From: David kerber [dcker...@verizon.net]
My cpu usage for tomcat
has gone from bouncing between 0 and 1 in task manager, to a steady 2
since more threads are now actually doing work instead of waiting around
for their turn at the code, my disk writes per sec in perfmon have also
more than
Hello,
Yes it works with Tuckey.org but, what about http and https?
In my urlrewrite.xml only this entry:
urlrewrite
rule
from/(.*)$/from
to type=redirecthttp://www.thenewserver.de/$1/to
/rule
/urlrewrite
But if the user came from https he should also redirected to
Hi,
Is there a way to log all the catalina.out files of tomcat hosted on
different servers to a centralized server and view it using a web Interface?
Thanks and Regards
Kaushal
Caldarale, Charles R wrote:
1. The shuppin directory is a subdirectory which is inside a ROOT
application directory, it has other sibling directories which are
working correctly.
They may appear to work correctly, but that's probably just an accident.
Each webapp should be directly
Thanks all for your help
I am stupid stupid stupid
I had my ftp set up so that even though ROOT houses my app I have ROOT and
shuppin in the same directory aswell as shuppin inside the ROOT dir so it
looked in the sibling of ROOT rather than the child of ROOT
Thanks again for your help
Mackstar wrote:
Thanks all for your help
I am stupid stupid stupid
I had my ftp set up so that even though ROOT houses my app I have ROOT and
shuppin in the same directory aswell as shuppin inside the ROOT dir so it
looked in the sibling of ROOT rather than the child of ROOT
Thanks again
This is related to the performance issues discussed in the thread
Performance with many small requests.
When I reworked my servlet to synchronize only on pieces that needed to
be synchronized, rather than on the entire request processing routine, I
am now throwing an exception when parsing a
Hello,
Date formats are not synchronized. It is recommended to create separate
format instances for each thread. If multiple threads access a format
concurrently, it must be synchronized externally.
This is from the reference of JDK API.
2009/5/11 David kerber dcker...@verizon.net
This is
From: David kerber [mailto:dcker...@verizon.net]
Subject: Trouble parsing datetime strings
Declared at the class level, I have:
private static final SimpleDateFormatsdfFullDateTime = new
SimpleDateFormat( -MM-dd HH:mm:ss );
Oops. Read the fine print for SimpleDateFormat:
From: Anamika raj [mailto:rajnam...@gmail.com]
Subject: Re: how to enable management agent on a process
i am not getting how to set
com.sun.management.jmxremote in the system property.
The basic answer is that you set it the same way you set any other Java system
property. Perhaps you
Peter Crowther wrote:
From: David kerber [dcker...@verizon.net]
My cpu usage for tomcat
has gone from bouncing between 0 and 1 in task manager, to a steady 2
since more threads are now actually doing work instead of waiting around
for their turn at the code, my disk writes per sec in perfmon
2009/5/11 David kerber dcker...@verizon.net:
This is related to the performance issues discussed in the thread
Performance with many small requests.
When I reworked my servlet to synchronize only on pieces that needed to be
synchronized, rather than on the entire request processing routine, I
From: David kerber [mailto:dcker...@verizon.net]
Subject: Re: Performance with many small requests
From what I can tell now, it looks like most of my wait time is on
socket reads. In the thread dump I took about 20 minutes ago, I didn't
see any waiting on disk writes:
The line listed
Konstantin Kolinko wrote:
...
As the JavaDoc says
http://java.sun.com/javase/6/docs/api/java/text/SimpleDateFormat.html
Date formats are not synchronized. It is recommended to create
separate format instances for each thread
You may either create a new instance of SimpleDateFormat each time,
Well, you did not mention the platform under which you are running
Tomcat, nor the Tomcat version, not the Java version, so I could only
give you general stuff.
(And if this happened to be a Tomcat running under Windows, please also
indicate how you are starting Tomcat).
Anamika raj wrote:
Caldarale, Charles R wrote:
Have you considered doing the SSL processing in the load balancer(s)? It
would make life simpler.
- Chuck
From application's perspective it really does not make much of a difference
where SSL is done - actually it does make now after your explanation -
Nenad Kovacevic wrote:
Caldarale, Charles R wrote:
Have you considered doing the SSL processing in the load balancer(s)? It
would make life simpler.
- Chuck
From application's perspective it really does not make much of a difference
where SSL is done - actually it does make now after
Nenad Kovacevic wrote:
Caldarale, Charles R wrote:
Have you considered doing the SSL processing in the load balancer(s)? It
would make life simpler.
- Chuck
From application's perspective it really does not make much of a
difference where SSL is done - actually it does
From: Nenad Kovacevic [mailto:micami...@yahoo.com]
Subject: RE: Getting the Right High Availability Architecture for
Tomcat
Our applications do not issue concurrent requests to the servers, i.e.
they are classical web applications where the user activates a control
on a page and then waits
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Alexander,
On 5/11/2009 4:56 AM, Alexander Diedler wrote:
Yes it works with Tuckey.org but, what about http and https?
In my urlrewrite.xml only this entry:
urlrewrite
rule
from/(.*)$/from
to
Actually, script tags load sequentially, I believe. (Not sure about
css.)
--
Robin D. Wilson
On May 11, 2009, at 10:28 AM, André Warnier a...@ice-sa.com wrote:
Nenad Kovacevic wrote:
Caldarale, Charles R wrote:
Have you considered doing the SSL processing in the load
balancer(s)?
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Guojun,
On 5/8/2009 5:27 PM, Guojun Zhu wrote:
What do you mean You want to ensure a session is created in
non-secure more BEFORE the user submits their credentials.?
Session id cookies are created by Tomcat in either secure mode (when
the
The tomcat5.exe is running away with just bringing up the redirect
servlet examples. No self-written Java has been added; just running the
default, full-install items from Tomcat.
I don't know what else to try. Maybe since I'm running Server 2k3R2
within VMWare with VMWare tools installed, this
From: Maze, Jeffrey S. [mailto:jm...@co.geauga.oh.us]
Subject: RE: IIS Redirect Issue
I ran the Process Explorer and have the following Thread going hay-
wire.
tcnative-1.dll!Java_org_apache_tomcat_jni_OS_info+0xa236
tcnative-1.dll!Java_org_apache_tomcat_jni_Poll_poll+0xc6
It could
Thanks for the reply..
Originally, I wasn't sure how to accomplish this, but after googling a
found what he meant.
I just ended up renaming the file and now the Tomcat server doesn't go
into runaway during a IIS redirect. Thanks!
But I have another question, what exactly does this
From: Maze, Jeffrey S. [mailto:jm...@co.geauga.oh.us]
Subject: RE: IIS Redirect Issue
what exactly does this tcnative-1.dll file do?
It's the same HTTP[S] handling code that's in httpd, which is why it's called
Apache Portable Runtime.
What are the advantages/disadvantages/security issues
I have a Java application running under Tomcat 6.0.18
on Ubuntu. This is using Sun's 1.6.0_07 JVM. I know
how to set the max heap space by setting -Xmx256m
in CATALINA_OPTS. But with a lot of sessions, I still
have the possibility of running out of heap space. My
application uses a lot of
I think the results are going to be pretty erratic.
The issue that I see is that the garbage collector operation is (to my
knowledge) not deterministic.
IOW, you're not really accounting for memory that could be garbage
collected. So, I think that you'll have a systematic bias showing less
No matter what I do...I always get an 'HTTP Status 403 - Access to the
requested resource has been denied error' displayed after authenticating in
Tomcat with JAAS. Here is my configuration.
Tomcat 6.0.x
server.xml:
...
Host name=localhost appBase=webapps unpackWARs=true
autoDeploy=true
Update.
It looks like the problem is with the Tomcat Realm configuration. If I move
the jar that contains these custom classes to the Tomcat lib folder then it
works!
However this is not a workable solution. I can't deploy jars like this.
How can I delay JAAS realm configuration to my web app?
From: Todd Hivnor [spambox_98...@yahoo.com]
I would like to proactively avoid running out of heap
space. I would like people get a Server Too Busy
message, _before_ the heap is actually exhausted.
I would rather serve 40 users well than 45 users
poorly.
Rather than monitor memory, which is
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Robin,
On 5/11/2009 11:47 AM, Robin Wilson wrote:
Actually, script tags load sequentially, I believe. (Not sure about
css.)
That's a pretty bold statement. The truth is, it's complicated.
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Umesh,
On 5/8/2009 9:03 PM, umeshkavade wrote:
In my web application, I am using tomcat's form based authentication for
protecting my secure web pages. Thus whenever user starts accessing webapp
by providing an URL of protected page, it is
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David,
On 5/11/2009 10:22 AM, David kerber wrote:
From the quick
reading I did, I imagine that will give me a bit of a performance hit
compared to using ThreadLocal, but since I've never used the ThreadLocal
pattern before, I didn't want to try
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Peter,
On 5/8/2009 7:26 AM, Peter Crowther wrote:
Decrypt: parallel.
Send ack: parallel.
Increment counters: synced.
Write to log file: synced (or you'll have some very odd stuff happening).
I'd go further and suggest that you re-factor your
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André,
On 5/6/2009 3:19 PM, André Warnier wrote:
I can think of another : by using sticky sessions, you are forcing the
load-balancer to keep track of which session belongs to which back-end,
and to look up this table at each request. I could
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Andrew,
On 5/7/2009 3:35 PM, Andrew Davidson wrote:
My main website is in
English. I want to have a landing page in Spanish that describes my website
and invites the user to click through the English version of the web site.
Any idea how I set
I'm trying to understand mpm_worker MaxCLients and it's relationship
with mod_jk connection_pool_size.
Here's what I've got at the moment:
OS: Red Hat 5.2 Server
httpd: 2.2.11
tomcat-connector: 1.2.28
tomcat: 6.0.18
Java: 1.6.0_13
httpd-mpm.conf:
ListenBacklog 2048
IfModule
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Ties,
On 5/8/2009 2:26 AM, Ties wrote:
A website is running on server A (Tomcat 5.0) and it has to move to server B
(Tomcat 6.0.18).
I have configured everything which should be configured. But somehow the
server is not able to locate the webapp.
Christopher Schultz wrote:
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Andrew,
On 5/7/2009 3:35 PM, Andrew Davidson wrote:
My main website is in
English. I want to have a landing page in Spanish that describes my website
and invites the user to click through the English version of the web
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Ciarán,
On 5/8/2009 8:04 AM, Rowe, Ciaran (IT) wrote:
I'm not so experienced in how Java/Tomcat handle timezone matters,
but I've come across a running instance of a container which claims
to be in GMT for some webapps, and US/Eastern for others.
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Kaushal,
On 5/11/2009 6:14 AM, Kaushal Shriyan wrote:
Is there a way to log all the catalina.out files of tomcat hosted on
different servers to a centralized server and view it using a web Interface?
Yes. Tomcat provides none of this capability,
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Wouter,
On 5/9/2009 5:46 AM, Wouter D'Haeseleer wrote:
This means, no connections available anymore.
And when I look at the connections itself in oracle I see that the
following connection is using more then 200 sessions !
I think Chuck is
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George,
On 5/11/2009 5:30 PM, George Sexton wrote:
Another way of doing this is to use resource bundles. It's uglier in
some ways, but better in other ways.
The OP said he was using mostly static content, so I think the
redirection based upon
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Dmitry,
On 5/7/2009 3:07 PM, Dmitry Beransky wrote:
I want to lock down the core Tomcat installation by making it
read-only (and updateable only through a SCM). I've figured out how
to relocate temp, work, logs, webapps directories, all of which
Hi Bill,
On 11.05.2009 23:15, Bill Davidson wrote:
I'm trying to understand mpm_worker MaxCLients and it's relationship
with mod_jk connection_pool_size.
Here's what I've got at the moment:
OS: Red Hat 5.2 Server
httpd: 2.2.11
tomcat-connector: 1.2.28
tomcat: 6.0.18
Java: 1.6.0_13
Dear Chris,
Thank you very much. What we really want is that the login
username/password communicates encrypted. Everything else can be in
clear-text. (We also need the log-out, so I cannot use the digest
authentification.)
Showing a non-secure login page isn't a problem, is it? You just
Christopher Schultz wrote:
%=rb.getString(Date)% INPUT TYPE=TEXT VALUE=05/27/2009
Heh, I hope you use a Locale-specific date format otherwise you'll
confuse a lot of people. ;)
I think I have this down. You can check:
http://www.mhsoftware.com/caldemo/
and let me know...
--
George
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Mackstar,
On 5/10/2009 10:31 PM, Mackstar wrote:
Konstantin Kolinko wrote:
2) Do not use the Invoker servlet. It is a hole you won't be able to patch
See
http://wiki.apache.org/tomcat/FAQ/Miscellaneous#Q2
David Hoffer wrote:
Update.
It looks like the problem is with the Tomcat Realm configuration. If I move
the jar that contains these custom classes to the Tomcat lib folder then it
works!
However this is not a workable solution. I can't deploy jars like this.
How can I delay JAAS realm
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Guojun,
On 5/11/2009 5:49 PM, Guojun Zhu wrote:
Dear Chris,
Thank you very much. What we really want is that the login
username/password communicates encrypted. Everything else can be in
clear-text. (We also need the log-out, so I cannot
Hi,
We have recently put into production a Tomcat 5.5.27 based web site,
using JDK 1.6 (JDK 1.6.0_12-b04 on RedHat Linux). We have spent months
developing and testing the site, both by us and the customer, and
experienced no VM crashes. Now that we are in production we find the
VM is
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André-John,
On 5/11/2009 6:48 PM, Andre-John Mas wrote:
We have recently put into production a Tomcat 5.5.27 based web site,
using JDK 1.6 (JDK 1.6.0_12-b04 on RedHat Linux). We have spent months
developing and testing the site, both by us and the
On 11-May-2009, at 18:59, Christopher Schultz wrote:
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André-John,
On 5/11/2009 6:48 PM, Andre-John Mas wrote:
We have recently put into production a Tomcat 5.5.27 based web site,
using JDK 1.6 (JDK 1.6.0_12-b04 on RedHat Linux). We have spent
I am trying to use the IIS tomcat connector to act like a reverse proxy
If I hit the IIS at /MWGAT
it will forward the tomcat with /GAT
However I fail to do this
In the documentation
http://tomcat.apache.org/connectors-doc/generic_howto/proxy.html
they say I can do this
If you are using
Christopher Schultz wrote:
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Peter,
On 5/8/2009 7:26 AM, Peter Crowther wrote:
Decrypt: parallel.
Send ack: parallel.
Increment counters: synced.
Write to log file: synced (or you'll have some very odd stuff happening).
I'd go further and
Rainer Jung wrote:
Hey great, someone using recent version :)
I've been trying to stay current with the stable releases since upgrading
the app from httpd 1.3 and Tomcat 3.2.4 last year. I usually wait a
couple weeks to a month and watch the mailing lists after a release to
make sure nothing
From: Andre-John Mas [mailto:aj...@sympatico.ca]
Subject: Re: Analyzing Tomcat related VM crash?
I have added the details to the end of this e-mail.
If the hardware tests don't find anything, try running the JVM in client mode
rather than server. Historically, the server JIT has been
From: Christopher Schultz [mailto:ch...@christopherschultz.net]
Subject: Re: Tomcat and Oracle connections
I would highly recommend adding these two attributes to your
Resource:
logAbaodoned=true
removeAbandoned=true
removeAbandonedTimeout=30
While you're at it, maybe you
From: Christopher Schultz [mailto:ch...@christopherschultz.net]
Subject: Re: changing location of conf/Catalina
Not sure if you can re-locate this, but have you considered giving
read-only access to that directory for the Tomcat euid and allowing
only admins to write?
Making conf/Catalina
Okay that sounds good I'll try that. Next newbie question...will this be
server agnostic? I need to support Tomcat/JBoss/WebLogic.
-Dave
On Mon, May 11, 2009 at 4:17 PM, Pid p...@pidster.com wrote:
David Hoffer wrote:
Update.
It looks like the problem is with the Tomcat Realm
Hi,
I've started using JSTL tags in my JSP. All was good until i needed to
call a remote EJB from a servlet, store the object to a session, and
redirect to a JSP page to display the content of the remote object.
We'll just to clear things, i am able to do this properly using JSP
expressions
From: David Hoffer [mailto:dhoff...@gmail.com]
Subject: Re: How to configure Tomcat 6.0 with JAAS?
Next newbie question...will this be server agnostic?
Unfortunately not. The servlet spec does not define how realms are to be
configured, so each app server rolls its own mechanism. Note
From: Joseph dela Peña [mailto:masterkure...@gmail.com]
Subject: Tomcat 6 conflict between apache JSTL libs and glassfish
appserv-rt.jar
I'm getting a java.lang.NoSuchMethodError:
javax.el.ExpressionFactory.newInstance()Ljavax/el/ExpressionFactory;
when i add appserv-rt.jar in my lib.
You
From: David Kerber [mailto:dcker...@verizon.net]
Subject: Re: Performance with many small requests
Incrementing a counter can't be much of a synchronization bottleneck,
and if I switch to an AtomicInteger, it should be even less of one.
Actually, it won't. There's a slight performance
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