[Building Sakai] ClientAbortException: java.net.SocketException: Broken pipe
Warwick Chapman
warwickchapman at gmail.com
Fri Nov 1 08:20:07 PDT 2013
Even if I increase the VM memory and swap to 8G each?
-- Warwick Bruce Chapman | +27 83 7797 094 | http://warwickchapman.com
On Fri, Nov 1, 2013 at 5:17 PM, Aaron Zeckoski <azeckoski at unicon.net> wrote:
> No, you need MaxPermSize and you will definitely run into using swap
> since your OS uses up memory as well. You better go with 2g and 512M
> for Xmx and MaxPerm for now and you can tune from there.
> -AZ
>
>
> On Fri, Nov 1, 2013 at 11:12 AM, Warwick Chapman
> <warwickchapman at gmail.com> wrote:
> > Aaron, if I set the VMs to 8G MEM and SWAP, will the following be OK:
> >
> > export JAVA_OPTS='-server -d64 -Xmx4g -Djava.awt.headless=true
> > -Dhttp.agent=Sakai'
> >
> > -- Warwick Bruce Chapman | +27 83 7797 094 | http://warwickchapman.com
> >
> >
> > On Fri, Nov 1, 2013 at 5:09 PM, Aaron Zeckoski <azeckoski at unicon.net>
> wrote:
> >>
> >> There is no magic number but you would definitely not want to exceed
> >> 3G for Xmx because if you allow the JVM to start using swap then it
> >> will die very quickly. Garbage collecting swap space causes the JVM to
> >> basically become unresponsive. 2G is probably safe assuming you don't
> >> have a ton of other things running on there. The key is to not set Xmx
> >> any higher than the amount of free ram you have (minus the MaxPerm).
> >>
> >> -AZ
> >>
> >> On Fri, Nov 1, 2013 at 11:03 AM, Warwick Chapman
> >> <warwickchapman at gmail.com> wrote:
> >> > Aaron, if my VM had 4096M memory and 4096 swap, what should Xmx be?
> >> >
> >> > -- Warwick Bruce Chapman | +27 83 7797 094 |
> http://warwickchapman.com
> >> >
> >> >
> >> > On Fri, Nov 1, 2013 at 1:30 PM, Aaron Zeckoski <azeckoski at unicon.net>
> >> > wrote:
> >> >>
> >> >> Looks like MaxPermSize is still in there and you will need to define
> >> >> Xmx or the JVM will use the default for that which is much too small.
> >> >>
> >> >> Also, be aware that the GC printing will slow things down a bit so
> you
> >> >> don't want to run live with that on. If you need GC stats then use a
> >> >> profiler or jstat to grab a quick snapshot of the memory situation
> >> >> every once in awhile.
> >> >>
> >> >> -AZ
> >> >>
> >> >>
> >> >> On Fri, Nov 1, 2013 at 7:21 AM, Warwick Chapman
> >> >> <warwickchapman at gmail.com> wrote:
> >> >> > Ok, so nothing serious then.
> >> >> >
> >> >> > On another, note, as per my previous thread this morning, you
> >> >> > previously
> >> >> > suggested a less specific set of JAVA_OPTS in order to allow the
> JVM
> >> >> > to
> >> >> > autotune (ergonomics). I have taken all but -XX:MaxPermSize=512m
> out
> >> >> > and am
> >> >> > giving it a bash. Is this ok?
> >> >> >
> >> >> > JAVA_OPTS='-server -d64 -XX:MaxPermSize=512m
> -Djava.awt.headless=true
> >> >> > -Dhttp.agent=Sakai -XX:+PrintGCDetails -XX:+PrintGCTimeStamps
> >> >> > -verbose:gc'
> >> >> >
> >> >> >
> >> >> > -- Warwick Bruce Chapman | +27 83 7797 094 |
> >> >> > http://warwickchapman.com
> >> >> >
> >> >> >
> >> >> > On Fri, Nov 1, 2013 at 1:06 PM, Aaron Zeckoski <
> azeckoski at unicon.net>
> >> >> > wrote:
> >> >> >>
> >> >> >> Warwick,
> >> >> >> This is typically what that error indicates:
> >> >> >>
> >> >> >>
> >> >> >>
> >> >> >>
> http://stackoverflow.com/questions/839314/clientabortexception-java-net-socketexception-connection-reset-by-peer-socket
> >> >> >>
> >> >> >> -AZ
> >> >> >>
> >> >> >>
> >> >> >> On Fri, Nov 1, 2013 at 6:55 AM, Warwick Chapman
> >> >> >> <warwickchapman at gmail.com> wrote:
> >> >> >> > Hi All
> >> >> >> >
> >> >> >> > Any idea what the following error is all about?
> >> >> >> >
> >> >> >> > 2013-11-01 12:51:49,585 WARN http-bio-8080-exec-17
> >> >> >> > org.sakaiproject.util.RequestFilter -
> >> >> >> > ClientAbortException: java.net.SocketException: Broken pipe
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:413)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:480)
> >> >> >> > at
> >> >> >> > org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:366)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:438)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:426)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:91)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.servlets.DefaultServlet.copy(DefaultServlet.java:1861)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.servlets.DefaultServlet.serveResource(DefaultServlet.java:961)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.servlets.DefaultServlet.doGet(DefaultServlet.java:411)
> >> >> >> > at
> >> >> >> > javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
> >> >> >> > at
> >> >> >> > javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:695)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
> >> >> >> > at java.lang.Thread.run(Thread.java:662)
> >> >> >> > Caused by: java.net.SocketException: Broken pipe
> >> >> >> > at java.net.SocketOutputStream.socketWrite0(Native
> Method)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
> >> >> >> > at
> >> >> >> > java.net.SocketOutputStream.write(SocketOutputStream.java:136)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:215)
> >> >> >> > at
> >> >> >> > org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:371)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:240)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:84)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.coyote.http11.AbstractOutputBuffer.doWrite(AbstractOutputBuffer.java:192)
> >> >> >> > at org.apache.coyote.Response.doWrite(Response.java:517)
> >> >> >> > at
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >
> org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:408)
> >> >> >> > ... 29 more
> >> >> >> >
> >> >> >> > -- Warwick Bruce Chapman | +27 83 7797 094 |
> >> >> >> > http://warwickchapman.com
> >> >> >> >
> >> >> >> > _______________________________________________
> >> >> >> > sakai-dev mailing list
> >> >> >> > sakai-dev at collab.sakaiproject.org
> >> >> >> > http://collab.sakaiproject.org/mailman/listinfo/sakai-dev
> >> >> >> >
> >> >> >> > TO UNSUBSCRIBE: send email to
> >> >> >> > sakai-dev-unsubscribe at collab.sakaiproject.org
> >> >> >> > with a subject of "unsubscribe"
> >> >> >>
> >> >> >>
> >> >> >>
> >> >> >> --
> >> >> >> Aaron Zeckoski - Software Architect -
> http://tinyurl.com/azprofile
> >> >> >
> >> >> >
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Aaron Zeckoski - Software Architect - http://tinyurl.com/azprofile
> >> >
> >> >
> >>
> >>
> >>
> >> --
> >> Aaron Zeckoski - Software Architect - http://tinyurl.com/azprofile
> >
> >
>
>
>
> --
> Aaron Zeckoski - Software Architect - http://tinyurl.com/azprofile
>
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