users@glassfish.java.net

Re: Possible memory leak

From: Ryan de Laplante <ryan_at_ijws.com>
Date: Wed, 24 Oct 2007 13:23:21 -0400

So you are saying that the stack trace I posted below is for certain
caused by the issue in this ticket, and not by my JCA connector? That's
a relief.


Thanks,
Ryan


Jeanfrancois Arcand wrote:
> Hi Ryan,
>
> yep:
>
> https://glassfish.dev.java.net/issues/show_bug.cgi?id=3683
>
> -- Jeanfrancois
>
> Ryan de Laplante wrote:
>> Last week we found that SJSAS 9.1 wasn't running anymore, but the
>> java.exe process on Windows 2003 Server was using almost 650 MB of
>> memory. In the log I found that it had run out of memory. I have
>> not had time to investigate if it is a leak in my own custom JCA
>> connector, or the app server yet. I will be looking into this in
>> more detail next week, but thought your team might be interested just
>> in case it is Glassfish.
>>
>> Below is the first exception in the log:
>>
>> [#|2007-10-14T13:22:34.916-0500|SEVERE|sun-appserver9.1|javax.enterprise.system.container.web|_ThreadID=986;_ThreadName=httpSSLWorkerThread-81-4;_RequestID=7a4db3a9-8ebc-494e-b13e-7dbaef4a7491;|StandardWrapperValve[Faces
>> Servlet]: PWC1406: Servlet.service() for servlet Faces Servlet threw
>> exception
>> java.lang.OutOfMemoryError: Java heap space
>> at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:39)
>> at java.nio.ByteBuffer.allocate(ByteBuffer.java:312)
>> at
>> com.sun.enterprise.web.connector.grizzly.SocketChannelOutputBuffer.realWriteBytes(SocketChannelOutputBuffer.java:130)
>>
>> at
>> org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:851)
>>
>> at
>> org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:149)
>>
>> at
>> org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:626)
>>
>> at org.apache.coyote.Response.doWrite(Response.java:599)
>> at
>> org.apache.coyote.tomcat5.OutputBuffer.realWriteBytes(OutputBuffer.java:404)
>>
>> at
>> org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:417)
>> at
>> org.apache.tomcat.util.buf.C2BConverter.convert(C2BConverter.java:118)
>> at
>> org.apache.tomcat.util.buf.C2BConverter.convert(C2BConverter.java:139)
>> at
>> org.apache.coyote.tomcat5.OutputBuffer.write(OutputBuffer.java:510)
>> at
>> org.apache.coyote.tomcat5.CoyoteWriter.write(CoyoteWriter.java:230)
>> at
>> org.apache.coyote.tomcat5.CoyoteWriter.write(CoyoteWriter.java:239)
>> at
>> com.sun.faces.application.ViewHandlerImpl$WriteBehindStateWriter.write(ViewHandlerImpl.java:834)
>>
>> at
>> com.sun.faces.renderkit.html_basic.HtmlResponseWriter.write(HtmlResponseWriter.java:495)
>>
>> at
>> com.sun.faces.renderkit.html_basic.TextRenderer.getEndTextToRender(TextRenderer.java:158)
>>
>> at
>> com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:204)
>>
>> at
>> javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:836)
>>
>> at javax.faces.component.UIComponent.encodeAll(UIComponent.java:896)
>> at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
>> at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
>> at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
>> at javax.faces.component.UIComponent.encodeAll(UIComponent.java:892)
>> at
>> com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHandlerImpl.java:245)
>>
>> at
>> com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:176)
>>
>> at
>> com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.renderView(ViewHandlerImpl.java:285)
>>
>> at
>> com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106)
>>
>> at
>> com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
>> at
>> com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144)
>> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:245)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411)
>>
>> |#]
>>
>> After that I see one of these every 5-10 minutes, which is from my
>> custom JCA connector:
>>
>> [#|2007-10-14T13:23:12.733-0500|SEVERE|sun-appserver9.1|javax.enterprise.resource.resourceadapter|_ThreadID=35;_ThreadName=Timer-6;_RequestID=ffbb88a8-2425-482a-a87b-d81ebca76dac;|RAR5038:Unexpected
>> exception while creating resource
>> javax.resource.ResourceException:
>>
>>
>> There are almost 100 connection pools set up for this connector.
>> They are configured to have minimum 1, max 15, resize count 1,
>> timeout 5 minutes.
>>
>>
>> Ryan
>>
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