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From Pid <...@pidster.com>
Subject Re: Java.lang.out.of.memory not clearly....
Date Fri, 27 Jan 2012 18:32:25 GMT
On 27/01/2012 17:54, Luciano Andress Martini wrote:
> -Xmx512m -Xmx1024 ?

Please post your replies below the questions I asked.

Someone reading this thread would see the first bit of this message and
wonder what it referred to.


p

> 2012/1/27, Luciano Andress Martini <777user@gmail.com>:
>> its 64 bits? How can i increase the object heap?
>>
>>
>>
>> 2012/1/27, Pid <pid@pidster.com>:
>>> On 27/01/2012 16:29, Luciano Andress Martini wrote:
>>>> I need to know if the error is from my part (server administrator),
>>>> from the developer or from the hardware/vms. Some times that occurs
>>>> when processing two milion of registry (i am talking from expressocard
>>>> a company of credit cards).
>>>>
>>>> Its a rarely error because this processing occurs rarely.
>>>>
>>>> in fact, mysql in the another server with 12 processors, still
>>>> running, and tomcat in a virtual machine called adm (in another
>>>> physical machine, with 4 processors) still running.
>>>>
>>>> So, this errors occurs like that:
>>>>
>>>> 1- Tomcat started
>>>> 2- This processing is realized ok in the first time
>>>> 3- Tomcat stable in the users acess.
>>>> 4- The processing is realized again, some days later, inn 98% of
>>>> processing servers crashes, but mysql is still running.
>>>> 5- Restar of tomcat service tomcat6 restart
>>>> 6- the processing started again, and server can done the processing.
>>>>
>>>> In the moment of the crash:
>>>> jstat -class
>>>> Loaded  Bytes  Unloaded  Bytes     Time
>>>>
>>>>  15007 32265.0      300   505.9      12.11
>>>
>>> So permgen is using 32Mb
>>>
>>>> Java using: 914mb
>>>> Free memory on the virtual machine server: 2152
>>>>
>>>> Java says:
>>>> java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError:
>>>> Java heap space at
>>>> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:232) at
>>>> java.util.concurrent.FutureTask.get(FutureTask.java:91) at
>>>> wfr.rules.WFRRule.execute(WFRRule.java:1820) at
>>>> wfr.rules.WFRRule.execute(WFRRule.java:1792) at
>>>> wfr.web.actions.ExecuteRuleAction.execute(ExecuteRuleAction.java:198)
>>>> at wfr.web.Action.doAction(Action.java:126) at
>>>> wfr.web.Controller.process(Controller.java:100) at
>>>> wfr.web.Controller.doPost(Controller.java:67) at
>>>> javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at
>>>> javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at
>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>>>> at
>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>>> at wfr.web.ContextFilter.doFilter(ContextFilter.java:78) at
>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>>>> at
>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>>> at
>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>>>> at
>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>>>> at
>>>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:470)
>>>> at
>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>>>> at
>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>>>> at
>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>>>> at
>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
>>>> at
>>>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
>>>> at
>>>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
>>>> at
>>>> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
>>>> at java.lang.Thread.run(Thread.java:662) Caused by:
>>>> java.lang.OutOfMemoryError: Java heap space
>>>>
>>>> Java options (that i configurate)
>>>> -Djava.awt.headless=true
>>>> -Xmx512m
>>>> -XX:MaxPermSize=3512M
>>>
>>> Cripes!  3.5Gb of PermGen space?!  I really doubt you want that.
>>>
>>> So your JVM is using 900Mb, your object heap is 512Mb.
>>>
>>> If you have more memory available, why not assign more to the heap?
>>> How much memory is available?
>>>
>>> Are you using 32bit or 64bit?
>>>
>>>
>>> p
>>>
>>>> -XX:+CMSIncrementalMode
>>>> -XX:+UseConcMarkSweepGC
>>>> -XX:+CMSClassUnloadingEnabled
>>>> -XX:ParallelGCThreads=4
>>>> -XX:+UseParNewGC
>>>>
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>>>>
>>>
>>>
>>> --
>>>
>>> [key:62590808]
>>>
>>>
>>
> 
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