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Out of memory exception

 
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hi,

i am facing following error on my webtop,

####<Nov 8, 2006 12:20:57 PM CST> <Emergency> <WebLogicServer> <MNGTEST124> <webtopAdmin> <ListenThread.Default> <<WLS Kernel>> <> <BEA-000210> <The WebLogic Server is no longer listening for connections.>

####<Nov 8, 2006 12:20:57 PM CST> <Error> <Kernel> <MNGTEST124> <webtopAdmin> <ExecuteThread: '4' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-000802> <ExecuteRequest failed

java.lang.OutOfMemoryError.
java.lang.OutOfMemoryError
>
####<Nov 8, 2006 12:20:57 PM CST> <Error> <Socket> <MNGTEST124> <webtopAdmin> <ExecuteThread: '3' for queue: 'weblogic.socket.Muxer'> <<WLS Kernel>> <> <BEA-000429> <Muxer received error: null

java.lang.OutOfMemoryError.
java.lang.OutOfMemoryError
>
####<Nov 8, 2006 12:19:15 PM CST> <Error> <Kernel> <MNGTEST124> <webtopAdmin> <ExecuteThread: '23' for queue: 'weblogic.kernel.Default'> <<WLS Kernel>> <> <BEA-000802> <ExecuteRequest failed

java.lang.OutOfMemoryError: mmAllocLargeArray(jniGetVMThread(env), (ClassP)c, (ObjectP*)res, len).
java.lang.OutOfMemoryError: mmAllocLargeArray(jniGetVMThread(env), (ClassP)c, (ObjectP*)res, len)
at java.nio.ByteBuffer.allocate(I)Ljava.nio.ByteBuffer;(Unknown Source)
at sun.nio.cs.StreamEncoder$CharsetSE.><init>(Ljava.io.OutputStream;Ljava
.lang.Object;Ljava.nio.charset.CharsetEncoder ;) V(StreamEncoder.java:310)

at sun.nio.cs.StreamEncoder$CharsetSE.<init>(Ljava.io.OutputStream;Ljava.lan
g.Object;Ljava.nio.charset.Charset ;) V(StreamEncoder.java:290)

at sun.nio.cs.StreamEncoder$CharsetSE.<init>(Ljava.io.OutputStream;Ljava.lan
g.Object;Ljava.nio.charset.Charset;Lsun.nio.cs.StreamEncoder$1 ;) V(StreamEncoder.
java:274)

at sun.nio.cs.StreamEncoder.forOutputStreamWriter(Ljava.io.OutputStream;Ljava.lang
.Object;Ljava.lang.String ;) Lsun.nio.cs.StreamEncoder;(StreamEncoder.java:69)

at java.io.OutputStreamWriter.<init>(Ljava.io.OutputStream ;) V(OutputStreamWr
iter.java:93)
at java.io.PrintStream.<init>(Ljava.io.OutputStream;Z)V(PrintStream.java:94)
at java.io.PrintStream.<init>(Ljava.io.OutputStream ;) V(PrintStream.java:56)
at weblogic.utils.StackTraceUtils.throwable2StackTrace(Ljava.lang.Throwable ;) Ljava
.lang.String;(StackTraceUtils.java:30)

at weblogic.logging.ConsoleFormatter.format(Ljava.util.logging.LogRecord ;) Ljava.la
ng.String;(ConsoleFormatter.java:85)

at java.util.logging.StreamHandler.publish(Ljava.util.logging.LogRecord ;) V(StreamH
andler.java:178)
at weblogic.logging.ConsoleHandler.publish(Ljava.util.logging.LogRecord ;) V(Console
Handler.java:107)
at java.util.logging.Logger.log(Ljava.util.logging.LogRecord ;) V(Unknown Source)
at weblogic.logging.MessageLogger.log(Ljava.lang.String;[Ljava.lang.Object;Ljava.l
ang.String ;) V(MessageLogger.java:92)

at weblogic.servlet.HTTPLogger.logException(Ljava.lang.String;Ljava.lang.Throwable
;) Ljava.lang.String;(HTTPLogger.java:501)

at weblogic.servlet.internal.WebAppServletContext.handleThrowableFromInvocation(Lj
ava.lang.Throwable;Lweblogic.servlet.internal.ServletRequestImpl;Lweblogic.servl
et.internal.ServletResponseImpl ;) V(WebAppServletContext.java:3724)

at weblogic.servlet.internal.WebAppServletContext.invokeServlet(Lweblogic.servlet.
internal.ServletRequestImpl;Lweblogic.servlet.internal.ServletResponseImpl ;) V(Op
timized Method)

at weblogic.servlet.internal.ServletRequestImpl.execute(Lweblogic.kernel.ExecuteTh
read ;) V(Optimized Method)
at weblogic.kernel.ExecuteThread.execute(Lweblogic.kernel.ExecuteRequest ;) V(Optimi
zed Method)
at weblogic.kernel.ExecuteThread.run()V(ExecuteThread.java:178)
at java.lang.Thread.startThreadFromVM(Ljava.lang.Thread ;) V(Unknown Source)
>
####<Nov 8, 2006 12:19:52 PM CST> <Error> <Kernel> <MNGTEST124> <webtopAdmin> <ExecuteThread: '21' for queue: 'weblogic.kernel.Default'> <<WLS Kernel>> <> <BEA-000802> <ExecuteRequest failed

java.lang.OutOfMemoryError.
java.lang.OutOfMemoryError
>
####<Nov 8, 2006 12:20:58 PM CST> <Error> <Socket> <MNGTEST124> <webtopAdmin> <ExecuteThread: '4' for queue: 'weblogic.socket.Muxer'> <<WLS Kernel>> <> <BEA-000429> <Muxer received error: null

java.lang.OutOfMemoryError.
java.lang.OutOfMemoryError
>
####<Nov 8, 2006 12:20:58 PM CST> <Error> <HTTP> <MNGTEST124> <webtopAdmin> <ExecuteThread: '19' for queue: 'weblogic.kernel.Default'> <<WLS Kernel>> <> <BEA-101020> <[ServletContext(id=49068091,name=webtop,context-path=/webtop)] Servlet failed with Exception

java.lang.OutOfMemoryError
>
####<Nov 8, 2006 12:20:58 PM CST> <Error> <Kernel> <MNGTEST124> <webtopAdmin> <ExecuteThread: '1' for queue: 'weblogic.admin.RMI'> <<WLS Kernel>> <> <BEA-000802> <ExecuteRequest failed

java.lang.OutOfMemoryError.
java.lang.OutOfMemoryError
>
####<Nov 8, 2006 12:20:08 PM CST> <Error> <Kernel> <MNGTEST124> <webtopAdmin> <ExecuteThread: '22' for queue: 'weblogic.kernel.Default'> <<WLS Kernel>> <> <BEA-000802> <ExecuteRequest failed

java.lang.OutOfMemoryError.
java.lang.OutOfMemoryError
>
####<Nov 8, 2006 12:20:11 PM CST> <Error> <Kernel> <MNGTEST124> <webtopAdmin> <ExecuteThread: '0' for queue: 'JMS.TimerTreePool'> <<WLS Kernel>> <> <BEA-000802> <ExecuteRequest failed

java.lang.OutOfMemoryError.
java.lang.OutOfMemoryError
>
####<Nov 8, 2006 12:20:13 PM CST> <Error> <Kernel> <MNGTEST124> <webtopAdmin> <ExecuteThread: '3' for queue: 'JMS.TimerClientPool'> <<WLS Kernel>> <> <BEA-000802> <ExecuteRequest failed

java.lang.OutOfMemoryError: mmAllocObject(jniGetVMThread(env), c, (ObjectP*)res).
java.lang.OutOfMemoryError: mmAllocObject(jniGetVMThread(env), c, (ObjectP*)res)
at java.lang.Object.clone0()Ljava.lang.Object;(Unknown Source)
at java.lang.Object.clone()Ljava.lang.Object;(Optimized Method)
at java.util.AbstractMap.clone()Ljava.lang.Object;(Optimized Method)
at java.util.HashMap.clone()Ljava.lang.Object;(Optimized Method)
at weblogic.jms.backend.BackEnd.scanEM()V(Optimized Method)
at weblogic.jms.backend.BackEnd$9.expireTimeout(Lweblogic.jms.backend.BETimerNode;
)V(Optimized Method)
at weblogic.jms.backend.BETimerNode.execute(Lweblogic.kernel.ExecuteThread ;) V(Opti
mized Method)
at weblogic.kernel.ExecuteThread.execute(Lweblogic.kernel.ExecuteRequest ;) V(Optimi
zed Method)
at weblogic.kernel.ExecuteThread.run()V(ExecuteThread.java:178)
at java.lang.Thread.startThreadFromVM(Ljava.lang.Thread ;) V(Unknown Source)
>
####<Nov 8, 2006 12:20:57 PM CST> <Error> <Kernel> <unknown> <unknown> <ExecuteThread: '20' for queue: 'weblogic.kernel.Default'> <null> <null> <BEA-000802> <ExecuteRequest failed

java.lang.OutOfMemoryError.
java.lang.OutOfMemoryError
>
####<Nov 8, 2006 12:20:58 PM CST> <Error> <HTTP Session> <MNGTEST124> <webtopAdmin> <ExecuteThread: '0' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-100026> <An unexpected error was raised in HTTP session timeout callback, while checking session expiration.

java.lang.OutOfMemoryError
>
####<Nov 8, 2006 12:20:17 PM CST> <Error> <Kernel> <MNGTEST124> <webtopAdmin> <ExecuteThread: '3' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-000802> <ExecuteRequest failed

java.lang.OutOfMemoryError.
java.lang.OutOfMemoryError
>

can anyone please tell me why am getting this error? and also how to solve it?

thanks
Ajay
 
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Out of memory could be because of various reasons.
Please refer
http://support.bea.com/application_content/product_portlets/support_patterns/wls/InvestigatingOutOfMemoryMemoryLeakProblemsPattern.html

for detailed explanation.

Let me know your environment details and memoery configurations Max and Min values
 
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