Re: [OT] Sending request to tomcat failed.....

2010-02-25 Thread Pid

On 25/02/2010 22:00, André Warnier wrote:

Pid wrote:

On 25/02/2010 19:49, André Warnier wrote:

Pid wrote:

Maybe you're not seeing any of the answers we're posting?


In which case..
:-)


[cue tumbleweed]


In the same vein, I got an email message yesterday (from one of our
watchdog scripts), which was :

quote

Subject: Cron  /root/bin/miraError
Date: Wed, 24 Feb 2010 08:00:02 +0100
From: r...@.yyy.com (Cron Daemon)
To: r...@xxx.yyy.com

Can't send mail: sendmail process failed


unquote

No kidding.
I'm a bit puzzled.


... and people wonder why we can't make the interweb tubes run perfectly 
all of the time.



p



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Re: [OT] Sending request to tomcat failed.....

2010-02-25 Thread André Warnier

Pid wrote:

On 25/02/2010 19:49, André Warnier wrote:

Pid wrote:

Maybe you're not seeing any of the answers we're posting?


In which case..
:-)


[cue tumbleweed]

In the same vein, I got an email message yesterday (from one of our 
watchdog scripts), which was :


quote

Subject: Cron  /root/bin/miraError
Date: Wed, 24 Feb 2010 08:00:02 +0100
From: r...@.yyy.com (Cron Daemon)
To: r...@xxx.yyy.com

Can't send mail: sendmail process failed


unquote

No kidding.
I'm a bit puzzled.




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Re: Sending request to tomcat failed.....

2010-02-25 Thread Pid

On 25/02/2010 19:49, André Warnier wrote:

Pid wrote:

Maybe you're not seeing any of the answers we're posting?


In which case..
:-)


[cue tumbleweed]


p


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Re: Sending request to tomcat failed.....

2010-02-25 Thread André Warnier

Pid wrote:

Maybe you're not seeing any of the answers we're posting?


In which case..
:-)

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Re: Sending request to tomcat failed.....

2010-02-25 Thread Pid

Maybe you're not seeing any of the answers we're posting?


p


On 25/02/2010 13:04, Munirathinavel wrote:


Hi all...
 I've been performance testing for few days.While doing load testing with
50 users, I'm also trying to access the application through Browser but
sometimes pages are not loading for long time.While seeing the logs I'm
getting the following lines in mod_jk.log

[Thu Feb 25 17:09:31 2010][4180:2508] [info] jk_ajp_common.c (1788): Writing
to client aborted or client network problems
[Thu Feb 25 17:09:31 2010][4180:2508] [info] jk_ajp_common.c (2447):
(worker1) sending request to tomcat failed (unrecoverable), because of
client write error (attempt=1)
[Thu Feb 25 17:09:31 2010]worker1 216.205.107.50 48.484375
[Thu Feb 25 17:09:31 2010][4180:2508] [info] mod_jk.c (2608): Aborting
connection for worker=worker1

  These are my apache2.2&  tomcat6.0.18 configurations...

workers.properties:

 workers.tomcat_home=D:/tomcat6.0.18
 workers.java_home=C:/Program Files/Java/jdk1.6.0_16

ps=/


worker.list=worker1
 worker.worker1.type=ajp13
 worker.worker1.host=
 worker.worker1.port=8009
 worker.worker1.connection_pool_timeout=600
 worker.worker1.connect_timeout=6
 worker.worker1.prepost_timeout=6
 worker.worker1.socket_keepalive=1
 worker.worker1.socket_timeout=60
 worker.worker1.lbfactor=1
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers= worker1
worker.inprocess.type=jni

server.xml

   
   
   
   
   
 
   
   
 

   
   

 
   
 
   



context.xml



  WEB-INF/web.xml
 
 


httpd-vhosts.conf

NameVirtualHost *:80

 ServerAdmin xx
 DocumentRoot "D:/Apache2.2/htdocs/gateway"
 ServerName xx
 ServerAlias xx
 ErrorLog "logs/gateway-error.log"
 CustomLog "logs/gateway-access.log" common

 JkMount /* worker1
 JkUnMount /*js/*.js worker1
 JkUnMount /*.jpeg worker1
 JkUnMount /*.png worker1
 JkUnMount /*.gif worker1
 JkUnMount /*.html worker1
 JkUnMount /*.jpg worker1
 JkUnMount /*.css worker1
 JkUnMount /*.swf worker1


   Due to this issue i'm not able to proceed further.Is there problem
with the configuration or where things are going wrong.



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Re: Sending request to tomcat failed.....

2010-02-25 Thread André Warnier

Munirathinavel wrote:

Hi all...
I've been performance testing for few days.While doing load testing with
50 users, I'm also trying to access the application through Browser

..
I think that you should get these 50 people off your shoulders, so that 
you can pay attention to the answers you have already been given to your 
previous 10 identical posts.


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Sending request to tomcat failed.....

2010-02-25 Thread Munirathinavel

Hi all...
I've been performance testing for few days.While doing load testing with
50 users, I'm also trying to access the application through Browser but
sometimes pages are not loading for long time.While seeing the logs I'm
getting the following lines in mod_jk.log

[Thu Feb 25 17:09:31 2010][4180:2508] [info] jk_ajp_common.c (1788): Writing
to client aborted or client network problems
[Thu Feb 25 17:09:31 2010][4180:2508] [info] jk_ajp_common.c (2447):
(worker1) sending request to tomcat failed (unrecoverable), because of
client write error (attempt=1)
[Thu Feb 25 17:09:31 2010]worker1 216.205.107.50 48.484375
[Thu Feb 25 17:09:31 2010][4180:2508] [info] mod_jk.c (2608): Aborting
connection for worker=worker1

 These are my apache2.2 & tomcat6.0.18 configurations...
 
workers.properties:

workers.tomcat_home=D:/tomcat6.0.18
workers.java_home=C:/Program Files/Java/jdk1.6.0_16

ps=/


worker.list=worker1
worker.worker1.type=ajp13
worker.worker1.host=
worker.worker1.port=8009
worker.worker1.connection_pool_timeout=600
worker.worker1.connect_timeout=6
worker.worker1.prepost_timeout=6
worker.worker1.socket_keepalive=1
worker.worker1.socket_timeout=60
worker.worker1.lbfactor=1
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers= worker1
worker.inprocess.type=jni

server.xml

  
  
  
  
  

  
  

   
  
  


  

  
   


context.xml

 
   
 WEB-INF/web.xml




httpd-vhosts.conf

NameVirtualHost *:80

ServerAdmin xx
DocumentRoot "D:/Apache2.2/htdocs/gateway"
ServerName xx
ServerAlias xx
ErrorLog "logs/gateway-error.log"
CustomLog "logs/gateway-access.log" common

JkMount /* worker1
JkUnMount /*js/*.js worker1
JkUnMount /*.jpeg worker1
JkUnMount /*.png worker1
JkUnMount /*.gif worker1
JkUnMount /*.html worker1
JkUnMount /*.jpg worker1
JkUnMount /*.css worker1
JkUnMount /*.swf worker1

   
  Due to this issue i'm not able to proceed further.Is there problem
with the configuration or where things are going wrong.
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Re: sending request to tomcat failed.....

2010-02-24 Thread André Warnier

Christopher Schultz wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

All,

I suppose I can't claim divination, here, since this was posted before I
made my prediction, but I swear I didn't read it.

On 2/24/2010 5:30 AM, Munirathinavel wrote:

worker.worker1.connection_pool_timeout=600


[snip]




Boom!

worker.connection_pool_timeout is in sec, while
Connector.connectionTimeout is in ms. You want
connectionTimeout="60", just like the example in the documentation:
http://tomcat.apache.org/connectors-doc/generic_howto/timeouts.html


Or, as the OP has already been told several times,
1) he should read the doc and clean up his configuration to match the 
version he is using

2) he should not use parameters he does not understand
3) he should use only the minimal set of configuration settings, for the 
workers and connections that are really necessary
4) he should read the answers he receives, instead of repeating the same 
question over and over




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Re: sending request to tomcat failed.....

2010-02-24 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

All,

I suppose I can't claim divination, here, since this was posted before I
made my prediction, but I swear I didn't read it.

On 2/24/2010 5:30 AM, Munirathinavel wrote:
>   worker.worker1.connection_pool_timeout=600

[snip]

>   http://tomcat.apache.org/connectors-doc/generic_howto/timeouts.html

>debug="0"
>maxThreads="150"
>minSpareThreads="25"
>maxSpareThreads="75"
>minProcessors="5"
>maxProcessors="100"
>acceptCount="100"
>disableUploadTimeout="true"

All that crap is useless. Read the documentation:
http://tomcat.apache.org/tomcat-6.0-doc/config/ajp.html

>"org.apache.jk.config.ApacheConfig"
> workersConfig="conf/workers.properties"
> modJk="D:/Apache2.2/modules/mod_jk.so" jkLog="logs/mod_jk.log"
> jkDebug="info" noRoot="false"/>

Double boom!

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

iEYEARECAAYFAkuFS+0ACgkQ9CaO5/Lv0PC3mgCggdmm9miw0CVhwiaMCYAaINEv
E5AAoKxnSKmDcsFmrrwEmK7gHz8ZXPaM
=qqKD
-END PGP SIGNATURE-

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Re: sending request to tomcat failed.....

2010-02-24 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Pid,

On 2/18/2010 9:18 AM, Pid wrote:
> My guess is that his server.xml contains a load of spurious config,
> which may or may not be messing up his mod_jk config.

I'll try my hand at divination: he's using the ModJkListener to re-write
his configuration every time Tomcat starts.

> But then I'd also bet that his problem manifests as an NPE in one of the
> JSPs, because either the load testing script doesn't handle cookies
> properly, his URLs aren't encoded properly or his JSPs don't properly
> handle borked data conditions.

More likely that worker.connect_timeout != connector.connectionTimeout
and/or worker.connection_pool_size or httpd.maxActive > connector.maxActive.

- -chris
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0XgAn2cDupgcO5AP3lAebYccy47dtMSn
=OGfL
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Re: sending request to tomcat failed..

2010-02-24 Thread Pid

On 24/02/2010 13:08, Munirathinavel wrote:


Hi...
   I'm using the following files in Tomcat&  Apache.

workers.properties:

 workers.tomcat_home=D:/tomcat6.0.18
 workers.java_home=C:/Program Files/Java/jdk1.6.0_16

ps=/


worker.list=worker1
 worker.worker1.type=ajp13
 worker.worker1.host=
 worker.worker1.port=8009
 worker.worker1.connection_pool_timeout=600
 worker.worker1.connect_timeout=6
 worker.worker1.prepost_timeout=6
 worker.worker1.socket_keepalive=1
 worker.worker1.socket_timeout=60
 worker.worker1.lbfactor=1
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers= worker1


The line below looks like a bad idea.


worker.inprocess.type=jni

server.xml

   
   
   
   
   
 
   
   
 

   
   

 


As André said, probably best to start over with a fresh, up-to-date 
configuration.  I may have missed which version of mod_jk you're using, 
can you tell us?



p


   
 
   



context.xml





  WEB-INF/web.xml
 
 

virtual-host.conf
NameVirtualHost *:80

 ServerAdmin xx
 DocumentRoot "D:/Apache2.2/htdocs/gateway"
 ServerName xx
 ServerAlias xx
 ErrorLog "logs/gateway-error.log"
 CustomLog "logs/gateway-access.log" common

 JkMount /* worker1
 JkUnMount /*js/*.js worker1
 JkUnMount /*.jpeg worker1
 JkUnMount /*.png worker1
 JkUnMount /*.gif worker1
 JkUnMount /*.html worker1
 JkUnMount /*.jpg worker1
 JkUnMount /*.css worker1
 JkUnMount /*.swf worker1


   Due to this issue i'm not able to proceed further.Can you please reply
me soon.Hoping for the nice r



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Re: sending request to tomcat failed..

2010-02-24 Thread Munirathinavel

Hi...
  I'm using the following files in Tomcat & Apache.

workers.properties:

workers.tomcat_home=D:/tomcat6.0.18
workers.java_home=C:/Program Files/Java/jdk1.6.0_16

ps=/


worker.list=worker1
worker.worker1.type=ajp13
worker.worker1.host=
worker.worker1.port=8009
worker.worker1.connection_pool_timeout=600
worker.worker1.connect_timeout=6
worker.worker1.prepost_timeout=6
worker.worker1.socket_keepalive=1
worker.worker1.socket_timeout=60
worker.worker1.lbfactor=1
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers= worker1
worker.inprocess.type=jni

server.xml

  
  
  
  
  

  
  

   
  
  


  

  
   


context.xml


 
   

 WEB-INF/web.xml



virtual-host.conf
NameVirtualHost *:80

ServerAdmin xx
DocumentRoot "D:/Apache2.2/htdocs/gateway"
ServerName xx
ServerAlias xx
ErrorLog "logs/gateway-error.log"
CustomLog "logs/gateway-access.log" common

JkMount /* worker1
JkUnMount /*js/*.js worker1
JkUnMount /*.jpeg worker1
JkUnMount /*.png worker1
JkUnMount /*.gif worker1
JkUnMount /*.html worker1
JkUnMount /*.jpg worker1
JkUnMount /*.css worker1
JkUnMount /*.swf worker1

   
  Due to this issue i'm not able to proceed further.Can you please reply
me soon.Hoping for the nice r
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Re: sending request to tomcat failed.....

2010-02-24 Thread André Warnier
  Due to this issue i'm not able to proceed further.Can you please reply
me soon.Hoping for the nice reply.




Peter Crowther wrote:

On 18 February 2010 13:55, Munirathinavel 
wrote:

I'm using apache2.2 + tomcat6.0.18 + mod_jk1.2.28 for my portal.While
doing
load test with 20 & more users i'm getting the following message in
mod_jk.logand in browser also page is not getting loaded...

[...]

[Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (1788):
Writing
to client aborted or client network problems
[Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (2447):
(worker1) sending request to tomcat failed (unrecoverable), because of
client write error (attempt=1)
[Thu Feb 18 18:35:07 2010]worker1 216.205.107.50 30.25
[Thu Feb 18 18:35:07 2010][1528:2244] [info] mod_jk.c (2608): Aborting
connection for worker=worker1


 I'm suspecting this due to some improper configuration of
workers.properties & virtual host settings.
can you please help me to proceed further.

We probably could, but we are not telepaths.  We cannot analyse your
configuration given the information you have posted.  If you suspect
the error is somewhere in workers.properties and virtual host
settings, then why not post them plus your server.xml (with any
sensitive bits replaced)?

- Peter

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Re: sending request to tomcat failed.....

2010-02-24 Thread Munirathinavel

Hi...
  I'm using the following files in Tomcat & Apache.

workers.properties:

workers.tomcat_home=D:/tomcat6.0.18
workers.java_home=C:/Program Files/Java/jdk1.6.0_16

ps=/


worker.list=worker1
worker.worker1.type=ajp13
worker.worker1.host=
worker.worker1.port=8009
worker.worker1.connection_pool_timeout=600
worker.worker1.connect_timeout=6
worker.worker1.prepost_timeout=6
worker.worker1.socket_keepalive=1
worker.worker1.socket_timeout=60
worker.worker1.lbfactor=1
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers= worker1
worker.inprocess.type=jni

server.xml

  
  
  
  
  

  
  

   
  
  


  

  



context.xml


 
   

 WEB-INF/web.xml


 
virtual-host.conf
NameVirtualHost *:80

ServerAdmin xx
DocumentRoot "D:/Apache2.2/htdocs/gateway"
ServerName xx
ServerAlias xx
ErrorLog "logs/gateway-error.log"
CustomLog "logs/gateway-access.log" common

JkMount /* worker1
JkUnMount /*js/*.js worker1
JkUnMount /*.jpeg worker1
JkUnMount /*.png worker1
JkUnMount /*.gif worker1
JkUnMount /*.html worker1
JkUnMount /*.jpg worker1
JkUnMount /*.css worker1
JkUnMount /*.swf worker1


  Due to this issue i'm not able to proceed further.Can you please reply
me soon.Hoping for the nice reply.




Peter Crowther wrote:
> 
> On 18 February 2010 13:55, Munirathinavel 
> wrote:
>> I'm using apache2.2 + tomcat6.0.18 + mod_jk1.2.28 for my portal.While
>> doing
>> load test with 20 & more users i'm getting the following message in
>> mod_jk.logand in browser also page is not getting loaded...
> [...]
>> [Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (1788):
>> Writing
>> to client aborted or client network problems
>> [Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (2447):
>> (worker1) sending request to tomcat failed (unrecoverable), because of
>> client write error (attempt=1)
>> [Thu Feb 18 18:35:07 2010]worker1 216.205.107.50 30.25
>> [Thu Feb 18 18:35:07 2010][1528:2244] [info] mod_jk.c (2608): Aborting
>> connection for worker=worker1
>>
>>
>>  I'm suspecting this due to some improper configuration of
>> workers.properties & virtual host settings.
>> can you please help me to proceed further.
> 
> We probably could, but we are not telepaths.  We cannot analyse your
> configuration given the information you have posted.  If you suspect
> the error is somewhere in workers.properties and virtual host
> settings, then why not post them plus your server.xml (with any
> sensitive bits replaced)?
> 
> - Peter
> 
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> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org
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> 
> 
> 

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Re: sending request to tomcat failed.....

2010-02-18 Thread André Warnier

Peter Crowther wrote:

On 18 February 2010 13:55, Munirathinavel  wrote:

I'm using apache2.2 + tomcat6.0.18 + mod_jk1.2.28 for my portal.While doing
load test with 20 & more users i'm getting the following message in
mod_jk.logand in browser also page is not getting loaded...

[...]

[Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (1788): Writing
to client aborted or client network problems
[Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (2447):
(worker1) sending request to tomcat failed (unrecoverable), because of
client write error (attempt=1)
[Thu Feb 18 18:35:07 2010]worker1 216.205.107.50 30.25
[Thu Feb 18 18:35:07 2010][1528:2244] [info] mod_jk.c (2608): Aborting
connection for worker=worker1


 I'm suspecting this due to some improper configuration of
workers.properties & virtual host settings.
can you please help me to proceed further.


We probably could, but we are not telepaths. 

(apart from Pid)

 We cannot analyse your

configuration given the information you have posted.  If you suspect
the error is somewhere in workers.properties and virtual host
settings, then why not post them plus your server.xml (with any
sensitive bits replaced)?



In addition to what Peter mentions above, I would suggest to read the 
log messages carefully.  As you can imagine, these are not produced 
randomly.  The developer of mod_jk put them in the code, and tried to 
indicate as clearly as possible what is happening.
And it does not sound as if this is some wrong parameter in the 
configuration.


This is a schema of how it works :

a) HTTP request :

Client (browser) ==> Apache httpd --> mod_jk ==> Tomcat

b) HTTP response :

Tomcat ==> mod_jk --> Apache httpd ==> Client (browser)

In the above, a "==" represents a real TCP/IP connection, and a "--" is 
just an internal "function call".
(Or another way to see this, is that mod_jk is really a part of the 
Apache httpd code; it is just a function called by Apache, so there is 
no "external" connection between them).


c) In the log of mod_jk, there are these messages :

>> [Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (1788): 
Writing to client aborted or client network problems

>> [Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (2447):
>> (worker1) sending request to tomcat failed (unrecoverable), because 
of client write error (attempt=1)


So, mod_jk is saying : I cannot write to the client, because I do not 
have a connection with him anymore.
This happens during the response phase, when mod_jk has received some 
response bytes from Tomcat, and is trying to send them to the client 
(the browser).  But it cannot do that, because the TCP/IP connection 
with the client is already closed.


In other words :
- either the user lost patience, and clicked on another link in the 
browser page (or on the stop button in the browser, or closed the 
browser window).  In such cases, the browser will close the TCP/IP 
connection with Apache.
- or there is some network problem between the client and Apache, which 
causes the connection to be lost.
This can happen if there is some other element between Apache and the 
client that can close or lose the connection. (And of course there 
always is something : the internet, routers, firewalls,..).


A case like the above happens also regularly under normal circumstances. 
 There will always be users who cannot stop clicking all over on the 
page, or clicking again when they think that the server is too slow, and 
for a million other reasons.  It is normally nothing to worry about, 
except if it seems to happen too often, or users complain (and you can 
verify) that they just click once of the link, and they get incomplete 
pages or error messages.
But then, you should really analyse what happens, using a network 
monitoring tool like wireshark, and see what really happens to these 
lost connections.






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Re: sending request to tomcat failed.....

2010-02-18 Thread Pid

On 18/02/2010 14:06, Peter Crowther wrote:

On 18 February 2010 13:55, Munirathinavel  wrote:

I'm using apache2.2 + tomcat6.0.18 + mod_jk1.2.28 for my portal.While doing
load test with 20&  more users i'm getting the following message in
mod_jk.logand in browser also page is not getting loaded...

[...]

[Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (1788): Writing
to client aborted or client network problems
[Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (2447):
(worker1) sending request to tomcat failed (unrecoverable), because of
client write error (attempt=1)
[Thu Feb 18 18:35:07 2010]worker1 216.205.107.50 30.25
[Thu Feb 18 18:35:07 2010][1528:2244] [info] mod_jk.c (2608): Aborting
connection for worker=worker1


  I'm suspecting this due to some improper configuration of
workers.properties&  virtual host settings.
can you please help me to proceed further.


We probably could, but we are not telepaths.


Speak for yourself.


We cannot analyse your
configuration given the information you have posted.  If you suspect
the error is somewhere in workers.properties and virtual host
settings, then why not post them plus your server.xml (with any
sensitive bits replaced)?


My guess is that his server.xml contains a load of spurious config, 
which may or may not be messing up his mod_jk config.


But then I'd also bet that his problem manifests as an NPE in one of the 
JSPs, because either the load testing script doesn't handle cookies 
properly, his URLs aren't encoded properly or his JSPs don't properly 
handle borked data conditions.



p


- Peter

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Re: sending request to tomcat failed.....

2010-02-18 Thread Peter Crowther
On 18 February 2010 13:55, Munirathinavel  wrote:
> I'm using apache2.2 + tomcat6.0.18 + mod_jk1.2.28 for my portal.While doing
> load test with 20 & more users i'm getting the following message in
> mod_jk.logand in browser also page is not getting loaded...
[...]
> [Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (1788): Writing
> to client aborted or client network problems
> [Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (2447):
> (worker1) sending request to tomcat failed (unrecoverable), because of
> client write error (attempt=1)
> [Thu Feb 18 18:35:07 2010]worker1 216.205.107.50 30.25
> [Thu Feb 18 18:35:07 2010][1528:2244] [info] mod_jk.c (2608): Aborting
> connection for worker=worker1
>
>
>  I'm suspecting this due to some improper configuration of
> workers.properties & virtual host settings.
> can you please help me to proceed further.

We probably could, but we are not telepaths.  We cannot analyse your
configuration given the information you have posted.  If you suspect
the error is somewhere in workers.properties and virtual host
settings, then why not post them plus your server.xml (with any
sensitive bits replaced)?

- Peter

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sending request to tomcat failed.....

2010-02-18 Thread Munirathinavel

Hi..

I'm using apache2.2 + tomcat6.0.18 + mod_jk1.2.28 for my portal.While doing
load test with 20 & more users i'm getting the following message in
mod_jk.logand in browser also page is not getting loaded...


[Thu Feb 18 18:32:58 2010]worker1 216.205.107.50 0.031250
[Thu Feb 18 18:32:58 2010]worker1 216.205.107.50 0.031250
[Thu Feb 18 18:32:58 2010]worker1 216.205.107.50 0.031250
[Thu Feb 18 18:33:00 2010][1528:4604] [info] jk_ajp_common.c (1496):
(worker1) all endpoints are disconnected, detected by connect check (8),
cping (0), send (0)
[Thu Feb 18 18:33:00 2010]worker1 216.205.107.50 0.00
[Thu Feb 18 18:33:00 2010]worker1 216.205.107.50 0.00

[Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (1788): Writing
to client aborted or client network problems
[Thu Feb 18 18:35:07 2010][1528:2244] [info] jk_ajp_common.c (2447):
(worker1) sending request to tomcat failed (unrecoverable), because of
client write error (attempt=1)
[Thu Feb 18 18:35:07 2010]worker1 216.205.107.50 30.25
[Thu Feb 18 18:35:07 2010][1528:2244] [info] mod_jk.c (2608): Aborting
connection for worker=worker1


 I'm suspecting this due to some improper configuration of
workers.properties & virtual host settings.
can you please help me to proceed further. 


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