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From Kevan Miller <kevan.mil...@gmail.com>
Subject Re: startup geronimo jetty on AIX fails
Date Tue, 17 Mar 2009 14:27:59 GMT

On Mar 17, 2009, at 9:13 AM, MarcoLaponder wrote:

>
> When I try to start geronimo with jetty on AIX it gives me the  
> following
> message:
>
> Module 24/67 org.apache.geronimo.configs/j2ee-corba-yoko/2.1.3/car
> started in  1.910s
>
> Module 25/67 org.apache.geronimo.configs/jetty6/2.1.3/car
> 12:16:48,589 ERROR [log] failed Ajp13SocketConnector@0.0.0.0:8009
>
> java.lang.OutOfMemoryError: unable to create new native thread
>        at java.lang.Thread.start0(Native Method)
>        at java.lang.Thread.start(Thread.java:597)
>        at
> java 
> .util 
> .concurrent 
> .ThreadPoolExecutor.addIfUnderCorePoolSize(ThreadPoolExecutor.java: 
> 703)
>
>        at
> java 
> .util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java: 
> 652)
>        at  
> org.apache.geronimo.pool.ThreadPool.execute(ThreadPool.java:232)
>        at
> org 
> .apache 
> .geronimo 
> .jetty6.connector.JettyThreadPool.dispatch(JettyThreadPool.java:47)
>        at
> org.mortbay.jetty.AbstractConnector.doStart(AbstractConnector.java: 
> 266)
>
> I also tried :
> JAVA_OPTS="-Xmx256m -XX:MaxPermSize=128m"
> and
> JAVA_OPTS="-Xmx512m -XX:MaxPermSize=256m"
>
> but still no luck. When I use geronimo with tomcat I got no problems.
>
> Anyone got an idea what to do to solve this problem ?

Strange. I haven't used AIX in a long time. Is there some limit on the  
number of threads that a java process can start? IIRC you can  
configure the stack size allocated for each thread ( something like - 
Xss64k I think...). Reducing the amount of memory that will be  
allocated for each thread may help...

Alternative is to reduce the number of threads that the AJP Connector  
will allocate is another option:

In var/config/config.xml

Find:

         <gbean name="JettyAJP13Connector">
             <attribute name="host">${ServerHostname}</attribute>
             <attribute name="port">${AJPPort + PortOffset}</attribute>
             <attribute name="redirectPort">${HTTPSPortPrimary +  
PortOffset}</attribute>
         </gbean>

and add

             <attribute name="maxThreads">1</attribute>

--kevan
  
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