

- Original Message -
 From: ayouB __ ayb-2...@hotmail.fr
 To: users@tomcat.apache.org
 Sent: Monday, March 19, 2012 11:00:59 AM
 Subject: RE: Configure SSL under Tomcat 7
 
 
 Still not working !!
 I downloaded Apache Tomcat 7.0.26 (again), i added the tcnative-1.dll
 in my : apache-tomcat-7.0.26\bin, i created a keystore file with
 this command :
 keytool -genkeypair -alias tomcat -keyalg RSA -keystore C:\mykeystore
 i put the file named mykeystore in my : apache-tomcat-7.0.26\conf
 i modified my Tomcat's server.xml to be able to support HTTPS as it
 has been said in apache tomcat's documentation from the official
 website and as it had been said in the e-book : Apache Tomcat 7
 (Aleska Vukotic and James Goodwill) in the chapter 7 : Securing
 tomcat with SSL ! (Step by step)
 Here's my conf/server.xml :
 ===server.xml=
 ?xml version='1.0' encoding='utf-8'?
 !--
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed
   with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version
   2.0
   (the License); you may not use this file except in compliance
   with
   the License.  You may obtain a copy of the License at
   http://www.apache.org/licenses/LICENSE-2.0
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an AS IS BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
   implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 --
 !-- Note:  A Server is not itself a Container, so you may not
  define subcomponents such as Valves at this level.
  Documentation at /docs/config/server.html
  --
 Server port=8005 shutdown=SHUTDOWN
   !-- Security listener. Documentation at
   /docs/config/listeners.html
   Listener className=org.apache.catalina.security.SecurityListener
   /
   --
   !--APR library loader. Documentation at /docs/apr.html --
   Listener className=org.apache.catalina.core.AprLifecycleListener
   SSLEngine=on /
   !--Initialize Jasper prior to webapps are loaded. Documentation at
   /docs/jasper-howto.html --
   Listener className=org.apache.catalina.core.JasperListener /
   !-- Prevent memory leaks due to use of particular java/javax
   APIs--
   Listener
   className=org.apache.catalina.core.JreMemoryLeakPreventionListener
   /
   Listener
   className=org.apache.catalina.mbeans.GlobalResourcesLifecycleListener
   /
   Listener
   className=org.apache.catalina.core.ThreadLocalLeakPreventionListener
   /
   !-- Global JNDI resources
Documentation at /docs/jndi-resources-howto.html
   --
   GlobalNamingResources
 !-- Editable user database that can also be used by
  UserDatabaseRealm to authenticate users
 --
 Resource name=UserDatabase auth=Container
   type=org.apache.catalina.UserDatabase
   description=User database that can be updated and
   saved
   factory=org.apache.catalina.users.MemoryUserDatabaseFactory
   pathname=conf/tomcat-users.xml /
   /GlobalNamingResources
   !-- A Service is a collection of one or more Connectors that
   share
a single Container Note:  A Service is not itself a
Container,
so you may not define subcomponents such as Valves at this
level.
Documentation at /docs/config/service.html
--
   Service name=Catalina
 !--The connectors can use a shared executor, you can define one
 or more named thread pools--
 !--
 Executor name=tomcatThreadPool namePrefix=catalina-exec-
 maxThreads=150 minSpareThreads=4/
 --
 
 !-- A Connector represents an endpoint by which requests are
 received
  and responses are returned. Documentation at :
  Java HTTP Connector: /docs/config/http.html (blocking 
  non-blocking)
  Java AJP  Connector: /docs/config/ajp.html
  APR (HTTP/AJP) Connector: /docs/apr.html
  Define a non-SSL HTTP/1.1 Connector on port 8080
 --
 Connector port=8080 protocol=HTTP/1.1
connectionTimeout=2
redirectPort=8443 /
 !-- A Connector using the shared thread pool--
 !--
 Connector executor=tomcatThreadPool
port=8080 protocol=HTTP/1.1
connectionTimeout=2
redirectPort=8443 /
 --
 !-- Define a SSL HTTP/1.1 Connector on port 8443
  This connector uses the JSSE configuration, when using APR,
  the
  connector should be using the OpenSSL style configuration

Re: Configure SSL under Tomcat 7

2012-03-16 Thread Filip Hanik Mailing Lists

set SSLEnabled=true in your Connector element, that turns on SSL.
After that, if you don't have keystoreFile or keystorePass set, it will throw 
errors

Filip

- Original Message -
 From: ayouB __ ayb-2...@hotmail.fr
 To: users@tomcat.apache.org
 Sent: Friday, March 16, 2012 9:58:49 AM
 Subject: Configure SSL under Tomcat 7

 Hi every one,

 I'm ayoub and i'm a new member of this mailing list :)
 Well, i want to configure SSL under Tomcat 7 so i have followed steps
 said in http://tomcat.apache.org/tomcat-7.0-doc/ssl-howto.html, but
 when i deploy my project in tomcat server i don't get :
 https://loclhost:8080/ i still working with the native http !! what
 should i do, what configuration should i make on my server.xml file.
 PS : I want to use the APR implementation not the JSSE one, and BTW
 the : SSLCertificateFile  SSLCertificateKeyFile don't exist in the
 connector ... / element (usinf eclipse Ctrl+space auto-complish)
 !!

 Thanks.

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Re: Configure SSL under Tomcat 7

2012-03-16 Thread Filip Hanik Mailing Lists

ok, check your logs for errors. You must have APR libraries with OpenSSL 
installed, and you must specify the 
SSLCertificateFile  SSLCertificateKeyFile attributes.
All errors will be in the logs

Filip

- Original Message -
 From: ayouB __ ayb-2...@hotmail.fr
 To: users@tomcat.apache.org
 Sent: Friday, March 16, 2012 10:52:13 AM
 Subject: RE: Configure SSL under Tomcat 7
 
 
 Sorry :D i want say server.xml
  
 
  From: ayb-2...@hotmail.fr
  To: users@tomcat.apache.org
  Subject: RE: Configure SSL under Tomcat 7
  Date: Fri, 16 Mar 2012 16:50:14 +
  
  
  Here's My service.xml file :
  ?xml version='1.0' encoding='utf-8'?
  !--
  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements. See the NOTICE file distributed
  with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version
  2.0
  (the License); you may not use this file except in compliance
  with
  the License. You may obtain a copy of the License at
  
  http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an AS IS BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  --
  !-- Note: A Server is not itself a Container, so you may not
  define subcomponents such as Valves at this level.
  Documentation at /docs/config/server.html
  --
  Server port=8005 shutdown=SHUTDOWN
  !-- Security listener. Documentation at
  /docs/config/listeners.html
  Listener className=org.apache.catalina.security.SecurityListener
  /
  --
  !--APR library loader. Documentation at /docs/apr.html --
  Listener className=org.apache.catalina.core.AprLifecycleListener
  SSLEngine=on /
  !--Initialize Jasper prior to webapps are loaded. Documentation at
  /docs/jasper-howto.html --
  Listener className=org.apache.catalina.core.JasperListener /
  !-- Prevent memory leaks due to use of particular java/javax
  APIs--
  Listener
  className=org.apache.catalina.core.JreMemoryLeakPreventionListener
  /
  Listener
  className=org.apache.catalina.mbeans.GlobalResourcesLifecycleListener
  /
  Listener
  className=org.apache.catalina.core.ThreadLocalLeakPreventionListener
  /
  
  !-- Global JNDI resources
  Documentation at /docs/jndi-resources-howto.html
  --
  GlobalNamingResources
  !-- Editable user database that can also be used by
  UserDatabaseRealm to authenticate users
  --
  Resource name=UserDatabase auth=Container
  type=org.apache.catalina.UserDatabase
  description=User database that can be updated and saved
  factory=org.apache.catalina.users.MemoryUserDatabaseFactory
  pathname=conf/tomcat-users.xml /
  /GlobalNamingResources
  
  !-- A Service is a collection of one or more Connectors that
  share
  a single Container Note: A Service is not itself a Container,
  so you may not define subcomponents such as Valves at this level.
  Documentation at /docs/config/service.html
  --
  Service name=Catalina
  
  !--The connectors can use a shared executor, you can define one or
  more named thread pools--
  !--
  Executor name=tomcatThreadPool namePrefix=catalina-exec-
  maxThreads=150 minSpareThreads=4/
  --
  
  
  !-- A Connector represents an endpoint by which requests are
  received
  and responses are returned. Documentation at :
  Java HTTP Connector: /docs/config/http.html (blocking 
  non-blocking)
  Java AJP Connector: /docs/config/ajp.html
  APR (HTTP/AJP) Connector: /docs/apr.html
  Define a non-SSL HTTP/1.1 Connector on port 8080
  --
  !--
  Connector port=8080
  protocol=org.apache.coyote.http11.Http11AprProtocol
  connectionTimeout=2
  redirectPort=8080 /
  --
  !-- A Connector using the shared thread pool--
  !--
  Connector executor=tomcatThreadPool
  port=8080 protocol=HTTP/1.1
  connectionTimeout=2
  redirectPort=8443 /
  --
  !-- Define a SSL HTTP/1.1 Connector on port 8443
  This connector uses the JSSE configuration, when using APR, the
  connector should be using the OpenSSL style configuration
  described in the APR documentation --
  
  Connector port=8080
  protocol=org.apache.coyote.http11.Http11AprProtocol
  SSLEnabled=true
  maxThreads=150 scheme=https secure=true
  clientAuth=optional sslProtocol=TLS/
  
  
  !-- Define an AJP 1.3 Connector on port 8009 --
  Connector port=8009 protocol=AJP/1.3 redirectPort=8443/
  
  
  !-- An Engine represents the entry point (within Catalina) that
  processes
  every request. The Engine implementation for Tomcat stand alone
  analyzes the HTTP headers included with the request, and passes
  them
  on to the appropriate Host (virtual host).
  Documentation at /docs/config/engine.html --
  
  !-- You should set jvmRoute to support load-balancing via AJP ie :
  Engine name=Catalina defaultHost=localhost jvmRoute=jvm1
  --

RE: Configure SSL under Tomcat 7

2012-03-16 Thread Filip Hanik Mailing Lists

The logs show that you don't have Tcnative installed

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Re: [Tomcat JDBC Pool] Close pooled connections via JMX

2012-03-10 Thread Filip Hanik - Dev Lists


On 3/3/2012 10:50 AM, Brooke Hedrick wrote:

On Mar 3, 2012 11:48 AM, Brooke Hedrickbrooke.t.hedr...@gmail.com
wrote:


On Mar 3, 2012 11:35 AM, Caldarale, Charles R

chuck.caldar...@unisys.com  wrote:

From: Brooke Hedrick [mailto:brooke.t.hedr...@gmail.com]
Subject: Re: [Tomcat JDBC Pool] Close pooled connections via JMX

Do you have testOnBorrow=true and a validationQuery=SELECT 1 FROM
DUAL configured?

This should suffice to ensure each connection is valid before use.

That approach doesn't work when the application uses symlinks to get

to

data on other Oracle servers.

That makes no sense to me; please explain how links in the file system

affect DB connections over the network.

Chuck, I used the wrong word.  I should have said 'database links'.  You

will see things like: select * emp@otherdb.  Where @otherdb is typically an
entry that you would find in a tnsnames.ora.

Before you correct me, yes, I left out the FROM between the * and emp.


still doesn't make sense. if you need another DB validated, use another 
validation query.
sounds like one is creating a problem here rather than detecting one


  - Chuck


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Re: What is the best way to view Tomcat JDBC pool properties in Tomcat 6?

2012-03-10 Thread Filip Hanik - Dev Lists


cast it to java.sql.Connection

On 3/8/2012 4:29 AM, hodgesz wrote:

Yes you are correct we are creating the pool in Spring configuration as it is
more natural for our application, but the only problem we see now is once we
upgraded to 7.0.26 we see the following exception in the logs when viewing
through JMXProxy.  The data is retrieved correctly so the exception is a
little baffling.



http://localhost:8080/manager/jmxproxy/?qry=bean:name=eventingDataSource


OK - Number of results: 1

Name: bean:name=eventingDataSource
modelerType: org.apache.tomcat.jdbc.pool.DataSource
MaxIdle: 100
JdbcInterceptors:
org.apache.tomcat.jdbc.pool.interceptor.ConnectionState;org.apache.tomcat.jdbc.pool.interceptor.StatementFinalizer
DefaultTransactionIsolation: -1
ValidationQuery: SELECT 1 FROM dual
TestOnConnect: false
Password: Password not available as DataSource/JMX operation.
AbandonWhenPercentageFull: 0
TestOnReturn: false
Username: 
NumActive: 0
MinIdle: 10
PoolSize: 4
ValidationInterval: 180
Connection:
ProxyConnection[PooledConnection[oracle.jdbc.driver.T4CConnection@17f8b39]]
NumIdle: 2
AccessToUnderlyingConnectionAllowed: true
Url: jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST =
localhost)(PORT = 1580))(CONNECT_DATA =(SERVER = DEDICATED)( SERVICE_NAME =
anywhere.com )(INSTANCE_NAME = xxx)(SID = xxx)))
Size: 4
Active: 2
AlternateUsernameAllowed: false
TestOnBorrow: true
LoginTimeout: 6
MaxActive: 100
MaxAge: 0
SuspectTimeout: 0
Pool: org.apache.tomcat.jdbc.pool.ConnectionPool@9283bf
NumTestsPerEvictionRun: 0
Name: Tomcat Connection Pool[1-6300663]
MaxWait: 6000
PoolProperties: ConnectionPool[defaultAutoCommit=null; defaultReadOnly=null;
defaultTransactionIsolation=-1; defaultCatalog=null;
driverClassName=oracle.jdbc.driver.OracleDriver; maxActive=100; maxIdle=100;
minIdle=10; initialSize=10; maxWait=6000; testOnBorrow=true;
testOnReturn=false; timeBetweenEvictionRunsMillis=3;
numTestsPerEvictionRun=0; minEvictableIdleTimeMillis=3;
testWhileIdle=false; testOnConnect=false; password=x;
url=jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST =
localhost)(PORT = 1580))(CONNECT_DATA =(SERVER = DEDICATED)( SERVICE_NAME =
anywhere.com )(INSTANCE_NAME = xxx)(SID = xxx))); username=xxx;
validationQuery=SELECT 1 FROM dual; validationInterval=180;
accessToUnderlyingConnectionAllowed=true; removeAbandoned=true;
removeAbandonedTimeout=60; logAbandoned=true; connectionProperties=null;
initSQL=null;
jdbcInterceptors=org.apache.tomcat.jdbc.pool.interceptor.ConnectionState;org.apache.tomcat.jdbc.pool.interceptor.StatementFinalizer;
jmxEnabled=true; fairQueue=false; useEquals=false;
abandonWhenPercentageFull=0;
maxAge=0; useLock=false; dataSource=null; dataSourceJNDI=null;
alternateUsernameAllowed=false;
PoolName: Tomcat Connection Pool[1-6300663]
WaitCount: 0
JmxEnabled: true
TestWhileIdle: false
UseEquals: false
UseLock: false
DriverClassName: oracle.jdbc.driver.OracleDriver
RemoveAbandonedTimeout: 60
DbProperties: {user=, password=}
Idle: 2
LogAbandoned: true
FairQueue: false
PoolSweeperEnabled: true
ConnectionAsync:
org.apache.tomcat.jdbc.pool.ConnectionPool$ConnectionFuture@e9c2d3
JdbcInterceptorsAsArray:
Array[org.apache.tomcat.jdbc.pool.PoolProperties$InterceptorDefinition] of
length 2

org.apache.tomcat.jdbc.pool.PoolProperties$InterceptorDefinition@125f027

org.apache.tomcat.jdbc.pool.PoolProperties$InterceptorDefinition@1b99628
RemoveAbandoned: true
TimeBetweenEvictionRunsMillis: 3
MinEvictableIdleTimeMillis: 3
InitialSize: 10



Mar 6, 2012 9:18:20 AM org.apache.catalina.mbeans.MBeanDumper dumpBeans
SEVERE: Error getting attribute bean:name=eventingDataSource
PooledConnection
javax.management.MBeanException: RuntimeException thrown in
RequiredModelMBean
while trying to invoke operation getPooledConnection
 at
javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1091)
 at
javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:955)
 at
org.springframework.jmx.export.SpringModelMBean.invoke(SpringModelMBean.java:90)
 at
javax.management.modelmbean.RequiredModelMBean.getAttribute(RequiredModelMBean.java:1358)
 at
org.springframework.jmx.export.SpringModelMBean.getAttribute(SpringModelMBean.java:109)
 at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:666)
 at
com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:638)
 at
org.apache.catalina.mbeans.MBeanDumper.dumpBeans(MBeanDumper.java:82)
 at
org.apache.catalina.manager.JMXProxyServlet.listBeans(JMXProxyServlet.java:172)
 at
org.apache.catalina.manager.JMXProxyServlet.doGet(JMXProxyServlet.java:121)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
 at

Re: Using Tomcat7 JDBC Connection Pool

2012-02-13 Thread Filip Hanik - Dev Lists


Here is an example

String query = BEGIN DBMS_LOCK.sleep(seconds = 5.01); END;


It is pretty obvious that you can't do SELECT 1; SELECT 1; is this would 
result in TWO result sets.
But you can create a block and execute any number of instructions

The above example executes a stored procedure.
Filip

On 2/9/2012 9:48 AM, Pid wrote:

On 09/02/2012 16:21, Amit wrote:

Any thoughts on the first point about executing multiple SQL queries on 
physical connection creation?

I have no idea if it'll work, but I'd try:

  SELECT 1; SELECT 1;

If you are controlling the pool (and you are) by passing in
username/password parameters each time, then you could do it as an extra
transaction thereafter.


p


On 09-Feb-2012, at 7:05 PM, Pidp...@pidster.com  wrote:


On 09/02/2012 12:56, amit shah wrote:

One more comment below about oracle UCP.

snip


The pool returns members at random, so how would you know which cached
credentials you were getting?

The credentials which are passed to the getConnection(String username,

String password) method. When we configure the same pool to be used for
multiple schema's the pool will *not *be configured with default

username

password.

OK, so you create a bunch of connections with various credentials, you
want to cache those connections and only return them if the creds match
for the new request?

So you're basically creating an uncontrolled pool per cred pair, inside
the outer pool which is controlled?


Yes right.

So why not create multiple controlled pools  not run into availability
problems?


snip


What overhead?


The application server and database server resources (memory, cpu etc) for
keeping the connections open?

That's a total connection count dependent metric.

So the overhead is virtually the same regardless of whether you have 5
pools or 1, if you have the same total number of connections.



For e.g. If we have 5 tenants with 5

pools configured with 10 min pool size, we would have min 50 connections
always open to the database server. This count would be for each
application server. If we had the same pool for all 5 tenants, there

would

be just 10 connections open per application server.

There's a flaw in your logic.

In your example there may be zero connections open for a given tenant
because they use a shared pool.

So you might has well have separate pools with the minimum set to 2 and
still have more connections guaranteed per tenant, and the 10 you were
aiming for.

Worse, if you hit your max with other tenants, a remaining tenant might
not be able to get a connection at all, thus failing to address one of
the key requirements in a multi-tenant system - guaranteed availability.

Probably true when all the tenants are actively used. As I said, there is

always a flexibility in the configuration to use a separate pool for a
particular tenant.

That should be the default IMO.  You're asking for trouble otherwise.



Also the application can always provide a configuration flexibility to
allow a tenant to use a separate pool instead of sharing it with other
tenants (like I said above).

This flexibility is provided by the Oracle Universal Connection
Poolhttp://docs.oracle.com/cd/E11882_01/java.112/e12265/toc.htm

So if that's a better fit for your requirement, why not use it?



It provides the feature I mentioned about by has lock contention issues.
Tomcat 7 jdbc pool seems to be better and hence I was trying it out.

!

snip


If you are programmatically registering the pool, can you not just
register it with the MBean server yourself?

Ok I will try this and provide an update.

Cool.


p




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Re: Apache tribes deserialization issues

2012-01-09 Thread Filip Hanik - Dev Lists


your workaround is valid
I would not expect thread context class loader to work, as the thread for 
deserializing is the thread from the tribes TCP thread pool


On 12/29/2011 5:06 AM, Madhav Bhargava wrote:

Hi All,

We are using Apache tribes library for presence and inter node
communication within an OSGi runtime environment. We have a central node
(say node A) receiving messages from other nodes ( say node B, C). The
message passed is a custom class which is present as part of the API
defined in a separate OSGi bundle. This custom class is Serializable.

When a send method is invoked on the GroupChannel to send the custom class
message to node A then it throws an exception with the following stack
trace:

java.lang.ClassNotFoundException: com.sap.nm.NodeSnapshot
at
org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
at
org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
at
org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
at
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at java.io.ObjectInputStream.resolveClass(Unknown Source)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at
org.apache.catalina.tribes.io.XByteBuffer.deserialize(XByteBuffer.java:568)
at
org.apache.catalina.tribes.io.XByteBuffer.deserialize(XByteBuffer.java:554)
at
org.apache.catalina.tribes.group.GroupChannel.messageReceived(GroupChannel.java:261)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(ChannelInterceptorBase.java:84)
at
org.apache.catalina.tribes.group.ChannelInterceptorBase.messageReceived(ChannelInterceptorBase.java:84)
at
org.apache.catalina.tribes.group.ChannelCoordinator.messageReceived(ChannelCoordinator.java:253)
at
org.apache.catalina.tribes.transport.ReceiverBase.messageDataReceived(ReceiverBase.java:287)
at
org.apache.catalina.tribes.transport.nio.NioReplicationTask.drainChannel(NioReplicationTask.java:212)
at
org.apache.catalina.tribes.transport.nio.NioReplicationTask.run(NioReplicationTask.java:101)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

The problem is that OSGi has a totally different class loading mechanism
that what is followed in java/j2ee applications. We looked at the tribes
source code and found out that following piece of code is the culprit:

Class: XByteBuffer.java

public static Serializable deserialize(byte[] data, int offset, int length)
 throws IOException, ClassNotFoundException, ClassCastException {
 return deserialize(data,offset,length,null);
 }

Instead of passing null to the ClassLoader[] (last argument), Thread
context classloader should have been passed. What is happening is that the
tribes is trying to load the class with the tribes class loader and not
using the current thread classloader and is therefore not able to find the
custom class.

A workaround that we have adopted now is to use byte[] and set
Channel.SEND_OPTIONS_BYTE_MESSAGE option while sending the message. We then
explicitly recreate the object in the ChannelListener in bundle A from the
bytes message.  This is possible because in GroupChannel byte messages are
not deserialized using XByteBuffer.

It will great if anyone can investigate this issue.

Best Regards,
Madhav




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Re: Session replication fails with Member send is failing

2011-12-08 Thread Filip Hanik - Dev Lists


On 12/7/2011 9:04 AM, Jürgen Link wrote:

Caused by: org.apache.catalina.tribes.RemoteProcessException: Received a
failedack:org.apache.catalina.tribes.transport.Constants.FAIL_ACK_DATA


sure thing, this is actually telling the sender that an exception happened on the 
receiver end.
Take a look at the logs for tcp://{10, 1, 3, 181}:5000 and it should contain 
the information in there

Filip

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Re: Antw.: how to properly configure tomcat 7 cluster with BackupManager

2011-12-01 Thread Filip Hanik - Dev Lists


http://www.datadisk.co.uk/html_docs/java_app/tomcat6/tomcat6_clustering.htm
http://tomcat.apache.org/tomcat-6.0-doc/cluster-howto.html
http://tomcat.apache.org/tomcat-6.0-doc/tribes/introduction.html

On 10/27/2011 9:29 AM, juergen.l...@gmail.com wrote:

Hi Mark,
thanks a lot for this clarification!
Is there any reference you recommend for learning about tomcat clustering 
(apart from the source code)?

Cheers
Jürgen




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Re: Server crash for memory limit

2011-11-29 Thread Filip Hanik Mailing Lists

that's a restriction of 32 bit systems. upgrade to 64 bit for more memory 
requirements
depending on the kernel, you can go to 3.7gb for a 32 bit system
- Original Message -
From: hi tanin hi_ta...@yahoo.com
To: users@tomcat.apache.org
Sent: Tuesday, November 29, 2011 8:05:51 AM
Subject: Server crash for memory limit

Hi,
I am using Tomcat 5.0.27. I cannot use more then 2GB for Tomcat 5.0.27. Our OS 
is 32-bit Linux. Can ane one tell me why this happening? And is there any way 
to get rid of this problem and use lot of memory?

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Re: Securing Tomcat cluster communication

2011-11-23 Thread Filip Hanik - Dev Lists


On 10/6/2011 8:31 AM, Afkham Azeez wrote:

I had a look at the Tribes code. Can somebody please explain how
Channel.SEND_OPTIONS_SECURE works?

not yet implemented :(


 From the JavaDoc: SEND_OPTIONS_SECURE - Message is sent over an encrypted
channel

How is this encrypted channel setup? How do we define the keys/keystores
etc?


On Thu, Oct 6, 2011 at 7:47 PM, Afkham Azeezafk...@gmail.com  wrote:


Hi folks,
Is there a way to do authentication in Tribes when new members try to join
a cluster so that unauthorized nodes cannot join in? Also, when clustering
messages are sent back  forth, how do we ensure security?

Thanks
Azeez







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Re: Securing Tomcat cluster communication

2011-11-23 Thread Filip Hanik - Dev Lists


Yes, that way you could encrypt your data packets and not worry about the wire 
protocol.
the placement of the interceptor will be important, so that you don't encrypt 
packets you don't need to (like ping and failure detection)

Filip

On 11/23/2011 10:53 AM, Afkham Azeez wrote:

On Wed, Nov 23, 2011 at 8:48 PM, Filip Hanik - Dev Listsdevli...@hanik.com

wrote:
On 10/6/2011 8:31 AM, Afkham Azeez wrote:


I had a look at the Tribes code. Can somebody please explain how
Channel.SEND_OPTIONS_SECURE works?


not yet implemented :(


What is the proper way of implementing this if I was to do it? Implement an
interceptor which will handle encryption/decryption? This is for Axis2
clustering which uses Tribes, so we could use the Tribes API.




 From the JavaDoc: SEND_OPTIONS_SECURE - Message is sent over an

encrypted
channel

How is this encrypted channel setup? How do we define the keys/keystores
etc?


On Thu, Oct 6, 2011 at 7:47 PM, Afkham Azeezafk...@gmail.com   wrote:

  Hi folks,

Is there a way to do authentication in Tribes when new members try to
join
a cluster so that unauthorized nodes cannot join in? Also, when
clustering
messages are sent back   forth, how do we ensure security?

Thanks
Azeez




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Re: Cluster - No faulty members identified

2011-11-18 Thread Filip Hanik - Dev Lists


remove bind=172.30.5.77

Filip
On 11/4/2011 6:41 AM, Alexander Diedler wrote:


Hello @ll,

I have two Tomcat instances (6.0.32 x64 on Windows) on the same server. Both servers make their own clustering with the other physical 
node independent from each other on the same machine.


I get during start of the 2^nd Tomcat on the same node the following error:

INFO: Receiver Server Socket bound to:/172.30.5.77:4001

04.11.2011 13:32:37 org.apache.catalina.tribes.membership.McastServiceImpl 
setupSocket

INFO: Attempting to bind the multicast socket to /228.0.0.4:45574

04.11.2011 13:32:37 org.apache.catalina.tribes.membership.McastServiceImpl 
setupSocket

INFO: Binding to multicast address, failed. Binding to port only.

04.11.2011 13:32:37 org.apache.catalina.tribes.membership.McastServiceImpl 
setupSocket

INFO: Setting multihome multicast interface to:/178.30.5.77

04.11.2011 13:32:37 org.apache.catalina.ha.tcp.SimpleTcpCluster start

SCHWERWIEGEND: Unable to start cluster.

org.apache.catalina.tribes.ChannelException: java.net.SocketException: The requested address is not valid in its context; No faulty 
members identified.


What could it be??

Here server.xml from the first tomcat:

[…]

Engine name=Catalina defaultHost=extranet jvmRoute=worker2

Cluster className=org.apache.catalina.ha.tcp.SimpleTcpCluster

channelSendOptions=8

Manager className=org.apache.catalina.ha.session.DeltaManager

expireSessionsOnShutdown=false

notifyListenersOnReplication=true/

Channel className=org.apache.catalina.tribes.group.GroupChannel

Membership className=org.apache.catalina.tribes.membership.McastService

address=228.0.0.4

bind=172.30.5.77

port=45564

frequency=500

dropTime=3000/

Receiver className=org.apache.catalina.tribes.transport.nio.NioReceiver

address=auto

port=4000

autoBind=100

selectorTimeout=5000

maxThreads=6/

Sender className=org.apache.catalina.tribes.transport.ReplicationTransmitter

Transport 
className=org.apache.catalina.tribes.transport.nio.PooledParallelSender/

/Sender

Interceptor 
className=org.apache.catalina.tribes.group.interceptors.TcpFailureDetector/

Interceptor 
className=org.apache.catalina.tribes.group.interceptors.MessageDispatch15Interceptor/

/Channel

Valve className=org.apache.catalina.ha.tcp.ReplicationValve

filter=/

Valve className=org.apache.catalina.ha.session.JvmRouteBinderValve/

ClusterListener 
className=org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener/

ClusterListener 
className=org.apache.catalina.ha.session.ClusterSessionListener/

/Cluster

[…]

And here the second tomcat:

[…]

Engine name=Catalina defaultHost=localhost jvmRoute=worker7

Cluster className=org.apache.catalina.ha.tcp.SimpleTcpCluster

channelSendOptions=8

Manager className=org.apache.catalina.ha.session.DeltaManager

expireSessionsOnShutdown=false

notifyListenersOnReplication=true/

Channel className=org.apache.catalina.tribes.group.GroupChannel

Membership className=org.apache.catalina.tribes.membership.McastService

address=228.0.0.4

bind=178.30.5.77

port=45574

frequency=500

dropTime=3000/

Receiver className=org.apache.catalina.tribes.transport.nio.NioReceiver

address=auto

port=4000

autoBind=100

selectorTimeout=5000

maxThreads=6/

Sender className=org.apache.catalina.tribes.transport.ReplicationTransmitter

Transport 
className=org.apache.catalina.tribes.transport.nio.PooledParallelSender/

/Sender

Interceptor 
className=org.apache.catalina.tribes.group.interceptors.TcpFailureDetector/

Interceptor 
className=org.apache.catalina.tribes.group.interceptors.MessageDispatch15Interceptor/

/Channel

Valve className=org.apache.catalina.ha.tcp.ReplicationValve

filter=/

Valve className=org.apache.catalina.ha.session.JvmRouteBinderValve/

ClusterListener 
className=org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener/

ClusterListener 
className=org.apache.catalina.ha.session.ClusterSessionListener/

/Cluster

[…]




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Re: Problem with threads in stage Service (Tomcat 7.0.14)

2011-07-28 Thread Filip Hanik - Dev Lists

most likely you have GC running all the time

http-bio-80-exec-107 daemon prio=10 tid=0x2aaab31ea000 nid=0x47b2
runnable [0x436ab000]
java.lang.Thread.State: RUNNABLE
at java.util.HashMap.get(HashMap.java:303)
at sae.HTMLEncoder.encode(HTMLEncoder.java:46)

this should not be a stage where you're stuck, unless you have a loop problem.

On 7/28/2011 9:09 AM, Alejandro Henao González wrote:

Good day.

I have the following problem with my tomcat.

Sometimes, some threads are keep in service stage for a long time (really never exit from this stage), this causes that tomcat uses a
hight percentage of the CPU (100 % of 2 or 3 cores) thus the webapp executes very slow.

I have a Tomcat 7.0.14 in a Redhat RHLE 5.5.

The partial solution is restart the service, but this is not a practical solution(because is a 24/7 server). is posible config a timeout
for threads in service stage, or any solution??

Thanks. Sorry for the redaction. Attached an image with the tomcat manager
status and the CPU consuming.

Cordial saludo.

Tengo el siguiente problema con mi tomcat.
En algunas ocasiones, algunos hilos se quedan en la etapa de servicio por demasiado tiempo (de hecho nunca salen de esta etapa), esto
causa que el tomcat use un alto porcenta de la CPU (el 100 % de 2 o 3 núcluos incluso hasta los 8 a veces), y en consecuencia mi
aplicación web trabaja demasiado lento.

Tengo el Tomcat 7.0.14 en Redhat RHLE 5.5

La solución temporal que tengo es reiniciar el servicio, sin embargo esta no es una solución práctica (pues debe ser un servidor 24/7). Es
posible configurar algún timeout para hilos en la etapa de servicio, o alguna solución alternativa para este problema?

Muchas Gracias. Adjunto una imagen del reporte del estado por el tomcat
Manager, y el uso de la CPU

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Re: Problem with threads in stage Service (Tomcat 7.0.14)

2011-07-28 Thread Filip Hanik - Dev Lists


that's an academic exercise for you, in the meantime, add in this option to 
your startup options
-XX:-DisableExplicitGC

Filip

On 7/28/2011 1:07 PM, Alejandro Henao González wrote:

I dont believe that have GC running all the time, but the GC is called in the 
above line to HTMLEncoder.encode. as follows.



System.gc();


resultado = htmlEncoder.encode(resultado);
response.reset();


may be this the problem? why?


Thanks.

- Mensaje original -

De: Filip Hanik - Dev Listsdevli...@hanik.com
Para: Tomcat Users Listusers@tomcat.apache.org
Enviados: Jueves, 28 de Julio 2011 12:35:56
Asunto: Re: Problem with threads in stage Service (Tomcat 7.0.14)

most likely you have GC running all the time

http-bio-80-exec-107 daemon prio=10 tid=0x2aaab31ea000 nid=0x47b2 
runnable [0x436ab000]
java.lang.Thread.State: RUNNABLE
at java.util.HashMap.get(HashMap.java:303)
at sae.HTMLEncoder.encode(HTMLEncoder.java:46)

this should not be a stage where you're stuck, unless you have a loop problem.





On 7/28/2011 9:09 AM, Alejandro Henao González wrote:

Good day.

I have the following problem with my tomcat.

Sometimes, some threads are keep in service stage for a long time (really never 
exit from this stage), this causes that tomcat uses a
hight percentage of the CPU (100 % of 2 or 3 cores) thus the webapp executes 
very slow.

I have a Tomcat 7.0.14 in a Redhat RHLE 5.5.

The partial solution is restart the service, but this is not a practical 
solution(because is a 24/7 server). is posible config a timeout
for threads in service stage, or any solution??

Thanks. Sorry for the redaction. Attached an image with the tomcat manager 
status and the CPU consuming.




Cordial saludo.

Tengo el siguiente problema con mi tomcat.
En algunas ocasiones, algunos hilos se quedan en la etapa de servicio por 
demasiado tiempo (de hecho nunca salen de esta etapa), esto
causa que el tomcat use un alto porcenta de la CPU (el 100 % de 2 o 3 núcluos 
incluso hasta los 8 a veces), y en consecuencia mi
aplicación web trabaja demasiado lento.

Tengo el Tomcat 7.0.14 en Redhat RHLE 5.5

La solución temporal que tengo es reiniciar el servicio, sin embargo esta no es 
una solución práctica (pues debe ser un servidor 24/7). Es
posible configurar algún timeout para hilos en la etapa de servicio, o alguna 
solución alternativa para este problema?

Muchas Gracias. Adjunto una imagen del reporte del estado por el tomcat 
Manager, y el uso de la CPU


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Re: Comet over HTTPS: END event recieved immeidately for the first few times

2011-07-14 Thread Filip Hanik - Dev Lists


why dont you
1. package up a sample application and configuration
2. open a bugzilla issue
3. https://issues.apache.org/bugzilla/enter_bug.cgi

that way we can take a look ait it.

Filip


On 7/13/2011 2:54 PM, Sudeep Pradhan wrote:

Hi Filip,

Thanks for the reply.

I don't think that I am using BIO connector for SSL. I don't see any such 
option in the server.xml. The connector is as follows:

Connector
protocol=org.apache.coyote.http11.Http11NioProtocol
port=8443 minSpareThreads=5 maxSpareThreads=75
enableLookups=true disableUploadTimeout=true
   acceptCount=100  maxThreads=200
scheme=https secure=true SSLEnabled=true
keystoreFile=/path/to/file/keystore
keystorePass=**
clientAuth=false sslProtocol=TLS/

Also, It does *work sometimes*. I get a proper streaming output of the weather 
feeds when it works.

Hope this helps you understand the scenario better.

Thanks,
Sudeep



-Original Message-
From: Filip Hanik - Dev Lists [mailto:devli...@hanik.com]
Sent: Wednesday, July 13, 2011 1:43 PM
To: Tomcat Users List
Subject: Re: Comet over HTTPS: END event recieved immeidately for the first few 
times

is it possible that when you turn on SSL, you are using the regular BIO 
connector when you use SSL and Comet is not supported by that connector.
best
Filip

On 7/11/2011 11:05 AM, Sudeep Pradhan wrote:

Hi Filip,

I have tried the app with tomcat 6.0.32 and 7.0.16, and the result is the same. 
I am not able to get it working with https. Http works just fine.

The use case I am trying to address is that, I want to send 
notifications/events from a webapp to another webapp asynchronously. The 2 
webapps communicate using REST call for other things. I want to have the same 
model for notifications. The client webapp will send a Https GET request and 
the server webapp will push the notifications asynchronously as a response. The 
client can be anything not just a webapp, I will be using curl as the client 
for testing.

Please let me know if you want to know more.

Thanks,
Sudeep

-Original Message-
From: Filip Hanik - Dev Lists [mailto:devli...@hanik.com]
Sent: Sunday, July 10, 2011 8:12 PM
To: Tomcat Users List
Subject: Re: Comet over HTTPS: END event recieved immeidately for the first few 
times

try the latest version of Tomcat 6, if that doesn't work, provide a test case 
so we can take a look at it

On 7/8/2011 4:07 PM, Sudeep Pradhan wrote:

Any insights on this?

-Original Message-
From: Sudeep Pradhan [mailto:pradh...@vmware.com]
Sent: Wednesday, June 29, 2011 4:54 PM
To: users@tomcat.apache.org
Subject: Comet over HTTPS: END event recieved immeidately for the first few 
times

Hello,

I am  using Tomcat 6.0.20 on Ubuntu 10.04 and have written a simple 
TomcatWeatherServlet as presented in 
http://www.ibm.com/developerworks/web/library/wa-cometjava/ I modified the 
servlet to stream weather feed to multiple curl clients. I am using curl 7.21.6 
as my client.

When I run curl -i -k -v -trace 
https://IP_Addr:8443/Weatherhttps://%3cIP_Addr%3e:8443/Weatherfrom the 
command-line I get the following response for the first few times:

code
$ curl -i -k -v -trace https://IP_Addr:8443/Weather
* About to connect() toIP_Addrport 8443 (#0)
*   TryingIP_Addr... connected
* Connected toIP_Addr(IP_Addr) port 8443 (#0)
* successfully set certificate verify locations:
*   CAfile: none
 CApath: /etc/ssl/certs
* SSLv3, TLS handshake, Client hello (1):
* SSLv3, TLS handshake, Server hello (2):
* SSLv3, TLS handshake, CERT (11):
* SSLv3, TLS handshake, Server key exchange (12):
* SSLv3, TLS handshake, Server finished (14):
* SSLv3, TLS handshake, Client key exchange (16):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSL connection using DHE-RSA-AES256-SHA
* Server certificate:
*  subject: 
*  start date: 2009-02-23 23:07:18 GMT
*  expire date: 2019-02-21 23:07:18 GMT
*  common name: XX (does not match 'IP_Addr')
*  issuer: XX
*  SSL certificate verify result: self signed certificate (18), 
continuing anyway.

GET /Weather HTTP/1.1
User-Agent: curl/7.21.6 (x86_64-pc-linux-gnu) libcurl/7.19.7 OpenSSL/0.9.8k 
zlib/1.2.3.3 libidn/1.15
Host:IP_Addr:8443
Accept: */*


HTTP/1.1 200 OK
HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Server: Apache-Coyote/1.1
Content-Length: 0
Content-Length: 0
Date: Wed, 29 Jun 2011 23:40:17 GMT
Date: Wed, 29 Jun 2011 23:40:17 GMT


* Connection #0 to hostIP_Addrleft intact
* Closing connection #0
* SSLv3, TLS alert, Client hello (1):
/code

Observe that Content-Length is 0 in the response. Also when I do get the 
expected response which is,

code

GET /Weather HTTP/1.1
User-Agent: curl/7.21.6

Re: Comet over HTTPS: END event recieved immeidately for the first few times

2011-07-13 Thread Filip Hanik - Dev Lists


is it possible that when you turn on SSL, you are using the regular BIO 
connector when you use SSL and Comet is not supported by that connector.
best
Filip

On 7/11/2011 11:05 AM, Sudeep Pradhan wrote:

Hi Filip,

I have tried the app with tomcat 6.0.32 and 7.0.16, and the result is the same. 
I am not able to get it working with https. Http works just fine.

The use case I am trying to address is that, I want to send 
notifications/events from a webapp to another webapp asynchronously. The 2 
webapps communicate using REST call for other things. I want to have the same 
model for notifications. The client webapp will send a Https GET request and 
the server webapp will push the notifications asynchronously as a response. The 
client can be anything not just a webapp, I will be using curl as the client 
for testing.

Please let me know if you want to know more.

Thanks,
Sudeep

-Original Message-
From: Filip Hanik - Dev Lists [mailto:devli...@hanik.com]
Sent: Sunday, July 10, 2011 8:12 PM
To: Tomcat Users List
Subject: Re: Comet over HTTPS: END event recieved immeidately for the first few 
times

try the latest version of Tomcat 6, if that doesn't work, provide a test case 
so we can take a look at it

On 7/8/2011 4:07 PM, Sudeep Pradhan wrote:

Any insights on this?

-Original Message-
From: Sudeep Pradhan [mailto:pradh...@vmware.com]
Sent: Wednesday, June 29, 2011 4:54 PM
To: users@tomcat.apache.org
Subject: Comet over HTTPS: END event recieved immeidately for the first few 
times

Hello,

I am  using Tomcat 6.0.20 on Ubuntu 10.04 and have written a simple 
TomcatWeatherServlet as presented in 
http://www.ibm.com/developerworks/web/library/wa-cometjava/ I modified the 
servlet to stream weather feed to multiple curl clients. I am using curl 7.21.6 
as my client.

When I run curl -i -k -v -trace 
https://IP_Addr:8443/Weatherhttps://%3cIP_Addr%3e:8443/Weather   from the 
command-line I get the following response for the first few times:

code
$ curl -i -k -v -trace https://IP_Addr:8443/Weather
* About to connect() toIP_Addr   port 8443 (#0)
*   TryingIP_Addr... connected
* Connected toIP_Addr   (IP_Addr) port 8443 (#0)
* successfully set certificate verify locations:
*   CAfile: none
CApath: /etc/ssl/certs
* SSLv3, TLS handshake, Client hello (1):
* SSLv3, TLS handshake, Server hello (2):
* SSLv3, TLS handshake, CERT (11):
* SSLv3, TLS handshake, Server key exchange (12):
* SSLv3, TLS handshake, Server finished (14):
* SSLv3, TLS handshake, Client key exchange (16):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSL connection using DHE-RSA-AES256-SHA
* Server certificate:
*  subject: 
*  start date: 2009-02-23 23:07:18 GMT
*  expire date: 2019-02-21 23:07:18 GMT
*  common name: XX (does not match 'IP_Addr')
*  issuer: XX
*  SSL certificate verify result: self signed certificate (18), 
continuing anyway.

GET /Weather HTTP/1.1
User-Agent: curl/7.21.6 (x86_64-pc-linux-gnu) libcurl/7.19.7 OpenSSL/0.9.8k 
zlib/1.2.3.3 libidn/1.15
Host:IP_Addr:8443
Accept: */*


   HTTP/1.1 200 OK
HTTP/1.1 200 OK
   Server: Apache-Coyote/1.1
Server: Apache-Coyote/1.1
   Content-Length: 0
Content-Length: 0
   Date: Wed, 29 Jun 2011 23:40:17 GMT
Date: Wed, 29 Jun 2011 23:40:17 GMT


* Connection #0 to hostIP_Addr   left intact
* Closing connection #0
* SSLv3, TLS alert, Client hello (1):
/code

Observe that Content-Length is 0 in the response. Also when I do get the 
expected response which is,

code

GET /Weather HTTP/1.1
User-Agent: curl/7.21.6 (x86_64-pc-linux-gnu) libcurl/7.19.7 OpenSSL/0.9.8k 
zlib/1.2.3.3 libidn/1.15
Host:IP_Addr:8443
Accept: */*


   HTTP/1.1 200 OK
HTTP/1.1 200 OK
   Server: Apache-Coyote/1.1
Server: Apache-Coyote/1.1
   Transfer-Encoding: chunked
Transfer-Encoding: chunked
   Date: Wed, 29 Jun 2011 23:46:18 GMT
Date: Wed, 29 Jun 2011 23:46:18 GMT


h2Conditions for San Jose, CA at 3:52 pm PDT/h2
img src=http://l.yimg.com/a/i/us/we/52/30.gif/br /
bCurrent Conditions:/bbr /
Partly Cloudy, 68 FBR /
BR /bForecast:/bBR /
Wed - Mostly Clear. High: 70 Low: 55br /
Thu - Partly Cloudy. High: 77 Low: 57br /
br /
a 
href=http://us.rd.yahoo.com/dailynews/rss/weather/San_Jose__CA/*http://weather.yahoo.com/forecast/USCA0993_f.html;Full
 Forecast at Yahoo! Weather/aBR/BR/
(provided bya href=http://www.weather.com;The Weather Channel/a)br/
br

/code
I get Transfer-Encoding as chunked and no Content-Length.

On Server logs I get for the error are:
16:40:16.916  INFO http-8443-exec-3 TomcatWeatherServlet:41 - Begin for 
session: BDD6B1808161F1DA99D5D3207F1A719B
16:40:16.959  INFO http-8443-exec-4 TomcatWeatherServlet:48 - End for session: 
BDD6B1808161F1DA99D5D3207F1A719B
16:40:17.033  INFO http-8443-exec-4

Re: Tomcat Pool and XA datasource

2011-07-13 Thread Filip Hanik - Dev Lists


you've misconfigured it. the driverClassName would have to be a driver.
Using XA data sources needs to create the datasource for those connections 
first.

There is an example towards the bottom of

http://www.tomcatexpert.com/blog/2010/04/01/configuring-jdbc-pool-high-concurrency

Filip

On 7/12/2011 6:27 AM, Siemback, Chris wrote:

Hello all,

Has anyone ever been able to successfully setup an Oracle XA datasource using 
the newer Tomcat Pool and running Tomcat 7?  It appears the Tomcat Pool is 
attempting to cast the oracle XA data source to a java.sql.Driver - which it 
isn't.  This needs to be an XA datasource.  Anyone have luck with this - no 
working examples that I can find?  Here's the versions/info/error:

Software:
Tomcat 7.0.16
Tomcat Pool 1.1.0.1 
http://people.apache.org/~fhanik/jdbc-pool/v1.1.0.1/apache-tomcat-jdbc-1.1.0.1-bin.zip
Oracle 11 (ojdbc6.jar)


Context.xml contents:
Resource
 auth=Container
 type=javax.sql.XADataSource
 
factory=org.apache.tomcat.jdbc.pool.DataSourceFactory
 
driverClassName=oracle.jdbc.xa.client.OracleXADataSource
 name=jdbc/mydatabase
 username=username
 password=password
 url=jdbc:oracle:thin:@localhost:1521:XE /


Exception:

SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw 
exception [javax.servlet.ServletException: javax.naming.NamingException: 
oracle.jdbc.xa.client.OracleXADataSource cannot be cast to java.sql.Driver] 
with root cause
javax.naming.NamingException: oracle.jdbc.xa.client.OracleXADataSource cannot 
be cast to java.sql.Driver
 at 
org.apache.naming.NamingContext.lookup(NamingContext.java:843)
 at 
org.apache.naming.NamingContext.lookup(NamingContext.java:145)
 at 
org.apache.naming.NamingContext.lookup(NamingContext.java:814)
 at 
org.apache.naming.NamingContext.lookup(NamingContext.java:145)
 at 
org.apache.naming.NamingContext.lookup(NamingContext.java:814)
 at 
org.apache.naming.NamingContext.lookup(NamingContext.java:145)
 at 
org.apache.naming.NamingContext.lookup(NamingContext.java:814)
 at 
org.apache.naming.NamingContext.lookup(NamingContext.java:159)
 at 
org.apache.naming.SelectorContext.lookup(SelectorContext.java:158)
 at javax.naming.InitialContext.lookup(InitialContext.java:392)
 at org.apache.jsp.jdbc_jsp._jspService(jdbc_jsp.java:69)
 at 
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
 at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
 at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
 at 
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
 at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
 at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
 at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
 at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
 at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
 at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
 at 
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
 at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
 at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:403)
 at 
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:286)
 at 
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:272)
 at 
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1730)
 at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
 at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
 at java.lang.Thread.run(Thread.java:662)

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Re: Comet over HTTPS: END event recieved immeidately for the first few times

2011-07-10 Thread Filip Hanik - Dev Lists


try the latest version of Tomcat 6, if that doesn't work, provide a test case 
so we can take a look at it

On 7/8/2011 4:07 PM, Sudeep Pradhan wrote:

Any insights on this?

-Original Message-
From: Sudeep Pradhan [mailto:pradh...@vmware.com]
Sent: Wednesday, June 29, 2011 4:54 PM
To: users@tomcat.apache.org
Subject: Comet over HTTPS: END event recieved immeidately for the first few 
times

Hello,

I am  using Tomcat 6.0.20 on Ubuntu 10.04 and have written a simple 
TomcatWeatherServlet as presented in 
http://www.ibm.com/developerworks/web/library/wa-cometjava/ I modified the 
servlet to stream weather feed to multiple curl clients. I am using curl 7.21.6 
as my client.

When I run curl -i -k -v -trace 
https://IP_Addr:8443/Weatherhttps://%3cIP_Addr%3e:8443/Weather  from the 
command-line I get the following response for the first few times:

code
$ curl -i -k -v -trace https://IP_Addr:8443/Weather
* About to connect() toIP_Addr  port 8443 (#0)
*   TryingIP_Addr... connected
* Connected toIP_Addr  (IP_Addr) port 8443 (#0)
* successfully set certificate verify locations:
*   CAfile: none
   CApath: /etc/ssl/certs
* SSLv3, TLS handshake, Client hello (1):
* SSLv3, TLS handshake, Server hello (2):
* SSLv3, TLS handshake, CERT (11):
* SSLv3, TLS handshake, Server key exchange (12):
* SSLv3, TLS handshake, Server finished (14):
* SSLv3, TLS handshake, Client key exchange (16):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSL connection using DHE-RSA-AES256-SHA
* Server certificate:
*  subject: 
*  start date: 2009-02-23 23:07:18 GMT
*  expire date: 2019-02-21 23:07:18 GMT
*  common name: XX (does not match 'IP_Addr')
*  issuer: XX
*  SSL certificate verify result: self signed certificate (18), 
continuing anyway.

GET /Weather HTTP/1.1
User-Agent: curl/7.21.6 (x86_64-pc-linux-gnu) libcurl/7.19.7 OpenSSL/0.9.8k 
zlib/1.2.3.3 libidn/1.15
Host:IP_Addr:8443
Accept: */*


  HTTP/1.1 200 OK
HTTP/1.1 200 OK
  Server: Apache-Coyote/1.1
Server: Apache-Coyote/1.1
  Content-Length: 0
Content-Length: 0
  Date: Wed, 29 Jun 2011 23:40:17 GMT
Date: Wed, 29 Jun 2011 23:40:17 GMT


* Connection #0 to hostIP_Addr  left intact
* Closing connection #0
* SSLv3, TLS alert, Client hello (1):
/code

Observe that Content-Length is 0 in the response. Also when I do get the 
expected response which is,

code

GET /Weather HTTP/1.1
User-Agent: curl/7.21.6 (x86_64-pc-linux-gnu) libcurl/7.19.7 OpenSSL/0.9.8k 
zlib/1.2.3.3 libidn/1.15
Host:IP_Addr:8443
Accept: */*


  HTTP/1.1 200 OK
HTTP/1.1 200 OK
  Server: Apache-Coyote/1.1
Server: Apache-Coyote/1.1
  Transfer-Encoding: chunked
Transfer-Encoding: chunked
  Date: Wed, 29 Jun 2011 23:46:18 GMT
Date: Wed, 29 Jun 2011 23:46:18 GMT


h2Conditions for San Jose, CA at 3:52 pm PDT/h2
img src=http://l.yimg.com/a/i/us/we/52/30.gif/br /
bCurrent Conditions:/bbr /
Partly Cloudy, 68 FBR /
BR /bForecast:/bBR /
Wed - Mostly Clear. High: 70 Low: 55br /
Thu - Partly Cloudy. High: 77 Low: 57br /
br /
a 
href=http://us.rd.yahoo.com/dailynews/rss/weather/San_Jose__CA/*http://weather.yahoo.com/forecast/USCA0993_f.html;Full
 Forecast at Yahoo! Weather/aBR/BR/
(provided bya href=http://www.weather.com;The Weather Channel/a)br/
br

/code
I get Transfer-Encoding as chunked and no Content-Length.

On Server logs I get for the error are:
16:40:16.916  INFO http-8443-exec-3 TomcatWeatherServlet:41 - Begin for 
session: BDD6B1808161F1DA99D5D3207F1A719B
16:40:16.959  INFO http-8443-exec-4 TomcatWeatherServlet:48 - End for session: 
BDD6B1808161F1DA99D5D3207F1A719B
16:40:17.033  INFO http-8443-exec-4 TomcatWeatherServlet:48 - End for session: 
BDD6B1808161F1DA99D5D3207F1A719B

This was working when I was on HTTP. I have tried to debug this for a lot of 
time w/o success. Also I get two END events instead of one as seen in the Logs. 
 Any insights will be helpful.

Thanks,
Sudeep

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Re: getAllClusterSessions gives OptionalDataException

2011-07-07 Thread Filip Hanik - Dev Lists


On 6/28/2011 2:31 AM, Konstantin Kolinko wrote:

2011/6/23 Ronald Klopronald-mailingl...@base.nl:

Hi,

I have an exception when one on my Tomcat nodes restarts. The session are
not synced and user complain about being logged out. I was running 6.0.32
and had the problem. Now I'm running a custom build of 6.0.33 from
yesterday. I added a little code which prints ' SEVERE: name=user'. The key
on which the sync fails while reading the value.

I looked into the java code in ObjectInputStream and it looks like some
inconsistency in the ObjectStream.

I have 4 nodes on Debian 5, sun-java6-jdk 6-22-0lenny1, seen the problem on
Tomcat 6.0.29, 6.0.32 and a custom build 6.0.33. I can't reproduce this
(yet) on my test environment, so debugging it is difficult without upset
customers.

Engine name=Catalina defaultHost=xxx.xxx.xxx
  Realm className=org.apache.catalina.realm.UserDatabaseRealm
 resourceName=UserDatabase /
Cluster
className=org.apache.catalina.ha.tcp.SimpleTcpCluster
Channel
className=org.apache.catalina.tribes.group.GroupChannel
Membership
className=org.apache.catalina.tribes.membership.McastService port=47727
/
/Channel
/Cluster
Host name=xxx.xxx.xxx
appBase=/data/webapps/crm-LIVE/deployed
unpackWARs=true autoDeploy=false
xmlValidation=false xmlNamespaceAware=true
/Host
/Engine

Can I provide more information? Where should I look.

NB: In some previous mails about another problem I thought that might be the
reason for my logout problem, that is why I tried 6.0.33-dev.

Ronald.

Jun 23, 2011 5:49:47 PM org.apache.catalina.ha.session.DeltaManager
getAllClusterSessions
WARNING: Manager [crm.realworks.nl#], requesting session state from
org.apache.catalina.tribes.membership.MemberImpl[tcp://{10, 0, 10,
110}:4000,{10, 0, 10, 110},4000, alive=45370885,id={-34 112 102 -93 -87 -88
77 18 -113 -30 62 8 62 -65 -112 -13 }, payload={}, command={}, domain={}, ].
This operation will timeout if no session state has been received within 60
seconds.
Jun 23, 2011 5:49:47 PM org.apache.catalina.ha.session.DeltaManager
waitForSendAllSessions
INFO: Manager [crm.realworks.nl#]; session state send at 6/23/11 5:49 PM
received in 304 ms.
Jun 23, 2011 5:49:47 PM org.apache.catalina.ha.session.DeltaManager
getAllClusterSessions
WARNING: Manager [crm.realworks.nl#]: Drop message SESSION-ACCESSED inside
GET_ALL_SESSIONS sync phase start date 6/23/11 5:49 PM message date 6/23/11
5:49 PM
Jun 23, 2011 5:49:47 PM org.apache.catalina.ha.session.DeltaSession
readObject
SEVERE: name=user.
Jun 23, 2011 5:49:47 PM org.apache.catalina.ha.session.DeltaManager
deserializeSessions
SEVERE: IOException while loading persisted sessions:
java.io.OptionalDataException
java.io.OptionalDataException
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at java.util.HashMap.readObject(HashMap.java:1029)

(...)

Looking at ObjectInputStream sourced, the OptionalDataException is
thrown when the source stream is truncated.

It might be related to the following issue, fixed in Tomcat 7, but
never proposed for backport yet:
https://issues.apache.org/bugzilla/show_bug.cgi?id=50646
Tribes ByteMessage will get corrupted if message size exceeds the
underlying buffer size

that's what I thought, but the SessionMessage doesn't use ByteMessage


Best regards,
Konstantin Kolinko

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Re: getAllClusterSessions gives OptionalDataException

2011-06-23 Thread Filip Hanik - Dev Lists


are there other versions of Apache Tomcat running in the same cluster?
Check the logs for what members are joining the cluster, then check what 
version they are

best
Filip

On 6/23/2011 10:14 AM, Ronald Klop wrote:

Hi,

I have an exception when one on my Tomcat nodes restarts. The session are not synced and user complain about being logged out. I was 
running 6.0.32 and had the problem. Now I'm running a custom build of 6.0.33 from yesterday. I added a little code which prints ' SEVERE: 
name=user'. The key on which the sync fails while reading the value.


I looked into the java code in ObjectInputStream and it looks like some 
inconsistency in the ObjectStream.

I have 4 nodes on Debian 5, sun-java6-jdk 6-22-0lenny1, seen the problem on Tomcat 6.0.29, 6.0.32 and a custom build 6.0.33. I can't 
reproduce this (yet) on my test environment, so debugging it is difficult without upset customers.


Engine name=Catalina defaultHost=xxx.xxx.xxx
Realm className=org.apache.catalina.realm.UserDatabaseRealm
 resourceName=UserDatabase /
Cluster className=org.apache.catalina.ha.tcp.SimpleTcpCluster
Channel className=org.apache.catalina.tribes.group.GroupChannel
Membership className=org.apache.catalina.tribes.membership.McastService 
port=47727 /
/Channel
/Cluster
Host name=xxx.xxx.xxx
appBase=/data/webapps/crm-LIVE/deployed
unpackWARs=true autoDeploy=false
xmlValidation=false xmlNamespaceAware=true
/Host
/Engine

Can I provide more information? Where should I look.

NB: In some previous mails about another problem I thought that might be the 
reason for my logout problem, that is why I tried 6.0.33-dev.

Ronald.

Jun 23, 2011 5:49:47 PM org.apache.catalina.ha.session.DeltaManager 
getAllClusterSessions
WARNING: Manager [crm.realworks.nl#], requesting session state from org.apache.catalina.tribes.membership.MemberImpl[tcp://{10, 0, 10, 
110}:4000,{10, 0, 10, 110},4000, alive=45370885,id={-34 112 102 -93 -87 -88 77 18 -113 -30 62 8 62 -65 -112 -13 }, payload={}, command={}, 
domain={}, ]. This operation will timeout if no session state has been received within 60 seconds.

Jun 23, 2011 5:49:47 PM org.apache.catalina.ha.session.DeltaManager 
waitForSendAllSessions
INFO: Manager [crm.realworks.nl#]; session state send at 6/23/11 5:49 PM 
received in 304 ms.
Jun 23, 2011 5:49:47 PM org.apache.catalina.ha.session.DeltaManager 
getAllClusterSessions
WARNING: Manager [crm.realworks.nl#]: Drop message SESSION-ACCESSED inside GET_ALL_SESSIONS sync phase start date 6/23/11 5:49 PM message 
date 6/23/11 5:49 PM

Jun 23, 2011 5:49:47 PM org.apache.catalina.ha.session.DeltaSession readObject
SEVERE: name=user.
Jun 23, 2011 5:49:47 PM org.apache.catalina.ha.session.DeltaManager 
deserializeSessions
SEVERE: IOException while loading persisted sessions: 
java.io.OptionalDataException
java.io.OptionalDataException
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1348)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at java.util.HashMap.readObject(HashMap.java:1029)
at sun.reflect.GeneratedMethodAccessor23.invoke(Unknown Source)
at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1946)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1870)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at 
org.apache.catalina.ha.session.DeltaSession.readObject(DeltaSession.java:655)
at 
org.apache.catalina.ha.session.DeltaSession.readObjectData(DeltaSession.java:481)
at 
org.apache.catalina.ha.session.DeltaManager.deserializeSessions(DeltaManager.java:745)
at 
org.apache.catalina.ha.session.DeltaManager.handleALL_SESSION_DATA(DeltaManager.java:1583)
at 
org.apache.catalina.ha.session.DeltaManager.messageReceived(DeltaManager.java:1440)
at 
org.apache.catalina.ha.session.DeltaManager.messageDataReceived(DeltaManager.java:1173)
at 
org.apache.catalina.ha.session.ClusterSessionListener.messageReceived(ClusterSessionListener.java:92)
at 
org.apache.catalina.ha.tcp.SimpleTcpCluster.messageReceived(SimpleTcpCluster.java:901)
at 
org.apache.catalina.ha.tcp.SimpleTcpCluster.messageReceived(SimpleTcpCluster.java:882)
at 
org.apache.catalina.tribes.group.GroupChannel.messageReceived(GroupChannel.java:269)
at

Re: async requests on cluster

2011-06-08 Thread Filip Hanik - Dev Lists


On 6/7/2011 3:34 PM, Mark Thomas wrote:

On 07/06/2011 21:46, Seth Lenzi wrote:

The isAsyncSupported() method of the SerlvletRequest object returns
false when you uncomment theCluster
className=org.apache.catalina.ha.tcp.SimpleTcpCluster/  element in the
server.xml file (Tomcat 7.0.14). Basically, enabling clustering seems to
break support for asynchronous servlets... Is there something else that
needs to be done to enable async requests to work on a cluster?

That would be a bug. Looking at it now, the fix should make it into the
next 7.0.x release (7.0.16). I'll be starting on that release once this
issue is fixed.
not a bug,just not a feature yet implemented. replication is triggered when a request ends. when async is in play, replication must be 
replicated based on an interval, or when the request is finally complete.




Mark



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Re: Tomcat 6 Clustering vs. Tomcat 5.5 clustering

2011-06-06 Thread Filip Hanik - Dev Lists


On 5/23/2011 6:50 AM, Martin Knoblauch wrote:

Hi,

while moving an application from Tomcat 5.5 to Tomcat 6 I found some
differences in clustering, that I could not resolve myself:

e. G. What happened to replicationMode, ackTimeout waitForAck? In TC 5.5 I had:

 Sender
className=org.apache.catalina.cluster.tcp.ReplicationTransmitter
 replicationMode=fastasyncqueue
 ackTimeout=15000
 waitForAck=true/

channelSendOptions
http://tomcat.apache.org/tomcat-6.0-doc/config/cluster.html



Are they still available with
org.apache.catalina.tribes.transport.ReplicationTransmitter?

Also, can I assume the bindAddress from
org.apache.catalina.cluster.mcast.McastService is the same as bind from
org.apache.catalina.tribes.membership.McastService?


yes
http://tomcat.apache.org/tomcat-6.0-doc/config/cluster-membership.html


Thanks
Martin
--
Martin Knoblauch
email: k n o b i AT knobisoft DOT de
www:   http://www.knobisoft.de


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Re: Tomcat download stream gets broken

2011-05-19 Thread Filip Hanik - Dev Lists



Looks like the client disconnected, that is a fairly normal scenario.
You have to be able to handle the error if a client disconnects prior to having 
downloaded all the content

Filip

On 5/19/2011 8:46 AM, Gerardo Corro wrote:

Trying gmail


Hi all,

I have a file download servlet running on Tomcat, the code is


 public void service(HttpServletRequest request,
HttpServletResponse response) throws IOException {
 byte buf[] = new byte[1024 * 4];
 try {
 File file = new File(realFilename);
 int size = (int) file.length();
 BufferedInputStream realFile = new BufferedInputStream(new
FileInputStream(file));
 OutputStream out = response.getOutputStream();
 response.setContentLength(size);
 while (true) {
 int count = realFile.read(buf);
 if (count == -1) {
 break;
 }
 out.write(buf, 0, count);
 }
 out.flush();
 } catch (FileNotFoundException e) {
 logger.error(Stream download failed, file not found:  +
realFilename, e);
 response.sendError(404);
 } catch (Exception e) {
 logger.error(DownloadException:, e);
 }
 }

However once in a while I get an error that prevents files from being
downloaded:


DownloadException:  java.net.SocketException: Broken pipe
 at 
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:366)
 at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:432)
 at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:347)
 at 
org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:392)
 at 
org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:381)
 at 
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
 at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
 at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
 at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
 at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
 at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
 at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
 at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
 at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875)
 at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
 at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
 at 
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:113)
 at java.lang.Thread.run(Thread.java:619)
Caused by: java.net.SocketException: Broken pipe
 at java.net.SocketOutputStream.socketWrite0(Native Method)
 at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
 at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
 at 
org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:750)
 at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:432)
 at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:347)
 at 
org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:773)
 at 
org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:118)
 at 
org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:583)
 at org.apache.coyote.Response.doWrite(Response.java:560)
 at 
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:361)
 ... 23 more

How can I prevent such an error?

Thanks!!!

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Re: How to close all connections in a Tomcat container db connection pool?

2011-05-16 Thread Filip Hanik - Dev Lists


in Tomcat 7 (not sure if backported to 6), you configure a

Resource
  
  closeMethod=close
  

/

Filip



On 5/11/2011 7:55 AM, Christopher Schultz wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Dale,

On 5/10/2011 7:24 PM, Dale Ogilvie wrote:

The cause of the error was the db admin patching a db package underlying
one used by our web-app. Post patch all the packages appeared valid to
the admin, but not to our app using db connections established prior to
the db patching.

Looks like the Oracle connection caches some of that metadata. Maybe
your dba shouldn't mess with that kind of stuff while the application is
running :)


Is there any way to tell the running Tomcat to clean out the connection
pool, so that it throws away all the established connections, and
establishes new ones for the applications. I don't really want to have
to stop all the applications on our server to deal with this sort of
issue.

You'll have to basically reach-into the JNDI context, pull-out the
DataSource object, cross your fingers and cast it to some known object
type (like org.apache.tomcat.dbcp.dbcp.BasicDataSource) and then call
methods on that Tomcat-specific class.

You could call the close method on that class, but I suspect you'll
end up with an empty, useless pool at that point. It's possible that the
pool will re-initialize itself when you call getConnection but you'll
have to check that out for yourself.

You could also look into using JMX, but you'll have to poke around
looking for the key for your DataSource and then I don't have any idea
what actions are available... YMMV.

Maybe there's a method on the Oracle-specific connection object(s) that
you can use to flush all the metadata. You might want to look into that,
too.

Finally, if you use a webapp-specific DataSource (that is, not a
global one) and you properly close the DataSource when the webapp
shuts down, a new one should be created for your when the new instance
of the webapp launches.

Hope that helps,
- -chris
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iEYEARECAAYFAk3KlV8ACgkQ9CaO5/Lv0PCLcQCgt5X+2GBrQpIaHSY+nYwFZZrp
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Re: Connection pool race condition

2011-04-28 Thread Filip Hanik - Dev Lists


this is the way to go, just setup a service dependency



On 4/28/2011 7:36 AM, Peter Crowther wrote:

You could use Windows' service dependency management (
http://support.microsoft.com/kb/193888) to start Tomcat only after Oracle
reports that it's running.  This might still cause problems if Oracle does
the same as SQL Server and continues recovering after its official startup
has finished.  In that case, I'd try to write a small service that polled
Oracle every few seconds till it started, then reported itself as started,
and make Tomcat dependent on that.  Service creation in Windows isn't too
hard, but it's another moving part to support!

- Peter

On 27 April 2011 21:18, chris derhamch...@derham.me.uk  wrote:


All,

So we have various tomcat services setup on windows. When windows updates
are auto installed, sometimes they force a reboot of the server. When this
happens, the tomcats win the race with the database (Oracle) to startup.
Then the connection pool can't start, and then the war file is flagged as
shutdown. We have tried to make the tomcat services dependent on the oracle
service (both db service and tns listener), but same happens. Just tried to
turn the connection pool initial size down to zero, but the app fetches
some
config at startup. I guess we could recode to lazily fetch this upon first
access. Just curious if anyone has hit this, and if there is a way to delay
the tomcat service startup.

Tomcat 7.0.12
Windows server 2008 r2 64 bit


java -version

java version 1.6.0_24
Java(TM) SE Runtime Environment (build 1.6.0_24-b07)
Java HotSpot(TM) 64-Bit Server VM (build 19.1-b02, mixed mode)

We have connection pool setup in catalina_base\conf\context.xml

Resource name=jdbc/xts
auth=Container
type=javax.sql.DataSource
username=username
password=password
driverClassName=oracle.jdbc.OracleDriver
url=jdbc:oracle:thin:@localhost:1521:xe
maxActive=20
maxIdle=2
minIdle=1
initialSize=2
/


27-Apr-2011 19:48:22 org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
27-Apr-2011 19:48:31 org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring FrameworkServlet 'dispatcher'
27-Apr-2011 20:21:22 org.apache.catalina.core.ApplicationContext log
INFO: Destroying Spring FrameworkServlet 'dispatcher'
27-Apr-2011 20:21:22 org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
27-Apr-2011 20:21:22 org.apache.catalina.core.ApplicationContext log
INFO: Shutting down log4j
27-Apr-2011 20:25:36 org.apache.catalina.core.StandardContext listenerStart
SEVERE: Exception sending context initialized event to listener instance of
class liquibase.integration.servlet.LiquibaseServletListener
java.lang.RuntimeException: javax.naming.NamingException: Cannot create
PoolableConnectionFactory (ORA-01033: ORACLE initialization or shutdown in
progress
)
at

liquibase.integration.servlet.LiquibaseServletListener.contextInitialized(LiquibaseServletListener.java:159)
at

org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4701)
at
org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5204)
at
org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5199)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at

java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: javax.naming.NamingException: Cannot create
PoolableConnectionFactory (ORA-01033: ORACLE initialization or shutdown in
progress
)
at org.apache.naming.NamingContext.lookup(NamingContext.java:843)
at org.apache.naming.NamingContext.lookup(NamingContext.java:145)
at org.apache.naming.NamingContext.lookup(NamingContext.java:814)
at org.apache.naming.NamingContext.lookup(NamingContext.java:145)
at org.apache.naming.NamingContext.lookup(NamingContext.java:814)
at org.apache.naming.NamingContext.lookup(NamingContext.java:145)
at org.apache.naming.NamingContext.lookup(NamingContext.java:814)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at org.apache.naming.SelectorContext.lookup(SelectorContext.java:158)
at javax.naming.InitialContext.lookup(InitialContext.java:392)

Thanks

Chris




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Re: Connection pool race condition

2011-04-28 Thread Filip Hanik - Dev Lists

There is another solution that should work, and that is to define initialSize=0 so that no attempt is made to contact the DB when it is 
created. Then set testOnBorrow=true


The jdbc-pool project should work like this
http://people.apache.org/~fhanik/jdbc-pool/

Filip

On 4/28/2011 1:58 PM, Filip Hanik - Dev Lists wrote:

this is the way to go, just setup a service dependency



On 4/28/2011 7:36 AM, Peter Crowther wrote:

You could use Windows' service dependency management (
http://support.microsoft.com/kb/193888) to start Tomcat only after Oracle
reports that it's running.  This might still cause problems if Oracle does
the same as SQL Server and continues recovering after its official startup
has finished.  In that case, I'd try to write a small service that polled
Oracle every few seconds till it started, then reported itself as started,
and make Tomcat dependent on that.  Service creation in Windows isn't too
hard, but it's another moving part to support!

- Peter

On 27 April 2011 21:18, chris derhamch...@derham.me.uk  wrote:


All,

So we have various tomcat services setup on windows. When windows updates
are auto installed, sometimes they force a reboot of the server. When this
happens, the tomcats win the race with the database (Oracle) to startup.
Then the connection pool can't start, and then the war file is flagged as
shutdown. We have tried to make the tomcat services dependent on the oracle
service (both db service and tns listener), but same happens. Just tried to
turn the connection pool initial size down to zero, but the app fetches
some
config at startup. I guess we could recode to lazily fetch this upon first
access. Just curious if anyone has hit this, and if there is a way to delay
the tomcat service startup.

Tomcat 7.0.12
Windows server 2008 r2 64 bit


java -version

java version 1.6.0_24
Java(TM) SE Runtime Environment (build 1.6.0_24-b07)
Java HotSpot(TM) 64-Bit Server VM (build 19.1-b02, mixed mode)

We have connection pool setup in catalina_base\conf\context.xml

Resource name=jdbc/xts
auth=Container
type=javax.sql.DataSource
username=username
password=password
driverClassName=oracle.jdbc.OracleDriver
url=jdbc:oracle:thin:@localhost:1521:xe
maxActive=20
maxIdle=2
minIdle=1
initialSize=2
/


27-Apr-2011 19:48:22 org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
27-Apr-2011 19:48:31 org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring FrameworkServlet 'dispatcher'
27-Apr-2011 20:21:22 org.apache.catalina.core.ApplicationContext log
INFO: Destroying Spring FrameworkServlet 'dispatcher'
27-Apr-2011 20:21:22 org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
27-Apr-2011 20:21:22 org.apache.catalina.core.ApplicationContext log
INFO: Shutting down log4j
27-Apr-2011 20:25:36 org.apache.catalina.core.StandardContext listenerStart
SEVERE: Exception sending context initialized event to listener instance of
class liquibase.integration.servlet.LiquibaseServletListener
java.lang.RuntimeException: javax.naming.NamingException: Cannot create
PoolableConnectionFactory (ORA-01033: ORACLE initialization or shutdown in
progress
)
at

liquibase.integration.servlet.LiquibaseServletListener.contextInitialized(LiquibaseServletListener.java:159)
at

org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4701)
at
org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5204)
at
org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5199)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at

java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: javax.naming.NamingException: Cannot create
PoolableConnectionFactory (ORA-01033: ORACLE initialization or shutdown in
progress
)
at org.apache.naming.NamingContext.lookup(NamingContext.java:843)
at org.apache.naming.NamingContext.lookup(NamingContext.java:145)
at org.apache.naming.NamingContext.lookup(NamingContext.java:814)
at org.apache.naming.NamingContext.lookup(NamingContext.java:145)
at org.apache.naming.NamingContext.lookup(NamingContext.java:814)
at org.apache.naming.NamingContext.lookup(NamingContext.java:145)
at org.apache.naming.NamingContext.lookup(NamingContext.java:814)
at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
at org.apache.naming.SelectorContext.lookup(SelectorContext.java:158)
at javax.naming.InitialContext.lookup(InitialContext.java:392)

Thanks

Chris




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Re: Why can't Tomcat find class org.apache.tomcat.jdbc.pool DataSourceFactory?

2011-04-20 Thread Filip Hanik - Dev Lists


download tomcat-jdbc.jar from
http://people.apache.org/~fhanik/jdbc-pool/
and put it in your lib directory
Filip

On 4/20/2011 7:38 AM, dunnlow wrote:

So, I'm investigating moving away from an oracleconnectionpool and using the
tomcat connection pool.  I followed the myriad of examples for configuring
the Resource in the server.xml.  Found great info here
(http://people.apache.org/~fhanik/tomcat/jdbc-pool.html) However, when I
start tomcat, I get the following error:

javax.naming.NamingException: Could not load resource factory class [Root
exception is java.lang.ClassNotFoundException: org.apache.tomcat.jdbc.pool
DataSourceFactory]

I'm using Tomcat 6.0

My config in server.xml is
Resource auth=Container driverClassName=oracle.jdbc.OracleDriver
factory=org.apache.tomcat.jdbc.pool.DataSourceFactory name=jdbc/myds
password=mypasswd type=javax.sql.DataSource
url=jdbc:oracle:thin:@10.10.10.33:1234:myds user=myuname /

I get it, tomcat can't find the class.  But WHY?  I don't see anything in
the documentation about adding extra .jar files.  I've looked in the distrib
and can find the golden .jar anyway.

Can anyone tell me what I am doing wrong?

Thanks!



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Re: HttpSessionActivationListener sessionDidActivate not getting called

2011-04-08 Thread Filip Hanik - Dev Lists


did any data actually get written to

/shared/httpd/tomcat_sessions

It could be that there is a permission problem

best
Filip



On 4/8/2011 1:20 PM, Aggarwal, Ajay wrote:

I enabled logging, created 1 session and restarted tomcat. This is what
I see in the logs. Is there anything suspicious here?

Why are there multiple attempts to persist sessions? Is it one per
application? One thing that has changed is now I have multiple
applications. And the path /shared/httpd/tomcat_sessions for
persistence is configured in {TOMCAT_BASE}/conf/context.xml, which means
it applies to all apps. So perhaps my 1st app is persisting the session
ok. But 2nd app that has no sessions is overriding the session
persistence file.

I will try by moving this configuration to the application where I
really need this functionality.

Meanwhile can anybody, familiar with this code, validate my theory?

--- while stopping
DEBUG [main] 2011-04-08 15:05:37,352
org.apache.catalina.session.ManagerBase - Stopping
DEBUG [main] 2011-04-08 15:05:37,352
org.apache.catalina.session.ManagerBase - Unloading persisted sessions
DEBUG [main] 2011-04-08 15:05:37,352
org.apache.catalina.session.ManagerBase - Saving persisted sessions to
/shared/httpd/tomcat_sessions
DEBUG [main] 2011-04-08 15:05:37,353
org.apache.catalina.session.ManagerBase - Unloading 1 sessions
DEBUG [main] 2011-04-08 15:05:37,359
org.apache.catalina.session.ManagerBase - Expiring 1 persisted sessions
DEBUG [main] 2011-04-08 15:05:37,359
org.apache.catalina.session.ManagerBase - Unloading complete
DEBUG [main] 2011-04-08 15:05:37,590
org.apache.catalina.session.ManagerBase - Stopping
DEBUG [main] 2011-04-08 15:05:37,590
org.apache.catalina.session.ManagerBase - Unloading persisted sessions
DEBUG [main] 2011-04-08 15:05:37,590
org.apache.catalina.session.ManagerBase - Saving persisted sessions to
/shared/httpd/tomcat_sessions
DEBUG [main] 2011-04-08 15:05:37,590
org.apache.catalina.session.ManagerBase - Unloading 0 sessions
DEBUG [main] 2011-04-08 15:05:37,590
org.apache.catalina.session.ManagerBase - Expiring 0 persisted sessions
DEBUG [main] 2011-04-08 15:05:37,590
org.apache.catalina.session.ManagerBase - Unloading complete
DEBUG [main] 2011-04-08 15:05:37,597
org.apache.catalina.session.ManagerBase - Stopping

--- restarting 
DEBUG [main] 2011-04-08 15:05:40,463
org.apache.catalina.session.ManagerBase - Start: Loading persisted
sessions
DEBUG [main] 2011-04-08 15:05:40,464
org.apache.catalina.session.ManagerBase - Loading persisted sessions
from /shared/httpd/tomcat_sessions
DEBUG [main] 2011-04-08 15:05:40,464
org.apache.catalina.session.ManagerBase - Creating custom object input
stream for class loader
DEBUG [main] 2011-04-08 15:05:40,470
org.apache.catalina.session.ManagerBase - Loading 0 persisted sessions

-Original Message-
From: Aggarwal, Ajay [mailto:ajay.aggar...@stratus.com]

That's the first thing I thought too. However I don't see anything in
the logs to indicate this. Also when sessionWillPassivate() is called I
am logging all session attributes to make sure there is nothing non
serializable there.


-Original Message-
From: Caldarale, Charles R [mailto:chuck.caldar...@unisys.com]


From: Aggarwal, Ajay [mailto:ajay.aggar...@stratus.com]
Subject: HttpSessionActivationListener sessionDidActivate not getting

called


Lately I am seeing that sessionDidActivate() does not get called upon
tomcat restart, even though sessionWillPassivate() is called. Also

even

though sessionWillPassivate() is called, I don't see the session
persistence file being created (the one that I specified in
conf/context.xmlcontextManager pathname=xxx  ).

Perhaps you are now storing something in the session that is not
serializable.  I would expect some log entries indicating such if that's
the case.

  - Chuck


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Re: Trouble with jdbc drivers in TC 7

2011-04-07 Thread Filip Hanik - Dev Lists


The config has changed from

Resource ...
param


to
Resource
 driverClassName=


that could be your culprit

On 4/7/2011 12:08 PM, David kerber wrote:

System:  Windows Server 2008 R2 Standard (64-bit)
JRE:  1.6.0_24 x64
TC:  7.0.11, installed in c:\Program Files\..., so it detected an x64 
installation
DB:  Sybase ASA 9.0.2.3951, x64 version

DB server and TC are both installed on this same machine.

I'm trying to port my app from tc 5.5.something late, to 7.0, and can't get my 
app to find the driver class.  It all works fine under TC 5.5.

All my database pooling is done in the application, so I thought putting the jodbc.jar in the WEB-INF/lib of the app would work with no 
need to edit my configuration files, but I'm still getting the class not found error below.  I have also tried moving jodbc.jar to 
%catalina_home%/lib, but that didn't help either.


RtData64 is the 64-bit ODBC DSN, which test ok in ODBC admin.  I have opened jodbc.jar to be sure it has ianywhere.ml.jdbcodbc.IDriver 
inside it.


Am I missing some configuration requirements?  I can't find anything in the online docs that would indicate I need to do anything, since 
I'm not having TC handle the connection pooling.


Dave


Thu Apr 07 12:09:56 EDT 2011:  Exception in class: com.wra.websira.WraAdmin, Msg: 'Initialization', Exception: 
java.lang.ClassNotFoundException: ianywhere.ml.jdbcodbc.IDriver
Thu Apr 07 12:09:56 EDT 2011:  Exception in class: com.wra.websira.WraJdbc, Msg: 'Creating database: RtData64', Exception: 
java.lang.ClassNotFoundException: ianywhere.ml.jdbcodbc.IDriver

java.lang.ClassNotFoundException: ianywhere.ml.jdbcodbc.IDriver
at 
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1676)
at 
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1521)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at com.wra.websira.WraDatabase.open(WraDatabase.java:64)
at com.wra.websira.WraJdbc.init(WraJdbc.java:46)
at com.wra.websira.WraAdmin.init(WraAdmin.java:257)
at com.wra.websira.WraAdmin.validateUser(WraAdmin.java:594)
at com.wra.websira.WraAdmin.validateUser(WraAdmin.java:451)
at eddsrv.LoginBean.verifyUser(LoginBean.java:41)
at org.apache.jsp.Login_jsp._jspService(Login_jsp.java:144)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:391)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:498)
at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:394)
at 
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:284)
at 
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:322)
at 
org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1714)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)



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Re: JDBC Pool Disconnections


On 4/5/2011 7:31 AM, הילה wrote:

name=jdbc/com/vstechnology/appname
scope=Shareable
type=javax.sql.Datasource
url=jdbc:jtds:sqlserver://SQLServerName:1433/DBname;useCursors=false;sendStringParametersAsUnicode=false
factory=org.apache.tomcat.jdbc.pool.DataSourceFactory
maxActive=200
minIdle=0
maxIdle=10
maxWait=1
initialSize=20
driverClassName=net.sourceforge.jtds.jdbc.Driver

Add in

testOnBorrow=true
validationQuery=select 1

this ensures that if the DB closes a connection, the pool validates it

best
Filip

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Re: TomcatCluster data replication


On 4/6/2011 1:22 PM, Jürgen Jakobitsch wrote:

hi,

i'm in need of data replication in a tomcat-cluster.
i set up a tomcat cluster of three tomcats on a single machine with a apache 
(mod_jk) front that does the load balacing.
everything works absolutely charming for reading requests, my trouble start 
with data input.

what i'm trying to achieve is that if i submit data with a html form, the 
storage on all cluster members needs to be updated.
i'm using an openrdf's sesame triple store which locks it's data directory so i 
can't simply use a single shared directory
in my application.


sounds like a limitation of sesame. Use some other noSQL data store and you 
wont have this issue

best
Filip


what i have in mind, after first readings, is some sort of clustervalve that 
checks, if a request is a POST request and if
yes, sends this request (which updates the repository in the back) to all 
members of the cluster.

so here would be my questions :

1. is there a standard way of doing something like (which a not-clusterable 
data-backend)
2. is the thing with the clustervalve in fact the correct starting point

any help or pointer to the right direction greatly appreciated

wkr turnguard.com/turnguard




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Re: JDBC Pool Disconnections


validate == connection is open and working

if they are worried about performance, there is a compromise that gets you best 
of both worlds

testOnBorrow=true
validationQuery=select 1
validationInterval=3

this ensures that in a high concurrency environment, the number of validations 
are limited

Filip



On 4/6/2011 1:36 PM, הילה wrote:

I wanted to add it, bu the company that developed the application that runs

on the tomcat, says that it affect performance and has issues.

what do you mean validates it? what does it do, exactly?

Thanks
Hila


2011/4/6 Filip Hanik - Dev Listsdevli...@hanik.com


On 4/5/2011 7:31 AM, הילה wrote:


name=jdbc/com/vstechnology/appname
scope=Shareable
type=javax.sql.Datasource

url=jdbc:jtds:sqlserver://SQLServerName:1433/DBname;useCursors=false;sendStringParametersAsUnicode=false
factory=org.apache.tomcat.jdbc.pool.DataSourceFactory
maxActive=200
minIdle=0
maxIdle=10
maxWait=1
initialSize=20
driverClassName=net.sourceforge.jtds.jdbc.Driver


Add in

testOnBorrow=true
validationQuery=select 1

this ensures that if the DB closes a connection, the pool validates it

best
Filip

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Re: JDBC Pool Disconnections

On 4/6/2011 1:54 PM, הילה wrote:

I wanted to add the last string as well, but they said to forget about it..

:] and they should know best
however, if disconnections will continue (there are some right now) I'll try
it anyway

as for the connection validation = you said that if the DB closes a
connection (why does it happen? can I prevent it?)
most common is that the DB times out an idle connection. A pool holds a connection open, the connection is not being used and the DB times
it out. there are many examples, same thing if there is a network glitch, or the db is restarted.

than the pool is checking
if the connection is open and working. and if not? i the DB closed the
connection and it's not usable.. then what does the pool do?

if the pool doesn't check, then it doesn't do anything.
if the pool check (testOnBorrow=true) and the test fails, it closes the old
connection and opens a new one.

Filip

2011/4/6 Filip Hanik - Dev Listsdevli...@hanik.com

validate == connection is open and working

if they are worried about performance, there is a compromise that gets you
best of both worlds

testOnBorrow=true
validationQuery=select 1
validationInterval=3

this ensures that in a high concurrency environment, the number of
validations are limited

Filip

On 4/6/2011 1:36 PM, הילה wrote:

I wanted to add it, bu the company that developed the application that
runs

on the tomcat, says that it affect performance and has issues.

what do you mean validates it? what does it do, exactly?

Thanks
Hila

2011/4/6 Filip Hanik - Dev Listsdevli...@hanik.com

On 4/5/2011 7:31 AM, הילה wrote:

name=jdbc/com/vstechnology/appname

scope=Shareable
type=javax.sql.Datasource

url=jdbc:jtds:sqlserver://SQLServerName:1433/DBname;useCursors=false;sendStringParametersAsUnicode=false
factory=org.apache.tomcat.jdbc.pool.DataSourceFactory
maxActive=200
minIdle=0
maxIdle=10
maxWait=1
initialSize=20
driverClassName=net.sourceforge.jtds.jdbc.Driver

Add in

testOnBorrow=true
validationQuery=select 1

this ensures that if the DB closes a connection, the pool validates it

best
Filip

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Re: No access log for AJP traffic


Tomcat 6
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/catalina/valves/AccessLogValve.java?annotate=1030188
Look at the invoke() method, it logs the data


Tomcat 7
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/valves/AccessLogValve.java?view=annotate
Look at the invoke() method, it does nothing :)

It seems to have happened here
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/valves/AccessLogValve.java?r1=1059547r2=1059548;

Filip

On 4/6/2011 1:50 PM, Chris Dumoulin wrote:

In looking into this further, it appears that the difference isn't in HTTP vs 
AJP, the difference is in async vs synchronous.

The AJP traffic was carrying requests that were being processed asynchronously 
in Tomcat. If I switch to using the HTTP connector for this same traffic I 
still don't see anything in the access log. Other requests that are being 
processed synchronously are showing up in the access logs.

I'm starting to step through the Tomcat code now, but any thoughts on this 
would be appreciated.

- Chris

On April 6, 2011 03:31:18 pm Chris Dumoulin wrote:

Thanks for your response Andre. I'm using AJP between Tomcat and Nginx using 
this Nginx module: https://github.com/yaoweibin/nginx_ajp_module
There is definitely AJP traffic, it's just not showing up in the access log.

- Chris

On April 6, 2011 03:24:38 pm André Warnier wrote:

Chris Dumoulin wrote:

I'm using tomcat 7.0.11 with the following Connector and Host elements in 
server.xml:

Connector connectionTimeout=2 port=8080 protocol=HTTP/1.1 
redirectPort=8443/
Connector port=8009 protocol=AJP/1.3 redirectPort=8443/

Host appBase=webapps autoDeploy=true name=localhost unpackWARs=true
 Valve className=org.apache.catalina.valves.AccessLogValve directory=logs pattern=%h %l %u %tquot;%rquot; 
%s %b prefix=localhost_access_log. resolveHosts=false suffix=.txt/
 Context docBase=app1 path=/app1 reloadable=true 
source=org.eclipse.jst.jee.server:app1/
 Context docBase=app2 path=/app2 reloadable=true 
source=org.eclipse.jst.j2ee.server:app2/
/Host

In the access log I'm seeing the HTTP traffic on port 8080 but not the AJP 
traffic on port 8009. I've googled around and I don't see any mention of 
specific Valve settings for AJP.

Any ideas?


And are you expecting traffic on the AJP Connector ?
For traffic to show up there, some client would need to connect to your server 
on port
8009.  Is there anything that connects to that port ?

If not, then there is nothing to worry about, and you could even comment-out 
that
Connector, since it will never be used.
Like :
!-- Connector port=8009 protocol=AJP/1.3 redirectPort=8443/ --


The AJP Connector is used in scenarios where there is another webserver used as 
a
front-end to Tomcat, and this other webserver, to pass requests to Tomcat, uses 
the AJP
protocol.  For example, a configuration like this one :

browser--  Apache httpd server-  Tomcat
 + mod_jk module
  OR + mod_proxy_ajp module

or

browser--  IIS webserver-  Tomcat
   + isapi_redirect module

If you do not use such a configuration, or you do not understand what this is 
all about,
then you don't need the AJPConnector  in Tomcat.


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Re: No access log for AJP traffic