Re: job offering for a web application developer in switzerland

[Bob Hall]

--- Leon Rosenberg <[EMAIL PROTECTED]>
wrote:

> and what exactly is ment by "leistungsbezogene
> Entlöhnung" ?
> 
> leon
> 

According to Babblefish:

achievement-referred remuneration

-Bob

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Re: Programmatic Security

[Bob Hall]

--- John Caron <[EMAIL PROTECTED]> wrote:


> I guess im fishing around for anyone who has thought
> about or 
> implemented "programmatic security" instead of / in
> addition to 
> "container managed security".
> 
> Thanks for your time.
> 

John,

You might want to consider Turbine instead of
"rolling your own" "programmitic security".
If the whole package doesn't appeal to you, the
framework can provide a starting point.



-Bob



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Re: log4j in webapp hanging Tomcat?

[Bob Hall]

--- Avi Deitcher <[EMAIL PROTECTED]> wrote:

> The simple classes (a JSF backing bean and a filter)
> are set to use
> either commons-logging or log4j directly (I tried
> both). In either case,
> the moment that I uncomment any category line and
> one of my classes (the
> filter or the bean) calls log.debug("some message"),
> Tomcat freezes
> entirely. This is true whether I use log4j directly
> or commons-logging
> in my classes, and whether or not I comment or
> uncomment the first
> log4j.rootCategory line in log4j.properties. I get
> some output from the
> appender matching the pattern, and then freeze. I
> cannot access any
> context; I cannot use the manager; the only thing I
> can do is kill the
> Tomcat process.
> 
> I am at wit's end with this; it took literally days
> to narrow down that
> it was log4j's activation doing it.
> 

Avi,

You didn't mention which OS you are using.  If
it's *nix you may be able use 'truss' to get info
on exactly what Tomcat is doing when it "freezes".
BTW, a google search produced several hits for
linux impl's of solaris' truss command.  My
guess is that you'll find that Tomcat is stuck
in a "loop".

HTH,
Bob

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Re: log4j in webapp hanging Tomcat?

[Bob Hall]

--- Bob Hall <[EMAIL PROTECTED]> wrote:

> --- Avi Deitcher <[EMAIL PROTECTED]> wrote:
> 
> > The simple classes (a JSF backing bean and a
> filter)
> > are set to use
> > either commons-logging or log4j directly (I tried
> > both). In either case,
> > the moment that I uncomment any category line and
> > one of my classes (the
> > filter or the bean) calls log.debug("some
> message"),
> > Tomcat freezes
> > entirely. This is true whether I use log4j
> directly
> > or commons-logging
> > in my classes, and whether or not I comment or
> > uncomment the first
> > log4j.rootCategory line in log4j.properties. I get
> > some output from the
> > appender matching the pattern, and then freeze. I
> > cannot access any
> > context; I cannot use the manager; the only thing
> I
> > can do is kill the
> > Tomcat process.
> > 
> > I am at wit's end with this; it took literally
> days
> > to narrow down that
> > it was log4j's activation doing it.
> > 
> 
> Avi,
> 
> You didn't mention which OS you are using.  If
> it's *nix you may be able use 'truss' to get info
> on exactly what Tomcat is doing when it "freezes".
> BTW, a google search produced several hits for
> linux impl's of solaris' truss command.  My
> guess is that you'll find that Tomcat is stuck
> in a "loop".
> 
> HTH,
> Bob
> 

Looks link linux's equivalent of 'truss' is 'strace'.

-Bob

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Re: Database Connection Error Cannot create PoolableConnectionFactory

[Bob Hall]

Cameron,

You wrote:

> I have a newly installed and configured Ubuntu
> server running
> Tomcat5.5 and Mysql 5.0. This server was created in
> an attempt to
> migrate from a Red Hat server in a similar
> configuration, running the
> exact same webapp. Most of the
> configuration/classpath differences
> between the two platforms have been ironed out.
> 
> The Problem:
> 
> When our webapp trys to connect to the database on
> localhost, an exception
> 
> 'java.security.AccessControlException: access denied
> (java.net.SocketPermission localhost resolve)'
> 
> is generated.
> 

Looks like the OS is unable to resolve localhost.
Does the ubuntu server have the following in its
/ect/hosts file?

127.0.0.1localhost

-Bob

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Re: Database Connection Error Cannot create PoolableConnectionFactory

[Bob Hall]

Cameron,

> For some reason tomcat can't connect to the database
> and create a
> connection pool, even though a normal client can
> connect just fine. I
> even wrote a small java program to connect using
> JDBC, in case that
> was the problem. I used the same parameters given to
> tomcat and again,
> it works just fine.
> 

A couple of questions:

Are you running the small java test program on the
same host as the Tomcat server?

Assumming that different usernames are being used,
did you try running the test program as the user
that is running Tomcat on the Tomcat host?

-Bob

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Re: Tomcat shutdowns unexpectedly - Please help

[Bob Hall]

--- Arunan Kannan <[EMAIL PROTECTED]> wrote:

> I have found the solution to this problem.
> The problem is when we start a tomcat in solaris
> from a user shell (like
> telnet) , then when the shell quits, the tomcat
> might get stopped.
> The bourne shell gives the shutdown signal when the
> shell quits, to kill the
> tomcat process.
>  The solution to this problem is we should
> start/stop tomcat using C-shell.

Arunan,

Your Tomcat server was stopping because the
process running it received a SIGHUP signal
when the login shell exited.  This behavior
is configurable and the setting is usually
governed by security policy since you might
not want to allow all users to launch processes
that continue after they logout.

Look at the man page for 'nohup' for more info.

BTW, 'ssh' is preferred over 'telnet' for security
reasons.

-Bob

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Re: Tomcat Crashing -- how do I read the resulting hs_err_pid11598.log?

[Bob Hall]

--- Kim Albee <[EMAIL PROTECTED]> wrote:

> That's all interesting, but we're not running Fedora
> Core 4 -- we are
> running Fedora Core 3.  Secondly, I've got this
> identical environment
> running in production without incident. This
> environment on this server
> "used" to run without incident until we had to
> replace the memory, and now
> it crashes -- same config I've got running fine in
> other places -- which is
> why I'm trying to figure out what's different.  What
> I know is different is
> that this server has 4GB of RAM when all of our
> other servers have 2GB of
> RAM, so that is a difference.
> 

Kim,

Don't know off hand what the utilities are, but I
suggest performing some memory checks on the 4 Gb
box; there may be a problem with the new RAM.

-Bob

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Re: [OT] decompile java class

[Bob Hall]

"Tomcat" wrote:

--- Tomcat <[EMAIL PROTECTED]> wrote:

> Thanks Mohsen for your reply, but I can not download
> and use jad or
> other decompilers, please let me know if you know
> how to decompile
> the java class that contains another class.
> 
> Thanks

$ javap -help
$ javap -classpath

And a proper name would be nice; does your boss
call you "Tomcat"?

-Bob

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Re: [OT] how to over come toomanyconnection error when communicatingMYSQL

[Bob Hall]

--- prakash shanmugam <[EMAIL PROTECTED]> wrote:

> hai all,
> i have one major issue in my project..
> My project is developed using jsp,servlets in
> Tomcat5 with MySql as
> database.. i am using type1 driver
> My project is now used by end users in intranet..
> When multiple users are accessing at the same time
> ,its throwing too many
> connections exception at sometimes . And at
> sometimes its dispaying error as
> "Operation not allowed after ResultSet is closed"
> i dont know how to rectify this .. Can anybody help
> me to overcome this..

Prakash,

Your code has to be reworked to be usable.
As written, users are "stepping on one another"
in too many places to list.

You should take a look at a fairly robust
example and rewrite your code accordingly.

Guidelines: (see example)
 - Connection, Statement, ResultSet vars must
   have method scope
 - obtain, use, and close a Connection
   in a single method
 - after your application is successfully supporting
   multiple users look into using a Connection pool
   to improve performance

Example:


-Bob
  

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Re: Does using Kerberos with Tomcat reduce my security?

[Bob Hall]

--- "P. Douglas Reeder" <[EMAIL PROTECTED]> wrote:

> After some effort, I've managed to set up a
> JAASRealm that draws its
> account information from our Kerberos server
> (Krb5LoginModule,
> connecting to Open Directory on OS X Server 10.3.9).
> 
> One of the key security properties of Kerberos is
> that passwords are
> never sent over the network, even in encrypted form.
>  However, since
> users interact with Tomcat using HTTP, I think
> passwords are sent in
> the clear, if using Basic authentication and
> encrypted if using Digest
> authentication.  In either case, it would appear
> that I'm not
> preserving the level of security I had with the
> Kerberos setup before.
> 
> So, would it make more sense to use account
> information from our Linux
> machine (JAASRealm with UnixLoginModule), since that
> is sent over the
> network in encrypted form when users login via ssh? 
>  Is Digest
> authentication about as secure as SSH?
> 
> If not, what's the easiest kind of Realm to set up
> which stores
> passwords in an encrypted form, for a half dozen
> users?
> (UserDatabaseRealm is right out.)
> 

Doug,

Can your app use HTTPS instead of HTTP?

If yes, then you can (which you may already know)
add a  element to your app's
web.xml.

-Bob



   

 
OSUstudent
  Student access
  /student/*
  HEAD
  GET
  POST
  PUT
  DELETE


  These are the coarse-grained roles
that
enable a subject to pass the JAAS login stack.
  
  OSUActiveStudent


  This app will use https in the
/student subtree
 
CONFIDENTIAL

  


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Re: How to disable search machines?

[Bob Hall]

--- Zsolt <[EMAIL PROTECTED]> wrote:

> Hi,
> 
> I see that google and msn searches on our pages
> (tomcat-5.5.17). How can I
> disable that?
> 
> Zsolt
> 

Zsolt,

See "go away" example on


- Bob

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RE: Database connection pooling in Tomcat 5.5

[Bob Hall]

--- Darren Hall <[EMAIL PROTECTED]> wrote:

> Further progress...
> When I connect to the database directly (not using a
> connection pool) and
> specify the same username and password below, the
> code executes fine. When I
> try to do the context lookup and connect to the
> database via the connection
> pool, I get the "invalid username/password; logon
> denied" error. This leads
> me to believe the error is in my configuration (or
> my code).
> What am I doing wrong here??

Is the DB url *exactly* the same in the two cases,
DBCP and non-DBCP?

-Bob

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RE: New session PER REQUEST

[Bob Hall]

--- Darren Hall <[EMAIL PROTECTED]> wrote:

> Peter,
> You are correct. When hitting Tomcat directly, the
> session remains intact.
> When using mod_proxy to forward requests to Apache
> the session is lost.
> Is this a common issue? How can I go about
> correcting this?
> 
> Thanks
> - D

I don't have any experience with mod_proxy.
Have you tried mod_jk?

-Bob

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Re: New session PER REQUEST

[Bob Hall]

Maurice Yarrow wrote:

> I'm fronting tomcat 5.0.28 with apache 2.0.59 through mod_proxy.
> I am not seeing loss of session persistence:  here are the values
> of HttpSession.getId(), as seen in a typical succession of the
> servlets, and also, one of the JSP's:
>
>  SelectPubImgSetServlet: 
> thisUser.getId()=303D62BDCC86A5BC6D8218364F513A09
>  DisplayPubGalleryServlet: 
> thisUser.getId()=303D62BDCC86A5BC6D8218364F513A09
>  GetPubSmallServlet: thisUser.getId()=303D62BDCC86A5BC6D8218364F513A09
>  PassWordCheckServlet: thisUser.getId()=303D62BDCC86A5BC6D8218364F513A09
>  SelectPhotoClub.jsp: thisUser.getId()=303D62BDCC86A5BC6D8218364F513A09
>  EditGalleryServlet: thisUser.getId()=303D62BDCC86A5BC6D8218364F513A09
>
> I can't, of course, tell you why you are not seeing persistent session 
> id's, but I believe
> the above shows that this is normal for my webapp.  I do not believe 
> that I am doing
> anything unusual, here, just the usual
>
>  HttpSession thisUser = GetPubSession( request, response, true );
>
> In fact, for the login/https side of my webapp, I rely on this to 
> determine
> authorization.  Note that going from http to https, the same session is
> persisted, going the other way, one cannot rely on this - an artifact of
> the security specification in J2EE).
>
> Maurice Yarrow

Maurice, thanks for the concientous effort.

However, your responses should be addressed to "Darren Hall".
(no relation that I'm aware of)

-Bob Hall









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Re: Asking Again: What's the "xmlValidation" Attribute for?

[Bob Hall]

Bob,

Here's a site that shoule shed some light on your
xml validation question:



HTH,
Bob

--- Bob Bronson <[EMAIL PROTECTED]> wrote:

> I'm using TC 5.5.12.
> 
> Please look at this snippet from the server.xml that
> is distributed
> with TC:
> 
>   
> unpackWARs="true" autoDeploy="true"
> xmlValidation="false" xmlNamespaceAware="false">
> 
> 
> Can anyone tell me what the 'xmlValidation'
> attribute on  is for? 
> I realize it has something to do with "XML
> validation", but what XML is 
> it referring to? Is it the corresponding web.xml?
> And how does the 
> 'xmlNamespaceAware' attribute fit in?
> 
> And what's the comment about the Xerces 2.2 parser?
> I'm using Sun's JDK
> 1.5.0. Does it use Xerces internally?
> 
> When I set the 'xmlValidation' attribute to 'true' I
> get a big stack
> trace. One would think it might be appropriate to
> offer a nice error
> message describing the problem.
> 
> I've looked at the latest TC documentation for
>  and it makes no
> mention of the 'xmlValidation' attribute:
>
http://tomcat.apache.org/tomcat-5.5-doc/config/host.html
> 
> Can someone please explain these two attributes? My
> web.xml is getting
> unwieldy and I'd like to start validating it.
> 
> Thanks very much.
> 
> --
> Bob Bronson
> 
> 
> 
>
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Re: Tomcat not starting

[Bob Hall]

Nehal,

Please supply versions of Java and Tomcat that
you are using.

- Bob

--- Nehal Sangoi <[EMAIL PROTECTED]> wrote:

> Infact, i am unable to start all tomcat instances
> and result is follwoing
> error
> Pls help!!
> 
> 
> Hi,
> 
> I am unable to start one of my tomcat instances. But
> its getting crashed
> before it starts. Follwoing are the errors found.
> 
> 
> Oct 31, 2005 12:09:47 AM
> org.apache.tomcat.util.digester.Digester
> startElement
> SEVERE: Begin event threw error
> java.lang.NoClassDefFoundError:
> org/apache/naming/TransactionRef
> at
>
org.apache.catalina.core.StandardServer.(StandardServer.java:94)
> at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcces
> sorImpl.java:39)
> at
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc
> torAccessorImpl.java:27)
> at
>
java.lang.reflect.Constructor.newInstance(Constructor.java:494)
> at
> java.lang.Class.newInstance0(Class.java:350)
> at
> java.lang.Class.newInstance(Class.java:303)
> at
>
org.apache.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule.java
> :205)
> at
>
org.apache.tomcat.util.digester.Rule.begin(Rule.java:152)
> at
>
org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1275)
> at
>
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Ab
> stractSAXParser.java:533)
> at
>
com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(XML
> DTDValidator.java:798)
> at
>
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanS
> tartElement(XMLDocumentFragmentScanner
> Impl.java:878)
> at
>
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$ContentDispat
> cher.scanRootElementHook(XMLDocumentSc
> annerImpl.java:1157)
> at
>
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$Fragm
> entContentDispatcher.dispatch(XMLDocum
> entFragmentScannerImpl.java:1794)
> at
>
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanD
> ocument(XMLDocumentFragmentScannerImpl
> .java:368)
> at
>
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Con
> figuration.java:834)
> at
>
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Con
> figuration.java:764)
> at
>
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:14
> 8)
> at
>
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractS
> AXParser.java:1242)
> at
>
org.apache.tomcat.util.digester.Digester.parse(Digester.java:1561)
> at
>
org.apache.catalina.startup.Catalina.load(Catalina.java:473)
> at
>
org.apache.catalina.startup.Catalina.load(Catalina.java:509)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> at
>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
> )
> at
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
> .java:25)
> at
> java.lang.reflect.Method.invoke(Method.java:585)
> at
>
org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:243)
> at
>
org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:408)
> java.lang.reflect.InvocationTargetException
> at
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> at
>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
> )
> at
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
> .java:25)
> at
> java.lang.reflect.Method.invoke(Method.java:585)
> at
>
org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:243)
> at
>
org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:408)
> Caused by: java.lang.NoClassDefFoundError:
> org/apache/naming/TransactionRef
> at
>
org.apache.catalina.core.StandardServer.(StandardServer.java:94)
> at
>
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> 
> 
>
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RE: Tomcat not starting

[Bob Hall]

Nehal,

You probably need to reinstall Tomcat.  See comment
at end of:

<http://issues.apache.org/bugzilla/show_bug.cgi?id=32931>

- Bob

--- Nehal Sangoi <[EMAIL PROTECTED]> wrote:

> Hi,
> 
> I am using :
> 
> jakarta-tomcat-5.5.9
> jdk1.5.0
> Solaris10
> 
> Please do help -- my Tomcat environment has
> crashed.
> 
> -Original Message-
> From: Bob Hall [mailto:[EMAIL PROTECTED]
> Sent: Monday, October 31, 2005 12:14 PM
> To: Tomcat Users List; [EMAIL PROTECTED]
> Subject: Re: Tomcat not starting
> 
> 
> Nehal,
> 
> Please supply versions of Java and Tomcat that
> you are using.
> 
> - Bob
> 
> --- Nehal Sangoi <[EMAIL PROTECTED]> wrote:
> 
> > Infact, i am unable to start all tomcat instances
> > and result is follwoing
> > error
> > Pls help!!
> >
> >
> > Hi,
> >
> > I am unable to start one of my tomcat instances.
> But
> > its getting crashed
> > before it starts. Follwoing are the errors found.
> >
> >
> > Oct 31, 2005 12:09:47 AM
> > org.apache.tomcat.util.digester.Digester
> > startElement
> > SEVERE: Begin event threw error
> > java.lang.NoClassDefFoundError:
> > org/apache/naming/TransactionRef
> > at
> >
>
org.apache.catalina.core.StandardServer.(StandardServer.java:94)
> > at
> >
>
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> > Method)
> > at
> >
>
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcces
> > sorImpl.java:39)
> > at
> >
>
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc
> > torAccessorImpl.java:27)
> > at
> >
>
java.lang.reflect.Constructor.newInstance(Constructor.java:494)
> > at
> > java.lang.Class.newInstance0(Class.java:350)
> > at
> > java.lang.Class.newInstance(Class.java:303)
> > at
> >
>
org.apache.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule.java
> > :205)
> > at
> >
>
org.apache.tomcat.util.digester.Rule.begin(Rule.java:152)
> > at
> >
>
org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1275)
> > at
> >
>
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Ab
> > stractSAXParser.java:533)
> > at
> >
>
com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(XML
> > DTDValidator.java:798)
> > at
> >
>
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanS
> > tartElement(XMLDocumentFragmentScanner
> > Impl.java:878)
> > at
> >
>
com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$ContentDispat
> > cher.scanRootElementHook(XMLDocumentSc
> > annerImpl.java:1157)
> > at
> >
>
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$Fragm
> > entContentDispatcher.dispatch(XMLDocum
> > entFragmentScannerImpl.java:1794)
> > at
> >
>
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanD
> > ocument(XMLDocumentFragmentScannerImpl
> > .java:368)
> > at
> >
>
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Con
> > figuration.java:834)
> > at
> >
>
com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Con
> > figuration.java:764)
> > at
> >
>
com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:14
> > 8)
> > at
> >
>
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractS
> > AXParser.java:1242)
> > at
> >
>
org.apache.tomcat.util.digester.Digester.parse(Digester.java:1561)
> > at
> >
>
org.apache.catalina.startup.Catalina.load(Catalina.java:473)
> > at
> >
>
org.apache.catalina.startup.Catalina.load(Catalina.java:509)
> > at
> >
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> > Method)
> > at
> >
>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
> > )
> > at
> >
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
> > .java:25)
> > at
> > java.lang.reflect.Method.invoke(Method.java:585)
> > at
> >
>
org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:243)
> > at
> >
>
org.apache.catalina.startup.Bootstrap.main(Boots

Re: JDBC/MySQL user login goes stale

[Bob Hall]

--- "David W. Brown" <[EMAIL PROTECTED]> wrote:

> Hello TC dev and Gurus, I have a webapp comprised of
> several Servlets and JSP pages. The webapp is
> functioning very well but after a few hours of no
> connections or interaction the TC webapp loses its
> connection with the MySQL DB. We are using the
> server.xml defined JDBC/MySQL security model using
> the users and user_roles tables DB structure. The
> logins work perfectly until a few hours of (like
> overnight) in attendance. Even thought the TC
> Servlet server is still up and running logins all
> fail. After restarting TC the login mechanism works
> perfectly. Particulars follow. Please advise.
> 
> TC Servlet server 5.5.7
> MySQL 4.1
> 
> OS Windows XP (whistler).
> 

David,

MySQL closes connections after several hours of
inactivity.
Try adding 'autoReconnect=true' to your "connect"
string.

- Bob




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Re: WSDLReader:Analyzing the WSDL file failed

[Bob Hall]

Mukesh,

This may merely be a typo in your message;



should be:



- Bob


--- mukesh <[EMAIL PROTECTED]> wrote:

> Hi friends,
> 
>  
> 
> I am able to access my web service
> (deployed on tomcat5.512 ,
> using axis1.3) from tomcat 4.1 using Axis1.3.
> 
>  
> 
> But following error is coming when
> trying to call from VB using
> MSSoap Client, running IIS on WIN NT
> 
>  
> 
> WSDLReader:Analyzing the WSDL file failed
> HRESULT=0x80004005 -
> WSDLReader:Initialization of service failed
> HRESULT=0x80004005 -
> WSDLService:Initialization of the port for service
> HungamaMWSService failed
> HRESULT=0x80004005 - WSDLPort:Analyzing the binding
> information for port
> hungamamws failed HRESULT=0x80004005 - WSDLPort:An
> operation for port
> hungamamws could not be initialized
> HRESULT=0x80004005 -
> WSDLOperation:Initializing of the input message
> failed for operation
> deliverMOMessage HRESULT=0x80004005 -
> WSDLOperation:Initialization of a
> SoapMapper for operation deliverMOMessage failed
> HRESULT=0x80004005 -
> SoapMapper:The SoapMapper for element string could
> not be created
> HRESULT=0x80004005 - SoapMapper:The schema
> definition with a targetnamespace
> of http://schemas.xmlsoap.org/soap/encodin
> 
>  
> 
> Please advice.
> 
>  
> 
> Regards,
> 
> Muesk 
> 
> 





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Re: Download file Problem - 404 error

[Bob Hall]

--- DEEPA M N <[EMAIL PROTECTED]> wrote:

>   Hi 
>   I m using Jdk1.5 and Tomcat 5.0.28 for my proj. I
> have written a code which can download a file from
> the server. The code is compiling properly. I pasted
> the .class file in the
> webapps/DownloadFile/WEB-INF/classes/  
>   Also i hav written web.xml in the WEB-INF folder. 
>   After running a appln, i get 404 Resource not
> found error.
>
>   Before i hav worked on servlet and tomcat, i was
> not getting such issues before. But now i m facing
> such type of issues, i need to solve it as early as
> possible. Here is a web.xml lines:
>
>   
>PUBLIC "-//Sun Microsystems, Inc.//DTD Web
> Application 2.3//EN"
> "http://java.sun.com/dtd/web-app_2_3.dtd";>
>   
>   Tomcat Documentation
>   
>  Tomcat Documentation.
>   
>   
> 
> DownloadFiles
> DownloadFiles
> 
>   
>  
> DownloadFiles
>
> /servlet/DownloadFiles
> 
> 
>
>   Pls do let me know how can i solve this prob.
>   I always appreciate ur help.
>   Thanks in advance.
>
>   Deepa

Deepa,

Your servlet must be in a package to work with Java
1.4
and greater.

After placing DownloadFiles in a package:
(com.deepa.servlet)


  DownloadFiles
 
com.deepa.servlet.DownloadFiles


- Bob

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RE: Download file Problem - 404 error

[Bob Hall]

Deepa,

As someone pointed out in an earlier post you need to
include the following in your DownloadFile.java file:
(usually, as the first line)

package com.deepa.servlet;

You would also normally place DownloadFiles.java in
a directory that ended in com/deepa/servlet.  In
WinSpeak:
D:\data\eclipse\workspace\com\deepa\servlet\DownloadFiles.java

After a successful compile,
com\deepa\servlet\DownloadFiles.class
should be copied to the WEB-INF\classes directory of
your
web app.

- Bob

>   -Original Message- 
>   From: DEEPA M N [mailto:[EMAIL PROTECTED] 
>   Sent: Tue 1/31/2006 11:43 AM 
>   To: Tomcat Users List 
>   Cc: 
>
D:\Tomcat5.0\jakarta-tomcat-5.0.28\webapps\DownloadFile\WEB-INF\classes>java
> com.deepa.servlet.DownloadFiles
>   Exception in thread "main"
> java.lang.NoClassDefFoundError:
> com/deepa/servlet/DownloadFiles (wrong name:
> DownloadFiles)


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RE: session GC

[Bob Hall]

John,

The simple and intuitive solution that Hansen
provided can be used to log when an HttpSession
instance is GC'd since the objects that instance
holds *unique* references to will also be GC'd.

So, the question becomes, which classes are
holding references to HttpSession objects and
preventing them from being GC'd?

We used a tool years ago to analyze the heap when
we were tracking down some elusive memory issues.
Heap Analysis Tool: 

-Bob

--- John Powers <[EMAIL PROTECTED]> wrote:

> thats not what i'm talking about.
> 
> after a session times out...  tomcat removes it from
> its list of sessions.  a session listener will show
> that it leaves.
> 
> however, a GC then needs to see if its available for
> collection on the next go around of the GC.if i
> force the GC, or whenever it decides to happen, my
> objects under the session aren't being collected.
> 
> so then.   how can you know when the session itself
> is collected (not timed out)
> 
> 
> 
> -Original Message-
> From: Farrow, Marc [mailto:[EMAIL PROTECTED]
> Sent: Fri 3/31/2006 5:36 PM
> To: Tomcat Users List
> Subject: RE: session GC
>  
> easiest way to make sure they are GC'd is to set
> session time-outs.
> 
> -Original Message-
> From: John Powers [mailto:[EMAIL PROTECTED]
> Sent: Friday, March 31, 2006 6:07 PM
> To: Tomcat Users List
> Subject: session GC
> 
> 
> How do you know when a session is garbage collected?
> You can write a sessionlistener for when it gets
> deleted out of tomcat,
> but after that, when do you know if its garbage
> collected?
> 
> I currently do not think my sessions are being
> collected.   Within a day
> 500M of memory get eaten up and I can't collect them
> manually even.  So
> I want to know when/if the sessions are being
> collected.
> 
> If I wrote a subclass to httpsession, how could get
> tomcat to use it?


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Re: index.jsp not showing after successful installation

[Bob Hall]

--- balaraju mandala <[EMAIL PROTECTED]>
wrote:

> Hi Nic,
> 
> Its me again, You suggested to check weather Tomcat
> was started as service,
> i am starting Tomcat by issuing a command at SSH
> (tomcat/bin/./startup.sh).
> Is this is correct one to start Tomcat as service or
> i have to do another
> way to start tomcat as service.
> 
> regards,
> Bala
> 

Bala,

Using startup.sh on yuour linux box should be fine.

Does catalina.out end with a report of the port(s)
that Tomcat is using?  WHich ports?

What URL are you entering into the browser?

What response are you getting in the browser?
timeout, Http404 ?

-Bob




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Re: index.jsp not showing after successful installation

[Bob Hall]

--- balaraju mandala <[EMAIL PROTECTED]>
wrote:

> Hi Bob,
> 
> Thanks for your response.
> 
> catalina.out file is not ending with any error
> messages. It is showing that,
> Tomcat started successfully with some millesecond
> time. I am using 8080 port
> for Tomcat. I am entering http://myip:8080 in the
> browser. But simple error
> page is displaying. No 404 or any special errors
> from Tomcat.
> 
> Regards,
> Bala.
> 

Bala,

Your catalina.out should contain something like:

INFO: Starting Coyote HTTP/1.1 on http-8080

It may also contain something like:

INFO: JK2: ajp13 listening on /0.0.0.0:8009

grep for "Coyote HTTP" and "ajp13 listening" in
your catalina.out and let us know what you find.
You should also grep for "Exception" in catalina.out.

Some more questions:

1. What browser are you using?

2. Is the browser running on the same system that
   is hosting Tomcat?

3. Is there a firewall in place on the linux
   box that is hosting Tomcat?

4. What exactly is the text on the "simple error
page"?

-Bob

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Re: index.jsp not showing after successful installation

[Bob Hall]

--- balaraju mandala <[EMAIL PROTECTED]>
wrote:

> Bob,
> 
> The ending messages in catalina.out are -->
> 
>  Apr 10, 2006 1:48:20 AM
> org.apache.coyote.http11.Http11Protocol start
> INFO: Starting Coyote HTTP/1.1 on http-8080
> Apr 10, 2006 1:48:20 AM
> org.apache.jk.common.ChannelSocket init
> INFO: JK2: ajp13 listening on /0.0.0.0:8009
> Apr 10, 2006 1:48:20 AM org.apache.jk.server.JkMain
> start
> INFO: Jk running ID=0 time=0/24
>
config=/home/wizon555/Softwares/tomcatsoftware/jakarta-tomcat-5.0.28
> /conf/jk2.properties
> Apr 10, 2006 1:48:20 AM
> org.apache.catalina.startup.Catalina start
> INFO: Server startup in 2742 ms
> 
> and there are no 'Exceptions' in catalina.out. I am
> using Internet Explorer
> 6. I am connecting to remotly located system, where
> i installed Tomcat and
> trying to access it from my System. There is no
> Physical firewall present
> for that server, a software was installed, but
> though i disabled software
> firewall result is same.
> 
>  -Bala
> 

Bala,

Looks like a clean startup of Tomcat - good.

What is the text of the error message that appears
when you attempt to reach Tomcat from IE6 on a remote
host?

Can you run a browser on the linux host and attempt
to access Tomcat via:   ?

-Bob


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Re: Changing tomcat's group [OT]

[Bob Hall]

--- Eric Haszlakiewicz <[EMAIL PROTECTED]> wrote:

> On Thu, Apr 27, 2006 at 04:55:40PM -0400, Aria
> Bamdad wrote:
> > I have several applications running in different
> directories.  Each
> > application is owned by a different linux
> owner/group.  In order for
> > Tomcat to be able to read these files to serve
> them, the Tomcat has
> > as it's secondary groups, the group names of each
> application.
> > 
> > The problem I am having is that when any of the
> applications create
> > a file, the file created has the owner/group
> tomcat:tomcat which
> > prevents the application owner from accessing the
> file directly
> > (as a logged in linux user).
> > 
> > How do others address this problem? Is there a way
> to have Tomcat
> > dynamically switch 'group' before serving somthing
> from each application?
> 
>   If the files are in separate directories, it might
> work to just
> make sure the directory is owned by the appropriate
> group.  Under NetBSD
> that seems to ensure that any files created are
> owned appropriately,
> but I'm not sure how it works under linux.  You
> might need to do a
> "chmod g+s" on the directory.
> 
> eric
> 
> 

How about making each application owner a member
of the 'tomcat' group.

Then set the group permissions as read-only on
the dirs/files:

$ chmod -R g-w 

If you want to share the ability to write to
a given app's dirs/files then you need to do more:

# allow members of tomcat group to write
$ chmod -R g+w 

# set group "sticky-bit"
$ find . -type d | xargs chmod -R g+s 

You'll also need to somehow require that all
app owners set their umask to 002 so that files
and dirs created by them in the tomcat group app
dirs are writeable by other tomcat group members.

$ umask 002

Overall, it's much simpler if the app owners
only have read rights.

-Bob

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Re: Changing tomcat's group [OT]

[Bob Hall]

--- Aria Bamdad <[EMAIL PROTECTED]> wrote:

> On Thu, 27 Apr 2006 20:09:44 -0700 (PDT) Bob Hall
> said:
> >
> >How about making each application owner a member
> >of the 'tomcat' group.
> 
> Bob, making each app owner a member of the tomcat
> group will allow different
> app owners to look at each other's files.  For
> security, I need to keep each
> applications files secure from the other.  So, I
> can't add each owner to the
> tomcat group.  Even so, the application owner needs
> to have read/write access
> to the files created which makes matters more
> complicated.
> 
> What I need is to either have tomcat create the
> files using the appropriate
> group by maybe having tomcat do a 'newgrp' before
> executing an application
> request.  Is this possible?  Is there a way to do a
> post- or pre- script
> before running a request in tomcat?
> 
> Thanks.
> Aria.
> 
>

The 'newgrp' command starts another shell within
the current one, whcich won't work AFAIK.

However, you should still be able to accomplish what
you want.

- For each app-dir -

# 1. Ensure all files/dirs  have correct owner &
group:

$ chown -R  
$ chgrp -R  

# 2. Ensure all file/dirs are group writeable:

$ chmod -R g+w 

# 3. Set group "sticky-bit" for app's dirs:

$ find . -type d | xargs chmod -R g+s 

Step 3 should force all files/dirs created in
an  to have the specified .
This will allow an app-owner full access to files
created by the tomcat user.

You'll also need to require that all app owner
accounts have their umask set to 002.  Otherwise
an app-owner account could create a file that would
be read-only for the tomcat user which might produce
problems when running Tomcat.  ($ umask 002)

-Bob

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Re: Changing tomcat's group

[Bob Hall]

--- Aria Bamdad <[EMAIL PROTECTED]> wrote:

> 
> Solved!!!
> 
> The solution is to use the linux group sticky bit to
> force any files
> created in a directory (and subdirectories) to have
> the same group
> as the parent.  For example let's say there are two
> applications,
> one for accounting and one for payroll.  If you
> create a directory
> for accounting and one for payroll, each belonging
> to their own
> group and tomcat belonging to both groups, then
> tomcat can read the
> files in both directories but when it creates a
> file, it ends up
> being tomcat user and tomcat group.  If you change
> the settings on the
> two directories as follows:
> 
> chmod g+ws /accounting
> chmod g+ws /payroll
> 

Aria, good to know the problem is solved.
Wish I had seen your latest post before replying
a few minutes ago.

To set the group sticky bit on dirs from 'app' down:

$ find ./app -type d | xargs chmod g+s

-Bob

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Re: Retrieve certain session data inside a servlet

[Bob Hall]

--- Carlos Alonso Vega <[EMAIL PROTECTED]> wrote:

> 
> I am trying to obtain data about a session inside a
> servlet, the code 
> seems to be simple as
> 
> localSession =
> Ctx.getManager().findSession(sessionId);
> 
> My problem is that I do not know how to obtain the
> Ctx object from a 
> request (HttpServletRequest)
> 
> Thanks in advance
> 

Carlos,

To obtain the HttpSession for the current request:

HttpSession sess = req.getSession();
OR
boolean create = false;  (or true)
HttpSession sess = req.getSession(create);

HTH,
Bob

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Re: Retrieve certain session data inside a servlet

[Bob Hall]

Carlos,

The javadoc indicates that the methods are deprecated,
but it looks like you could use:

HttpSession mySess = request.getSession();

// getSessionContext() is deprecated
HttpSessionContext sessCtx =
mySess.getSessionContext();

// getSession(String) is deprecated
HttpSession otherSess =
sessCtx.getSession("otherSessId");

-Bob

--- Carlos Alonso Vega <[EMAIL PROTECTED]> wrote:

>  Thanks for the reply. My problem is that the
> session info I need is not 
> of the session that makes the request. I need to
> check other sessions in 
> the same context.  I can use the request because it
> is in the same 
> context, so the manager is the same.

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Re: Urgent...

[Bob Hall]

--- Christian Jean <[EMAIL PROTECTED]> wrote:

> I've been successfully using various version of
> Tomcat for serveral years
> with the same certificate... all worked well.
> 
> I wanted to test the stability of Tomcat 5.5.17, so
> I installed in on the
> same server but renamed all the 8XXX ports to 9XXX
> so that it could be run
> in parallel to the 5.0.28 server.  When I started
> the 5.5.17 server, I
> noticed that I could not get the HTTPS (SSL) pages
> working correctly.  The
> normal HTTP pages were working correctly though.
> 
> Then the real trouble started!!  I could not load
> any HTTPS pages from any
> server thereafter...
> 
> The SSL pages DID work on the 5.0.28 prior to
> testing the 5.5.17, but now
> HTTPS no longer works at all.  When trying to load
> the ssl pages from the
> browser it says nothing... just a timeout occures.
> 
> The logs don't show a single trace that something (a
> page) was not properly
> sent.
> 
> Using 'netstat -ln' shows that the ports are
> successfully bound.
> 
> The only message I'm capable of getting is with
> lynx:
> 
>  bash>   lynx https://localhost:8443
> 
> Will display the following line:
> 
>   SSL error:Can't find common name in
> certificate-Continue? (y)
> 
> Appart from installing and running server 5.5.17,
> nothing has changed on my
> server, so its weird that my production 5.0.28
> should stop working because
> of this test???
> 

Christian,

You mention that no other changes were made on
the server, but did you happen to also install
jdk/jre 1.5 and/or change JAVA_HOME?

-Bob

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Re: Running Multiple Jboss Instance on a single Windows Box

[Bob Hall]

--- "Sanjeev Kumar Bhat, Noida" <[EMAIL PROTECTED]> wrote:

> Is it possible to run multiple instances of Jboss
> Server on a single win2k box?
> 
> Thanks
> 
> Sanjeev
> 

Yes.

You should use server/service-bindings.xml to
orchestrate
port # assignment.

-Bob

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Re: What a wonderfull world ..

[Bob Hall]

And thanks to George Weiss & Bob Thiele for writing it and
and to Louis 'Satchmo' Armstrong for performing it.



-Bob

- Original Message 
From: Almir Kazazic <[EMAIL PROTECTED]>
To: Tomcat Users List 
Sent: Saturday, December 30, 2006 11:16:04 AM
Subject: Re: What a wonderfull world ..

thanks

On 12/30/06, Vijay Hatewar <[EMAIL PROTECTED]> wrote:
> WHAT A WONDERFUL WORLD
>
>  I see trees of green, red roses too
>  I see them bloom for me and you
>  And I think to myself, what a wonderful world
>
>  I see skies of blue and clouds of white
>  The bright blessed day, the dark sacred night
>  And I think to myself, what a wonderful world
>
>  The colours of the rainbow, so pretty in the sky
>  Are also on the faces of people going by
>  I see friends shakin' hands, sayin' "How do you do?"
>  They're really saying "I love you"
>
>  I hear babies cryin', I watch them grow
>  They'll learn much more than I'll ever know
>  And I think to myself, what a wonderful world
>  Yes, I think to myself, what a wonderful world
>
>  Oh yeah
>
>  Happy new Year .. Enjoy life ..Love thyself and others
>
>
> Thanks & Regards,
>
>  Vijay G Hatewar
> |Member of Technical Staff - TQE|Persistent Systems Pvt, Ltd., Pune.|
> |Ph: +91 .20 .3023.5331| Mobile: +91.9890678168| @:
> [EMAIL PROTECTED]| 
>
>
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> ==
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Re: Is Tomcat still the reference implementation for Servlets and JSP?

[Bob Hall]

With regard to Servlet spec 2.5 see:



-Bob

--- Tim Funk <[EMAIL PROTECTED]> wrote:

> Tomcat isn't used in the RI for 2.5.
> 
> Glassfish is a fork of tomcat. So you'll notice many
> things the same.
> 
> -Tim
> 
> Jon Miller wrote:
> > Hi all,
> > 
> > Does anyone know if Tomcat is still the reference
> implementation for 
> > Servlets and JSP? I thought the Servlets 2.5 spec
> was finalized in May. 
> > Why is it taking so long for a release version of
> Tomcat that implements 
> > Servlets 2.5? Also, I don't understand how
> Glassfish can support the new 
> > specs when it embeds Tomcat.
> 
>
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> 


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Re: urgent : unsubscribe please

[Bob Hall]

Christian,

To unsubscribe, e-mail: [EMAIL PROTECTED]

which is included (near the end) in every message from the list.

-Bob

- Original Message 
From: Christian Mennequin <[EMAIL PROTECTED]>
To: Tomcat Users List ; [EMAIL PROTECTED]
Cc: Tomcat Users List ; [EMAIL PROTECTED]
Sent: Tuesday, January 9, 2007 11:38:51 PM
Subject: urgent : unsubscribe please

Cordialement,

Christian Mennequin
Barclays IRCB / DI
183 avenue Daumesnil  75575 Paris Cedex 12
Phone :  0033 (0)1.55.78.43.05
Email   : [EMAIL PROTECTED]

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Re: [OT] a Collection of beans to store sql data

[Bob Hall]

Mike,

You missed the essence of Chris's suggestion:

"3. Throw an exception in your catch(SQLException) block."

In other words, your catch block would "swallow" the SQLException
should one occur.

As written, the code cannot be compiled because there
is no explicit return statement in the catch{} block.

-Bob

- Original Message 
From: Michael Ni <[EMAIL PROTECTED]>
To: users@tomcat.apache.org
Sent: Wednesday, January 10, 2007 10:15:51 PM
Subject: Re: [OT] a Collection of beans to store sql data

hmmm there is a sqlexception in my catch block, unless i'm doing it wrong.

mike


>From: Christopher Schultz <[EMAIL PROTECTED]>
>Reply-To: "Tomcat Users List" 
>To: Tomcat Users List 
>Subject: Re: [OT] a Collection of beans to store sql data
>Date: Wed, 10 Jan 2007 21:15:50 -0500
>
>-BEGIN PGP SIGNED MESSAGE-
>Hash: SHA1
>
>Michael,
>
>Michael Ni wrote:
> > My problem is i get
> >
> > PersonNew.java:48: missing return statement
> >  }
>
>[snip]
>
> >  public Collection getPersondata( String alias, String password ) {
> >
> >Connection conn = null;
> >PreparedStatement stmt = null;
> >ResultSet rs = null;
> >Collection retValue = new ArrayList();
> >String query = "SELECT * FROM person WHERE alias = ?, password = ?";
> >try {
> >  conn = DBConnection.getDBConnection();
> >  stmt = conn.prepareStatement( query );
> >  stmt.setString( 1, alias );
> >  stmt.setString( 2, password );
> >  rs = stmt.executeQuery();
> >  while (rs.next()) {
> >PersonalInfo beanrow = new PersonalInfo();
> >beanrow.setAlias(rs.getString("alias"));
> >beanrow.setPassword(rs.getString("password"));
> >retValue.add(beanrow);
> >
> >  }
> >  return retValue;
> >}
> >catch( SQLException sqle ) {
> >  sqle.printStackTrace();
> >}
> >finally {
> >  try {if (rs != null) rs.close();} catch (SQLException e) {}
> >  try {if (stmt != null) stmt.close();} catch (SQLException e) {}
> >  try {if (conn != null) conn.close();} catch (SQLException e) {}
> >}
> >  }
>
>The problem is that you have a code path that can exit your method
>without returning a value (which is a no-no). If a SQLException is
>thrown inside your try block, it will be caught, logged, and then the
>method exists with no return value.
>
>You have several options:
>
>1. Put a catch-all "return" at the very end of the method
>(after the finally block)
>2. Put a return in your catch(SQLException) block.
>3. Throw an exception in your catch(SQLException) block.
>
>I tend to favor #3 since a SQLException usually indicates a real problem
>rather than something that is recoverable, but this may not be true
>under your particular circumstances.
>
>- -chris
>
>-BEGIN PGP SIGNATURE-
>Version: GnuPG v1.4.6 (MingW32)
>Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
>
>iD8DBQFFpZ3V9CaO5/Lv0PARAuNvAKC4+g9iHyn6U3m88e+hgBJfQ87WjgCeJAV9
>sDq1+7kNLRWpyZrZE1roQ14=
>=/ZcX
>-END PGP SIGNATURE-
>
>-
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Re: Daylight Savings 2007

[Bob Hall]

--- John Flores <[EMAIL PROTECTED]> wrote:

> Do you know where I can find some documentation on
> this subject?
> 
> 

John,

On the JRE side, see:



-Bob


 

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Re: how to make a scheduled event on tomcat

[Bob Hall]

--- Gaurav Kushwaha <[EMAIL PROTECTED]> wrote:

> I would like to have a method that will run
> every-so-often. Lets say once in
> 2 weeks. How do I do that in Tomcat ?
> 
> Thanks,
> Gaurav Singh Kushwaha

Gaurav,

Take a look at quartz:

"Quartz is an open source, job scheduler for
 integration with stand-alone java applications and
 full-scale J2EE applications. Advanced features
 include clustering and participation in container
 managed transactions."



-Bob


 

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Re: remove myself from list failure attached

[Bob Hall]

Dean,

Try: [EMAIL PROTECTED]
See the footer of the message you sent ;-)

- Bob

--- Dean Hiller <[EMAIL PROTECTED]> wrote:

> how do I get removed from list?  Sending to the
> unsubscribe mail is failing.
> thanks,
> dean
> > Date: 15 Oct 2005 02:54:42 -
> From: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> Subject: failure notice
> 
> Hi. This is the qmail-send program at apache.org.
> I'm afraid I wasn't able to deliver your message to
> the following addresses.
> This is a permanent error; I've given up. Sorry it
> didn't work out.
> 
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> Sorry, no mailbox here by that name. (#5.1.1)
> 
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> 
> Return-Path: <[EMAIL PROTECTED]>
> Received: (qmail 64253 invoked by uid 99); 15 Oct
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Re: Using placeholders in context.xml for builds

[Bob Hall]

Allistair,

You can use ant's  task with 'filtering'
enabled to accomplish what you want to do.

This can be done uing properties files or with
command line parameters.

foo.properties:
reloadable=true

command line:
$ ant -Dreloadable=true



  
 
 
  


- Bob





 



--- Allistair Crossley <[EMAIL PROTECTED]>
wrote:

> Hi,
> 
> Anyone know if you can use placeholders in context
> files, e.g
> 
>  reloadable="${tomcat.webapp.root.reloadable}"
> antiJARLocking="tomcat.webapp.root.antijarlocking"
>
antiResourceLocking="tomcat.webapp.root.antireslocking">
> 
> Currently I am using Ant to perform replacements on
> the single quoted values in full, e.g replace
> reloadable='true' with reloadable='false'
> 
>  antiJARLocking='false' antiResourceLocking='false'>
> 
> It works but it's not quite elegant,
> 
> Cheers, Allistair
> 
> 
>  
>
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Re: Tomcat in the development envrionment (avoiding undepoly / deploy)

[Bob Hall]

--- "Bruce E. Stemplewski"
<[EMAIL PROTECTED]> wrote:

> Ah just did some searching and found that Tomcat is
> for Java and I 
> should be running Apache for PHP? 
> 
> 

Bruce,

I would have thought so too, but a quick Google
search of 'Tomcat PHP' produced a 1st hit of:



Looks PHP *can* run in Tomcat.

- Bob



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Re: Please Help: Tomcat 5.5.17 SSL Help

[Bob Hall]

--- Blake Smith <[EMAIL PROTECTED]> wrote:

> I have uncommented the
> section within server.xml
> and pointed it to the location of the keystore, and
> it's password.  I even
> changed the port from 8443 to 443 and the
> corresponding forwarding value for
> 8080.

Is Tomcat listening on port 443?

$ netstat -an | grep 443

-Bob


 

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Re: can a web app discover its Service?

[Bob Hall]

--- Paul Singleton <[EMAIL PROTECTED]> wrote:

>  >> I want to deploy the same war into different
> (5.5)
>  >> Services (e.g. "test" and "live"), and want it
> to
>  >> discover where it is and behave differently.
> 
> I didn't explain *why* we want to do this, because I
> don't want to spend time debating it with folk who
> prefer to do it the other way ;-)
> 
> But here are a couple of plus points for discovery
> and self-configuration (DSC):
> 
> 1) our dev, test and demo configurations behave in
> convenient ways we don't *ever* want in our live
> apps; with DSC we are more confident that, even if
> deployment misteaks are made, we won't be
> embarrassed
> 

Paul,

If your app talks to a database, have you considered
using a database table to map IP's to deploy modes?

-Bob


 

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Re: connection pool

[Bob Hall]

--- "Gioia, Michael"
<[EMAIL PROTECTED]> wrote:

> Almost every weekend the database gets bumped and
> the java app that were
> running needs to have tomcat restarted to reconnect
> to the database thru
> the connection pool.  When we come in on Monday
> tomcat and the database
> are up and running, but the app will not connect to
> the database.
> 
> Is there a way to reestablish the connection so our
> users don't have to
> wait until we come in on Monday to restart tomcat?
> 

I haven't been following this thread in detail, so I
apologize in advance if I'm repeating anyone's
responses.

Have you looked at:


In particular, the 'validataionQuery', 'testOnBorrow',
'testOnReturn', 'testWhileIdle' parameters look
like they would be useful.

Can you supply a redacted copy of your data source
config xml?

Have you set up test DB instance and Tomcat instances
to replicate the problem so you don't have to wait
till over the weekend for it to recur?

-Bob


 

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Re: FW: TOMCAT 5.0.28 stability

[Bob Hall]

--- Dwight Farris <[EMAIL PROTECTED]> wrote:

> Quick question about memory allocation - could the
> issue described below be
> a product of the settings in the following startup
> allocation:
> 
>  
> 
> CATALINA_OPTS="$CATALINA_OPTS -Xms256m
> -Xmx1024m"
> 

A couple of questions:

 - Any Exceptions / Errors in the Tomcat log file(s)?

 - What version of Java?

I usally set starting and max memory the same; read
somewhere that garbage collection is more efficient
when that is done.

If you are running Java 5+ you may be running out
of PermGen space - check the log file(s) and the
archives for recommendations.

-Bob


 

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RE: FW: TOMCAT 5.0.28 stability

[Bob Hall]

--- Dwight Farris <[EMAIL PROTECTED]> wrote:

> Thanks for responding; I see the following lines
> recurring often in the
> Catalina_out file:
> 
> 372yes
> In the for loop on myUsers2 variables in for loop:
> 374yes In ctx == null
> BEFORE THE QUERY IN Cohorts getName 
> 
> JVM version - 1.4.2_04-b05
> 
> Dwight 
> 
> --- Dwight Farris <[EMAIL PROTECTED]> wrote:
> 
> > Quick question about memory allocation - could the
> > issue described below be
> > a product of the settings in the following startup
> > allocation:
> > 
> >  
> > 
> > CATALINA_OPTS="$CATALINA_OPTS -Xms256m
> > -Xmx1024m"
> > 
> 
> A couple of questions:
> 
>  - Any Exceptions / Errors in the Tomcat log
> file(s)?
> 
>  - What version of Java?
> 
> I usally set starting and max memory the same; read
> somewhere that garbage collection is more efficient
> when that is done.
> 
> If you are running Java 5+ you may be running out
> of PermGen space - check the log file(s) and the
> archives for recommendations.
> 
> -Bob
> 

If your webapp(s) really need a gig of memory,
I sugggest changing CATALINA_OPTS

 CATALINA_OPTS="$CATALINA_OPTS -Xms1024m -Xmx1024m"

Looks like you are using unix/linux.  Did you 'grep'
for Exception and Error in catalina.out?

The Cohorts getName() messages don't look familiar
to me.  Is there a Cohorts class in one or more
of your webapp's?

-Bob



 

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RE: TOMCAT 5.0.28 stability

[Bob Hall]

--- Dwight Farris <[EMAIL PROTECTED]> wrote:

> Thanks for your response; I will look into the SQL
> code
> 
> Dwight
> 
> -Original Message-
> From: gb1071nx
> [mailto:[EMAIL PROTECTED] 
> Sent: Tuesday, March 27, 2007 9:47 AM
> To: Tomcat Users List
> Subject: RE: TOMCAT 5.0.28 stability
> 
> This is certainly not a tomcat stability problem,
> it's the application
> that has been coded poorly
> 
> > syntax to use near 's Time Management workshop
> 
> You've got some SQL code somewhere that looks like
> this: 
> 
> String sql = "INSERT INTO table (foo) VALUES('" +
> fooVar + "')";
> 
> And you're inserting data (fooVar variable contains)
> 
> "Manager's Time Management workshop"
> 
> Which results in SQL that looks like: 
> 
> INSERT INTO table (foo) VALUES('Manager's Time
> Management workshop')
> 
> Notice how the single quote results in mal-formed
> SQL? 
> 

Dwight,

Take a look at JDBC's PreparedStatement and use
the setString() method to set the "Manager's Time
Management workshop" value.

This will also serve to avoid SQL injection.

-Bob


 

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Re: Session expiration and AJAX issues

[Bob Hall]

--- 10:10AM Mon 25 Feb 2008, Adam Gordon
<[EMAIL PROTECTED]> wrote:

> Storing the date/time a user logs in on
> the session is 
> probably useful, but our problem is that we want to
> forcefully log the 
> user out if there's no human present at the computer
> and the AJAX tasks 
> keep a user's session active indefinitely, whether
> or not they mean it to.
> 

If there's a user input side to the AJAX tasks, would
it be possible for the AJAX task time interval to
increase over time w/o user input? Eventually, this
would lead to a session timeout.

-Bob


  

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Re: Session expiration and AJAX issues

[Bob Hall]

--- 2:09PM Mon 25 Feb 2008 Adam Gordon
<[EMAIL PROTECTED]> wrote:

> Adding a time decay in our timer task is an
> interesting idea and were it 
> not for IE's JavaScript counting ineptness, that'd
> probably work.
> 

The server could track the requests and provide an
updated delay time for the timer task if the browser
isn't reliable.

-Bob


  

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Re: file upload servlet

[Bob Hall]

--- 10:07PM Wed 27 Feb 2008 Kimberly Begley
<[EMAIL PROTECTED]> wrote:

> Hi - I'm trying to compile come java code to upload
> a file but am getting
> errors - it looks like it can't find the
> javax.servlet stuff to import and
> from what I've read online everyone talks about
> having the directory in the
> classpath but I have also read not to mess with my
> classpath - I'm trying to
> compile it from my
> catalina_home/webapps/appname/WEB_INF directory -
> does
> anyone have any suggestions? I'm sure it's obvious
> but I just can't see it.
> 

The CLASSPATH warnings are associated with starting
Tomcat - not compiling your java code; servlet-api.jar
needs to be in your CLASSPATH.

You should also take a look at the commons fileUpload
project; http://commons.apache.org/fileupload/

HTH - Bob



  

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Re: All threads (200) are currently busy

[Bob Hall]

--- On Sun, 11/2/08 at 1:23 AM, Juha Laiho <[EMAIL PROTECTED]> wrote:
> 
> What kind of situation did you have when you took the
> thread dump in
> the original request? Could you take a thread dump at a
> such point in
> time where you are actually waiting for a request to
> complete? That
> way, at least one of the threads would have to be somewhere
> "in the
> slow section".

AD, you could add a filter that would log request/response handling
for all requests and include the thread Id and request parms info.
The log would be processed to identify requests w/o a response and
requests that took a long time to handle.

-Bob


  

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Re: Load balancing questions

[Bob Hall]

--- On Mon, 1/4/10 at 1:34 AM, Mark Thomas  wrote:

> On 03/01/2010 11:09, assan alhamoud
> wrote:
> > Happy new year to all ,
> > 
> > I am using tomcat and JBoss.
> 
> You'll need to explain that further. Why would you use
> Tomcat and JBoss
> for the same app. I would expect one or the other.
> 
> > Tomcat/5.0.26
> 
> That is very, very old and has many known bugs and a number
> of security
> vulnerabilities. I'd strongly suggest moving to 5.5.28.

JBoss 3.2.5 has Tomcat 5.0 embedded (both very old versions)

JBoss 4.0.3 has Tomcat 5.5 embedded (both old versions)

Current version of JBoss is 6.0 not sure what version of Tomcat is embedded,
http://community.jboss.org isn't responding...

- Bob

> 
> > mod_jk/1.2.26
> 
> Also worth upgrading to the latest version
> 
> 
> To get back to your original question, it looks like your
> app could
> benefit from some tuning. The hanging is likely to be
> caused by long
> running requests using up all the connections between httpd
> and Tomcat
> and/or poor mod_jk / AJP connector configuration. Since you
> haven't
> shown us this configuration it is hard to provide specific
> advice but
> generally I would suggest:
> - use JkOptions +DisableReuse (or sort out your timeouts
> but my
> experience has been disable reuse is simpler to configure
> and has
> similar performance)
> - turn on access logging for Tomcat
> - check any timeouts are consistent with your longest
> running requests
> - ensure the following are compatible
>   - httpd processes/threads
>   - Tomcat AJP connector threads
>   - mod_jk connection pooling
> 
> Mark
> 
> > 
> > Regards,
> > 
> > 2009/12/29 Mark Thomas 
> > 
> >> On 29/12/2009 16:17, assan alhamoud wrote:
> >>> Hello Mark  ,
> >>>
> >>> we are using apache  Server version:
> Apache/2.2.11 (Unix)
> >>> we use  mod_jk.so module
> >>> jboss-3.2.5
> >>> Tomcat5
> >>> and jrockit-jdk1.4.2_19
> >>>
> >>> at your disposal if you need more information
> >>
> >> Are you using Tomcat or JBoss?
> >> Tomcat version?
> >> mod_jk version?
> >>
> >> Mark
> >>
> >>>
> >>> Regards,
> >>> Ghassan
> >>>
> >>> 2009/12/29 Mark Thomas 
> >>>
>  On 29/12/2009 15:21, assan alhamoud
> wrote:
> > Hello All
> >
> >  I have some questions and I hope
> to find answers about Load balancing
> >> .
> >
> > 1- The first question , our DBA says
> that it not normal and no logic
> >>  to
> > have several instances of tomcat
> server on the same machine   with the
>  same
> >  configuration , is this correct
> ?
>  No. Your DBA is wrong.
> 
> > 2- Each tomcat instance here can serve
> about 125 user , and I have more
>  than
> > this number on the server I got alot
> of problems and usually  the
>  instance
> > hang , is there anyway to get better
> performance from tomcat.
>  That isn't a Tomcat problem, that is an
> application problem. The
>  solution is to fix/tune your application.
> 
> >    I am using now 3G memory
> for each instance and 120 for max_pool_size
>  and
> > 750 maxThread
>  It isn't clear what the 125 users refers
> to. Is it concurrent requests,
>  is it concurrent sessions, is it
> concurrent users (assuming 1 concurrent
>  user == more than 1 concurrent request).
> From these numbers the
>  application seems very resource intensive.
> It does appear that it would
>  benefit from some tuning.
> 
> > 3- The most critical issue I had 
> , when one instance hangs , apache
>  hangs
> > and then all the application hangs
> because apache keep trying to
> >> connect
>  to
> > the hanged instance , Is there any way
> to force apache to bypass the
>  hanged
> > instance.
>  Yes. But since you haven't told us the
> Tomcat version, httpd version nor
>  how you are connecting httpd to Tomcat we
> can't tell you how to fix it.
> 
> > 4- When instance of tomcat hangs , i
> forced to restart this instance (
> > tomcat server )  the problem is
> GC can not free memory anymore
> >     Is there
> anyway to solve the problem instead of restarting the
>  server.
>  Yes. Work out if you have a memory leak or
> need more memory than is
>  available. If it is a memory leak, fix it.
> If you need more memory
>  either allocate it or tune your app so it
> uses less.
> 
> > 5- at last sometimes I found that the
> same action repeated many times
>  which
> > means that apache sends the request
> more than one time to tomcat server
> > ,could I have control over this
> behavior.
>  Maybe, maybe not. If this behaviour is
> initiated by the user agent you
>  need to manage this in your app. It could
> also be caused by the
>  fail-over mechanism, in which case I refer
> you to my answer to point 3
>  above.
> 
>  Mark
> 
> 
> 
> 
> -
>  To unsubscribe, e-mail: users-uns

Re: Load balancing questions

[Bob Hall]

--- On Wed, 1/6/10 at 7:54 AM, assan alhamoud  wrote:

> any suggestion ?
>

Upgrade to a more recent version of JBoss/Tomcat, like JBoss 5.1.0.

- Bob


  

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RE: Comet and thread binding

[Bob Hall]

--- On Wed, 1/6/10 at 10:18 PM, tbee  wrote:

> 
> The issue is not the storage, but access to the storage.
> How would I, at any
> place in the execution, access it, without passing the
> context to each
> method.

Have you considered using ThreadLocal?

- Bob


  

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RE: Comet and thread binding

[Bob Hall]

--- On Thu, 1/7/10 at 12:02 AM, tbee  wrote:

> 
> Yes. But the problem with comet is that it may switch
> threads "mid request";
> a request can be suspended, the thread freed up, and after
> a while the
> request is resumed, but by probably a different thread. So
> I cannot bind the
> request to the thread anymore.

I don't have much Comet experience but given that it can pause and resume
processing of a given request, would it be possible to bind your execution
context to that 'request' and re-bind it to the 'new' Thread when request
processing resumes?

- Bob


  

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Re: Polling and session timeout

[Bob Hall]

--- On Thu, 1/21/10 at 7:26 AM, Christopher Schultz 
 wrote:

> 
> If you access the session at all, it counts as a "touch",
> thereby
> extending the life of the session. It's not possible to
> "peek" at the
> session without "touching" it AFAICT.

The Session timeout can be set when the response is being "delivered"
via Session's setMaxInactiveInterval() method without extending the life of the 
Session.

In a JSP:

 <% session.setMaxInactiveInterval(inactiveTimeSecs); %>

- Bob


  

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Re: Tomcat 5.5 org.apache.naming.ResourceRef cannot be cast to javax.sql.DataSource

[Bob Hall]

Steve,

--- On Mon, 1/25/10 at 10:50 PM, Steve Ryder  wrote:

> I understand what you mean by don't
> use, but "I" am not using it.
> What do I need to change so that it is not used?
> How might I track down the offending library?

What do you get when you type the following commands:

$  java -version

$  which java

- Bob



  

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Re: Tomcat context startup failed

[Bob Hall]

Andre,

--- On Wed, 2/17/10 at 1:06 AM, André Warnier  wrote:

> > The obvious error displayed from log is "
> java.lang.NoClassDefFoundError:
> org/apache/xerces/util/EncodingMap". First check whether the
> xerces jar containing mentioned class is in place. Try
> downloading new jar and again restart the tomcat services.
> > 

The NoClassDefFoundError can also be caused by having more than one
copy of a given class available due to its having been loaded by
separate class loaders.

The OP should check his Tomcat installation for multiple .jars that
contain the "missing" class.

> I am no great Java or Eclipse expert, but sometimes one
> wonders how explicit an error log message must be, that one
> would notice.
> 
> In the submitted logfile, these two errors happen first :
> 
> > 16-feb-2010 16.48.14
> org.apache.catalina.loader.WebappClassLoader
> validateJarFile
> > INFO: validateJarFile(C:\Program
> Files\Apache\Tomcat55\webapps\Calzedonia2007\WEB-INF\lib\j2ee.jar)
> - jar not loaded. See Servlet Spec 2.3, section 9.7.2.
> Offending class: javax/servlet/Servlet.class
> > 16-feb-2010 16.48.14
> org.apache.catalina.loader.WebappClassLoader
> validateJarFile
> > INFO: validateJarFile(C:\Program
> Files\Apache\Tomcat55\webapps\Calzedonia2007\WEB-INF\lib\javaee.jar)
> - jar not loaded. See Servlet Spec 2.3, section 9.7.2.
> Offending class: javax/servlet/Servlet.class
> 
> Should not the first two errors above be attended to first
> ?
> 

The offending .jar files were not loaded and can't contribute to any problems.

- Bob




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RE: DB connection error -Tomcat 6 config

[Bob Hall]

--- On Tue, 3/2/10 at 3:39 PM, Propes, Barry L  wrote:

> Then that should work...are you using
> DBCP with it?
> 
> > I wonder now...should I perhaps be using this jar?  
> ojdbc6.jar  ?
> >
> > Has anyone upgraded their Oracle drivers that's using
> TC 6 and JDK 1.6?
> >
> > If anyone has used these environments together and
> needed to make the change, please apprise.
> 

We did *not* have to upgrade to ojdbc6; we are using:
  ojdbc14 (10.2.0.3.0)
  DBCP
  tomcat 6.0.20
  Java 1.6.0_16
  Oracle 10.2.0.4.0

- Bob




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Re: Connection Pool Exhausted

[Bob Hall]

--- On Mon, 8/17/09 at 11:38 AM, Kristen Walker  wrote:

> We had some help debugging the connection pool exhausted issue over the
> weekend and for now it seems that changing jdbcUsePool=true to
> jdbcUsePool=false stops the site from crashing due to connection pool
> issues.  We are going to investigate more to see why connection pooling
> isn't working like expected.

You can obtain a stack trace that should point to the offending code
by using the Deprecated log abandoned functionality in BasicDataSource:

   setLogAbandoned()
   setRemoveAbandoned()
   setRemoveAbandonedTimeout()

   
http://commons.apache..org/dbcp/apidocs/org/apache/commons/dbcp/BasicDataSource.html

There is some indication that logging of abandoned connections/statements
will continue in some form:

  http://wiki.apache.org/commons/DBCP

- Bob





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Re: Save session information in Memory database

[Bob Hall]

From: Ashish Kulkarni 
To: Tomcat Users List 
Sent: Friday, September 9, 2011 11:38 AM
Subject: Re: Save session information in Memory database

Hi
I have inherited this application, and it was developed this way, i dont
have time and resources to analyze this application to start removing data
from session, so i am looking for ways to get it working without having to
go through this process of removing data from session,
I thought if i could save session information in a database instead of in
heap it would work, and so in memory database and it would be faster to
access then regular DB2 database
So any ideas
Ashish

--

Ashish,

Have you considered ehcache?   http://ehcache.org/

- Bob

Re: JSP Exception object arriving null at error handler

[Bob Hall]

From: Nadav Katz 
To: Tomcat Users List 
Sent: Sunday, September 11, 2011 2:11 AM
Subject: JSP Exception object arriving null at error handler

Hi,

I seem to be having a problem with the exception object attribute arriving null 
at the error handeling jsp. 

Since I encountered this error in production, I recreated on a small project.

This is the web.xml error page entry: 



    404

    /notFoundErrorPage.jsp



 

This is notFoundError.jsp:

<%@ page isErrorPage="true" %>

<%@ page isELIgnored="false"%>

 

<%

    if(exception != null)

    {

        System.out.println("Exception is not Null, it's " + 
exception.toString());

    }

      else

      {

    System.out.println("Exception is Null!!");

      }

%>

What am I doing wrong? 



Nadav,

There is no Exception in this case.

This example should work for you _and_ allow you to display the resource that 
was not found:

http://stackoverflow.com/questions/4948275/get-url-of-page-requested-that-caused-a-404

- Bob

Re: Errors with NIO processor

[Bob Hall]

Matt,

Did the testing include load testing?  Have you checked the "open file limit" 
values?

If not, you may be running into an "open file limit" for the OS and/or user 
that is running Tomcat.

- Bob



From: Matthew Tyson 
To: Tomcat Users List 
Sent: Tuesday, November 15, 2011 4:18 PM
Subject: Re: Errors with NIO processor

Is there more info I can provide to help diagnose this error?  It is
killing us.

Thanks,

Matt



On Tue, Nov 15, 2011 at 9:00 AM, Matthew Tyson
wrote:

> Hey Guys,
>
> We are seeing the following errors (in production of course, testing
> didn't reveal this) after switching to NIO protocol.
>
> This is Tomcat 7.0.22 on CentOS 6.  There is a load balancer sending only
> comet traffic to port 8080, where the NIO protocol is used.
>
> Nov 15, 2011 8:39:29 AM org.apache.tomcat.util.net.NioEndpoint
> processSocket
> SEVERE: Error allocating socket processor
> java.lang.NullPointerException
> Nov 15, 2011 8:39:51 AM org.apache.tomcat.util.net.NioEndpoint
> processSocket
> SEVERE: Error allocating socket processor
> java.lang.NullPointerException
>         at
> org.apache.tomcat.util.net.NioEndpoint.processSocket(NioEndpoint.java:712)
>         at
> org.apache.tomcat.util.net.NioEndpoint$Poller.processKey(NioEndpoint.java:1200)
>         at
> org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:1136)
>         at java.lang.Thread.run(Thread.java:662)
> Nov 15, 2011 8:39:52 AM
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler process
> SEVERE: null
> java.lang.IllegalStateException: Calling [asyncPostProcess()] is not valid
> for a request with Async state [STARTED]
>         at
> org.apache.coyote.AsyncStateMachine.asyncPostProcess(AsyncStateMachine.java:202)
>         at
> org.apache.coyote.AbstractProcessor.asyncPostProcess(AbstractProcessor.java:104)
>         at
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:519)
>         at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1550)
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:662)
> Exception in declaration()
>
> I see more of the "Calling [asyncPostProcess()] is not valid for a request
> with Async state [STARTED]" error by itself also.  Here is the connector
> setup:
>
>  protocol="org.apache.coyote.http11.Http11NioProtocol"
>                connectionTimeout="2"
>                redirectPort="8443" />
>
> Any direction on where to look for the cause?
>
> Thanks,
>
> Matt
>

RE: DB connection error -Tomcat 6 config

[Bob Hall]

--- On Thu, 3/18/10 at 1:56 PM, Caldarale, Charles R 
 wrote:

> If you can, move up to 6.0.26 so we can all be looking at
> the same release.

>From one of the OP's earlier messages:

> An error occurred at line: 68 in the jsp file: /chngctrl/chgctrl_details.jsp
> Type mismatch: cannot convert from Object to Context
> 65:
> 66: Connection connection = null;
> 67: Context initCtx = new InitialContext();
> 68: Context envCtx = initCtx.lookup("java:comp/env");
> 69: // Look up our data source
> 70: DataSource ds = initCtx.lookup("jdbc/myoracle");
> 71:   
> 
> 
> SEVERE: Servlet.service() for servlet jsp threw exception
javax.naming.NameNotFoundException: Name jdbc is not bound in this Context
> at org.apache.naming.NamingContext.lookup(NamingContext.java:770)


Have you tried:

66: Connection connection = null;
67: Context initCtx = new InitialContext();
68: Context envCtx = (Context) initCtx.lookup("java:comp/env");
69: // Look up our data source
70: DataSource ds = (DataSource) initCtx.lookup("java:/myoracle");

   OR

70: DataSource ds = (DataSource) initCtx.lookup("java:jdbc/myoracle");


- Bob


  

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Re: DB connection error -Tomcat 6 config

[Bob Hall]

--- On Thu, 3/18/10 at 3:02 PM, Pid  wrote:


> 
>   Context envCtx = initCtx.lookup("java:comp/env");
>   DataSource ds = initCtx.lookup("jdbc/myoracle");
> 
> should be:
> 
>   Context envCtx = initCtx.lookup("java:comp/env");
>   DataSource ds = envCtx.lookup("jdbc/myoracle");
> 
> no?
> 

I was wondering why envCtx was discarded and was about to suggest:

  DataSource ds = (DataSource) initCtx.lookup("java:comp/env/jdbc/myoracle");

- Bob




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RE: DB connection error -Tomcat 6 config

[Bob Hall]

--- On Thu, 3/18/10 at 3:07 PM, Propes, Barry L  wrote:

> Yes, it should be.
> 
> Not sure how that got jumbled as such but what I did have
> was:
> 
> Connection connection = null;
> Context initCtx = new InitialContext();
> Context envCtx = (Context)
> initCtx.lookup("java:comp/env");
> DataSource ds = (DataSource)
> envCtx.lookup("jdbc/myoracle"); 
> 
> Tried other variations seen elsewhere on here as suggested.
> But still no dice.
> Odd - like I'd mentioned earlier, I can pass params through
> (DBUrl, user, password) and hit it, but not with a Context
> object.
> 

Have you tried 'exploring' JNDI?

  NamingEnumeration list = initCtx.list("java:comp/env");

- Bob


  

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Re: Submitting a patch

[Bob Hall]

--- On Tue, 3/30/10 at 9:56 PM, ntwrkd  wrote:

> Is the a HOWTO located somewhere on
> the best way to submit a patch?
> 

http://www.lmgtfy.com/?q=tomcat+patch+submit

- Bob


  

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Re: Submitting a patch

[Bob Hall]

--- On Tue, 3/30/10 at 11:54 PM, ntwrkd  wrote:

> I appreciate the ltmgtfy, but the
> search results actually didn't
> address my question.

The 1st Google hit, http://tomcat.apache.org/bugreport.html seems to
cover it:

"
Bug Fix Patch - A patch created using diff -u or svn diff which fixes the bug. 
(If you have found a bug fix which can be applied to the Apache Tomcat code)
"

- Bob


  

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Re: RemoteHostValve for infinite domains?

[Bob Hall]

Dean,

--- On Wed, 3/31/10 at 10:53 PM, Dean Hiller  wrote:

>            
>    allow=".*\.dev\.premonitionx\.com"/>
> 

I haven't used this TC feature but it wouldn't hurt to try:

 allow="*\.dev\.premonitionx\.com" />

- Bob




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RE: RemoteHostValve for infinite domains?

[Bob Hall]

--- On Thu, 4/1/10 at 5:52 AM, Caldarale, Charles R 
 wrote:

> 
> Please explain how that parses, since the allow string uses
> regular expression syntax, not wildcards (hence the need for
> the \. to match a period).
> 

I can't, since it doesn't.

- Bob


  

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Re: Why cant I access a folder at root level which contains Java Script

[Bob Hall]

--- On Sat, 4/3/10 at 5:07 PM, Hassan Schroeder  
wrote:

> To: "Tomcat Users List" 
> Date: Saturday, April 3, 2010, 5:07 PM
> On Sat, Apr 3, 2010 at 1:57 PM,
> nzindian 
> wrote:
> 
> > Im trying to use a javascript WYSIWYG editor in a JSP
> page.
> 
> > The JSP contains the following code to include the JS
> file:
> 
> > and it doesnt work,
> 
> Look at the page source in a browser and see what it is.
> Why doesn't
> it work? Because it's wrong, *from the perspective of the
> user agent*.
> 
> You can hard-code your context path or use JSTL e.g.
> " the corresponding JSP declaration to add your context path
> in front of
> the context-relative script directory path.
> 

Or you can specify a *correct* relative path.

For example, if your .jsp is in jsp/ and your .js is in a parallel js/
folder you can use a relative path:

   src="../js/the-js.js"

- Bob


  

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Re: Tomcat scalability setting - need help please

[Bob Hall]

Rendra,

--- On Thu, 4/8/10 at 5:28 PM, cinl...@gmail.com  wrote:

> 
> Do you have better way as how to transport this result to
> jsp? Please enlighten me. 
> 

If you *really* need to serve _millions_ of rows of data to a user you
will need to implement some form of "paging" - the query results are
cached on the server and served to the user on a page-by-page basis when 
requested.

You mentioned that you implemented your own caching scheme. I suggest
you take a look at ehcache: http://ehcache.org/ It can be easily setup
to automatically cache to disk and purge "stale" data.

- Bob


  

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Re: Session Timeout - Filter Not Called

[Bob Hall]

Paul,

--- On Sun, 4/11/10, Paul Carroll  wrote:

> I am using Tomcat 6.0 on Windows
> Server 2003.  It seems that when my session expires I
> am redirected to the login page which I would expect. 
> However, my filter is not called when I am redirected to the
> login page.  When I used Jetty as my web server, the
> call was intercepted by the filter before the user was
> presented the login page.  Does anyone know why this is
> the case?  The following is the sections of my web.xml
> that contains the filter info.
> 
> 
>   SessionTimeoutFilter
>     com.mycompany.ui.filters.SessionTimeoutFilter
>       
>         home
>         /home.do
>       
>     
> 
>     
>       SessionTimeoutFilter
>       action
>     
> 
>     
>   action
>       com.mycompany.ui.web.ActionServlet
>       
>         config
>   
>     
>
>  
>   action
>       *.do
>     
> 
> 
> My index.jsp contains 1 line which redirects to home.do.
> 

Your filter is mapped to  action which is mapped to  
*.do

Don't know about Jetty, but you will probably get the behavior you expect if 
you change the  element to use:
  /* (and remove )

- Bob





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Re: Session Timeout - Filter Not Called

[Bob Hall]

Paul,

--- On Mon, 4/12/10 at 7:21 AM, Paul Carroll  wrote:

> That works in that my filter is
> called when the session times out and the user is redirected
> to the login page.  However, the Referer header makes
> no indication that the user is logging in.

What does the referrer header contain?

> If the request URI is not null, then I can redirect them to the requested
> URI if it has been determined that it is a "safe" area that
> does not need any session variables established.  Is
> there a way to determine if the user's session has timed out
> and the user is logging in once again?

Check for the session variables that would have been set?

- Bob




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Re: The question of automatic restart Tomcat

[Bob Hall]

Gregor,

--- On Tue, 4/13/10 at 1:19 PM, Gregor Schneider  wrote:

> >
> > -XX:OnOutOfMemoryError=/usr/sbin/restart_tcserver
> >
> I'm not aware of that option within my standard sun jdk
> 1.6.x - what
> Java-version are you running offering this really useful
> feature?
> 

I wasn't aware of it either.

>From http://java.sun.com/javase/technologies/hotspot/vmoptions.jsp

-XX:OnOutOfMemoryError=";"

Run user-defined commands when an OutOfMemoryError is first thrown. (Introduced 
in 1.4.2 update 12, 6)

- Bob




  

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Re: Q: how to obtain notification when a WebApp is unloaded/reloaded?

[Bob Hall]

Godmar,

--- On Tue, 4/13/10 at 9:22 PM, Godmar Back  wrote:

> 
> What API function can be used to notify my application that
> it is about to
> be shut down, so that the thread in question can exit?
> 
> First, is there a standard API that would work also in
> other J2EE containers
> besides Tomcat?
> 

Have you tried implementing a ServletContextListener?

http://java.sun.com/products/servlet/2.3/javadoc/javax/servlet/ServletContextListener.html

- Bob

PS Tomcat is not a J2EE container.


  

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Re: SV: set time out based on userInRole

[Bob Hall]

Soren,

--- On Mon, 4/19/10 at 5:01 AM, Søren Blidorf  wrote:
> Fx if you are admin no connectionTimeout and if you are
> user
> connectionTimeout 20 min
> 

session.setMaxInactiveInterval()

- Bob




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Re: EE application server

[Bob Hall]

Navid,

--- On Tue, 4/27/10 at 12:38 AM, Navid Esfahani  wrote:
I want to know is this possible to use apache tomcat
application server for Enterprise Application(EAR)? 

  
No.
Is there two version for web-server and EE applications
server? 


 No.
 

how can I download EE application server?
http://www.lmgtfy.com/?q=java+ee+servers
- Bob



  

Re: getting servlet context in JSF?

[Bob Hall]

Yucca,

--- On Wed, 4/28/10 at 11:34 PM, Yucca Nel  wrote:

> Hello, is it possible to gain access
> to servletcontext  from JSP using faces or servlet EL?

Yes.

Using your subject line in a google search, third result:

  http://www.mail-archive.com/u...@shale.apache.org/msg01707.html

- Bob




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Re: FW: General / Special cause under which TOMCAT Crash been noticed

[Bob Hall]

Karthik,

--- On Thu, 4/29/10 at 11:02 PM, Karthik Nanjangude 
 wrote:

> 
> This is in referral to one of the form topics raised some
> day's ago
> 
> For JVM  to restart Tomcat in 1 case  when
> OnOutOfMemoryError
> 
> was raised
> 
> URL http://marc.info/?l=tomcat-user&m=127119151302985&w=2
> 
> Refers  to -XX:OnOutOfMemoryError=" args>;"  for restart
> 
> 
> I wanted to make sure if any other cause for TOMCAT Crash
> been noticed.
> 
> 

Yes...

- Bob




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Re: Help need for implementing Custom Login Module

[Bob Hall]

Srinivas,

--- On Wed, 5/5/10 at 5:05 PM, Srinivasa Rao.Kandula  
wrote:

> Well, I know how to implement
> form-based authentication. Here the requirement is to access
> ServletRequest/HttpSession from the login module. Thanks for
> you inputs though. 
> 

You could implement a Filter that extracts the attribute(s) of interest
from the ServletRequest/HttpSession and use ThreadLocal to make the
attribute(s) available throughout your application for the life of the
Request.

- Bob


  

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Re: stuck confused an need help please

[Bob Hall]

--- On Mon, 5/24/10 at 11:52 PM, Yucca Nel  wrote:

> Could someone please help me understand what thia stack
> trace is saying?
> 
> catalina.log
> File Type: ASCII English text, with very long lines
> 
> INFO main org.apache.catalina.startup.Catalina -
> Initialization processed in 875 ms
> INFO main org.apache.catalina.core.StandardService -
> Starting service Catalina
> INFO main org.apache.catalina.core.StandardEngine -
> Starting Servlet Engine: Apache Tomcat/6.0.20
> ERROR main
> org.apache.catalina.core.ContainerBase.[Catalina] -
> Exception opening database connection
> java.sql.SQLException: Access denied for user ' yucca123_tom'@'localhost' 
> (using password: YES)

There is leading white space in the user name: ' yucca123_tom'.

There are also errors in your DDL SQL that will need to be fixed after
your app is able to connect to the DB.

> ERROR TP-Processor2 org.hibernate.tool.hbm2ddl.SchemaUpdate
> - ALTER command denied to user 'yucca123_hiber'@'localhost'
> for table 'usercomments'
> ERROR TP-Processor2
> org.hibernate.util.JDBCExceptionReporter - SELECT command
> denied to user 'yucca123_hiber'@'localhost' for table
> 'usercomments'

Don't know why there are two DB users in play:
  yucca123_tom and yucca123_hiber

Apparently, the latter was able to connect to MySQL  but could not
access a table.  Are you sure the table exists?  Did you grant select
on the table to yucca123_hiber?

- Bob 


  

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Re: stuck confused an need help please

[Bob Hall]

--- On Tue, 5/25/10 at 12:20 AM, Yucca Nel  wrote:

> I know what the exception is saying but I can only swear
> that I am providing correct credentials.
>

Did you notice:

> There is leading white space in the user name: ' yucca123_tom'.

- Bob 


  

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Re: Error on startup catalina

[Bob Hall]

Sondro,

--- On Wed, 6/2/10 at 2:57 PM, Sandro Gallo  wrote:

> TOMCAT version: 6.0.26.
> 
> java -version
> java version "1.6.0_17"
> Java(TM) SE Runtime Environment (build 1.6.0_17-b04-248)
> Java HotSpot(TM) 64-Bit Server VM (build 14.3-b01-101,
> mixed mode)
> The version of Java is already on Mac.
> 
> I installed Tomcat by following this step:
> 1. download from site,
> 2. create folder /Library/Tomcat,
> 3. untar file in this new folder,
> 4. create simbolic link from
> /Library/Tomcat/apache-tomcat-6.0.26  to 
> /Library/Tomcat/Home,
> 5. create env variables CATALINA_HOME, JAVA_HOME.
> 
> All files in CATALINA_HOME/bin have exec permission.

Check the permissions of bin/tomcat-juli.jar; it needs to be readable by the 
user that is running tomcat.

And try running Tomcat without the "benefit" of the symbolic link or setting 
CATALINA_HOME:

$ export CATALINA_HOME=

$ /Library/Tomcat/apache-tomcat-6.0.26/bin/startup.sh

- Bob




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Re: weird bug?

[Bob Hall]

--- On Tue, 7/13/10 at 2:50 PM, michel  wrote:

> You could have just answered my
> question, instead of making such a snarky reply.
> 

Perhaps this will help:

  http://en.wikipedia.org/wiki/User:DonDiego/Thread_hijacking

- Bob


  

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

[Bob Hall]

From: Brooke Hedrick 
To: Tomcat Users List  
Sent: Sunday, March 4, 2012 12:21 PM

> On Mar 4, 2012, at 1:35 PM, Chema  wrote:
> 
>>> We use Spring w/ Hibernate as I recall.  Yes, we have talked about that - a
>>> ping query.  What we don't like about that is now we have a tc ping and app
>>> ping.  We have also discussed just changing the tc borrow/ping to do the
>>> dual@remotedb query as this would test both primary and remote.  We have
>>> tested this and it works.  What stinks about this is we only access the
>>> remotedb 10% of the time.
>> 
>> Well, I don't know how works Hibernate , but I know that you can have
>> many SessionFactory
>> Can you define different SessionFactory with different settings , for
>> example, with different pingQuery value?
>> Does Hibernate have a pingQuery setting ?
>>
> 
> Even if it does, are we actually losing the close() method for the connection 
> pool mbean?  If so, why?
> 
> This change would mean requiring many development teams to change many apps.  
> I don't see the value of requiring that change - if it is actually the case 
> we are losing the close() method.


Have you tried defining views in the primary database based on the @otherdb 
queries?

- Bob

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

[Bob Hall]

From:Brooke Hedrick 
Sent: Sunday, March 4, 2012 1:57 PM


>>
>> Have you tried defining views in the primary database based on the @otherdb 
>> queries?
>>
>>
> Bob,
> How will that help with the borrow query and not wanting to run extra queries 
> to the remote db when not necessary?

It should eliminate the need to run extra queries, the queries would only be 
run when necessary against the views defined in the primary database.
Hopefully, Oracle will manage restarts of the remote DB.

> Everyone - the feedback is great, but it still is just working around the 
> elimination of a jmx call, if that is the case.
> Why is the jmc close() method being eliminated?


Using views might result in the restoration of the close() method.

- Bob

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Re: Help regarding CSRF Filter in Tomcat 7

[Bob Hall]

André,

On 16/11/2012 14:39, André Warnier wrote:


>  Response (to Mark and David) : I accept the verdict of the native 
> English-speakers.
>  In my defense, I would say that to me, the word "useless" has more of a 
> negative connotation than what I wanted to express.  Using an expression
>  such as "the filter is useless" here may have suggested that I thought that 
> this code was not worth the memory cells it was written on.  Which is of
>  course far from my thoughts on the matter.
> "Unnecessary" was a way for me to express that in these particular 
> circumstances, it would 1) not help, while 2) - being a filter - adding 
> unwarranted
> (?) overhead to the application.

"filter is ineffective" might work for you.

- Bob

RE: localhost

[Bob Hall]

Ken,

--- On Sun, 3/6/11 at 6:49 PM, ken dias  wrote:

> I am running Tomcat 6.0.024 server. This server is always
> on. Java  6 is used.
> Checked task manager and could not find pid 1908. Did find
> the vertical line on my keyboard.
>  
> Ken

http://localhost:8080

- Bob




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Re: Servlet mapping doesn't work after upgrading from Tomcat 5 to 6

[Bob Hall]

Dharamshila,

--- On Tue, 3/8/11 at 7:35 PM, Dharamshila Khandelwal  
wrote:
Thanks for your response Christopher!
I have structs.jar in WEB-INF/lib. I even tried putting it in 
CATALINA_HOME/lib, but it didn't work. 
I have attached the log files as you had requested. 
As Chris already mentioned, attachments are normally stripped and you will need 
to copy-paste a hopefully small relevant portion of the log file(s).

- Bob




  

Re: JSP class size increase in Tomcat 7

[Bob Hall]

Jess,

--- On Thu, 3/10/11 at 7:10 PM, Jess Holle  wrote:

> P.S. This was with Tomcat 7.0.10.
> 
> On 3/10/2011 9:10 PM, Jess Holle wrote:
> > I've been looking at moving to Tomcat 7 from Tomcat
> 6.
> > 
> > Most things look good.
> > 
> > I have been surprised by one thing, however: Tomcat 7
> produces larger JSP class files than Tomcat 6 from the same
> JSP source files, tag libraries, etc.  Around 12%
> larger in some examples I've been looking at (whereas the
> intermediate Java sources increase in size by ~1%).
> > 

Is the same version of Java used in both cases?

- Bob




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Re: JSP class size increase in Tomcat 7

[Bob Hall]

--- On Thu, 3/10/11 at 8:43 PM, Jess Holle  wrote:

> >> Yes, both Java 6 Update 24.
> > Just to verify, are both instances Tomcat running in
> the same JVM mode (-client or -server)?  (That
> shouldn't affect the .class file size, but just
> checking...)
> Yes.
> 

Have you compared the size of .class files generated for a simple "hello world" 
JSP in the two Tomcat instances?

- Bob




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Re: [OT] servlet-specific error pages

[Bob Hall]

Chris,

--- On Wed, 4/13/11 at 1:11 PM, Christopher Schultz 
 wrote:

> Basically, I want two defaults.
> 
> If the servlet spec allowed for  to
> include a 
> filter, that's what I would use. But it doesn't :(
> 

Would an Exception marker interface help to differentiate Servlet and other 
Exceptions?

A Servlet could conditionally throw Exceptions that implemented a given marker 
interface.

An  JSP could use instanceof to check for marker interface(s) and 
conditionally handle presentation of the Exceptions.

- Bob



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Re: Tomcat for Mac

[Bob Hall]

--- On Fri, 4/22/11 at 1:34 AM, Brajesh Patel  wrote:

> Hello All,
> I have Mac book and want to run tomcat on it so please
> provide steps or
> documentation it will great help.
> 
> -- 
> Thanks
> Brajesh Patel
> 

http://lmgtfy.com/?q=tomcat+install+mac

- Bob

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Re: recovering connections on jdbc connection pool

[Bob Hall]

> try {
> while (it.hasNext()) {
> c1 = getConnection();


You should move getConnection() outside of the while() block.

- Bob

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Re: jsre_home is null

[Bob Hall]

--- On Wed, 7/14/10 at 10:08 AM, testwreq wreq  wrote:

> catalina logs are showing jre_home as
> null. Any ideas how to set it?
> 

Earlier, in a separate thread, you indicated that java 1.6 was installed.

At the command prompt type:

$ which java

which should display something like:

/usr/local/jdk1.6/bin/java

Depending on the 'shell' you are using you should be able to use of the 
following commands:

$ export JAVA_HOME=/usr/local/jdk1.6

$ setenv JAVA_HOME /usr/local/jdk1.6

This will only set JAVA_HOME for the current 'shell', it is not permanent.  

- Bob


  

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Re: WebApp not recognised when having context.xml

[Bob Hall]

--- On Thu, 7/15/10 at 2:56 PM, bugger  wrote:

> Found the problem. must be written with
> capital letter at the
> beginning. 
> -- 

Which Chuck pointed out earlier; about 50 minutes before you "found" it.

- Bob


  

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Re: [OT] Mike Wilde is out of the office

[Bob Hall]

--- On Wed, 8/4/10 at 9:48 AM, Christopher Schultz 
 wrote:

> Mike,
> 
> You sure seem to be out of the office a lot.
> 
> Are they paying you well over there?
> 
> Also, it seems you have returned (today is 2010-08-04, at
> least in
> Washington, DC): you should either disable your
> out-of-office reminder
> or update the dates ;)
> 
> - -chris
> 

Or he's using DD/MM/.  In any case, he should configure his out-of-office 
reminder to *not* be sent to user lists...

- Bob


  

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RE: Tomcat ldap authentication with 403 Forbidden error

[Bob Hall]

Julio,

--- On Mon, 9/27/10 at 11:24 AM, Caldarale, Charles R 
 wrote:

> > The security-role is right below the
> security-constraint 
> > closing tag and above the login-config opening tag.
> 
> Sorry, I missed it.  However, the
>  element normally comes /after/
> ; not sure if that's required by the
> DTD, by your ordering is unusual.
> 

In case you are still encountering a problem you could try listing the role(s) 
that have been assigned after authentication and comparing with 
"authenticated-user"; note that the comparison is case sensitive.

- Bob




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