[RESULT][VOTE] Tomcat 5.5.12 is stable

[Yoav Shapira]

Hi,
The 5.5.12 stability vote is now over, and the release is stable.  The
following votes were cast for stable:
Jeanfrancois Arcand
Allistair Crossley
Henri Gomez
Jim Jagielski (not sure if this one is binding in the strictest sense of the
word)
Remy Maucherat
Peter Rossbach
Yoav Shapira
Mladen Turk

There were no beta or alpha votes.  I'll go update the web site.  

There have been no code changes since the alpha release, so if you already have
the 5.5.12-alpha distribution you don't have to go download a new distro.

Thank you,

Yoav Shapira
System Design and Management Fellow
MIT Sloan School of Management
Cambridge, MA, USA
[EMAIL PROTECTED] / www.yoavshapira.com

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[ANN] Tomcat sources moved to Subversion

[Yoav Shapira]

Hi,
FYI, the Tomcat source code has been moved to Apache's Subversion (SVN)
repository.  The old CVS repositories are now locked down: they can still be
used for checking out code, but no further work will be done in them.  For
details on how to work with SVN, please see
http://www.apache.org/dev/version-control.html.  Please note that we are still
verifying some of the build scripts to make sure they work in the new
structure.  Thanks,

Yoav

--- Henri Yandell <[EMAIL PROTECTED]> wrote:

> Date: Wed, 5 Oct 2005 21:17:10 -0400
> From: Henri Yandell <[EMAIL PROTECTED]>
> To: Tomcat Developers List 
> Subject: Re: CVS->SVN Schedule
> 
> On 10/2/05, Mark Thomas <[EMAIL PROTECTED]> wrote:
> > Mark Thomas wrote:
> > > Mladen Turk wrote:
> > >> Can somebody make a firm statement on the timings?
> > >> 1. Until when (Date:Hour:Minute) commits could be done
> > >> 2. Wen the CVS will be locked for commit (same format)
> >
> > This is now set for Wednesday 5th October 2005 at 8pm US Eastern time.
> > It should be completed by 11pm US Eastern time.
> 
> All done :)
> 
> http://svn.apache.org/repos/asf/tomcat/connectors/
> http://svn.apache.org/repos/asf/tomcat/jasper/
> http://svn.apache.org/repos/asf/tomcat/container/catalina/
> http://svn.apache.org/repos/asf/tomcat/container/tc5/
> 
> svn co https://svn.apache.org/repos/asf/tomcat/connectors/
> jakarta-tomcat-connectors
> svn co https://svn.apache.org/repos/asf/tomcat/jasper/ jakarta-tomcat-jasper
> svn co https://svn.apache.org/repos/asf/tomcat/container/catalina/
> jakarta-tomcat-catalina
> svn co https://svn.apache.org/repos/asf/tomcat/container/tc5/
> jakarta-tomcat-5
> 
> I'll keep checking email and the jira entry on and off tonight in case
> there are problems. CVS is locked down, all commits should goto
> tomcat-dev, Mark's modification scripts are all successfully run and
> read/write is set to anyone in tomcat (in the asf-authorization file
> that Remy can edit).
> 
> Hen
> 
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> 


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[ANN] Apache Tomcat 5.5.12-alpha Released

[Yoav Shapira]

23 September 2005 - Apache Tomcat 5.5.12-alpha Released

The Apache Tomcat team is proud to announce the immediate availability of
Tomcat 5.5.12-alpha. This version contains several bug fixes, including an
import change to session attribute storage concurrency that is required by the
upcoming Servlet Specification v2.5. In addition to these changes, this release
is a significant milestone for two reasons:

This release is the last one to be done using the CVS repository at Apache. The
Tomcat team is moving to the Subversion (SVN) repository as part of the overall
Apache initiative to do so. Access instructions for the SVN repository are
available at http://www.apache.org/dev/version-control.html. The move is
expected to be complete within the next week.

This release is also likely the last one to use the Jakarta pages. As part of
Tomcat's move to a top-level project (TLP) at Apache, we will be migrating our
content to http://tomcat.apache.org, which is still under construction at this
time. That site will have its own download pages and related information. We
will keep the key jakarta URLs intact with redirection, but please keep an eye
out and update your bookmarks to http://tomcat.apache.org as/when appropriate.
As part of the TLP move, distribution names have changed from jakarta-tomcat-*
to apache-tomcat-*, and similar minor branding changes will gradually become
visible in the web site and documentation. We thank the Jakarta project for its
support over the years, and we will continue collaborating on projects and
issues of common interest.

The Release notes are available at
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/RELEASE-NOTES

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/changelog.html

Downloads:
Binaries: http://jakarta.apache.org/site/binindex.cgi#tomcat-5.5
Sources: http://jakarta.apache.org/site/sourceindex.cgi#tomcat-5.5

The Apache Tomcat Team

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[ANN] Apache Jakarta Tomcat v5.5.10-alpha Released

[Yoav Shapira]

The Apache Jakarta Tomcat team is proud to announce the immediate availability
of Tomcat 5.5.10-alpha. This build contains 110 improvements, including bug
fixes, enhancements, and documentation updates.  There are several interesting
new features, such as Apache Portable Runtime (APR)-based HTTP/1.1 and AJP/1.3
protocol handlers with SSL support, an experimental NIO-Socket channel for the
AJP/1.3 connector, improved support for Java 5 using the Eclipse 3.1 JDT,
clustering support at the Engine and Host levels, and more.

The Release notes are available at
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/RELEASE-NOTES

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/changelog.html

Downloads: Binaries: http://jakarta.apache.org/site/binindex.cgi#tomcat-5.5
Sources: http://jakarta.apache.org/site/sourceindex.cgi#tomcat-5.5

The Apache Jakarta Tomcat Team 

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[ANN] Tomcat 5.5.9 voted stable

[Yoav Shapira]

The Apache Jakarta Tomcat team is proud to announce the immediate availability
of Tomcat 5.5.9 stable. This build contains numerous bug fixes, documentation
updates, and other improvements.

Please note that while all core features have been tested and voted stable,
there is a known issue in this build related to the clustering module. The fix
for this issue is available by itself at Bugzilla, and will be included in
subsequent Tomcat releases. Again, this issue only impacts users of Tomcat's
native clustering module.

Release notes: http://jakarta.apache.org/tomcat/tomcat-5.5-doc/RELEASE-NOTES

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/changelog.html

Downloads: http://jakarta.apache.org/site/downloads/downloads_tomcat-5.cgi

The stability voting thread is available at MARC at AIMS.

The Apache Jakarta Tomcat Team 

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[ANN] Apache Jakarta Tomcat v5.5.9-alpha Released

[Yoav Shapira]

The Apache Jakarta Tomcat team is proud to announce the immediate availability
of Tomcat 5.5.9-alpha. This build contains numerous bug fixes, documentation
updates, and other improvements.

Release notes: http://jakarta.apache.org/tomcat/tomcat-5.5-doc/RELEASE-NOTES

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/changelog.html

Downloads: Binaries: http://jakarta.apache.org/site/binindex.cgi#tomcat-5.5
Sources: http://jakarta.apache.org/site/sourceindex.cgi#tomcat-5.5

The Apache Jakarta Tomcat Team 

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[ANN] Apache Jakarta Tomcat 5.5.8-alpha Released

[Yoav Shapira]

The Apache Jakarta Tomcat team is proud to announce the immediate availability
of Tomcat 5.5.8-alpha. This build contains numerous bug fixes, documentation
updates, and other improvements. 

Release notes: http://jakarta.apache.org/tomcat/tomcat-5.5-doc/RELEASE-NOTES 

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/changelog.html 

Downloads: Binaries: http://jakarta.apache.org/site/binindex.cgi#tomcat-5.5 
Sources: http://jakarta.apache.org/site/sourceindex.cgi#tomcat-5.5 

The Apache Jakarta Tomcat Team

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[VOTE][RESULT] Tomcat 5.5.7 Stability

[Yoav Shapira]

The Apache Jakarta Tomcat team is proud to announce that Tomcat 5.5.7 has been
voted stable after substantial evaluation and testing.  The vote thread is
archived at http://marc.theaimsgroup.com/?t=11067421773&r=1&w=2 among other 
places.

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[ANN] Apache Jakarta Tomcat 5.5.6-alpha Released

[Yoav Shapira]

The Apache Jakarta Tomcat team is proud to announce the immediate availability
of Tomcat 5.5.6-alpha. This build contains numerous bug fixes, documentation
updates, and other improvements. 

Release notes: http://jakarta.apache.org/tomcat/tomcat-5.5-doc/RELEASE-NOTES 

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/changelog.html 

Downloads: Binaries: http://jakarta.apache.org/site/binindex.cgi#tomcat-5.5 
Sources: http://jakarta.apache.org/site/sourceindex.cgi#tomcat-5.5 

The Apache Jakarta Tomcat Team


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[ANN] Tomcat 5.0.30-beta Released

[Yoav Shapira]

The Apache Jakarta Tomcat team is proud to announce the immediate availability
of Tomcat 5.0.30-beta. The release contains a significant number of bug fixes,
and we expect it to be ratified as a Stable release when the vote takes place
next week as usual. 

Release notes: http://jakarta.apache.org/tomcat/tomcat-5.0-doc/RELEASE-NOTES 

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.0-doc/changelog.html 

Downloads: Binaries: http://jakarta.apache.org/site/binindex.cgi#tomcat-5.0 
Sources: http://jakarta.apache.org/site/sourceindex.cgi#tomcat-5.0 

The Apache Jakarta Tomcat Team 

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[ANN] Apache Jakarta Tomcat 5.5.4-alpha Released

[Yoav Shapira]

The Apache Jakarta Tomcat team is proud to announce the immediate availability
of Tomcat 5.5.4-alpha. This build contains numerous bug fixes and other
improvments, and hopefully gets us closer to the first stable 5.5 release. 

Release notes: http://jakarta.apache.org/tomcat/tomcat-5.5-doc/RELEASE-NOTES 

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/changelog.html 

Downloads: Binaries: http://jakarta.apache.org/site/binindex.cgi#tomcat-5.5 
Sources: http://jakarta.apache.org/site/sourceindex.cgi#tomcat-5.5 

The Apache Jakarta Tomcat Team 

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Re: Problem using IIOP from servlet in Tomcat 5.0.18

[Yoav Shapira]

Hi,
I have some problem when people spam me ;)  Please stick to the mailing list
and avoid personal emails.  And remember
http://jakarta.apache.org/tomcat/faq/tomcatuser.html#why.

Thanks,

Yoav

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

> hi 
> 
>  I have some problem in calling the methods which use corba from the tomcat.
> 
>  1) I have configured eclipse 3.0 and Tomcat 5.0.18 on my machine
>  2) I have a class which communicates with my server using IIOP . The method
> which does that is tested and it works fine standalone ie when invoked from
> main method of its class.
>  3) When I try to call the same method from my servlet using this class
> instance it gives exception  :
> 
>org.omg.CORBA.COMM_FAILURE:   vmcid: SUN  minor code: 208 completed:
> Maybe
>   at com.sun.corba.se.internal.iiop.IIOPConnection.purge_calls(Unknown
> Source)
>   at com.sun.corba.se.internal.iiop.ReaderThread.run(Unknown Sourc
> 
>   Any help will be highly appreciated. 
> 
>  Thanks in advance :)
> 
> Regards,
> Gaurav Handa
> 9281
> 
> 


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[ANN] Apache Jakarta Tomcat 5.5.1 Released

[Yoav Shapira]

The Apache Jakarta Tomcat team is proud to announce the immediate availability
of Tomcat 5.5.1. This second build in the 5.5 branch contains a number of
significant stability improvements over 5.5.0, as well as a host of
documentation updates and minor fixes. 

Release notes: http://jakarta.apache.org/tomcat/tomcat-5.5-doc/RELEASE-NOTES 

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/changelog.html 

Downloads: 
Binaries: http://jakarta.apache.org/site/binindex.cgi
Sources: http://jakarta.apache.org/site/sourceindex.cgi 

The Apache Jakarta Tomcat Team

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[ANN] Apache Jakarta Tomcat 5.5.0 Released

[Yoav Shapira]

The Tomcat Team announces the immediate availability of Apache Jakarta Tomcat
5.5.0. 

This is the first release of the new Tomcat 5.5 branch, and as such it is not
yet stable. We expect significant additional changes, including possible
changes to packaging, dependencies, and Tomcat internal APIs, before the first
5.5 stable release is made. 

Please note that we are still in the process of updating documentation for this
branch. Of special note is the JRE 5.0 requirement: running with JRE 1.4 is
also possible, and instructions are provided with the distribution. 

Release notes: http://jakarta.apache.org/tomcat/tomcat-5.5-doc/RELEASE-NOTES 

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/changelog.html 

Downloads: Binaries: http://jakarta.apache.org/site/binindex.cgi Sources:
http://jakarta.apache.org/site/sourceindex.cgi 

The Apache Jakarta Tomcat Team 

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[ANN] Apache Jakarta Tomcat 5.0.28 Released

[Yoav Shapira]

The Tomcat Team announces the immediate availability of Apache Jakarta Tomcat 
5.0.28.

Please refer to the change log for the list of changes:
http://jakarta.apache.org/tomcat/tomcat-5.0-doc/changelog.html

Release notes:
http://jakarta.apache.org/tomcat/tomcat-5.0-doc/RELEASE-NOTES

Downloads:
Binaries: http://jakarta.apache.org/site/binindex.cgi
Sources: http://jakarta.apache.org/site/sourceindex.cgi

Please note that the stability rating (alpha/beta/stable) for this release will
be announced separately in about a week.

The Apache Jakarta Tomcat Team



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RE: Servlet mappings?

[Yoav Shapira]

Hey,
Mike's suggestion is good.  A purer approach is possible with tomcat 5,
because the 2.4 servlet spec allows for a servlet to be mapped as a
welcome-file.

Yoav Shapira

On Wed, 3 Sep 2003, Mike Cherichetti (Renegade Internet) wrote:

> I don't think this can be done with mappings.  You can put an index.jsp file
> with only a forward/redirect call in it to transfer control to your servlet.
> I've done this before, seems to work quite well.
>
> Mike
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, September 03, 2003 8:55 PM
> To: [EMAIL PROTECTED]
> Subject: Servlet mappings?
>
>
> I have a web app with multiple servlets. I would like one of those
> servlets to handle all requests to http://mywebserver/. Basically I want
> it to do the same thing as the welcome-file in the web.xml. How can I do
> this?
>
>
> Thank You,
>
> Justin A. Stanczak
> Web Manager
> Shake Learning Resource Center
> Vincennes University
> (812)888-5813
>
>
>
>
> -
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>
>

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Re: servlet mappings

[Yoav Shapira]

Howdy,

> It used to be that servlet mapping was straight-forward and now it seems to
> be obfuscated. For example I want the url

They haven't really changed in a long long time ;)

> ://Form

>    This used to work and now it doesn't; Why !
>
> 

I doubt this used to work: review the servlet spec section on servlet
request matching to see.  Instead, have
/Form
and that's it.

* in a url-pattern doesn't always mean the same as "anything", especially
in the regular expression since of the word, because * doesn't match the
empty string.  So */Form is not matched on a request to /Form.  (All of
these are of course relative to your context base).

Set debug="99" for the context and/or connector in server.xml to see the
exact steps it is performing to match a servlet to incoming requests.

Yoav Shapira

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RE: E-Mail to CompuServe Customer Service

[Yoav Shapira]

Howdy,
That someone is me (for tomcat-user, tomcat-dev, and a couple of other
lists).  I don't verify emails from subscribed addresses --
that's automatically approved per Apache guidelines.  Otherwise I'd have
to check thousands of messages a day -- I get enough as it is ;(

Use a filter until the infected machines are cleaned/quarantined.

Yoav Shapira

On Fri, 22 Aug 2003, Kannan Sundararajan wrote:

> Normally there would be someone verifies the email before going inot users
> group.. But seems no one is verifying.. It is flooding already in my inbox..
>
>
> -Original Message-
> From: Mike Curwen [mailto:[EMAIL PROTECTED]
> Sent: Friday, August 22, 2003 1:33 PM
> To: 'Tomcat Users List'
> Subject: RE: E-Mail to CompuServe Customer Service
>
>
> Is this
> http://securityresponse.symantec.com/avcenter/venc/data/[EMAIL PROTECTED]
> tml
>
> ??
>
>
>
> > -Original Message-
> > From: CompuServe Customer Service [mailto:[EMAIL PROTECTED]
> > Sent: Friday, August 22, 2003 12:27 PM
> > To: Tomcat Users List
> > Subject: E-Mail to CompuServe Customer Service
>
>
> -
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Re: CV_Therapeutics

[Yoav Shapira]

Howdy,
These are being sent by viruses/worms from addresses that are subscribed
to the list.  I try to catch them before but because the addresses are
legit they don't show up for me to moderate...

Yoav Shapira

On Fri, 22 Aug 2003, Jens Skripczynski wrote:

> Hi,
>
> *aehm* how could this unrelated email make it to tomcat-user ?
>
> admin, hr:
> >  <>
> >
> > Dear Applicant:
> > We have received your employment inquiry and would like to thank you for giving us 
> > the opportunity to review your resume. It will be evaluated by a member or our 
> > Human Resources staff and then forwarded to those supervisors who may be able to 
> > utilize your background and experience.
> > If your qualifications match our current needs, we will contact you within four to 
> > six weeks to arrange an interview. If there does not appear to be an appropriate 
> > opportunity at this time, your resume will remain active for six months and will 
> > be reviewed against future openings.
> > Thank you for expressing interest in CV Therapeutics.
> > Sincerely,
> > Human Resources Department
> >
>
>
>
> Ciao
>
> Jens Skripczynski
>

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RE: running tomcat from CD

[Yoav Shapira]

Howdy,
Note, however, that all FileLoggers have a configurable directory.  The
workDir for host and context is configurable as well.  The
system.out/system.err destination is set to
$CATALINA_HOME/logs/catalina.out in $CATALINA_HOME/bin/catalina.sh and can
be changed at will.

So a more accurate answer might be:
- You need to modify the above in your server.xml and catalina.sh before
burning your copy of tomcat to CD
- Whatever directory you use for your logs and workDir (which is required
by the servlet spec, as I said earlier) needs to be off the CD-ROM, but
accessible and writeable.

Yoav Shapira


 \On Thu, 21 Aug 2003, Halstead, Chris wrote:

> Clarify 'completely'.  If you have no access to writable disk you'll be unable to 
> produce logs or persist context data under ./work.  I suppose that you could do some 
> fancy stuff with a RAMdisk, assuming that you are running on an OS that supports 
> this.  With an out of the box binary set you wouldn't be successful...catalina.sh 
> will fail when it can't create ./logs/catalina.out.
>
> -chris
>
> > -Original Message-
> > From: samckins [mailto:[EMAIL PROTECTED]
> > Sent: Thursday, August 21, 2003 9:30 AM
> > To: [EMAIL PROTECTED]
> > Subject: running tomcat from CD
> >
> >
> >
> > Is there a way to run Tomcat completely off of a CD-ROM?
> >
> > Thanks
> > Scott
> >
> > -
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> >
> >
>
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RE: JNDI References To Tomcat 4.1

[Yoav Shapira]

Howdy,
I believe he was referring to external access to tomcat's JNDI provider,
which is tricky.  In-memory is easy and you're right a JDBC resource can
be configured (just like any other JNDI resource).

Of course, if tomcat's JNDI provider moves into its own jakarta-commons
component as we've been discussing, I bet you'd have standalone JNDI very
soon ;)

Yoav Shapira

On Fri, 15 Aug 2003, Micael wrote:

> This is mistaken, if you mean what you say.  There is a JDBC resource
> available via JNDI in Tomcat.  You have to code it, of course, but it
> definitely is available.
>
> At 02:53 PM 8/15/2003 -0500, Madere, Colin wrote:
> >I think your inclinations that Tomcat is not a naming service are correct.
> >I have not seen reference to anything that suggests you can set up resources
> >in Tomcat that are available via JNDI.  JBoss, certainly, as it does provide
> >a JNDI server (whatever the appropriate name for that is), as I've used that
> >with JMS/JBossMQ.  AFAIK, the Tomcat JNDI setup stuff is just for processes
> >internal to Tomcat, but that is an educated guess, not a known fact :)
> >
> >-Original Message-
> >From: Jason Mowat [mailto:[EMAIL PROTECTED]
> >Sent: Friday, August 15, 2003 12:14 PM
> >To: [EMAIL PROTECTED]
> >Subject: JNDI References To Tomcat 4.1
> >
> >
> >Greetings,
> >
> >I am trying to create a standalone application that references a DBCP on
> >Tomcat.  I'm not sure if I can do this; I've seem some articles that seem to
> >suggest that it can be done, but again, I'm not sure.  I've read
> >http://www.mail-archive.com/[EMAIL PROTECTED]/msg08353.html.
> >
> >I have set up in tomcat/conf/server.xml the following context info:
> >
> >   
> >  >type="javax.sql.DataSource"/>
> >
> > 
> >   
> > factory
> > org.apache.commons.dbcp.BasicDataSourceFactory
> >   
> >
> >   
> > driverClassName
> > oracle.jdbc.driver.OracleDriver
> >   
> >
> >   
> > url
> > jdbc:oracle:thin:@internal.sbgh.mb.ca:1521:test
> >
> >   
> >
> >   
> > username
> > test
> >   
> >
> >   
> > password
> > test
> >   
> >
> >   
> > maxActive
> > 20
> >   
> >
> >   
> > maxIdle
> > 3
> >   
> >
> >   
> > maxWait
> > 100
> >   
> > 
> >
> >   
> >
> >Note that I have not created any references in a web.xml, since I will not
> >be running an application, per se, from Tomcat.  PERHAPS THIS IS WHERE MY
> >PROBLEM IS?
> >
> >The client code I am using is not a servlet or a JSP; it's a simple piece of
> >code to see if I can communicate with the database pool on Tomcat as
> >configured above.
> >
> >Hashtable env = new Hashtable();
> >env.put(
> > Context.INITIAL_CONTEXT_FACTORY,
> > "org.apache.commons.dbcp.BasicDataSourceFactory"
> >);
> >
> >//  ***  THIS IS ANOTHER AREA WHERE I MAY BE WRONG! *** env.put(
> > Context.PROVIDER_URL,
> > "http://localhost:8080";
> >);
> >
> >try {
> > InitialContext initCtx = new InitialContext(env);
> > DataSource ds =
> >(DataSource)initCtx.lookup("java:comp/env/jdbc/test_db");
> > Connection conn = ds.getConnection();
> > Statement stmt = conn.createStatement();
> > ResultSet rset = stmt.executeQuery("SELECT * FROM tbl_test");
> > conn.close();
> > initCtx.close();
> >}
> >catch(NamingException e) {
> > fail("Naming exception thrown");
> >}
> >catch (SQLException e) {
> > fail("SQL Exception thrown");
> >}
> >
> >I start Tomcat, assuming that the pool is set up.  Then I use the client to
> >try to get an initial context from it.  This throws a naming exception,
> >because it doesn't know how to get an initial context for
> >org.apache.commons.dbcp.BasicDataSourceFactory at http://localhost:8080.
> >
> >My first question: can I do this?
> >My second question: If I can't do it like this, do I need to set up a JNDI
> >provider (like on JBoss) and set up the pooling there? My final question:
> >It "feels" as if my problem

Re: Tomcat version

[Yoav Shapira]

Howdy,
ServletContext#getServerInfo()

This is a FAQ, search the archives before you post.

Yoav Shapira

--- Billy Ng <[EMAIL PROTECTED]> wrote:
> Hi folks,
> 
> Is there any api to get the tomcat version?
> 
> Thanks!
> 
> Billy Ng


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RE: loadOnStartup: Default Context Resources unavailable?

[Yoav Shapira]

Howdy,

> Is there a place to put these definitions so that a new application
> deployed out of ant, for example, would be able to pick them up?

GlobalNamingResources in the server.xml file.

> Am I missing an easy way to create the context with resources using ant?

No, you're not AFAIK.

I still like putting them in the  rather than some global place, on
the princinple that web appliations should be self-contained.  Having a
fallback/default/global configuration just complicates debugging.  However, I
see it would be useful in development/testing.

Yoav Shapira


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Re: Java Process Pool

[Yoav Shapira]

Howdy,
Commons-pool is a generic pooling framework.  It's not specific (and in fact
not that good, because of sync issues) for threads.  Similarly, it's not
specific to Processes.  You would just use GenericObjectPool.  If you want to
synchronize things (or otherwise control thread-safety), you'd have to
subclass/wrap GenericObjectPool yourself.

In fact, come to think of it, SynchronizedGenericObjectPool may not be that bad
an addition to commons-pool.

Yoav Shapira


--- James Carpenter <[EMAIL PROTECTED]> wrote:
> What pool implementation of the Commons-Pool utility provides process based
> pooling as opposed to thread based pooling?  Remember that I need a process
> pool to circumvent issues with my JNI extended java code not being thread
> safe.  (The underlying C library being wrapped isn't thread safe.)
> 
> http://jakarta.apache.org/commons/pool/
> 
> - Original Message - 
> From: "Shapira, Yoav" <[EMAIL PROTECTED]>
> To: "Tomcat Users List" <[EMAIL PROTECTED]>
> Sent: Wednesday, July 02, 2003 1:40 PM
> Subject: RE: Java Process Pool
> 
> 
> 
> Howdy,
> You can use commons-pool for this.
> 
> The approach itself (pooling processes) is risky and likely to be
> non-portable.
> 
> Yoav Shapira
> Millennium ChemInformatics
> 
> 
> >-Original Message-
> >From: James Carpenter [mailto:[EMAIL PROTECTED]
> >Sent: Wednesday, July 02, 2003 4:38 PM
> >To: tomcat users list
> >Subject: Java Process Pool
> >
> >Does anyone know of a convenient way to create a Java process pool.  A
> >thread pool won't work as I am trying to pool some JNI code wrapping a
> C
> >library that isn't thread safe.
> >
> >I would rather not have to create my own pooling mechanism.
> >
> >Sincerely,
> >James Carpenter
> >Email: [EMAIL PROTECTED]
> 
> 
> 
> This e-mail, including any attachments, is a confidential business
> communication, and may contain information that is confidential, proprietary
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> whom it is addressed, and may not be saved, copied, printed, disclosed or
> used by anyone else.  If you are not the(an) intended recipient, please
> immediately delete this e-mail from your computer system and notify the
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RE: Page does not immediately display on restart

[Yoav Shapira]

Howdy,

>   Please be sure to try and access the page after giving the command to
> restart the container but before it has finished restarting.

Are you serious? ;)  That's not a valid test IMHO and I'm not going to try it
at all.  While the container is restarting and it's restarting, and I don't
expect anything to be available.

Yoav Shapira


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RE: Servlets/JSP crash, static content & manager app OK

[Yoav Shapira]

Howdy,
See intermixed -- there are a lot of different questions here ;)

> This turned out to be the case, but for a funky reason.  By using the

JDBC drivers are a frequent cause for this.  Another is JMS clients.

> It turns out that the SCSI backplane was the real problem and had to be
> replaced.  Since getting this server back up was the main priority, I didn't


Good piece of debugging there ;)  Those can be a pain.

> Connection.  I have since re-coded our ConnectionPool so that it abandons the
> Connection creation thread after 5 seconds (i.e. Thread.join(5000)).  There

It's interesting to hear this in light of the currently raging discussion among
the DBCP developers on whether DBCP should support abandoning connections after
a certain timeout.  See the DBCP messages from the past couple of days on the
jakarta-commons-dev mailing list for more details.

> >Turn on debug="99" in server.xml (wherever you see debug="0").  Same
> >thing for the servlets defined in $CATALINA_HOME/conf/web.xml.
>  
> Wowthat's a lot of logging on a production machine.  It was very hard to
> find anything useful inside all the clutter, but by selective use of
> debug="99" in certain containers it was at least manageable.

Yup, that's a ton.  In the presence of a hard to reproduce problem, I prefer to
start with overkill and then turn things off as I narrow down / rule out
possible causes.  It's a subjective thing ;)

> 
> No security manager.  I removed all the tomcat webapps besides manager and it
> didn't make a difference.  My real question is why does this runaway thread
> crash almost everything in Tomcat?  It doesn't seem to kill a lot of

It's a JVM effect.  It's not specific to tomcat, would likely happen in any
container.  The way it manifests itself might be particular to tomcat.

> resources.  If a single execution thread (from a servlet or JSP) goes on
> infinitely, why does it screw up the whole servlet container?  Or rather,
> part of the container since static pages and the manager app still worked
> fine even when things were bad.

It didn't sound like the manager app was fine (it was hanging and you had to
hit reload).  And I don't recall but I thought the static pages were simply
cached in your browser.

Consider the case of a single thread somewhere in the JVM doing
while(true);

Nothing else matters, the JVM will be stuck, no matter how well-written the
container is.

> On a related note, how do you know when you reach a load that exceeds the
> capacity of your server?  I'm happy to set up load-balancing if need be, but
> I have no idea how to detect the need other than anecdotal "slowness".

You determine an acceptable response time for a page.  You write a script that
calls the page.  You use a tool to run the script that lets you increase the
number of concurrent requests.  You run the script, measure response time, and
when it drops below the acceptable range, you've reached your max capacity for
the current configuration.  Then you start tuning, e.g. maxProcessors for your
connector.

There are ample free (and non-free) tools to do the above: The Grinder, Load
(from PushToTest), JMeter, wget, etc etc.

Yoav Shapira


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RE: Tomcat 5 - Jetspeed JSP Portlets do not display

[Yoav Shapira]

Howdy,

>   Well, it looks like its Tomcat 5.0.3.  I downloaded and installed
> Tomcat 4.1.24 and the Jetspeed JSP Portlets work just fine with it. 
> Anybody on the Tomcat 5 team listening?

I am, for one ;)  Now that you've opened a bugzilla item about it, so will
others.  

I've looked at the item (by the way, it's not a Blocker and likely to be
demoted) and was disappointed to not see any error logs.  Are there any
messages at all?  Can you post the JSP page that's not rendering?

Yoav Shapira

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Re: How to log all accessed URLs?

[Yoav Shapira]

Howdy,
Comment in the AccessLogValve in $CATALINA_HOME/conf/server.xml.

Yoav Shapira

--- Roman Fail <[EMAIL PROTECTED]> wrote:
> Is there an easy way to log all the URL's that clients have requested?  We
> are having serious intermittent problems on a production server, and a devil
> of a time figuring out what is causing them (Tomcat requires a kill -9 to
> stop!). I'm hoping we can examine the URLs from just before a crash and see
> if there is a pattern or a specific servlet/JSP with issues.
>  
> I am also evaluating the RootCause profiler on the production server, which I
> haven't mastered well enough to get anything useful out of yet.  
>  
> Tomcat 4.1.24 Standalone
> Sun HotSpot client JVM 1.4.1_02
> RH Linux 8.0 (2.4.18 kernel)
>  
> Thanks!
>  
> Roman Fail
> POS Portal, Inc.
>  
>  
>  
> 


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Re: tomcat and log4j

[Yoav Shapira]

Howdy,
It does work if you place logj4.properties in WEB-INF/classes and log4j.jar in
WEB-INF/lib.  If you could please be a bit more explicity when you say "This
does not seem to be working" perhaps I could help more.

Yoav Shapira

--- "Dean A. Hoover" <[EMAIL PROTECTED]> wrote:
> I want to use log4j inside a tomcat application. According
> to the log4j short manual, all I have to do is drop my
> log4j.properties file into WEB-INF/classes and then I can
> just use it. This does not seem to be working. Can someone
> help?
> 
> Thanks.
> 
> Dean Hoover
> 
> 
> -
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Re: Tomcat 5 - Jetspeed JSP Portlets do not display

[Yoav Shapira]

Howdy,
Are there any errors in the tomcat logs?  In the Jetspeed logs?  Considering
the developers of Jetspeed themselves use tomcat to develop and test, I'd be
surprised if there were out-of-the-box problems.

Yoav Shapira

--- grenoml <[EMAIL PROTECTED]> wrote:
> I have the following setup:
> J2SE 1.4.2-beta
> Tomcat 5.0.3
> Jetspeed 1.4-b4
> 
>   I installed the JPortal tutorials and I can add JSP Portlets to my
> panes, but there are problems.  The JSP Portlet title bar shows up on
> the pane but none of its contents will display.  This happens for any
> JSP Portlet type.  The only way I can manage to get the JSP Portlets to
> display is by selecting 'Edit account' at the top of the page (in the
> login area) and then just cancelling on the next page.  Has anyone else
> tried using Jetspeed JSP Portlets with Tomcat 5 and seen this behavior
> before?  Is this a Jetspeed problem?, a Tomcat problem?, a JDK
> problem?.  Any help would be appreciated.  
> 
> thx,
> Gerry Reno
> 
> P.S.  I also asked this question in the jetspeed-user list.
> 
> 
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RE: ServletException

[Yoav Shapira]

Howdy,
Perhaps the fact that in 4.0.x your JSPs were package-less and in 4.1.x they're
in org.apache.jsp?  (Or vice versa, I can never remember).

Anyways, why are you using the tomcat-specific HttpRequestFacade instead of the
servlet specification's HttpServletRequest?

Yoav Shapira

--- "Woodrich, Jason D (Jason)" <[EMAIL PROTECTED]> wrote:
> Ok, I tested this under standalone on 4.1 and on 4.0.6.  It works fine under
> 4.0.6 but has the ServletException under 4.1.  Anyone know if anything
> changed between the versions that would prevent HttpRequestFacade methods
> from being accessible from objects outside of the JSP?
> 
> Thanks
> 
> Jason Woodrich
> - Avaya, Inc.
> - Knowledge Management & Tools Development 
> 
> -Original Message-
> From: Shapira, Yoav [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, June 25, 2003 7:03 AM
> To: Tomcat Users List
> Subject: RE: ServletException
> 
> 
> 
> Howdy,
> First try to reproduce this problem using tomcat-standalone, to take out
> the apache variable.  That will make debugging easier.
> 
> Yoav Shapira
> Millennium ChemInformatics
> 
> 
> >-Original Message-
> >From: Woodrich, Jason D (Jason) [mailto:[EMAIL PROTECTED]
> >Sent: Tuesday, June 24, 2003 9:47 PM
> >To: [EMAIL PROTECTED]
> >Subject: ServletException
> >
> >I'm getting a ServletException when I try to access methods in a
> >HttpRequestFacade passed to one of my own classes.  It's being casted
> as a
> >HttpServletRequest in hopes to maintain portability.  I'm able to
> access
> >the methods fine from the JSP that passes the request variable, and the
> >reference is exactly the same when compared ..  but for some reason
> >whenever I call it from my class it freaks out and causes the
> >ServletException which leads to the JasperException ..
> >
> >For example:
> >
> >jsp file:
> >
> ><[EMAIL PROTECTED] language="java" import=".*" %> -->
> ><%
> >Cheese hi;
> >hi=new Cheese(request);
> >%>
> >
> >part of the class:
> >
> >public class Cheese {
> >  private HttpServletRequest _request;
> >  public Cheese (HttpServletRequest req) {
> >System.out.println("uri: "+req.getRequestURI());
> >}
> >  }
> >
> >Returned is:
> >org.apache.jasper.JasperException:
> javax/servlet/http/HttpServletRequest
> > at
> >org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.j
> ava:
> >254)
> > at
> >org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295
> )
> > at
> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > at
> >org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic
> atio
> >nFilterChain.java:247)
> > at
> >org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil
> terC
> >hain.java:193)
> > at
> >org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVal
> ve.j
> >ava:256)
> > at
> >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.
> invo
> >keNext(StandardPipeline.java:643)
> > at
> >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:
> 480)
> > at
> >org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >org.apache.catalina.core.StandardContextValve.invoke(StandardContextVal
> ve.j
> >ava:191)
> > at
> >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.
> invo
> >keNext(StandardPipeline.java:643)
> > at
> >org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:
> 480)
> > at
> >org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >org.apache.catalina.core.StandardContext.invoke(StandardContext.java:24
> 15)
> > at
> >org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.jav
> a:18
> >0)
> > at
> >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.
> invo
> >keNext(StandardPipeline.java:643)
> > at
> >org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherV
> alve
> >.java:171)
> > at
> >org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.
> invo
> >keNext(StandardPipeline.java:641)
> > at
> >org.ap

Re: Tomcat's Ant Tasks

[Yoav Shapira]

Howdy,
I don't particularly feel like download Appfuse and contributing patches to it
at the momeny -- no spare bandwidth ;(  However, a few comments on your wiki
page:

- If you have something that's working and are happy with, there's no need to
change to these ant tasks.

- Reload is not pointless, you don't have to do a deploy anyways if you want to
just reload an existing webapp (useful if you've changed, for example,
configuration files).

- The build.xml in the tomcat App Developer's guide contains task definitions
for these tasks, so you didn't have to write your own ;)

- I don't know why you're getting the JDBC driver null message, but I think
I've seen that before: searching the tomcat-user archives might help.

- I don't know why you're getting the IOException, and I don't think I've seen
it before, so I'd be curious if it's particular to your app, e.g. if something
in your app calls getRealPath() on startup or shutdown.

The Ant tasks are just another way to do things: some people find it
convenient.  I use them some times, when I feel like it.  I think Craig
McClanahan once mentioned he uses them exclusively now, hardly ever actually
restarting his tomcat instance.

Yoav Shapira

--- "Raible, Matt" <[EMAIL PROTECTED]> wrote:
> I'm having trouble using Tomcat's Ant Tasks.  I've written up a wiki page on
> how I'm using them and the problems I'm experiencing.  Any help is
> appreciated.
> 
> http://raibledesigns.com/wiki/Wiki.jsp?page=TomcatAntTasks
> 
> Thanks,
> 
> Matt
> 
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Re: Tomcat 4 and "DecodeInterceptor"

[Yoav Shapira]

Howdy,
Your DecodeInterceptor usage covered inappropriately designed web page ;)

Use a Filter to do this in tomcat 4.  You'll have to write a request charset
setting filter as that doesn't come built-in to tomcat.

Yoav Shapira

--- j p <[EMAIL PROTECTED]> wrote:
> Hi,
> 
> I have problem moving my App. to tomcat 4. On TC 3.3 I used
>  feature to force cp-1250 when decoding request
> data.
> I've searched this in TC 4.1, but I didn't find anything with similar
> functionality.
> I have following problem: I have jsp page with form, which has set
> contentType to
> "text/html; charset=windows-1250". When I'm processing posted data on
> another page,
> request.getParameter() returns incorrectly decoded strings - national
> characters are replaced with '?'.
> 
> Any help?
> 
> Thanks, Jan Peknik.
> 
>

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Re: custom error pages?

[Yoav Shapira]

Howdy,
Define an exception, e.g. MyException.  Define an error-page (in web.xml) for
that exception.  Throw that exception from your servlet.

Yoav Shapira

--- seera naveen <[EMAIL PROTECTED]> wrote:
> Hi,
>  
> I am using FORM based authentication and JNDIRealm.  Is it possible to have
> custom error pages in Tomcat?  Apart from Invalid username and password, I
> want to check for another attribute and if that attribute is not set, I want
> to throw another message.
>  
> Thanks
> Naveen
> 
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Re: Tomcat Standalone and Virtual Hosting

[Yoav Shapira]

Howdy,
This partially depends on your OS.  If you're on windows, you can just run
tomcat on port 80.  If you're on unix, port 80 is privileged and you need to:
- Work around that, e.g. by using sudo or commons-launcher
- Put an Apache front-end to serve static content on port 80, and connect it to
tomcat for dynamic content.

Either tomcat or apache by themselves support virtual hosting.  For tomcat, you
simply add more  elements in server.xml.  See the  configuration
reference in the tomcat docs.

Yoav Shapira

--- Latesha Williams <[EMAIL PROTECTED]> wrote:
> I have a web application deployed under Tomcat v4.1.18 (port 8080).  Is it
> also possible to configure the Tomcat Standalone Service to support virtual
> hosting, but on port 80?  If so, how is this accomplished?  What is the
> "best practices" method for storing static web content in this situation?
> Should the web content be placed in the Tomcat directory, or someplace else?
> Any guidance you can provide is appreciated.
> 
> Latesha Williams
> Applications Support, Information Technology
> American Museum of Natural History
> [EMAIL PROTECTED]
> (W) 212.769.5947
> (C) 917.837.2460
> 
> 
> 
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Re: newbie - program structure

[Yoav Shapira]

Howdy,
If you're just starting out with servlets/JSPs/webapps, follow the app
developer's guide instead of forming bad habits ;)  It's here:
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/appdev/index.html

Don't worry about Apache front-end and JK or other connectors for now.  Just
develop, deploy, test on tomcat-standalone first.  You'll likely find that the
performance, including for static resources, is sufficient for your needs.

Yoav Shapira


--- [EMAIL PROTECTED] wrote:
> I guess I am confused.
> 
> I set up my workers2.properties to link to
> /exmaples/jsp/*
> 
> then when I type in the ip/port of myu web server (NOT
> tomcat) /examples/jsp/dates/dates.jsp for example it
> comes up.
> 
> SO
> 
> I thought hey, you don't I copy an example into my
> main www dir and see if that works.
> 
> for some reason there are no jsp files in the
> examples, they are all .java and .class.  now I do use
> java files but I guess they do not actually in it is
> called by an htnl doc so not a big deal BUT why are
> these no .jsp? I searched all the examples/jsp and
> found no .jsp.
> 
> what the heck is going on?
> 
> correct me if I am wrong...
> what it seems to be is that when you set say
> /examples/jsp/*
> 
> that is then placed into the tomcat path. so if I
> wanted to branch out my own stuff, I would need to add
> a dir somewhere (I can look into that) and then link
> to that, I guess jsp does not like the company of
> other stuff, just likes to be on it's own.
> 
> still a little confused, and the file extensions! ???
> 
> 
> 
> 
> --- [EMAIL PROTECTED] wrote:
> > ok, I am used to Java and PHP and had a question
> > about
> > where to put jsp/servlet code. what is the best
> > thing
> > to do?
> > 
> > I am used to just putting it anywhere I want as long
> > as I sperate it how I would like BUt with jsp it
> > seems
> > you need to tell it the actual folders the jsp is
> > in.
> > 
> > what I was looking for is like, here is my normal
> > web
> > page strucutre, full of sub dirs.
> > 
> > /path/to/my/www/root/index.html et al
> > 
> > when I see a jsp file, to send to tomcat.
> > 
> > is this possible, I am not sure how the magic
> > happens.
> > 
> > where does the jsp file go? in the normal www
> > structure and the processing is passed on that file
> > to
> > the tomcat process for execution, correct?
> > 
> > I don't see how to set it up recurvisly it does not
> > seem to work? I know I can do *.jsp etc.
> > 
> > Thanks
> > 
> > __
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Re: heap size config

[Yoav Shapira]

Howdy,

>In Unix, java will make
> 512MB swap every time we make a System Runtime call.

I don't think so: can you prove the above?

>Will this
> hurt the Tomcat preformnace? 

Lowering -Xms will only slightly degrade performance during the allocation
phase.  The effects are negligible during that phase and none afterwards.

>I read the article from Sun saying the -Xms and
> -Xmx should be the same.  Is it always true?

No.  Almost nothing in the realm of performance tuning is always true.  Setting
-Xms equal to -Xmx is useful only if you're going to have a constant level
memory usage more or less throughout the life of your JVM.  If you start low
and stay low until peak demand comes in, keeping -Xms low is more beneficial. 
GC and other operations are always faster on a smaller heap.

Of course, nothing is more beneficial then having stress tests to run against
different combinations of settings.  That way you can see the actual effect on
your system intead of relying on me or someone else's article.

Yoav Shapira



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Re: CVS snapchot compile problems

[Yoav Shapira]

Howdy,
I guess you're trying to buld tomcat 5?  Are you going the download way or the
build.properties way?

Yoav Shapira

--- Antonio_Fiol_Bonnín <[EMAIL PROTECTED]> wrote:
> Hello,
> 
> I have just followed the instructions on 
> http://jakarta.apache.org/tomcat/building.html and I get the following:
> 
> [... (successful) beginning of build and some blank lines removed ...]
> build-servletapi:
>  [echo] == Building: 
> ./binaries/servlet-api-2.4/lib/servlet-api.jar
> prepare:
> static:
> compile:
> examples:
> javadoc:
> jar:
>  [copy] Copying 1 file to 
> /home/fiol/tomcat-build/jakarta-servletapi-5/jsr15
> 4/build
>   [jar] Building jar: 
> /home/fiol/tomcat-build/jakarta-servletapi-5/jsr154/bi
> naries/servlet-api-2.4/lib/servlet-api.jar
> dist:
> [... I understand that servlet API has been built correctly, then 
> jarred, so it's OK ...]
> [... however ...]
> build-jspapi:
>  [echo] == Building: ./binaries/jsp-api-2.0/lib/jsp-api.jar
> prepare:
> static:
> compile:
> [javac] Compiling 42 source files to 
> /home/fiol/tomcat-build/jakarta-servlet
> api-5/jsr152/build/classes
> [javac] 
> /home/fiol/tomcat-build/jakarta-servletapi-5/jsr152/src/share/javax/
> servlet/jsp/JspFactory.java:58: cannot resolve symbol
> [javac] symbol  : class Servlet 
> [javac] location: package servlet
> [javac] import javax.servlet.Servlet;
> [javac]  ^
> [javac] 
> /home/fiol/tomcat-build/jakarta-servletapi-5/jsr152/src/share/javax/
> servlet/jsp/JspFactory.java:59: cannot resolve symbol
> [javac] symbol  : class ServletRequest 
> [javac] location: package servlet
> [javac] import javax.servlet.ServletRequest;
> [javac]  ^
> [javac] 
> /home/fiol/tomcat-build/jakarta-servletapi-5/jsr152/src/share/javax/
> servlet/jsp/JspFactory.java:60: cannot resolve symbol
> [javac] symbol  : class ServletResponse 
> [javac] location: package servlet
> [javac] import javax.servlet.ServletResponse;
> [javac]  ^
> [... and some more errors: it seems it is not finding the servlet API ...]
> 
> Any clues?
> 
> I am not quite familiar with ANT so I don't know how I can force the 
> JSR152 compile to include servlet-api.jar in its classpath. Would anyway 
> this be the solution? I suppose if it was, someone would have spotted it 
> before...
> 
> Antonio Fiol
> 
> 
> 

> ATTACHMENT part 2 application/x-pkcs7-signature name=smime.p7s



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Re: java processes created by tomcat

[Yoav Shapira]

Howdy,
How I wish people would search the archives ;(  This is a consequence of
linux's reporting of java threads as processes: all of these processes are one,
sharing the same amount of memory.

Yoav Shapira

--- siddharth <[EMAIL PROTECTED]> wrote:
> hello,
> 
> 
> I am running following servers on my linux machine
> 
> 1. tomcat4  using many JSPs and Servlets
> 2. apache
> 3. qmail
> 4. postgresql
> etc.
> 
> Tomcat is the only process which is usijg java.
> 
> when i do 'top' and 'sort by memory usage' i get
> following output.
> 
> -
> 
>  2:10pm  up  5:24,  5 users,  load average: 0.22,
> 0.52, 0.83
> 168 processes: 166 sleeping, 2 running, 0 zombie, 0
> stopped
> CPU states:  1.1% user, 17.6% system,  0.0% nice,
> 81.1% idle
> Mem:   384416K av,  381356K used,3060K free,
> 2324K shrd,   11720K buff
> Swap:  522072K av,   60548K used,  461524K free
>71616K cached
> 
> 
> 
>   PID USER PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM
>   TIME COMMAND
>  9458 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:24 java
>  9489 root   8   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9490 root   9   0  118M 115M 23768 S 0.0 30.8
>   1:45 java
>  9491 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9495 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:01 java
>  9502 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9537 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9538 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9539 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:05 java
>  9639 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9717 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9719 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9720 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9721 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9723 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9724 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9725 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9726 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9727 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9728 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9729 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9730 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9731 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9732 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9733 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9734 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9735 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9736 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9737 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9738 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9739 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9740 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9741 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9742 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
>  9743 root   9   0  118M 115M 23768 S 0.0 30.8
>   0:00 java
> 
> -
> 
> ***
> Notice that first page displayed by output of 'top' is
> full of JAVA processes ...
> 
> 
> is this a problem ? because my machine is getting
> heavily loaded. ( with around 400 MB of RAM )
> 
> 
> 
> please help
> 
> thanks.
> 
> 
> -- 
>   siddharth
>   [EMAIL PROTECTED]
> 
> -- 
> http://www.fastmail.fm - Faster than the air-speed velocity of an
>   unladen european swallow
> 
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Re: tomact shutdown issue

[Yoav Shapira]

Howdy,
There's always the obvious question: are you sure tomcat is running when you're
shutting it down?  The simplest cause for this error message is that tomcat is
not running.

A slightly less obvious reason is that tomcat could not start up properly, and
could not open a listening socket on the shutdown port.  Use netstat or an
equivalent command to make sure tomcat is listening on the shutdown port when
you're issuing the shutdown command.

Yoav Shapira

--- [EMAIL PROTECTED] wrote:
> tomcat 4.1.24
> redhat 7.3
> apache 1.3.20 
> jdk j2sdk1.4.1_02
> 
> tomcat is installed and is runnable
> 
> when I try to close down using either the shutdown or
> the redhat shutdown script I get the error given
> below, now I have spent time searching and looking int
> he archive and see this is produced when tomcat is not
> running and is shutdown already, however this is not
> true in my case, if I do a ps auwx, I am still showing
> it running. The amazing thing is that sometimes it
> does shutdown, but it takes a few tries. ODD
> 
> Please help
> 
> PS I am a tomcat newbie so if you need any listings of
> files please let me know
> 
> Thanks
> 
> 
> shutdown error 
> --
> Using CATALINA_BASE:   /var/tomcat4
> Using CATALINA_HOME:   /var/tomcat4
> Using CATALINA_TMPDIR: /var/tomcat4/temp
> Using JAVA_HOME:   /usr/java/j2sdk1.4.1_02
> Catalina.stop: java.net.ConnectException: Connection
> refused
> java.net.ConnectException: Connection refused
> at
> java.net.PlainSocketImpl.socketConnect(Native Method)
> at
> java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:305)
> at
> java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:171)
> at
> java.net.PlainSocketImpl.connect(PlainSocketImpl.java:158)
> at java.net.Socket.connect(Socket.java:426)
> at java.net.Socket.connect(Socket.java:376)
> at java.net.Socket.(Socket.java:291)
> at java.net.Socket.(Socket.java:119)
> at
> org.apache.catalina.startup.Catalina.stop(Unknown
> Source)
> at
> org.apache.catalina.startup.Catalina.execute(Unknown
> Source)
> at
> org.apache.catalina.startup.Catalina.process(Unknown
> Source)
> 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:324)
> at
> org.apache.catalina.startup.Bootstrap.main(Unknown
> Source)
> 
> 
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Re: FAQ? JDK 1.4 Logging in Tomcat - long and discussive

[Yoav Shapira]

Howdy,
You haven't missed something simple.  In fact, I'd venture you've spent more
time and thought (and reached better conclusions and solutions) that most
people who've considered the problem.

Ditch JDK 1.4 logging.  Use log4j.  Everything you want here can be done using
log4j's Repository Selector: and it's even done for you for a webapp/context
environment such as tomcat in Jacob Kjome's servlet context repository
selector, currently available in the log4j sandbox and slated for inclusion in
log4j 1.2.x.

Yoav Shapira

--- Tim Shaw <[EMAIL PROTECTED]> wrote:
> Feedback welcome - I've been working on this without much help, and 
> others may well have more experience (which I'd like to benefit from too).
> I would love to use a better approach than that described here ...
> 
> I needed to be able to log my various (multiple-context) web apps. As I 
> couldn't get commons-logging to work with the JDK 1.4 logging, I went 
> the 'direct' route ... and it turns out it wasn't the commons-logging 
> that was the 'problem'. 'Logging' below refers to the JDK 1.4 
> java.util.logging facility ...
> 
> Most of the stuff on the web just takes you through the api, and shows 
> how easy it is to get logging to work.
> That's fine - it actually is fairly easy to program to.
> 
> However ...
> 
> Running Tomcat, I wanted multiple applications logging to different 
> areas (files and/or db etc), and I started to run into difficult behaviour.
> 
> The problem I had was to load my logging configurations into the 
> LogManager - not the mechanism, but the practice. This is a singleton, 
> within the scope of the bootstrap class loader. Consequently, the same 
> object is shared across all contexts (and Tomcat itself). This means 
> that resetting it and then loading an app-specific config file is not an 
> option. Loading an app-specific properties file is an option (via 
> getResourceAsStream), but that has the further restriction that each 
> web-app has to have a distinct namespace (see below). The properties 
> file is not very functional anyway - it specifies defaults for defaults!
> 
> There is a 'config' option, which allows you to specify a Class for 
> logging initialisation ... but this class has to be accessible from the 
> bootstrap loader (common/lib, shared/lib ... nope! - it's gotta be in 
> jre/lib/ext).
> 
> Ideally, I would like to be able to supply an app-specific logging 
> configuration file as part of the deployment of my web-app. Potentially, 
> this could be done by loading a data-file from the context and 
> interpreting it to provide the appropriate logging structure (loggers, 
> handlers etc).
> 
> But ... I have controller servlets in different contexts extending the 
> same class from a 'utility' jar (implementing the Command pattern for 
> Servlets). Most of the code is in the super-class (action class 
> retrieval/activation etc).
> Following the logging examples, using the class name as the logging 
> context, and making the log variable visible (protected) down to the 
> sub-classes, I end up with multiple log files (logging expands the %u to 
> provide a unique filename when it can't open[?] the file ... I don't 
> even want to guess what it does when the %u isn't given).
> Additionally, I can't find a way to determine whether the logging had 
> been initialised for a given context.
> This means that (IMHO) utility classes cannot log!
> 
> I have ended up by extending the logging.properties mechanism, in the 
> time-honoured way, by adding '.' separated properties for each 
> logging-context :
> eg .handler.level = INFO
> .handler.class = com.xxx..DBHandler
> etc
> These are then added into the (system-wide) logging.properties file, and 
> the Class which interprets them is specified in the config and has to be 
> jar'd into the jre/lib/ext.
> Additionally, I have removed all logging-system stuff from my utility 
> classes. I only get a Logger when I have a sufficiently unique path to 
> guarantee no conflicts.
> 
> This gives me the flexibility I need to log multiple apps in an 
> appserver (tomcat) environment ... but I'm not very happy with it. It 
> could be refactored to allow each context's Controller to load their own 
> properties, and then interpret those (on my list of things to do), but 
> this relies on calling a log-initialisation routine ... not something I 
> want to do within 'client' JSP's (which live in another context). I have 
> put JSP's into a different package (component separation - no problem), 
> so the current setup allows me to specify that package as a

Re: Best practice development directory layout for deploying exploded war

[Yoav Shapira]

Howdy,
My advice would be to follow the guide here:
http://jakarta.apache.org/tomcat/tomcat-4.1-doc/appdev/index.html

Don't use the space under tomcat's webapps directories as a live development
space.  Only deploy built applications there.  That means develop them
elsewhere on your file system, in a version-controlled tree.  Have an ant
script that builds your app and deploys it to the tomcat installation.

Yoav Shapira

--- "White, Joshua A (HTSC, CASD)" <[EMAIL PROTECTED]> wrote:
> Hello all,
> 
> My company is contemplating the idea of deploying servlet applications on
> Tomcat in production. (woohoo!)
> 
> I am hoping that some of you may suggest some best practices for laying out
> your development directory structure.  I have my directory structure layed
> out like an expanded war file.  If I point tomcat to this directory for
> expanded deployment, it makes it easy to edit/source control jsp files.  It
> also makes copying/updating/deleting jar/lib files a pain.  Do people set up
> a empty classes directory under the web-inf to source control their
> properties files or is it better to put them in a separate directory and
> copy them there?
> 
> Is the best practice to do it this way or to copy your jsp/classes/libs to
> another exploded directory all together?
> 
> Best Regards,
> 
> Joshua
> 
> 
> 
> 
> 
>   
> 
> 
> This communication, including attachments, is for the exclusive use of 
> addressee and may contain proprietary, confidential or privileged 
> information. If you are not the intended recipient, any use, copying, 
> disclosure, dissemination or distribution is strictly prohibited. If 
> you are not the intended recipient, please notify the sender 
> immediately by return email and delete this communication and destroy all
> copies.
> 
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Re: Class cast exception ...

[Yoav Shapira]

Howdy,
Print out the value of session.getAttribute("DBREADER") before you set it: that
way you can see what its real runtime class is.  It probably won't be that
locationHelper class you're trying to cast into...

Yoav Shapira

--- Mufaddal Khumri <[EMAIL PROTECTED]> wrote:
> Made a typo in my previous email .. heres the corrected email:
> 
> I get the following error in tomcat:
> 
> java.lang.ClassCastException
>   at 
> org.apache.jsp.EditOffering_jsp._jspService(EditOffering_jsp.java:129)
> 
> I looked at EditOffering_jsp.java and it has this at line 129:
> 
> locationHelper = 
> (com.wavesinmotion.cw.classes.jsphelpers.LocationHelper) 
> pageContext.getAttribute("locationHelper", PageContext.SESSION_SCOPE);
> 
> which in the corresponding .jsp page is:
> 
>  class="com.wavesinmotion.cw.classes.jsphelpers.LocationHelper" 
> scope="session">
>   property="dbReader"
>value="<%= 
> session.getAttribute("DBREADER")%>" />
>   property="dbWriter"
>value="<%= 
> session.getAttribute("DBWRITER")%>" />
> 
> 
> Does anybody have any idea as to why i am getting this class cast 
> exception ?
> 
> Thanks.
> 
> 
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Re: rotating catalina.out

[Yoav Shapira]

Howdy,

> OTOH - After the startup message - nothing really should be written to it
> without making an effort to do so. So only badly written code which uses
> System.out/err will be the victim. This is the incentive to use a real
> logging package. Allowing rotation allows reward of bad code.

I agree in principal but reality is different.  People writing a module often
can't/don't require the user of the module (which is another software app) to
install a logging package.  System.out/System.err is the lower common
denominator, and I think it's a reasonable thing to use if you don't know
whether logging services will be available elsewhere.

This why containers should provide their administrator with means to divert
System.out/System.err into the container's logging mechanism.  Tomcat does this
with the swallowOutput feature.  IMHO, swallowOutput should be true by default,
so maybe I'll push for that in tomcat 5 ;)

When swallowOutput is true, the output gets redirected to the appopriate tomcat
logger, which rolls itself over nightly automatically.

Yoav Shapira

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RE: rotating catalina.out

[Yoav Shapira]

Howdy,

> I am gonna ask the developers to switch to log4j instead of System.out, they
> might give me the finger :)

I wouldn't give you the finger ;)  There was a discussion in the winter about
making tomcat 5.x use log4j internally.

Yoav Shapira


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Re: tomcat linker error

[Yoav Shapira]

Howdy,

> also.. why do you believe that its a dll and not a jar error? thanks. --alex

Because System.loadLibrary() is not a call for jars or classes.  It's for JNI
resources, which on windows are DLLs 99% of the time.  As I said previously,
there's very little chance of help on this topic on this list: you should ask
whoever wrote the msjava.tools.nativ.MSJNIManager component for documentation /
assistance.

Yoav Shapira

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Re: Installing Tomcat on solaris

[Yoav Shapira]

Howdy,
What errors are in the tomcat logs?

Yoav Shapira

--- Ozge Gundogdu <[EMAIL PROTECTED]> wrote:
> 
> 
> 
>  Hi;
>  I have been trying to install tomcat 4.0.4 on solaris 5.7. and set the
>  environment variables
>  JAVA_HOME=/usr/java1.2
>  CATALINA_HOME=/usr/local/jakarta-tomcat-4.0.6
>  then I run tomcat with this command,
>  ./startup.sh
>  It gives normal response like that
>  
>  Using CATALINA_BASE: /usr/local/jakarta-tomcat-4.0.6
>  Using CATALINA_HOME: /usr/local/jakarta-tomcat-4.0.6
>  Using CATALINA_TMPDIR: /usr/local/jakarta-tomcat-4.0.6/temp
>  Using JAVA_HOME: /usr/java1.2
>  
>  But when I did ps , I cannot see any instances of java running. and when I
>  run http://localhost:8080 it gives "page cannot be displayed " error.
>  
>  Thaks for your response!
>  
>  Ozge Gundogdu
> 
> 
> 
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Re: JVM Profilers

[Yoav Shapira]

Howdy,

> I am considering purchase of JProfiler, OptimizeIt 5.5, or JProbe.  Does
> anyone have wisdom to share on the features of each?  Are there other good
> profilers I should consider?

I like OptimizeIt, having used them all.  But the features are fairly similar. 
A Profiler is a key tool I highly recommend using frequently.

However, profilers are not designed for production use.  They will require much
more memory (often an order of magnitude) and slow down the system (again,
often by an order of magnitude or more) when running.  For production, there's
no substitute for good logging that you can control at runtime, e.g. log4j.

> We have been experiencing regular JVM crashes on our production Tomcat 4.1.24

What does the hs_err file say?

> installation.  Originally we were running the Sun HotSpot 1.4.1_02 client,
> then server (on RH Linux 8.0).  Now we've switched to BEA JRockit 8.1 and are
> still having crashes, clearly something is bad in our code - or perhaps we

Maybe you need to try on a different OS?  A different linux kernel?  On
Solaris, for example, you will get JDK crashes unless you download the Sun OS
patches for the JDK.

> We recently migrated from a Windows 2000/ServletExec 3.1/Sun HotSpot client
> 1.3.1 environment which didn't have these problems - I'm not sure what to
> think at this point.  

And the code didn't change, right?  You only migrated do a different OS and a
different VM?

> Please reply directly to me (and cc the list) as I receive only the digest
> version.

Use the archives ;)  I like the ones at AIMS.

Yoav Shapira


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Re: webapp outside of /webapp

[Yoav Shapira]

Howdy,

> when I start tomcat,  the file localhost_med_log.txt has the following
> errors:-
> 
> 2003-06-11 19:03:27 StandardContext[/jmed]: Error configuring application
> listener of class listeners.ContextListener
> java.lang.ClassNotFoundException: listeners.ContextListener
> 
> and
> 
> 2003-06-11 19:03:27 StandardContext[/jmed]: Error configuring application
> listener of class listeners.SessionListener
> java.lang.ClassNotFoundException: listeners.SessionListener

So, make those listener classes available under your docBase (c:\med..)
WEB-INF\classes\... or WEB-INF\lib directory ;)

Yoav Shapira

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Re: lag when restarting tomcat

[Yoav Shapira]

Howdy,
You can reduce startup time by eliminating unneeded applications.  In
production servers, I hardly ever leave anything but the webapp itself: I
remove the admin, manager, docs, webdav, examples, ROOT contexts.  

Things that affect shutdown include your custom finalizers, if any.  Similarly,
destroy() methods in servlets, filters, and various shutdown methods in
listeners can take time to invoke and execute.

If you're really annoyed by this and care enough to contribute code, why don't
you profile tomcat startup to see where CPU time is spent, and then suggest
patches? ;)

Yoav Shapira

--- Euan Guttridge <[EMAIL PROTECTED]> wrote:
> If I bounce tomcat via the /bin/shutdown.sh & /bin/startup.sh scripts it
> takes at least 20 seconds until it responds again. This is still after my
> war has been unpacked and jsps compiled.. Any suggestions please?
>  
> Running standalone, on linux 2*700mhz, 1GB. One application 30mb.
>  
>  
> Thanks
> Euan
>  
> 


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Re: Tomcat and JNDI - Basic Question

[Yoav Shapira]

Howdy,
It might be that the fallback behavior is to use a public no-args constructor,
ala JavaBeans.

Yoav Shapira

--- Renato Romano <[EMAIL PROTECTED]> wrote:
> In the tomcat documentation it is said that to configure a new JNDI
> resource you should put a Resource entry in the Context portion of my
> app, and a following ResourceParams, indicating the java class name of
> the factory (the class that must implement ObjectFactory). This seems
> quite correct: in order to build an object, I need a Factory!! But I
> noticed it works fine even if the ResourceParams is not present ?? The
> conclusion is: I'm surely missing something !! How can Tomcat know how
> to build my object if I don't give the name of the factory class ???
> 
> 
>   
>   
>   
>   
> 
> Any Help Appreciated!!
> Renato
> 
> 
> Renato Romano
> Sistemi e Telematica S.p.A.
> Calata Grazie - Vial Al Molo Giano
> 16127 - GENOVA
> 
> e-mail: [EMAIL PROTECTED]
> Tel.:   010 2712603
> _
> 
> 
> 
> 
> -----
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Re: Migration to Tomcat from Weblogic 5.1

[Yoav Shapira]

Howdy,
If your web application is coded and deployd according to the servlet
specification, you should just be able to drop it into tomcat without changes.

The more Weblogic-specific stuff you have, the more painful your migration will
be.  For example, all com.bea or com.weblogic classes you use will need to be
removed and the classes using them rewritten.  If your web.xml has non-standard
elements or elements in a non-standard order, you will need to correct that. 
If you rely on an invoker servlet, i.e. you have URLs like
/servlet/com.yourcompany.yourservlet in your webapp, you will need to either
comment in tomcat's invoker servlet or map your servlets in your web.xml file.

Other than that, give it a shot and let us know if you run into any problems...

Yoav Shapira

--- Subramaniam Kumar <[EMAIL PROTECTED]> wrote:
> Can someone point to 'migration steps' to migrate from Weblogic 5.1 to Tomcat
> 4.1.24.
>  
> I would like to gather all the migration details which will help the
> application developers. Even if the document doesn't exits , I think it will
> be useful for the Tomcat user community.
>  
> I greatly appreciate if folks could share their knowledge/experience.
> 
> 
> -
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> Free online calendar with sync to Outlook(TM).


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RE: [SOLVED] -Xincgc, -Xms600, -Xmx600

[Yoav Shapira]

Howdy,

> I finally managed to get my issue sorted out. After installing Tomcat
> on another machine to do some testing I noticed that it had the following
> value in the registry:
> 
> JVM Library: C:\jdk1.3.1_03\jre\bin\hotspot\jvm.dll

> Any comments?

Yeah, windows sucks ;)  I dislike it when settings like this are not
transparent and easy to debug.

Second comment: glad you got it fixed, and thanks for posting the update.

Yoav Shapira


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RE: Assessing Tomcat's State

[Yoav Shapira]

Howdy,
I use nagios for this: www.nagios.org.

Yoav Shapira


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Re: Run Tomcat not as root

[Yoav Shapira]

Howdy,
Tomcat is a java program: whatever runs the java command is what runs tomcat. 
So if you create a user named tomcat with permission to run
$JAVA_HOME/bin/java, you're pretty much all set.  Make sure the user has rwx
permissions to tomcat's logs, temp, and work directories, and at least read
permissions for all the webapps.

Yoav Shapira

--- [EMAIL PROTECTED] wrote:
> Hi,
> How do I get it so that Tomcat does not run as root when I start it up on
> 
> Linux? I know in Apache I create a new group and user and set it inthe 
> httpd.conf file. What is the best way to have the Tomcat run as user tomcat.
> 
> Thanks,
> Kevin
> 
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Re: Clear user session

[Yoav Shapira]

Howdy,
Something else is modifying the session (adding/removing attributes or
otherwise modifying the backing collection of your session_var enumeration)
while you're iterating through it.

>  while(session_var.hasMoreElements())
>  {
>  String key=(String)session_var.nextElement();

You need to make the above code synchronized on the session.  This may not be
as trivial as it sounds: for example, it might be impossible if your
environment is clustered.

Alternative options include doing this on session passivation or destruction
(probably the former), using the appopriate listener.  

Why are you clearing all the attributes instead of a specific one?  

Yoav Shapira


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Re: All threads are busy, waiting

[Yoav Shapira]

Howdy,

> Is it the maxProcessor option?

Yes.  See the configuration reference for the Connector element for details.

Yoav Shapira


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Re: Assessing Tomcat's State

[Yoav Shapira]

Howdy,
Note that the premise of your question is flawed without a precise definition
of "starting up" and "shutting down."  Consider a tomcat instance with N
webapps, each of which with one ServletContextListener.  Tomcat on startup will
send the contextInitialized event to each of these listeners.  Each listener
may do things that take a long time, and may or may not do them in the
background.  

In the above scenario, when is the "starting up" state over and the "started"
state entered?  Is it when tomcat sends all N events, or when all N events are
done processing?

Similar scenarios can easily be construed for shutting down, and they are not
limited to listeners as filters and servlets can all do varying amounts of
processing on startup and shutdown.

All of this may not matter in your scenario, so you may not have to worry about
it at all ;)  But they are important to keep in mind if you're trying to come
up with some sort of general solution.

Yoav Shapira


--- "Francisco J. Bido" <[EMAIL PROTECTED]> wrote:
> That's a good idea.  Thanks!
> 
> Take care,
> -FB
> 
> 
> On Saturday, June 7, 2003, at 03:23  PM, Tim Funk wrote:
> 
> > The easy kluge is to hack the startup scripts  (or write wrappers) 
> > around the startup scripts to maintain this status in some file, for 
> > arguements sake: cowbell.txt
> >
> > In startup.sh --> echo "starting" > cowbell.txt
> > In startup.sh, a timer does wgets on a static asset. Once the asset is 
> > returned correctly: echo "started" > cowbell.txt
> >
> > In shutdown.sh --> echo "stopping" > cowbell.txt
> > In shutdown.sh --> A timer looking for the java process id. Once the 
> > process ID is gone, echo "stopped" > cowbell.txt
> >
> >
> > -Tim
> >
> > Francisco J. Bido wrote:
> >> Thanks Tim,
> >> Those suggestions work pretty well for checking the "running" and the 
> >> "stopped" states.  The ones giving me a headache are really "starting 
> >> up" and "shutting down".The only thing I can think of at this 
> >> point is to monitor the size of catalina.out and trigger an event 
> >> went it doesn't change.
> >> This is nasty since many things can cause the file to appear idle 
> >> i.e., a busy CPU.  Any thoughts on these assessing these remaining 
> >> states?
> >> -FB
> >> On Saturday, June 7, 2003, at 02:41  PM, Tim Funk wrote:
> >>> Depending on your needs if you just need UP or down, you can use 
> >>> wget or a similar agent.
> >>>
> >>> You can also set CATALINA_PID in unix before calling the startup 
> >>> scripts and the file referenced by CATALINA_PID will contain the 
> >>> process ID.
> >>>
> >>> Or you can write a LifeCycle Listener to trap startup and shutdown 
> >>> events.
> >>>
> >>>
> >>> -Tim
> >>>
> >>> Francisco J. Bido wrote:
> >>>
> >>>> Is there any way to assess Tomcat's state via an environment 
> >>>> variable?  For example, I would like to poll an environment 
> >>>> variable to see if Tomcat is:
> >>>> 1. starting up
> >>>> 2. running
> >>>> 3. shutting down
> >>>> 4. stopped
> >>>> There're a bunch of other states out there but the above fulfill my 
> >>>> immediate needs.
> >>>> Parsing through the catalina.out log file is the only way I know 
> >>>> how to do this but this is approach is way too clumsy and ugly.
> >>>> Thanks!
> >>>> -FB
> >>>>
> >>>
> >>>
> >>> -
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> >>>
> >> -
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> >
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> 
> 
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Figuring out which Unix process is which

[Yoav Shapira]

Hi,
We run multiple instance of tomcat using the same JAVA_HOME,
so when we run a ps command (Solaris 2.8) we see a bunch
of java processes, but can't tell which one is which instance
of tomcat.  Does anyone have any ideas to help this problem?

It's not possible for us to run the processes as different 
users, and the path is too long for the different CATALINA_OPTS
to show through.  

I realize this may be more of a Unix question, but if anyone
has suggestions, I'll be glad to hear them.  Thanks in advance,

Yoav Shapira
Millennium Pharmaceuticals

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Re: Problems using own XML parser

[Yoav Shapira]

Hi,
JAXP is just a set of interfaces to isolate you from the parser
implementation class.  We use JAXP and have switched from Xerces
to Crimson and back at runtime without restarting the server and
without any problems.  

As to the performance of various parsers: you may find that what
matters more than the parser implementation is your approach,
e.g. SAX, DOM, XSLT, etc.  Just a couple of days ago, Sun
published a performance comparison of various parsers (including
Crimson and Xerces.  I don't remember if aelfred was included)
and various parsing approaches.  Check it out on the java.sun.com
site (there's also a link from www.theserverside.com).

Good luck, 

Yoav Shapira

John Wadkin wrote:
> 
> Rick,
> 
> Simple question, here comes the complex answer :)
> 
> I'm a student who's working for my Uni for a year. I'm working on a small
> project to look at how best to implement a new Government recommendation -
> that all Higher Education institutions in the UK have some sort of Personal
> Development Planning (PDP) for students.
> The project is funded by the Higher Education Funding Council (HEFC -
> "f-ki"), so we don't have a lot of cash! Unlike America, education in the UK
> hasn't yet sold out to the big multinationals ("Coca Cola day"). This means
> that instead of using a proper server, I'm having to make do with a
> workstation - a Sun Ultra 10. I'm no expert on servers, loads, load
> balancing and all that, but I should imagine that performance will be a
> problem. In view of this, I'm keen to squeeze as much out of the "server" as
> I can. The person who actually wrote the servlet recommends using Aelfred
> because of it's speed, hence my asking about using a parser other than
> Xerces.
> Thanks to Charlie, I checked the bug database - didn't think it would be
> bug, and it isn't. The bug database mentioned postings on the list about XML
> parsers, which I've read. From what I can tell (it isn't too clear):
> 
> 4.0.1 only works with xerces.jar in common/lib - no per-WebApp parser is
> permitted
> 4.0.4 will allow per-WebApp parsers so long as it implements something
> called JAXP - i.e. xerces
> 
> Looks like the developers have been reading Microsoft's marketing strategy
> :) I might have it totally wrong - I don't fully understand all the stuff
> about parsers and classLoaders - nor should I!
> 
> Thanks,
> 
> John
> 
> 
> Quote for the week:
> 
> The stupid neither forgive nor forget; the naive forgive and forget; the
> wise forgive but do not forget.
> 
> Thomas Szasz, The Second Sin (1973)
> 
> -Original Message-
> From: Rick K [mailto:[EMAIL PROTECTED]]
> Sent: 13 March 2002 06:09
> To: Tomcat Users List
> Subject: RE: Problems using own XML parser
> 
> Maybe you covered this before, but:
> Why doesn't Xerces meet your needs?
> 
> I'm not much of an XML expert, I'm just curious.
> 
> --- John Wadkin <[EMAIL PROTECTED]> wrote:
> > Charlie,
> >
> > It seems from:
> >
> >
> http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6374
> >
> >
> http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6628
> >
> > That webApps *can't* have their own parser. Stuck
> > with Xerces 1, then! Taken
> > a week to find that out :)
> >
> > Thanks,
> >
> > John
> >
> > Quote for the week:
> >
> > The stupid neither forgive nor forget; the naive
> > forgive and forget; the
> > wise forgive but do not forget.
> >
> > Thomas Szasz, The Second Sin (1973)
> >
> >
> > -Original Message-
> > From: Cox, Charlie [mailto:[EMAIL PROTECTED]]
> > Sent: 12 March 2002 16:27
> > To: 'Tomcat Users List'
> > Subject: RE: Problems using own XML parser
> >
> >
> > see the archives or bugzilla as this was addressed
> > in 4.0.3 or 4.0.4b1(I
> > don't remember which one)
> >
> > Charlie
> >
> > > -Original Message-
> > > From: John Wadkin [mailto:[EMAIL PROTECTED]]
> > > Sent: Tuesday, March 12, 2002 10:59 AM
> > > To: 'Tomcat Users List'
> > > Subject: RE: Problems using own XML parser
> > >
> > >
> > > I'm not privy to the workings of the servlet.
> > There's a
> > > properties file I
> > > edit to indicate the name of the SAX driver:
> > >
> > > #Xerces
> > >
> > sax.driver.name=org.apache.xerces.parsers.SAXParser
> > >
> > > OR
> > >
> > > #Aelfred
> > > sax.driver

I WANT System.exit(0) ;)

[Yoav Shapira]

Hi,
So tomcat4.0.2 remove the System.exit(0) call at the end of the
Bootstrap class, and there are good reasons to not have it there
(for embedded invocations of tomcat, etc.).  I'm also aware
of the possible harm of System.exit(0) and the use of SecurityManager
to prevent that.

Here's my situation, though: I use 3rd party code that I trust but
cannot modify, and I think this code creates threads and does not
interrupt/kill them appropriately.  Therefore, when I shutdown 
tomcat, the tomcat process never dies.  It stays resident in memory
etc.  This is not acceptable for us, so we can't use tomcat4.0.2.

I know relying on System.exit(0) is not a good idea.  Does anyone
have other ideas, suggestions, etc on this issue?  All appreciated,
and thanks in advance,

Yoav

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Re: Manager options...

[Yoav Shapira]

Hi,
Sorry to bump in late in the thread, maybe this was already raised,
but in your server.xml, did you specify the privileged="true" 
attribute for the Manager context?

Yoav

> If i enter http://myserver/managerstuff/list
> 
> it then ask for login/password - OK
> 
> and then generates an exeption below:
> 
> javax.servlet.ServletException: Error allocating a servlet instance
> at
> org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:619)
> ../..
> - Root Cause -
> java.lang.SecurityException: Servlet of class
> org.apache.catalina.servlets.ManagerServlet is privileged and cannot be
> loaded by this web application

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Re: null DataSource when trying to get JNDI InitialContext

[Yoav Shapira]

Hi,
I'm not sure if it matters, but did you try giving the name
of the driver class separated by periods instead of slashes, e.g.
com.ibm.db2.jdbc.app.DB2Driver
?

Yoav Shapira

"George M. Coles" wrote:
> 
> Hi all,
> I am using tomcat for the firs time. I have v. 4.02, using jdk 1.4.
> 
> I am attempting to deploy my app, which uses JNDI to look up a connection
> for its data access. I am using DB2 I have  placed the db2 jdbc zip file in
> my WEB-INF/libs dir. My server.xml looks like this:
> 
> debug="5"
> privileged="true">
> auth="Container"
> type="javax.sql.DataSource" description="Pathline Database">
> 
> 
> 
>driverClassName
> 
>COM/ibm/db2/jdbc/app/DB2Driver
> 
> 
> 
>driverName
> 
>jdbc:db2:PATHLINE
> 
> 
> user
> 
>db2admin
> 
> 
> password
> 
>password
> 
> 
> 
> 
> 
> When I do my context lookup, which should return a DataSource, the
> DataSource is null. I do not, however, get a naming exception, as I would
> expect if the resource could not be found.
> 
> Has anyone had a similar experience? I am not quite knowlegeable enough
> about JNDI or Tomcat to see where my problem is.
> 
> thanks,
> George Coles
> 
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Compression Filter Performance

[Yoav Shapira]

Hi,
I have a compression filter (variation of Jason Hunter's JavaWorld
article filter) working exactly as I want it to.  It wraps the
response in a GZIP output stream (if the client can handle it,
and the compression threshold is exceeded), and the client deals with
it.  

My question is, how can I measure how compressed my response is 
versus running without using the filter?  (I don't mind recycling
the server and changing web.xml between runs).  

Thanks in advance,

Yoav Shapira
Millennium Pharmaceuticals

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Re: JAXP

[Yoav Shapira]

Hi,
It's in the Sun XML pack (among other places), at
http://java.sun.com/xml/downloads/javaxmlpack.html

Yoav Shapira


[EMAIL PROTECTED] wrote:
> 
> I got it about 6 months ago and you're right, I can't seem
> to find it again.
> 
> 
>> Where did you find jaxp.jar, if you did?  I
>> have been looking everywhere

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Re: Log messages

[Yoav Shapira]

Hi,
Look at log4j: 
http://jakarta.apache.org/log4j

We've been using it for a while, both for development and production
logging, and it's just great.  Most of JSR47 (java.util.logging)
is based on log4j, and it's also used by several commercial and/or
big products like JBoss.

Yoav

James Adams wrote:
> 
> Is there a class I can use to write log messages to the Tomcat log files
> ?  Can anyone explain how this is done ?  Also I have looked a wee bit
> at java.util.logging - can this also be used, or is it a better solution
> ?
> 
> Thanks for any suggestions.
> 
> -James Adams
> 
> --
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Re: java.lang.outofmemory exception

[Yoav Shapira]

Hi,
Default JVM allows for 64MB max to the heap.  You may want to 
increase that by using CATALINA_OPTS, e.g.:
CATALINA_OPTS='-Xmx128m'
would allow the JVM to use up to 128MB of memory.  There are many
other settings available, see the Java runtime options on java.sun.com.

Yoav

Frank Diakovasilis wrote:
> 
> I wrote an application that, run within Tomcat(4.0) and really beaten on,
> throws an outofmemory exception.  The thing is, I don't think It is my app,
> and when viewing task manager, I see that there is plenty of memory
> available.  Has anybody come across this, is there a setting in Tomcat (or
> jvm for that matter) that will let me allocate more of the available memory
> to the app?

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Filter mapping question

[Yoav Shapira]

Hi,
I have a servlet and a filter I want to be run when that servlet
is accessed.  However, the servlet is never accessed directly via
the browser.  Rather, it's embedded in a frameset and launched
using something like this:
http://myhost/mycontext/myservlet'; return
true;">
click here


So in my web.xml, I have:

  myFilter
  myFilterClass



  myFilter
  myServlet



  myServlet
  myServletClass


The problem is, tomcat never calls doFilter() for my filter when that
servlet is called.  The filter gets initialized appropriately (I have
logging comments on the filter's init(), doFilter(), destroy() methods).

If I go to http://myhost/mycontext/myservlet myself, the filter does
get called, so I know it has to do with the calling mechanism,
filter-mapping,
or something along these lines.

Thanks in advance, and sorry for the long post,

Yoav Shapira
Millennium Pharmaceuticals, Inc.
[EMAIL PROTECTED]

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Re: Tomcat 4.0.1 Installation Problem (JAXP 1.1 Download)

[Yoav Shapira]

Hi,

1) I don't remember having to download JAXP myself for tomcat 
installation.  Doesn't tomcat come with and use Xerces internally?

2) You can get JAXP binaries, including xalan.jar, by download the
Java XML Pack (fall '01 is tested with tomcat 4.0.1, I don't know
about the latest, winter '01, but it should work):
http://java.sun.com/xml/downloads/javaxmlpack.html

3) PS files are PostScript.  It's text with all kinds of markup,
you probably downloaded some documentation instead of the binaries.

Good luck,

Yoav

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Re: How to get webapp name

[Yoav Shapira]

Hi,
Maybe what you're looking for is the webapp's context, and for
that you can try HttpServletRequest.getContextPath():
public java.lang.String getContextPath()
Returns the portion of the request URI that indicates the context of the
request. The context path always comes first in a request URI. The path
starts with a "/" character but does not end with a "/" character. For
servlets in the default (root) context, this method returns "".
Returns:
a String specifying the portion of the request URI that indicates the
context of the request

Yoav

Neil Aggarwal wrote:
> 
> Micael:
> 
> I am looking for the name of the web application.
> 
> For example, if I look at http://dev.leads-unlimited.com/leads/index.jsp
> 
> The webapp name is leads.
> 
> It is the same name as the directory that contains the
> JSP files.
> 
> Thanks,
> Neil.
> 
> --
> Neil Aggarwal
> JAMM Consulting, Inc.(972) 612-6056, http://www.JAMMConsulting.com
> Custom Internet DevelopmentWebsites, Ecommerce, Java, databases
> 
> > -Original Message-
> > From: Micael Padraig Og mac Grene [mailto:[EMAIL PROTECTED]]
> > Sent: Sunday, December 16, 2001 4:04 PM
> > To: Tomcat Users List
> > Subject: Re: How to get webapp name
> >
> >
> > At 02:29 PM 12/16/01 -0600, you wrote:
> > >Hello:
> > >
> > >Is there a way to get the webapp name in a JSP page?
> > >
> > >Thanks,
> > > Neil.
> >
> >
> > Hi, Neil,
> >
> > Cannot tell what ou want here.  Try stating it differently.  What do you
> > mean by "webapp"?
> >
> > -- micael
> >
> >
> > --
> > To unsubscribe:   
> > For additional commands: 
> > Troubles with the list: 
> 
> --
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Re: AW: Solaris VM crash? Full docs included

[Yoav Shapira]

Hi,
Thanks a bunch for the quick reply.  It seems relevant and I'll try
updating the system.

Yoav

Ralph Einfeldt wrote:
> 
> Is completely a question to sun.
> 
> I suspect that it is a bug in the incremental gc.
> 
> May be you should upgrade to JVM 1.3.1_01
> There two bugs fixed that might help you:
> 
> (Don't know if this changes where between v1.3.1-b24 and 1.3.1_01)
> 
>http://developer.java.sun.com/developer/bugParade/bugs/4469343.html
>   (Might solve the problem)
>http://developer.java.sun.com/developer/bugParade/bugs/4450681.html
>   (Might give better information what caused the signal)
> 
> > -Ursprüngliche Nachricht-
> > Von: Yoav Shapira [mailto:[EMAIL PROTECTED]]
> > Gesendet: Donnerstag, 6. Dezember 2001 15:30
> > An: Tomcat Users List
> > Betreff: Solaris VM crash? Full docs included
> >
> >
> > Hi there,
> > So last night the JVM crashed on one of our big servers.  It had been
> > running without a problem for a while, but we've been experimenting
> > with tuning garbage collection, as this particular JVM is typically
> > around ~400MB in memory during the day.  Here are the details (sorry
> > for this long message, but I know it's a pointless question without
> > all the details I can provide).
> >
> > Tomcat: 4.0.1 ($JAVA_HOME = /dvl/info/prj/infra/jdk1.3.1)
> > JVM: Sun JVM v1.3.1-b24 for Solaris
> > Server uname -a output: SunOS serverName 5.8 Generic_108528-04 sun4u
> > sparc SUNW,Ultra-Enterprise
> > (The server is a 12-CPU, 2GB RAM, big machine, and it had plenty of
> > available
> > memory, CPU usage was low all night without any spikes, nothing
> > suspicious)
> > (Java runtime parameters below)
> >
> > Relevant catalina.out section:
> > ---
> > Unexpected Signal : 11 occurred at PC=0xfe0c7d18
> > Function name=JVM_ArrayCopy
> > Library=/dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/server/libjvm.so
> >
> > Current Java thread:
> >
> > Dynamic libraries:
> > 0x1
> > /dvl/info/prj/infra/jdk1.3.1/bin/../bin/sparc/native_threads/jav
> > a
> > 0xff35  /usr/lib/libthread.so.1
> > 0xff39  /usr/lib/libdl.so.1
> > 0xff20  /usr/lib/libc.so.1
> > 0xff33  /usr/platform/SUNW,Ultra-Enterprise/lib/libc_psr.so.1
> > 0xfe00
> > /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/server/libjvm.so
> > 0xff2d  /usr/lib/libCrun.so.1
> > 0xff1e  /usr/lib/libsocket.so.1
> > 0xff10  /usr/lib/libnsl.so.1
> > 0xff0d  /usr/lib/libm.so.1
> > 0xff30  /usr/lib/libw.so.1
> > 0xff0b  /usr/lib/libmp.so.2
> > 0xff08
> > /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/native_threads/libhpi
> > .so
> > 0xff05
> > /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libverify.so
> > 0xfe7c  /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libjava.so
> > 0xff02  /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libzip.so
> > 0xfccd  /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libnet.so
> > 0xfccb  /usr/lib/nss_files.so.1
> > 0xda3e  /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libawt.so
> > 0xd668
> > /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/motif21/libmawt.so
> > 0xda39
> > /dvl/info/prj/infra/jdk1.3.1/bin/../jre/lib/sparc/libmlib_image.
> > so
> > 0xd640  /usr/dt/lib/libXm.so.4
> > 0xd9c9  /usr/openwin/lib/libXt.so.4
> > 0xda15  /usr/openwin/lib/libXext.so.0
> > 0xda13  /usr/openwin/lib/libXtst.so.1
> > 0xd740  /usr/openwin/lib/libX11.so.4
> > 0xd9ee  /usr/openwin/lib/libSM.so.6
> > 0xd97d  /usr/openwin/lib/libICE.so.6
> > 0xd97a  /usr/openwin/lib/libdga.so.1
> > 0xd630
> > /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libfontmanager.so
> > 0xd942  /usr/openwin/lib/libdps.so.5
> >
> > Local Time = Thu Dec  6 06:50:32 2001
> > Elapsed Time = 24574
> > #
> > # HotSpot Virtual Machine Error : 11
> > # Error ID : 4F530E43505002CC 01
> > # Please report this error at
> > # http://java.sun.com/cgi-bin/bugreport.cgi
> > #
> > # Java VM: Java HotSpot(TM) Server VM (1.3.1-b24 mixed mode)
> > #
> > # An error report file has been saved as hs_err_pid15459.log.
> > # Please refer to the file for further information.
> > #
> >
> > -
> > End catalina.out excerpt
> > -
> >
> > The error report file hs_err_pid15459.log contains a ve

Solaris VM crash? Full docs included

[Yoav Shapira]

Hi there,
So last night the JVM crashed on one of our big servers.  It had been
running without a problem for a while, but we've been experimenting
with tuning garbage collection, as this particular JVM is typically
around ~400MB in memory during the day.  Here are the details (sorry
for this long message, but I know it's a pointless question without
all the details I can provide).

Tomcat: 4.0.1 ($JAVA_HOME = /dvl/info/prj/infra/jdk1.3.1)
JVM: Sun JVM v1.3.1-b24 for Solaris
Server uname -a output: SunOS serverName 5.8 Generic_108528-04 sun4u
sparc SUNW,Ultra-Enterprise
(The server is a 12-CPU, 2GB RAM, big machine, and it had plenty of
available
memory, CPU usage was low all night without any spikes, nothing
suspicious)
(Java runtime parameters below)

Relevant catalina.out section:
---
Unexpected Signal : 11 occurred at PC=0xfe0c7d18
Function name=JVM_ArrayCopy
Library=/dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/server/libjvm.so

Current Java thread:

Dynamic libraries:
0x1
/dvl/info/prj/infra/jdk1.3.1/bin/../bin/sparc/native_threads/jav
a
0xff35  /usr/lib/libthread.so.1
0xff39  /usr/lib/libdl.so.1
0xff20  /usr/lib/libc.so.1
0xff33  /usr/platform/SUNW,Ultra-Enterprise/lib/libc_psr.so.1
0xfe00 
/dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/server/libjvm.so
0xff2d  /usr/lib/libCrun.so.1
0xff1e  /usr/lib/libsocket.so.1
0xff10  /usr/lib/libnsl.so.1
0xff0d  /usr/lib/libm.so.1
0xff30  /usr/lib/libw.so.1
0xff0b  /usr/lib/libmp.so.2
0xff08 
/dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/native_threads/libhpi
.so
0xff05  /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libverify.so
0xfe7c  /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libjava.so
0xff02  /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libzip.so
0xfccd  /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libnet.so
0xfccb  /usr/lib/nss_files.so.1
0xda3e  /dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libawt.so
0xd668 
/dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/motif21/libmawt.so
0xda39 
/dvl/info/prj/infra/jdk1.3.1/bin/../jre/lib/sparc/libmlib_image.
so
0xd640  /usr/dt/lib/libXm.so.4
0xd9c9  /usr/openwin/lib/libXt.so.4
0xda15  /usr/openwin/lib/libXext.so.0
0xda13  /usr/openwin/lib/libXtst.so.1
0xd740  /usr/openwin/lib/libX11.so.4
0xd9ee  /usr/openwin/lib/libSM.so.6
0xd97d  /usr/openwin/lib/libICE.so.6
0xd97a  /usr/openwin/lib/libdga.so.1
0xd630 
/dvl/info/prj/infra/jdk1.3.1/jre/lib/sparc/libfontmanager.so
0xd942  /usr/openwin/lib/libdps.so.5

Local Time = Thu Dec  6 06:50:32 2001
Elapsed Time = 24574
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002CC 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.3.1-b24 mixed mode)
#
# An error report file has been saved as hs_err_pid15459.log.
# Please refer to the file for further information.
#

-
End catalina.out excerpt
-

The error report file hs_err_pid15459.log contains a verbatim
copy of the above, no additional information.

Needless to say, the server died immediately, which I suppose is OK
to expect from Tomcat given such an internal JVM crash.  So no 
complaints, I'm just wondering if anyone has seen this crash before?

My theory is that it had to do with us slightly tweaking the
Java runtime parameters we'd been using, in an effort to improve
garbage collection on the machine.  
Previous CATALINA_OPTS=
CATALINA_OPTS='-server -Xms300m -Xmx500m -Xmaxf0.30 -Xminf0.10
-XX:NewRatio=1 -verbose:gc'
New ones, started last night, that probably caused the error:
CATALINA_OPTS='-server -Xms300m -Xmx500m -Xmaxf0.30 -Xminf0.10 -Xincgc
-verbose:gc -XX:MaxNewSize=100m -XX:NewSize=10m'

I realize this is as much a question to Sun as to tomcat-users, so
I'm reporting this bug there as well.  Thanks in advance for any
ideas,

Yoav

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Re: Known Memory clean-up issues?

[Yoav Shapira]

Howdy,

> Any harm in forcing garbage collection to run?

You cannot force garbage collection to run, only suggest it to the
JVM via methods like System.gc().  If you're having difficulty
tracking down memory usage, try a profiler like OptimizeIt that has
entire memory trees.

In addition, you can use parameters like hprof and verbosegc on
the java command line to assist you in monitoring garbage collection.

Yoav Shapira

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Re: JSP compilation error.

[Yoav Shapira]

Howdy,
Thanks for the reply ;)  I'd actually figured it out, and it was
that evil "don't have more than one Servlet/JSP jar in your classpath"
issue ;)  (I totally agree with that requirement, by the way).
Turns out the weblogic.jar that's packaged with Weblogic Server 6.0
has javax.servlet and javax.servlet.jsp, older versions than tomcat's,
of course, in it.  Had to repackage the JAR, but problem is solved.

Yoav

David Smith wrote:
> 
> Have you taken a look at the .java file that's generated from the .jsp file?
> It's located in $CATALINA_BASE/work and should give you more insight into
> what's happening.
> 
> --David
> 
> On Monday 26 November 2001 11:08 am, you wrote:
> > Hi there,
> > Tomcat 4.0.1 on Solaris (SunOS 5.6), JDK 1.3.1, trying to run a
> > a jsp page gives the following error:
> >
> > org.apache.jasper.JasperException: Unable to compile class for JSP
> > /home/shapira/jakarta-tomcat-4.0.1/work/localhost/MyDrugDiscovery/jsp/utils
> >/sql$jsp.java:309: Incompatible type for method. Explicit cast needed to
> > convert
> > java.lang.Throwable to java.lang.Exception.
> > if (pageContext != null) pageContext.handlePageException(t);
> >  ^
> > 1 error
> >
> >   at org.apache.jasper.compiler.Compiler.compile(Compiler.java:284)
> >   at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:546)
> >   at
> > org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspS
> >ervlet.java:177) at
> > org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.j
> >ava:189) at
> > org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
> >   at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
> >   at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > (snip)
> >
> > There's no line ilke the above anywhere in my code, so it must be
> > internal
> > somewhere.
> >
> > Any clues?
> >
> > When I try to run jsp to pre-compile the file, I get a
> > java.util.EmptyStackException -- what's that all about??
> >
> > Thanks,
> >
> > Yoav Shapira
> > Millennium Pharmaceuticals
> > [EMAIL PROTECTED]
> >
> > --
> > To unsubscribe:   <mailto:[EMAIL PROTECTED]>
> > For additional commands: <mailto:[EMAIL PROTECTED]>
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JSP compilation error.

[Yoav Shapira]

Hi there, 
Tomcat 4.0.1 on Solaris (SunOS 5.6), JDK 1.3.1, trying to run a 
a jsp page gives the following error:

org.apache.jasper.JasperException: Unable to compile class for JSP
/home/shapira/jakarta-tomcat-4.0.1/work/localhost/MyDrugDiscovery/jsp/utils/sql$jsp.java:309:
Incompatible type for method. Explicit cast needed to convert
java.lang.Throwable to java.lang.Exception.
if (pageContext != null) pageContext.handlePageException(t);
 ^
1 error

at org.apache.jasper.compiler.Compiler.compile(Compiler.java:284)
at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:546)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:177)
at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:189)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
(snip)

There's no line ilke the above anywhere in my code, so it must be
internal
somewhere.

Any clues?

When I try to run jsp to pre-compile the file, I get a 
java.util.EmptyStackException -- what's that all about??

Thanks,

Yoav Shapira
Millennium Pharmaceuticals
[EMAIL PROTECTED]

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Re: Shutdown Tomcat

[Yoav Shapira]

Howdy,
My two cents... Solaris 2.6 on an Ultra 10, tomcat 4.0.1, takes about
20 seconds for complete startup, less than five seconds for complete
shutdown (process gone and everything).  My setup right now has
3 webapps, one of which spawns a couple of threads (but takes care
to terminate them appropriately)... 

Yoav

Steve Brunton wrote:
> 
> Evan Swanson wrote:
> >
> > Yeah, I have been wondering the same thing.
> >
> > On unix is seems that you have to kill the process.
> > Shutdown.bat and shutdown.sh do not seem to stop the Tomcat process.
> > I am guessing they just log off all of the sessions 'gracefully'
> > You then have to manually kill the process?
> >
> > I am not sure if this is a problem with tomcat or it is supposed to be that
> > way.
> >
> > It seems to be the same effect when you use the manager application to
> > shutdown tomcat so I am guessing that it was designed to work that way.
> >
> > I have been unable to find any doco on the subject.
> >
> > Does anybody know a better way of shutting down the server than killing the
> > process?
> >
> 
>   I've got Tomcat 4.0.1/JDK1.3.1_01 shutting down happily on Solaris x86
> just spiffy like. It does seem to take it a while to spool everything
> down. Currently it's only loading about 10 servlets and if I tail the
> output log as the thing is shutting down I can see it hitting all the
> destroy() methods and shutting down JNDI, JDBC and LDAP connections.
> Make sure that all your servlets clean up after themselves and it should
> shutdown fine.
> 
> --
> Steve Brunton   <[EMAIL PROTECTED]>  Phone: 404-827-2756
> Chief Engineer Enterprise SystemsOne CNN Center, Atlanta GA
> CNN Internet Technologies  ICBM: 84W 23' 45" 33N 45' 29"
> <*> I used to have a handle on life, but it broke. <*>
> 
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Re: set SessionID (PLEASE HELP)

[Yoav Shapira]

Howdy,
The sessionID is an internal identifier assigned and used by the 
web server (typically).  Maybe you want to consider using your own
session variable with a different name, that you can assign and control 
manually?  It would be your responsibility to guarantee uniqueness, 
but that's usually not a big hassle, and the flexibility is worth it.

Yoav

[EMAIL PROTECTED] wrote:
> 
> Hi,
> 
> I have to set the sessionID manually - how to do it???
> I want to extract the sessionID from an encoded POST- or GET-variable, and want my 
>session to bind to it!!!
> 
> thanks
> michi
> 
>   
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Re: getRemoteAddr() vs getRemoteHost()

[Yoav Shapira]

Hi,
My guess is you need to enable remote address lookups in your 
server.xml.  Since they are expensive to log, they are usually turned
off by default, and the behavior is to simply return the address
rather than the host.

Yoav

"Miao, Franco CAWS:EX" wrote:
> 
>  When I put the following code in my Jsp, it comes up two identical
> remote IP addresses, instead of one remote IP and one remote host name. My
> computer  has Internet IP and valid Internet DNS server. Any suggestion
> about
> that?
> 
> Thanks!
> 
> out.print( request.getRemoteAddr() );
> out.print( request.getRemoteHost() );
> 
> Franco

Re: Viewing this mailing list online

[Yoav Shapira]

Howdy,
A google search for "tomcat-user list archive" gives a bunch of results.
My fav one is http://marc.theaimsgroup.com/ because all the other lists
are there as well, and you can set some nice search features.

Yoav

Donie Kelly wrote:
> 
> Can we view this mailing list online rather that receive it by e-mail. It's
> currently running at hundreds of messages per day (a testament to how
> popular Tomcat is)
> 
> Regards
> Donie

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Can't open InputStream to manager??

[Yoav Shapira]

Hi there,

I have a servlet that tries to do something like:

URL url = new
URL("http://manageruser:[EMAIL PROTECTED]:myport/manager/list";);
URLConnection con = url.openConnection();
BufferedReader bin = new BufferedReader(new
InputStreamReader(con.getInputStream);

The third line throws an exception.  The connection itself is fine,
I can call stuff like con.getContentLength() and it works (correctly)
without a problem.  

Is the manager app coded specifically to disallow opening stream to it?
Has anyone else tried/encountered something like this?

Thanks!

Yoav Shapira
Millennium Pharmaceuticals

Re: Chaning location of initial web page

[Yoav Shapira]

Hi,
You can always use HTML or JSP forwarding, along the lines of:







Or something like


JSP Forwarder






Good luck,

Yoav

Ryan Brown wrote:

> We are having a alot of trouble changing the location of the first page that
> displays on Tomcat 3.2.3 server.  If i start the server and then point my
> browser to http://localhost:8080/ it brings up the following file:
> d:\jakarta-tomcat-3.2.3\webapps\root\index.html
> how do I change this so that it brings up an index.html in a different
> directory on my harddrive:
> d:\webdevelopment\miiq\index.html
> I have searched all of the documentation and the mailing list archive and I
> have only gotten more confused.  We have all of our development for our site
> in the above directory and need it to be the default directory when we are
> working.
>
> Thanks,
>
> Ryan Brown
> MI-Assistant Software
> Email: [EMAIL PROTECTED]

Duplicate indices in 4.0

[Yoav Shapira]

Hi there,
I have a servlet in my webapp that I'd like loaded on server startup, after
the Tomcat servlets (default, invoker, jsp, cgi-bin, etc.).

Expected behavior: My understanding was that if in my
webapp/WEB-INF/web.xml I have something like

  MyServlet

  1


Then MyServlet will be loaded first in my webapp, AFTER all the tomcat
defaults from the $CATALINA_HOME/conf/web.xml file.

Observed Behavior:
I can't even access localhost:8080 index.html file, or anything else.
Tomcat
seems to not respond, the startup logs stop in a weird place: the HTTP
listener
starts, but doesn't start any threads.

Removing load-on-startup fixes the problem, and I would guess that changing
it to something like 999 would fix it as well.  Was my expectation wrong, or
is this a bug?

Thanks,

Yoav Shapira
Millennium Pharmaceuticals, Inc.

Re: Newbie: Tomcat & EJBs

[Yoav Shapira]

Hi,
It's still there.  For the adventurous, try the new JBoss2.4.1-Tomcat4.0
integrated download:
http://prdownloads.sourceforge.net/jboss/JBoss-2.4.2_Tomcat-4.0.zip

Otherwise, you can just go to jboss.org and download the latest
release-quality thing, which is integrated with Tomcat 3.2.3 I believe.
Good luck ;)

Yoav
- Original Message -
From: "Shane Geiger" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, October 03, 2001 3:27 PM
Subject: RE: Newbie: Tomcat & EJBs


> A while ago someone sent me a link to a product on sourceforge that was
> apparently a combination JBoss-Tomcat product.
>
>