date:20090529


unwinding the stack
org.apache.jasper.runtime.PageContextImpl private void _initialize(Servlet 
servlet, ServletRequest request,
  127   ServletResponse response, String errorPageURL,
  128   boolean needsSession, int bufferSize, boolean 
autoFlush)
  129   throws IOException {
...
 143if (request instanceof HttpServletRequest  needsSession)
  144   this.session = ((HttpServletRequest) 
request).getSession();
  145   if (needsSession  session == null)
  146   throw new IllegalStateException(
  147   Page needs a session and none 
is available);
which is called by org.apache.jasper.runtime.JspFactoryImpl 
internalGetPageContext
  89   private PageContext internalGetPageContext(Servlet servlet, 
ServletRequest request,
   90   ServletResponse response, String errorPageURL, boolean 
needsSession,
   91   int bufferSize, boolean autoflush) {
   92   try {
   93   PageContext pc;
   94   if (USE_POOL) {
   95   PageContextPool pool = localPool.get();
   96   if (pool == null) {
   97   pool = new PageContextPool();
   98   localPool.set(pool);
   99   }
  100   pc = pool.get();
  101   if (pc == null) {
  102   pc = new PageContextImpl();
  103   }
  104   } else {
  105   pc = new PageContextImpl();
  106   }
  107   pc.initialize(servlet, request, response, errorPageURL, 
  108   needsSession, bufferSize, autoflush);
internalGetPageContext is referenced in the run method as shown 
148   public Object run() {
  149   return factory.internalGetPageContext(servlet, request, 
response,
  150   errorPageURL, needsSession, bufferSize, autoflush);
  151   }
but none of this *should happen if the jsp execution did'nt double submit* 
relevant bits of your jsp code located at

 at org.apache.jasper.runtime.JspFactoryImpl.getPageContext(Unknown
 Source)
 at
 org.apache.jsp.jsp.Alarma_Detalle_jsp._jspService(Alarma_Detalle_jsp.java:37)
//Why is this code (re)referencing getPageContext

 at org.apache.jasper.runtime.HttpJspBase.service(Unknown Source)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
 at org.apache.jasper.servlet.JspServletWrapper.service(Unknown
 Source)
 at org.apache.catalina.core.ApplicationDispatcher.include(Unknown
 Source)
 at org.apache.jasper.runtime.JspRuntimeLibrary.include(Unknown
 Source)
 at
 org.apache.jsp.jsp.Alarma_Detalle_Service_jsp._jspService(Alarma_Detalle_Service_jsp.java:122)

please display entire contents of
 
$CATALINA_HOME/work/Catalina/localhost/WebAppName/org/apache/jsp/jsp/Alrama_Detallet_Service.jsp
Alarma_Detalle_jsp.java

Saludos Cordiales desde EEUU!
Martin Gainty 
GMT+5(esta semana)
__ 
Jogi és Bizalmassági kinyilatkoztatás/Verzicht und 
Vertraulichkeitanmerkung/Note de déni et de confidentialité
 Ez az
üzenet bizalmas.  Ha nem ön az akinek szánva volt, akkor kérjük, hogy
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könnyen megváltoztathatóak, ezért minket semmi felelöség nem terhelhet
ezen üzenet tartalma miatt.

Diese Nachricht ist vertraulich. Sollten Sie nicht der vorgesehene Empfaenger 
sein, so bitten wir hoeflich um eine Mitteilung. Jede unbefugte Weiterleitung 
oder Fertigung einer Kopie ist unzulaessig. Diese Nachricht dient lediglich dem 
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Aufgrund der leichten Manipulierbarkeit von E-Mails koennen wir keine Haftung 
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Ce message est confidentiel et peut être privilégié. Si vous n'êtes pas le 
destinataire prévu, nous te demandons avec bonté que pour satisfaire informez 
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quel effet légalement obligatoire. Étant donné que les email peuvent facilement 
être sujets à la manipulation, nous ne pouvons accepter aucune responsabilité 
pour le contenu fourni.




 Date: Fri, 29 May 2009 12:35:14 +0200
 Subject: Apache Tomcat hangs
 From: rhernan...@evendor.es
 To: users@tomcat.apache.org
 
 Hello
 
 I am using apache Tomcat 5.5 which is set up on a hp-ux machine.
 my application uses jaspert-reports
 At times during we use jaspert-rerpot for generate to a pdf, get an error
 as shown below, and this causes the

RE: Tomcat 5.5 and fop


$CATALINA_HOME/conf/catalina.policy contenu

grant { 
permission java.util.PropertyPermission user.home, read;

}

?
Bon Chance
Martin 
Etats Unis
(GMT+5) cette semaine
__ 
Note de déni et de confidentialité
ce message est confidentiel et peut être privilégié. Si vous n'êtes pas le 
destinataire prévu, nous te demandons avec bonté que pour satisfaire informez 
l'expéditeur. N'importe quelle diffusion non autorisée ou la copie de ceci est 
interdite. Ce message sert à l'information seulement et n'aura pas n'importe 
quel effet légalement obligatoire. Étant donné que les email peuvent facilement 
être sujets à la manipulation, nous ne pouvons accepter aucune responsabilité 
pour le contenu fourni.




 Date: Fri, 29 May 2009 05:10:47 -0700
 From: ezzak...@hotmail.fr
 To: users@tomcat.apache.org
 Subject: Tomcat 5.5 and fop
 
 
 Hello,
 i'm using Apache Fop to create PDF file from a xml and xsl files in debian
 lenny, in command line every thing is ok but when i try to make fop work
 under tomcat i have a problem : 
 i have already build Fop project with Ant, i have deployed the Fop.war file
 into tomcat
 when i go to http://localhost:8180/fop
 
 i have this errors : 
 description Le serveur a rencontré une erreur interne () qui l'a empêché de
 satisfaire la requête.
 exception
 javax.servlet.ServletException: Servlet.init() pour la servlet Fop a
 généré une exception
 
 
 cause mère
 
 java.security.AccessControlException: access denied
 (java.util.PropertyPermission user.home read)
 
 java.security.AccessControlContext.checkPermission(AccessControlContext.java:323)
   
 java.security.AccessController.checkPermission(AccessController.java:546)
   java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
 
 
 Could dome body help me ? i will be really grateful.
 
 -- 
 View this message in context: 
 http://www.nabble.com/Tomcat-5.5-and-fop-tp23778813p23778813.html
 Sent from the Tomcat - User mailing list archive at Nabble.com.
 
 
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Re: hello world

It was actually:

http://localhost:8080/webapps/Hello/Hello.html.  Sorry for the misprint.

Veena

On Thu, May 28, 2009 at 6:07 AM, S Arvind arvindw...@gmail.com wrote:

 What path you gave to get that html in browser?

 -Arvind S

 *
 Many of lifes failure are people who did not realize how close they were
 to
 success when they gave up.
 -Thomas Edison
 *

  On Wed, May 27, 2009 at 5:48 AM, veena pandit v.kri...@gmail.com wrote:

  How to configure Hello.html in Tomcat?
 
  Where do I place the following file?  How to access it from the server?
 
 
  HTML
  BODY
  Hello, world
  /BODY
  /HTML
 
 
 
 
  Thanks,
 
  Veena

Re: how to convert struts based apps from tomcat4 to tomcat5.5?

2009-05-29 Thread Maurizio Rottin

2009/5/29 Maurizio Rottin maurizio.rot...@gmail.com:
 2009/5/28 Christopher Schultz ch...@christopherschultz.net:

        logic:empty name=limitNewsList
                myScroller.addMessage(Prossimamente news);
        /logic:empty
        logic:notEmpty name=limitNewsList

 //the problem should be in the bean:define
                myScroller.addMessage('logic:iterate scope=request
 id=nzews name=limitNewsList length=2
 offset=0b#187;/bbean:define id=abst name=news
 property=abstr /bean:define id=title name=news
 property=title/html:link action=/newsDetail paramId=id
 paramName=news paramProperty=idfont color=#A9%=
 ((String)title).replaceAll(\', #146;)
 %/font/html:linkbrhtml:link action=/newsDetail paramId=id
 paramName=news paramProperty=id%= StringUtil.getFirstNChar(
 (String)abst, 30 ).replaceAll(\', #146;) %/html:linkspan
 style=font-size:4px;brbr/span/logic:iterate');

 /script
 I SKIP THE REST OF THE CODE--

 the error from catalina.out is:
 ERROR [TP-Processor40] - Servlet.service() for servlet jsp threw exception
 javax.servlet.jsp.JspException: Define tag cannot set a null value
       at org.apache.struts.taglib.bean.DefineTag.doEndTag(DefineTag.java:272)
 etc. etc.


we have isolated the item with the wrong scope:
javax.servlet.jsp.JspException: Cannot find bean news in any scope

but still...why?

-- 
mr

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Re: hello world

2009-05-29 Thread André Warnier


veena pandit wrote:

It was actually:

http://localhost:8080/webapps/Hello/Hello.html.  Sorry for the misprint.

This must be the longest-running thread about a Hello World application 
ever, in any programming language.

:-)

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Re: hello world

2009-05-29 Thread Serge Fonville

 http://localhost:8080/webapps/Hello/Hello.html.  Sorry for the misprint.

 This must be the longest-running thread about a Hello World application
 ever, in any programming language.
 :-)

It looks to me that you should remove the webapps from the url.

What is your local path
What is the server.xml like
How did you deploy the app
How have you changed the default config...

HTH

Serge Fonville

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RE: Tomcat relative path

 From: tcwarrior [mailto:sr_s...@yahoo.com]
 Subject: RE: Tomcat relative path

 Isn't it 2 per domain?

Maybe; I didn't realize your intent was to have a separate domain for each 
image.  If the client keeps track of connections by domain name, then putting 
pairs of images in separate subdomains will work; if the connections are 
tracked by IP address, it won't.

 Why wouldn't you want your site to be the most responsive 
 and allow for parallel downloads?

As Tim pointed out - bandwidth.  You may well be dedicating the entire wire to 
a single client for a short period of time.  That may or may not be acceptable.

 As for our dev team, why are they right? What is so hard 
 about changing the source?

It's a maintenance problem, as images come and go as the web pages are updated. 
 You can certainly split the locations based on some scheme, but it adds much 
complexity to testing and deployment.

 - Chuck

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Re: hello world

Well I had to know, because it was chapter 1 in a web based tutorial for
JSP. :-)

Thanks,

Veena

On Fri, May 29, 2009 at 9:15 AM, André Warnier a...@ice-sa.com wrote:

 veena pandit wrote:

 It was actually:

 http://localhost:8080/webapps/Hello/Hello.html.  Sorry for the misprint.

 This must be the longest-running thread about a Hello World application
 ever, in any programming language.
 :-)


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Re: Centos 5 OS not releasing memory Tomcat6

2009-05-29 Thread msweeney


Here's the /etc/sysctl.conf parameters that I've started with:

vm.dirty_writeback_centisecs = 100
vm.dirty_expire_centisecs = 100
vm.pagecache = 1 10 30

Since this server is taking Production traffic, we'll need to what for a
window to test this.  I'll let you know how it works out.  If the two
vm.dirty don't correct it I'll take it down to 0 for I believe the CPU's
will be able to handle the extra cycles.

Regards,

Marc




Maurizio Rottin wrote:
 
 2009/5/28 André Warnier a...@ice-sa.com:
 If a non-existent process is able to hold on to some memory and not
 return
 it to the OS, doesn't that indicate an OS problem ?
 
 i think so!
 but i do not remeber any kernel problem related to memory caching in
 Centos kernel releases.
 
 Maybe you should give a try at Centos 5.3 kernels.
 
 -- 
 mr
 
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RE: hello world

 From: veena pandit [mailto:v.kri...@gmail.com]
 Subject: Re: hello world

 it was chapter 1 in a web based tutorial for JSP. :-)

Can you provide a link to the tutorial?  I'd like to see what it says.

 - Chuck

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tomcat virtual host or directory

2009-05-29 Thread gnix infosoft noida


How tio configure virtual host in tomcat 5.5
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Re: hello world

http://www.jsptut.com/

On Fri, May 29, 2009 at 9:39 AM, Caldarale, Charles R 
chuck.caldar...@unisys.com wrote:

  From: veena pandit [mailto:v.kri...@gmail.com]
  Subject: Re: hello world

  it was chapter 1 in a web based tutorial for JSP. :-)

 Can you provide a link to the tutorial?  I'd like to see what it says.

  - Chuck

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RE: tomcat virtual host or directory

 From: gnix infosoft noida [mailto:garg.may...@gmail.com]
 Subject: tomcat virtual host or directory

 How tio configure virtual host in tomcat 5.5

Did you try to look at the Tomcat doc before posting?

http://tomcat.apache.org/tomcat-5.5-doc/virtual-hosting-howto.html

 - Chuck

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Re: Windows x64 Installer

2009-05-29 Thread János Löbb

On May 28, 2009, at 5:36 PM, André Warnier wrote:

Caldarale, Charles R wrote:

From: Mladen Turk [mailto:mt...@apache.org]
Subject: Re: Windows x64 Installer

You've beet me by a millisecond ;)

Yeah, but that's 300 km for an electron...

And please note that from the electron's point of view, it may be a  
lot less than a millisecond..

Because the electron has resting mess, it will never go with speed of  
light.  The info by the way is not supplied by the electron, but  
rather with electromagnetic waves around the wire who have no resting  
mess, so for them it is instantaneous whether it is 300km or to the  
end of the Universe :)

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RE: Windows x64 Installer

2009-05-29 Thread Jeffrey Janner

Tested all those options before I sent the mail.

Windows firewall: off.  Symantec EP11 firewall: disabled
Still no response off the wire.
Running 32-bit version worked OK and well as 64-bit with 32-bit APR.
Only 64-bit with 64-bit was a problem.

Could not connect with telnet nor browser. With SEP11 firewall turned on, logs 
showed requests to 8080 coming in and being approved, but still no response.  
This was really odd.

I agree, the IP shouldn't care about real vs. loopback.  But apparently it did 
in this case.  I would say it has something to do with actually going to the 
hardware (loopback would be higher in the software layer).


-Original Message-
From: will trillich [mailto:trill...@gmail.com] 
Sent: Thursday, May 28, 2009 7:39 PM
To: Tomcat Users List
Subject: Re: Windows x64 Installer

On Thu, May 28, 2009 at 6:18 PM, Caldarale, Charles R
chuck.caldar...@unisys.com wrote:
 I installed them on Windows 2008 x64, and could not get a
 response from Tomcat, if coming from the net.  The local
 browser would pull it up just fine.

 Tomcat (with or without APR) doesn't care if the request
 came via loopback or ethernet.  If it worked from the local
 browser, your firewall may be blocking the port from
 remote access.

Another variable to throw into the mix, just for fun -- do you have a
proxy? Squid doing a little web-caching perhaps? That can mess you up
as well.

Try
   telnet ip.address.here 8080
   GET / HTTP/1.0


(follow the GET with a blank line) and see if you get any HTML back.
You can try it from the same computer and/or other computers nearby.

If you do get an appropriate HTTP response, Tomcat is well and you've
got other issues. If you can't open the port at all, Tomcat isn't
listening. If you can open the port but Tomcat doesn't play nice with
an HTTP response, your configuration needs attention.

-- 
will trillich
Our only real economic security lies in our power to meet human
needs. -- S.Covey, the 8th Habit

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User tracking/monitoring

2009-05-29 Thread Chetan Chheda

All, 

In our production environment we load balance across 4 tomcats that are 
split among 2 physical servers. This is a high traffic website and we get calls 
from users for a number of support issues and for most of these issues the 
first step is to find out what tomcat instance they ended up in. 

   Is there anyway we can add the tomcat sessionID to their page so that they 
can tell us where they are?

Thanks,
Chetan

Re: User tracking/monitoring

2009-05-29 Thread Tim Funk


Add this to your footer?
SESSION ID: ${pageContext.session.id}

-Tim



Chetan Chheda wrote:
All, 

In our production environment we load balance across 4 tomcats that are split among 2 physical servers. This is a high traffic website and we get calls from users for a number of support issues and for most of these issues the first step is to find out what tomcat instance they ended up in. 


   Is there anyway we can add the tomcat sessionID to their page so that they 
can tell us where they are?



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RE: Windows x64 Installer

 From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com]
 Subject: RE: Windows x64 Installer

 Tested all those options before I sent the mail.

Let me summarize to see if I understand this properly:

1) 32-bit JVM, 32-bit DLL: works from localhost and from a separate system

2) 32-bit JVM, 64-bit DLL: ?? (shouldn't work)

3) 64-bit JVM, 32-bit DLL: works from localhost and from a separate system (it 
shouldn't work - you probably aren't using APR in this case)

4) 64-bit JVM, 64-bit DLL: works from localhost, but not from a separate system

Is the above correct?

 - Chuck

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RE: User tracking/monitoring

 From: Chetan Chheda [mailto:chetan_chh...@yahoo.com]
 Subject: User tracking/monitoring

 Is there anyway we can add the tomcat sessionID to their page so
 that they can tell us where they are?

Besides adding it to some common component of each page of the web site as Tim 
suggested, you could do any of the following:

1) Disable cookies and use URL rewriting, forcing the session ID into the URL 
(can't really recommend that).

2) Add a filter or valve to append the session ID to each response.

3) Have the users look in the cookie cache of the browser when they have a 
problem.

Tim's suggestion or perhaps #3 would seem to be the simplest.

 - Chuck

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Php, tomcat, mappings and authentication.

2009-05-29 Thread dfobox

I'm new to this forum and already fan of it :)
Here's the story:
I have a website hosted on a remote server with private JVM. It consists of
two parts - client and admin (which is actually CMS). There is NGASI
installed. I enabled wildcard mapping so all request to web server are
forwarded to tomcat.
Client part of website is located in
appserver/apache-tomcat-6x/webapps/ROOT. There is web.xml file in
ROOT/WEB-INF folders, in which I set security-constraint for admin part.
Admin part itself is in ROOT/admin directory.
I should say that I didn't write the application, but my work requires to
change it sometimes. Now I need to add mailing and registration forms. I'm
thinking of using php for that.
Can I make php work under Tomcat? Can I make apache render php pages, while
Tomcat renders jsp?
Is it easier to implement mailing and registration on php instead of jsp, as
it seems to me?
Another question - authentication for admin part. I'm using basic
authentication provided by tomcat, with username and password stored in
tomcat-users.xml file in apache-tomcat-6x/conf directory. Does it have any
security issues?
Any comments and suggestions would be greatly appreciated.

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RE: Php, tomcat, mappings and authentication.

 From: dfobox [mailto:dfo...@gmail.com]
 Subject: Php, tomcat, mappings and authentication.

 Can I make php work under Tomcat?

It can be done, but it's less painful to do with httpd.

 Can I make apache render php pages, while Tomcat renders jsp?

That's probably better.

 Is it easier to implement mailing and registration on php 
 instead of jsp, as it seems to me?

That may well be only because you're more familiar with PHP.  Personally, I 
would keep everything on Tomcat, in Java (admittedly, I am less familiar with 
PHP, plus it can become a maze of twisty little passages rather quickly).

 I'm using basic authentication provided by tomcat, with 
 username and password stored in tomcat-users.xml file in
 apache-tomcat-6x/conf directory.

Definitely wouldn't recommend such a mechanism for production use - not 
terribly robust, and subject to hacking if anyone has read access to the conf 
directory.  Tomcat provides several alternative built-in realms:
http://tomcat.apache.org/tomcat-6.0-doc/realm-howto.html

Or you can use a popular filter with more options:
http://securityfilter.sourceforge.net/

 - Chuck

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Re: hello world

2009-05-29 Thread S Arvind

instead of reading that tutorial try reading Head First JSP and SERVLETS.

-Arvind S


On Fri, May 29, 2009 at 7:14 PM, veena pandit v.kri...@gmail.com wrote:

 http://www.jsptut.com/

 On Fri, May 29, 2009 at 9:39 AM, Caldarale, Charles R 
 chuck.caldar...@unisys.com wrote:

   From: veena pandit [mailto:v.kri...@gmail.com]
   Subject: Re: hello world
  
   it was chapter 1 in a web based tutorial for JSP. :-)
 
  Can you provide a link to the tutorial?  I'd like to see what it says.
 
   - Chuck
 
 
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Re: hello world

I have that book;  I am studying for SWCD certification.  There are some
gaps I am trying to fill.

On Fri, May 29, 2009 at 3:03 PM, S Arvind arvindw...@gmail.com wrote:

 instead of reading that tutorial try reading Head First JSP and SERVLETS.

 -Arvind S


 On Fri, May 29, 2009 at 7:14 PM, veena pandit v.kri...@gmail.com wrote:

  http://www.jsptut.com/
 
  On Fri, May 29, 2009 at 9:39 AM, Caldarale, Charles R 
  chuck.caldar...@unisys.com wrote:
 
From: veena pandit [mailto:v.kri...@gmail.com]
Subject: Re: hello world
   
it was chapter 1 in a web based tutorial for JSP. :-)
  
   Can you provide a link to the tutorial?  I'd like to see what it says.
  
- Chuck
  
  
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Apache Portable Runtime ?


I am running a standalone tomcat 6.0.18 on a centOS 5.3 system. Is it a good
idea to install the Apache Portable Runtime? Would I see performance
increase? And, are there any drawbacks/cons to doing so?

Thanks for any advice you might have on this - 

John
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Re: Apache Portable Runtime ?


I wanted to add a little clarity to my question: I am not using SSL or
serving any significant amount of static content - just good ol fashioned
Jsp/Jstl's with a standalone tomcat (no Apache). A very svelt and simple web
app that I am designing for performance.

Given that, is it still a preferred idea to install APR? Is installing the
APR considered a 'must do' for anyone looking to maximize the performance of
Tomcat in production? Or is this something in the category of 'not
neccessary/adviseable unless you need it'?

Thanks
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RE: Apache Portable Runtime ?

 From: johnrock [mailto:johnpi...@yahoo.com]
 Subject: Re: Apache Portable Runtime ?

 Given that, is it still a preferred idea to install APR?

Your best bet is to measure the performance of your webapp with and without 
APR.  Since you're not using SSL and have limited static content, I suspect you 
won't see much of a difference.

 Is installing the APR considered a 'must do' for anyone
 looking to maximize the performance of Tomcat in production?
 Or is this something in the category of 'not neccessary/
 adviseable unless you need it'?

I'd put it in the latter category, unless you measure a noticeable throughput 
gain with it.  Including APR does reduce portability, since you'll need a 
different native library for each platform, including just going from a 32- to 
64-bit JVM.

 - Chuck

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jk Status not showing errors

2009-05-29 Thread Matthew Laird


Good afternoon,

I've been trying to get the jkstatus component of mod_jk running, and 
I'm not quite sure what I'm doing wrong in trying to have it report dead 
Tomcat instances.


I have two tomcat instances setup in a load balancer, as a test I've 
taken down one of them.  However the jkstatus screen still shows both of 
them as OK.  I'm not sure what I'm missing from my workers.properties 
file to make it test the Tomcat and report a failed instance, so I can 
set Nagios to monitor this page and report problems.


My workers.properties is:

worker.list=production,development,old,jkstatus

worker.production.type=lb
worker.production.balance_workers=production1,production2
worker.production.sticky_session=True
worker.production.method=S

worker.lbbasic.type=ajp13
worker.lbbasic.connect_timeout=1
worker.lbbasic.recovery_options=7
worker.lbbasic.socket_keepalive=1
worker.lbbasic.socket_timeout=60

worker.production1.reference=worker.lbbasic
worker.production1.port=8009
worker.production1.host=localhost
#worker.production1.redirect=production2

worker.production2.reference=worker.lbbasic
worker.production2.port=8012
worker.production2.host=localhost
#worker.production2.activation=disabled

worker.development.port=8010
worker.development.host=localhost
worker.development.type=ajp13

worker.old.port=8011
worker.old.host=localhost
worker.old.type=ajp13

worker.jkstatus.type=status


Any advice on extra options to make jkstatus check and report when one 
of the Tomcat instances isn't responding would be appreciated.


Thanks.

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Re: Php, tomcat, mappings and authentication.

2009-05-29 Thread André Warnier

Caldarale, Charles R wrote:

From: dfobox [mailto:dfo...@gmail.com]
Subject: Php, tomcat, mappings and authentication.

Can I make php work under Tomcat?

It can be done, but it's less painful to do with httpd.

Can I make apache render php pages, while Tomcat renders jsp?

That's probably better.

Is it easier to implement mailing and registration on php 
instead of jsp, as it seems to me?

That may well be only because you're more familiar with PHP.  Personally, I 
would keep everything on Tomcat, in Java (admittedly, I am less familiar with 
PHP, plus it can become a maze of twisty little passages rather quickly).

I'm using basic authentication provided by tomcat, with 
username and password stored in tomcat-users.xml file in

apache-tomcat-6x/conf directory.

Definitely wouldn't recommend such a mechanism for production use - not 
terribly robust, and subject to hacking if anyone has read access to the conf 
directory.  Tomcat provides several alternative built-in realms:
http://tomcat.apache.org/tomcat-6.0-doc/realm-howto.html

Or you can use a popular filter with more options:
http://securityfilter.sourceforge.net/

Or, if you decide to do the PHP part and do it under Apache httpd, then 
you could do all the authentication at the Apache httpd level, and pass 
the authenticated user-id to Tomcat (at least when using the mod_jk 
connector).

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Re: jk Status not showing errors

2009-05-29 Thread André Warnier


Matthew Laird wrote:

Good afternoon,

I've been trying to get the jkstatus component of mod_jk running, and 
I'm not quite sure what I'm doing wrong in trying to have it report dead 
Tomcat instances.


I have two tomcat instances setup in a load balancer, as a test I've 
taken down one of them.  However the jkstatus screen still shows both of 
them as OK.  I'm not sure what I'm missing from my workers.properties 
file to make it test the Tomcat and report a failed instance, so I can 
set Nagios to monitor this page and report problems.


My workers.properties is:

worker.list=production,development,old,jkstatus

worker.production.type=lb
worker.production.balance_workers=production1,production2
worker.production.sticky_session=True
worker.production.method=S

worker.lbbasic.type=ajp13
worker.lbbasic.connect_timeout=1
worker.lbbasic.recovery_options=7
worker.lbbasic.socket_keepalive=1
worker.lbbasic.socket_timeout=60

worker.production1.reference=worker.lbbasic
worker.production1.port=8009
worker.production1.host=localhost
#worker.production1.redirect=production2

worker.production2.reference=worker.lbbasic
worker.production2.port=8012
worker.production2.host=localhost
#worker.production2.activation=disabled

worker.development.port=8010
worker.development.host=localhost
worker.development.type=ajp13

worker.old.port=8011
worker.old.host=localhost
worker.old.type=ajp13

worker.jkstatus.type=status


Any advice on extra options to make jkstatus check and report when one 
of the Tomcat instances isn't responding would be appreciated.


While you are waiting for a real expert to comment, I believe I remember 
from a previous thread, that there needs to be an actual request sent to 
the misbehaving Tomcat, before the jkstatus will notice that it is down.
You may also want to consult the cping/cpong functionality of mod_jk, I 
believe that would also work.




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Which listeners required in server.xml?


Running tomcat 6.0.18 server.xml has the following listener's enabled by
default:


  !--APR library loader. Documentation at /docs/apr.html --
  Listener className=org.apache.catalina.core.AprLifecycleListener
SSLEngine=on /

  !--Initialize Jasper prior to webapps are loaded. Documentation at
/docs/jasper-howto.html --
  Listener className=org.apache.catalina.core.JasperListener /

  !-- JMX Support for the Tomcat server. Documentation at
/docs/non-existent.html --
  Listener className=org.apache.catalina.mbeans.ServerLifecycleListener
/
  Listener
className=org.apache.catalina.mbeans.GlobalResourcesLifecycleListener /

I am using standalone tomcat (no apache) without SSL, without APR, I am not
using any manager or host-manager applications ..

Do I need these listeners or can I remove some/all of them?

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RE: jk Status not showing errors

Bonjour-

Then we define a URL, which should be mapped to this worker, i.e. the URL we use
to reach the functionality of the status worker. You can use any method mod_jk
supports
for the web server of your choice. Possibilities are maps inside
uriworkermap.properties,
an additional mount attribute in workers.properties, or in Apache JkMount.
Here's an
example for a uriworkermap.properties line:
/private/admin/mystatus=mystatus
http://tomcat.apache.org/connectors-doc/reference/status.html

Bon Chance!
Martin
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Date: Fri, 29 May 2009 13:50:17 -0700
From: lai...@sfu.ca
To: users@tomcat.apache.org
Subject: jk Status not showing errors

Good afternoon,

I've been trying to get the jkstatus component of mod_jk running, and
I'm not quite sure what I'm doing wrong in trying to have it report dead
Tomcat instances.

I have two tomcat instances setup in a load balancer, as a test I've
taken down one of them. However the jkstatus screen still shows both of
them as OK. I'm not sure what I'm missing from my workers.properties
file to make it test the Tomcat and report a failed instance, so I can
set Nagios to monitor this page and report problems.

My workers.properties is:

worker.list=production,development,old,jkstatus

worker.production.type=lb
worker.production.balance_workers=production1,production2
worker.production.sticky_session=True
worker.production.method=S

worker.lbbasic.type=ajp13
worker.lbbasic.connect_timeout=1
worker.lbbasic.recovery_options=7
worker.lbbasic.socket_keepalive=1
worker.lbbasic.socket_timeout=60

worker.production1.reference=worker.lbbasic
worker.production1.port=8009
worker.production1.host=localhost
#worker.production1.redirect=production2

worker.production2.reference=worker.lbbasic
worker.production2.port=8012
worker.production2.host=localhost
#worker.production2.activation=disabled

worker.development.port=8010
worker.development.host=localhost
worker.development.type=ajp13

worker.old.port=8011
worker.old.host=localhost
worker.old.type=ajp13

worker.jkstatus.type=status

Any advice on extra options to make jkstatus check and report when one
of the Tomcat instances isn't responding would be appreciated.

Thanks.

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RE: Which listeners required in server.xml?


DONT_NEEDdont need with Comment

 Running tomcat 6.0.18 server.xml has the following listener's enabled by
 default:
 
 
   !--APR library loader. Documentation at /docs/apr.html --
   Listener className=org.apache.catalina.core.AprLifecycleListener
 SSLEngine=on /
DONT_NEEDNO Implementation of LifecycleListener that will init and
 and destroy APR? then comment this out
 
   !--Initialize Jasper prior to webapps are loaded. Documentation at
 /docs/jasper-howto.html --
   Listener className=org.apache.catalina.core.JasperListener /
DONT_NEEDNO implementation of listener is designed to initialize Jasper before 
web applications are
 started then DONT_NEEDcomment out
 
   !-- JMX Support for the Tomcat server. Documentation at
 /docs/non-existent.html --
   Listener className=org.apache.catalina.mbeans.ServerLifecycleListener
 /
DONT_NEEDNo implementation of LifecycleListener that
 instantiates the set of MBeans associated with the DONT_NEEDcomponents of a
 running instance of Catalina. 
(MX Agents) then comment this out

   Listener
 className=org.apache.catalina.mbeans.GlobalResourcesLifecycleListener /
DONT_NEEDNo Implementation of LifecycleListener that instantiates the
 set of MBeans associated with global DONT_NEEDJNDI resources that are subject 
to
 management. 
then comment this out!

 
 I am using standalone tomcat (no apache) without SSL, without APR, I am not
 using any manager or host-manager applications ..
 
 Do I need these listeners or can I remove some/all of them?
DONT_NEEDIf No Apr then remove AprLifecycleListener
DONT_NEEDIf No Jsp then remove JasperListener
DONT_NEEDIf No MBean then remove ServerLifecycleListener
DONT_NEEDIf No JNDI then remove GlobalResourcesLifecycleListener

 -- 
 View this message in context: 
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RE: Which listeners required in server.xml?



mgainty wrote:
 
 Do I need these listeners or can I remove some/all of them?
 DONT_NEEDIf No Apr then remove AprLifecycleListener
 DONT_NEEDIf No Jsp then remove JasperListener
 DONT_NEEDIf No MBean then remove ServerLifecycleListener
 DONT_NEEDIf No JNDI then remove GlobalResourcesLifecycleListener
 
Thank you very much. I am not explicitly using JNDI or MBean in my app, but
I am not sure if Tomcat relies on this functionality either internally or
with Spring?



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RE: Windows x64 Installer

2009-05-29 Thread Jeffrey Janner

1) Correct
2) Didn't try and agree with you.
3) Correct.  Not using APR, just HTTP (HTTPS later, but not tried)
4) Correct.

System config:  Windows 2008 Standard (64-bit), Tomcat 5.5 standard
install running as standalone web server.
Copied the 32-bit install and replaced tomcat5.exe, tomcat5w.exe and
tcnative-1.dll with the current 64-bit versions from apache.org web/ftp
site.
Issued a tomcat5.exe //is, with appropriate options and jvm, to create
as a service.
There are no proxys on the system.  Windows firewall is off.  Using
Symantec Endpoint Protection 11.0.4 for virus  firewall security (same
results with firewall enabled/disabled).
Just trying to pull up the welcome page (http://ip:8080) and getting the
results described.

Also on 4) telnet ip 8080 will get a connection failure.

Jeff

-Original Message-
From: Caldarale, Charles R [mailto:chuck.caldar...@unisys.com] 
Sent: Friday, May 29, 2009 12:54 PM
To: Tomcat Users List
Subject: RE: Windows x64 Installer

 From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com]
 Subject: RE: Windows x64 Installer
 
 Tested all those options before I sent the mail.

Let me summarize to see if I understand this properly:

1) 32-bit JVM, 32-bit DLL: works from localhost and from a separate
system

2) 32-bit JVM, 64-bit DLL: ?? (shouldn't work)

3) 64-bit JVM, 32-bit DLL: works from localhost and from a separate
system (it shouldn't work - you probably aren't using APR in this case)

4) 64-bit JVM, 64-bit DLL: works from localhost, but not from a separate
system

Is the above correct?

 - Chuck


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Re: Windows x64 Installer

2009-05-29 Thread Markus Schönhaber

János Löbb:

 Because the electron has resting mess, it will never go with speed of  
 light.  The info by the way is not supplied by the electron, but  
 rather with electromagnetic waves around the wire who have no resting  
 mess,

Oh, what a mess!
;-)

-- 
Regards
  mks

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RE: Which listeners required in server.xml?

Spring and/or DI frameworks do not use either JNDI or MXbean unless
specifically configured to do so
free to disable those listeners as they are serve no useful purpose

Martin Gainty
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pour le contenu fourni.

Date: Fri, 29 May 2009 15:50:00 -0700
From: johnpi...@yahoo.com
To: users@tomcat.apache.org
Subject: RE: Which listeners required in server.xml?

mgainty wrote:

Do I need these listeners or can I remove some/all of them?
DONT_NEEDIf No Apr then remove AprLifecycleListener
DONT_NEEDIf No Jsp then remove JasperListener
DONT_NEEDIf No MBean then remove ServerLifecycleListener
DONT_NEEDIf No JNDI then remove GlobalResourcesLifecycleListener

Thank you very much. I am not explicitly using JNDI or MBean in my app, but
I am not sure if Tomcat relies on this functionality either internally or
with Spring?

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Re: Which listeners required in server.xml?

2009-05-29 Thread Bill Barker


johnrock johnpi...@yahoo.com wrote in message 
news:23787784.p...@talk.nabble.com...

 Running tomcat 6.0.18 server.xml has the following listener's enabled by
 default:


  !--APR library loader. Documentation at /docs/apr.html --
  Listener className=org.apache.catalina.core.AprLifecycleListener
 SSLEngine=on /


If you are not using APR, than you don't need this (and removing it gets rid 
of a message at startup).

  !--Initialize Jasper prior to webapps are loaded. Documentation at
 /docs/jasper-howto.html --
  Listener className=org.apache.catalina.core.JasperListener /


If you are never going to use JSP pages, can probably remove it.  However, 
it's pretty light-weight so would leave it in just so that I don't have to 
spend time with any weird errors.

  !-- JMX Support for the Tomcat server. Documentation at
 /docs/non-existent.html --
  Listener className=org.apache.catalina.mbeans.ServerLifecycleListener
 /

This looks like it is left over from the admin webapp (RIP).  It doesn't 
look like it does anything particularly useful anymore, but again the 
warning about weird errors.

  Listener
 className=org.apache.catalina.mbeans.GlobalResourcesLifecycleListener /


Also left over from the admin webapp (RIP).  This one really doesn't do 
anything particularly useful anymore, so it is safe to remove.  It should 
probably be removed from the distribution as well (at least for TC 7), since 
it was a bad idea in the first place.

 I am using standalone tomcat (no apache) without SSL, without APR, I am 
 not
 using any manager or host-manager applications ..

 Do I need these listeners or can I remove some/all of them?

 -- 
 View this message in context: 
 http://www.nabble.com/Which-listeners-required-in-server.xml--tp23787784p23787784.html
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Re: Apache Portable Runtime ?

2009-05-29 Thread Bill Barker

Caldarale, Charles R chuck.caldar...@unisys.com wrote in message 
news:0aae5ab84b013e45a7b61cb66943c17228f1795...@usea-exch7.na.uis.unisys.com...
 From: johnrock [mailto:johnpi...@yahoo.com]
 Subject: Re: Apache Portable Runtime ?

 Given that, is it still a preferred idea to install APR?

Your best bet is to measure the performance of your webapp with and without 
APR.  Since you're not using SSL and have limited static content, I 
suspect you won't see much of a difference.

I agree with Chuck.  The performance of APR against the other connectors 
varies a lot depending on the OS (e.g. last time I saw numbers, which was a 
while ago, APR for dynamic content was slower on Windows).  If you don't 
expect to be handling a lot of concurrent connections with HTTP only than 
APR doesn't offer a lot of benifits.

 Is installing the APR considered a 'must do' for anyone
 looking to maximize the performance of Tomcat in production?
 Or is this something in the category of 'not neccessary/
 adviseable unless you need it'?

I'd put it in the latter category, unless you measure a noticeable 
throughput gain with it.  Including APR does reduce portability, since 
you'll need a different native library for each platform, including just 
going from a 32- to 64-bit JVM.

 - Chuck

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Re: how to convert struts based apps from tomcat4 to tomcat5.5?

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Maurizio,

On 5/29/2009 3:05 AM, Maurizio Rottin wrote:
 bean:define id=abst name=news property=abstr /
 bean:define id=title name=news property=title/

[snip]

 ERROR [TP-Processor40] - Servlet.service() for servlet jsp threw exception
 javax.servlet.jsp.JspException: Define tag cannot set a null value
at org.apache.struts.taglib.bean.DefineTag.doEndTag(DefineTag.java:272)
 etc. etc.

Check the documentation for the bean:define tag:

http://struts.apache.org/1.2.x/userGuide/struts-bean.html#define

It says:


USAGE NOTE - If you use another tag to create the body content (e.g.
bean:write), that tag must return a non-empty String. An empty String
equates to an empty body or a null String, and a new scripting variable
cannot be defined as null. Your bean must return a non-empty String, or
the define tag must be wrapped within a logic tag to test for an empty
or null value.


So, bean:define is basically calling news.getAbstr() (or
news.getTitle()) and it is returning null, which throws an error.

I suspect that either your news object is null, or the title or abstract
of the news item is null. My guess is that 'news' is null.

Maybe you mistyped news as nzews?

 logic:iterate scope=request id=nzews name=limitNewsList
length=2 offset=0

??

 if i comment this line request.setAttribute(limitNewsList ,
 limitNewsList );, the page is shown without errors.

That's because you change the flow of execution to avoid your
bean:define. It doesn't fix the problem: it only masks it.

- -chris
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Re: retrive Arabic data

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George,

On 5/28/2009 3:59 PM, George Sexton wrote:
 The issue is the default character set for Java. I've noticed that at
 least at one point in time, the default character set for Java running
 under windows was Windows-1252. Running under Linux it defaults to
 ISO-8859-1.

That's a bold statement.

$ uname -a
Linux chadis 2.6.14-gentoo-r5 #2 PREEMPT Sat Dec 17 16:30:55 EST 2005
i686 AMD Athlon(tm) XP 1700+ AuthenticAMD GNU/Linux

$ java -version
java version 1.6.0_13
Java(TM) SE Runtime Environment (build 1.6.0_13-b03)
Java HotSpot(TM) Client VM (build 11.3-b02, mixed mode, sharing)

$ java -classpath .. Env | grep file\.encoding=
file.encoding=ANSI_X3.4-1968

That's ASCII, baby!

 I'm sure the same issue is happening here. It's defaulting to
 Windows-1256 on Arabic windows, on another OS it's defaulting to
 ISO-8859-1 or perhaps ISO-8859-6.

As Len points out, file.encoding should have nothing to do with this
since the data source is a database. file.encoding is only used when
converting bytes to characters and no encoding has explicitly been
specified. The db driver should at least default to something (which
/may/ be file.encoding but should probably default to whatever the
database is actually using).

 I ran into these kind of issues when I called the various String to Byte
 Array functions, e.g. String.getBytes(). I was calling getBytes() and
 then using a hash function for the result and getting different results
 on different machines.

That's because calling String.getBytes() is a bad idea. You should be
using String.getBytes(String).

 In short, there's no simple answer. You have to figure out step by step
 where things are going wrong, and then address those issues.

+1

 1) Default Charset on each platform.

- -1

 2) Charset the database is declared with
 3) Charset of data coming in from db.

+1

 4) Charset of pages. Do the pages explicitly set the encoding to UTF-8?

+0 : UTF-8 isn't the only game in town, but it's the only one worth
playing :)

This application wouldn't work on any system unless the page encoding
had been explicitly set to something that contained Arabic characters,
since the default JSP encoding is ISO-8859-1 which clearly does not
contain such characters.

I would also check the system you're on /for the browser/. I had a
problem where one machine could properly render Chinese characters while
another one couldn't: the server was 100% correct but the client was
failing to display them properly. There's nothing the server can do
about that!

I would also check your database driver settings. If you use Tomcat to
set up your database connection pool (using a Resource element in
context.xml) then you may have different encodings set on different
servers. Make sure that they are all the same (and I would highly
recommend copying the one that /works/).

Hope that helps,
- -chris
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Re: retrive Arabic data

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André-John,

On 5/28/2009 7:23 PM, Andre-John Mas wrote:
 You can specify any encoding you wish, but this is the most
 universal encoding. If you don't specify the character encoding in
 the content-type most browsers will default to ISO-8859-1 as the
 specification requires.

It's the /server/ that defaults to using ISO-8859-1, not the browser.
The browser will simply do what it's told (unless it's MSIE, of course,
in which case it will do as it pleases).

 - You can over-ride the default encoding used by the VM, by passing
   the -Djava.encoding=UTF-8 option in catalina.bat

Better to set this in bin/setenv.sh to keep your options separate from
the actual startup script.

 One assumption you can make is that Java uses UTF-16 internally.

True, but not really relevant. There is no encoding of a String.
Character encodings only come into play when you need to convert
characters to bytes.

- -chris
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Re: retrive Arabic data

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André-John,

On 5/28/2009 6:59 PM, Andre-John Mas wrote:
 The ability to display non-latin charactrers depends as much on the 
 client operating system, as on the what the server is providing. For 
 example if you have nothing on your computer that knows how to
 render arabic charcaters then you are likely to end up with junk
 characters (usually question marks).

Absolutely.

 Most recent operating systems support UTF-8. With Windows 2003 server
 and Windows 2000, it will depend on what browser you are using,
 whether you have international language packs installed and whether
 you have the right fonts.

It will always depend on the browser you are using. The operating system
is not relevant.

 Linux, MS-Windows (as of Windows XP) and MacOS X all know how to
 deal with UTF-8. On Windows you should ensure that at least Internet
 Explorer 7 is being used.

Malarchy: Windows versions before Windows XP could handle non-latin
character sets. Unicode support is part of win32 and should be available
for all versions of win32 including that awful kludge win32s which could
be installed onto Windows 3.1.

MSIE 7+ is not at all required to view utf8. MSIE versions back to 2.0
have supported multi-byte character sets.

- -chris
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Re: Potential connection leakage

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Johnny,

On 5/28/2009 11:53 PM, Johnny Lui wrote:
 Potential connection leakage:4

Looks like you might be leaking connections. You should fix that!

http://blog.christopherschultz.net/?p=68

- -chris
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Re: Which listeners required in server.xml?

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John,

On 5/29/2009 6:08 PM, johnrock wrote:
 I am using standalone tomcat (no apache) without SSL, without APR, I am not
 using any manager or host-manager applications ..

Adding the APR library will give you a significant performance
improvement even with the plain-old HTTP connector. It might be worth
installing APR and leaving that listener in there.

- -chris
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Re: Apache Portable Runtime ?

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John,

On 5/29/2009 4:38 PM, johnrock wrote:
 I wanted to add a little clarity to my question: I am not using SSL or
 serving any significant amount of static content - just good ol fashioned
 Jsp/Jstl's with a standalone tomcat (no Apache). A very svelt and simple web
 app that I am designing for performance.

Aah... I read your messages out-of-order. APR will get you the biggest
performance increase with static files and sendFile=true set on your
connector.

Still, any performance decisions made without actually doing some tests
would be silly, so go ahead and benchmark your application and see what
the difference is.

Setting up APR is pretty trivial, so it's not like it will take too much
effort to make an informed decision.

- -chris
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Re: Apache Tomcat hangs

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Raquel,

On 5/29/2009 6:35 AM, Raquel Hernández Martinez wrote:
 I am using apache Tomcat 5.5 which is set up on a hp-ux machine.
 my application uses jaspert-reports
 At times during we use jaspert-rerpot for generate to a pdf, get an error
 as shown below, and this causes the servers hangs and can not log on the
 tomcat console and application.

Ugh... are you really using JSP to generate a PDF through jasper
reports? Does the JSP actually generate a PDF to the output stream, or
do you write the PDF to a file and then redirect to it or something like
that?

JSP wasn't designed to generate binary content, although it /can/ be
beaten into submission in order to do so.

 SEVERE: Exception initializing page context
 java.lang.IllegalStateException: Cannot create a session after the
 response has been committed
 at org.apache.catalina.connector.Request.doGetSession(Unknown Source)

[snip]

 at org.apache.catalina.core.ApplicationDispatcher.include(Unknown
 Source)
 at org.apache.jasper.runtime.JspRuntimeLibrary.include(Unknown
 Source)
 at
 org.apache.jsp.jsp.Alarma_Detalle_Service_jsp._jspService(Alarma_Detalle_Service_jsp.java:122)

The problem is that you are including one page from another, and the
page you are calling requires a session. The including page apparently
does /not/ need a session, and so the included page tries to create one.

In spite of the fact that the servlet spec specifically forbids this,
Tomcat is trying it, anyway, and when the session is created, a
Set-Cookie header needs to be sent to the browser. If the headers have
already been sent, you get this error.

Solutions?

I'd set session=true in Alarma Detalle Service.jsp and see if that
helps.

I'd also try not to generate PDF output from a JSP ;)

- -chris
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Re: Apache Tomcat hangs

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Martin,

Wow, you did a lot of work!

On 5/29/2009 8:47 AM, Martin Gainty wrote:
 but none of this *should happen if the jsp execution did'nt double submit* 
 relevant bits of your jsp code located at

What does this mean?

 at org.apache.jasper.runtime.JspFactoryImpl.getPageContext(Unknown
 Source)
 at
 org.apache.jsp.jsp.Alarma_Detalle_jsp._jspService(Alarma_Detalle_jsp.java:37)

 //Why is this code (re)referencing getPageContext

It's not. _initialize() is simply calling getSession() because the page
declared session=true (or failed to declare session=false, since
it's the default).

- -chris
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Re: Apache Tomcat hangs