i haven't got a chance to look at the client end but when i log on to tomcat
manager / status, i see a jsp that has been running for a long time with S (
service) as stage.
thanks
dan
Alan Chaney <[EMAIL PROTECTED]> wrote: What exactly do you mean by 'never
stops serving' - do you mean that the
page GET never completes? The browser just hangs at that page? Or that
you have observed a stream of data.
Regards
Alan Chaney
daniel steel wrote:
> all,
> We are running tomcat 6.0.14 (jdk 1.6.03) on Windows server with NIO
> connector. After some time, one of the thread starts using 50% of the cpu
> and that thread never stops serving.I was able to match the thread id from
> process explorer with nid of jstack thread dump and this is the jstack
> thread dump taken at different intervals. any ideas on whats hapeping will
> be helpful.
>
> thanks
> dan
>
> dump 1 at 0 mintues
>
> http-8080-exec-5" daemon prio=6 tid=0x308d2400 nid=0x167c runnable
> [0x323ef000..0x323efb18]
> java.lang.Thread.State: RUNNABLE
> at
> org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:794)
> at
> org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:126)
> at
> org.apache.coyote.http11.filters.GzipOutputFilter$FakeOutputStream.write(GzipOutputFilter.java:164)
> at java.util.zip.GZIPOutputStream.finish(GZIPOutputStream.java:95)
> at
> org.apache.coyote.http11.filters.GzipOutputFilter.end(GzipOutputFilter.java:122)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.endRequest(InternalNioOutputBuffer.java:396)
> at
> org.apache.coyote.http11.Http11NioProcessor.action(Http11NioProcessor.java:1080)
> at org.apache.coyote.Response.action(Response.java:183)
> at org.apache.coyote.Response.finish(Response.java:305)
> at
> org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:276)
> at
> org.apache.catalina.connector.Response.finishResponse(Response.java:486)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:287)
> at
> org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:887)
> at
> org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:696)
> at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2009)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
>
>
> dump 2 at 5 minutes
>
> "http-8080-exec-5" daemon prio=6 tid=0x308d2400 nid=0x167c runnable
> [0x323ef000..0x323efb18]
> java.lang.Thread.State: RUNNABLE
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:612)
> - locked <0x178afd28> (a
> org.apache.coyote.http11.InternalNioOutputBuffer)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:44)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:794)
> at
> org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:126)
> at
> org.apache.coyote.http11.filters.GzipOutputFilter$FakeOutputStream.write(GzipOutputFilter.java:164)
> at java.util.zip.GZIPOutputStream.finish(GZIPOutputStream.java:95)
> at
> org.apache.coyote.http11.filters.GzipOutputFilter.end(GzipOutputFilter.java:122)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.endRequest(InternalNioOutputBuffer.java:396)
> at
> org.apache.coyote.http11.Http11NioProcessor.action(Http11NioProcessor.java:1080)
> at org.apache.coyote.Response.action(Response.java:183)
> at org.apache.coyote.Response.finish(Response.java:305)
> at
> org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:276)
> at
> org.apache.catalina.connector.Response.finishResponse(Response.java:486)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:287)
> at
> org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:887)
> at
> org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:696)
> at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2009)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
>
> dump 3 at 10 minutes
>
> "http-8080-exec-5" daemon prio=6 tid=0x308d2400 nid=0x167c runnable
> [0x323ef000..0x323efb18]
> java.lang.Thread.State: RUNNABLE
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.addToBB(InternalNioOutputBuffer.java:612)
> - locked <0x178afd28> (a
> org.apache.coyote.http11.InternalNioOutputBuffer)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.access$000(InternalNioOutputBuffer.java:44)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer$SocketOutputBuffer.doWrite(InternalNioOutputBuffer.java:794)
> at
> org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:126)
> at
> org.apache.coyote.http11.filters.GzipOutputFilter$FakeOutputStream.write(GzipOutputFilter.java:164)
> at java.util.zip.GZIPOutputStream.finish(GZIPOutputStream.java:95)
> at
> org.apache.coyote.http11.filters.GzipOutputFilter.end(GzipOutputFilter.java:122)
> at
> org.apache.coyote.http11.InternalNioOutputBuffer.endRequest(InternalNioOutputBuffer.java:396)
> at
> org.apache.coyote.http11.Http11NioProcessor.action(Http11NioProcessor.java:1080)
> at org.apache.coyote.Response.action(Response.java:183)
> at org.apache.coyote.Response.finish(Response.java:305)
> at
> org.apache.catalina.connector.OutputBuffer.close(OutputBuffer.java:276)
> at
> org.apache.catalina.connector.Response.finishResponse(Response.java:486)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:287)
> at
> org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:887)
> at
> org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:696)
> at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2009)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
>
> ---------------------------------
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