Rainer,
We upgraded mod_jk to 1.2.19 and we are still getting the same error in
mod_jk.
[Tue Dec 19 11:35:36 2006] [31691:0000] [warn]
ajp_get_endpoint::jk_ajp_common.c (2258): Unable to get the free endpoint
for worker myWorker from 1 slots
[Tue Dec 19 11:35:36 2006] [31691:0000] [info]
ajp_get_endpoint::jk_ajp_common.c (2272): can't find free endpoint
[Tue Dec 19 11:35:36 2006] myWorker gorgon 0.000099
[Tue Dec 19 11:35:36 2006] [31691:0000] [info] jk_handler::mod_jk.c (1986):
Service error=0 for worker=myWorker
I would really apperciate if anyone could help me on this.
Shekar
On 12/17/06, Shekar Tippur <[EMAIL PROTECTED]> wrote:
Hello,
Thanks for replying back.
I cannot see any specal requests but there maybe high load. I can see 193
active threads.
We are in the process of upgrading mod_jk version to 1.2.19.
Here is some of the information you wanted. Please let me know if you need
more information.
cat /proc/version
Linux version 2.6.9-34.ELsmp ([EMAIL PROTECTED]) (gcc
version 3.4.5 20051201 (Red Hat 3.4.5-2 ))
worker.properties
worker.list=jkstatus,consWorker,myWorker
# Configure Load Balancer status manager.
worker.jkstatus.type=status
worker.consWorker.port=8009
worker.consWorker.host=localhost
worker.consWorker.type=ajp13
worker.consWorker.socket_timeout=120
# Define first worker for failover
worker.myWorker.port=8010
worker.myWorker.host=localhost
worker.myWorker.type=ajp13
worker.myWorker.socket_timeout=120
apache_mod_jk.conf file
# conf/include/apache_mod_jk.conf
# global settings files for the mod jk connector
LoadModule jk_module libexec/apache_mod_jk.so
# Where to find workers.properties
JkWorkersFile /home/apache/conf/apache/mod_include/worker.properties
# Where to put jk logs
JkLogFile logs/apache/mod_jk.log
# Set the jk log level [debug/error/info]
JkLogLevel info
# Select the log format
JkLogStampFormat "[%a %b %d %H:%M:%S %Y] "
# JkRequestLogFormat set the request format
JkRequestLogFormat "%w %V %T"
# JkOptions indicate to send SSL KEY SIZE,
JkOptions +ForwardURICompat -ForwardDirectories
# Configure Load Balancer status manager.
#JkWorkerProperties worker.jkstatus.type=status
# status for later load balancing
<Location /jkmanager/>
JkMount /jkstatus/*
Order deny,allow
Deny from all
Allow from 127.0.0.1
</Location>
JkMount /jkmanager/* jkstatus
On 12/16/06, Rainer Jung <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> this looks strange. Could you please post your config and give a couple
> of details about your environment (OS+Version). Is there any pattern
> related to the problem (special requests, high load, ...)?
>
> It would be really good, if you could update mod_jk to 1.2.19 or 1.2.20
> which will most likely be available middle of next week.
>
> Regards,
>
> Rainer
>
> Shekar Tippur schrieb:
> > Hello
> >
> > We are getting unable to get the free endpoint and eventually
> resulting
> > in a 500 (internal server error).
> >
> > We are using apache 1.3.37 and mod_jk version is 1.2.15. Due to many
> > reasons,
> > we are not in a position to upgrade wither of these packages.
> >
> > [Fri Dec 08 01:34:09 2006] [18477:0000] [warn]
> > ajp_get_endpoint::jk_ajp_common.c (2138): Unable to get the free
> > endpoint for worker myWorker from 1 slots [Fri Dec 08 01:34:09 2006]
> > [18477:0000] [info] ajp_get_endpoint::jk_ajp_common.c (2152): can't
> > find free endpoint [Fri Dec 08 01:34:09 2006] [18477:0000] myWorker
> > 0.000088
> >
> > Under these situations, we also see that either jboss threads are
> > processing
> > for a long time OR a particular thread is idle for a relatively long
> time.
> >
> > I would really appreciate if someone can explain why this particular
> error
> > occurs and how to remediate the problem. Currently we are restarting
> both
> > jboss and apache but we are not able to get to the root cause of the
> > problem.
> >
> > People who have got the same error earlier have suggested that we need
> > to increase the cachesize OR the connection_pool_size of the worker.
> >
> > but mod_jk documentation says that it is not recommended to use
> > cachesize more than 1 for apache version 1.3.x.
> >
> > I would really appreciate if anyone can suggest a remediation for this
> > issue.
> >
> > Shekar
> >
> > -----------------
> > cachesize
> >
> > This directive has been deprecated since 1.2.16.
> > Cachesize defines the number of connections made to the AJP backend
> > that are maintained as a connection pool. It will limit the number of
> > those connection that each web server child process can make.
> >
> > Cachesize property is used only for multi threaded web servers such as
> > Apache 2.0 (worker), IIS and Netscape. The cachesize property should
> > reflect the number of threads per child process. JK will discover the
> > number of threads per child process on Apache 2 web server with
> > worker-mpm and set its default value to match the ThreadsPerChild
> > Apache directive. For IIS the default value is 10. For other web
> > servers this value has to be set manually.
> >
> > Do not use cachesize with values higher then 1 on Apache 2.x prefork
> or
> > Apache 1.3.x!
> >
> > ---------------
> >
> > Shekar
> >
>
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