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From Felipe Jaekel <fkjae...@gmail.com>
Subject Re: 7.0.1 leak?
Date Thu, 25 Aug 2016 18:58:37 GMT
Thanks for the tips, I'm now able to use visualvm remotely.

I inspected some head dumps with MAT and found two leaks related to the
Amazon SDK...





2016-07-22 12:13 GMT-03:00 Steve Goldsmith <sgjava@gmail.com>:

> Oh and -Dcom.sun.management.jmxremote.authenticate=false, I authenticate
> with mine, so I missed this for yours.
>
> On Fri, Jul 22, 2016 at 11:07 AM, Steve Goldsmith <sgjava@gmail.com>
> wrote:
>
> > You can use one port by doing the following (no random port to mess with
> > firewall):
> >
> > TOMEE/conf/server.xml
> >
> > <Listener
> > className="org.apache.catalina.mbeans.JmxRemoteLifecycleListener"
> > rmiRegistryPortPlatform="8104" rmiServerPortPlatform="8104"/>
> >
> > Download catalina-jmx-remote.jar for version of Tomcat you are running
> > (You'll see version when you go to root page in TomEE or catalina.out).
> You
> > can download from http://tomcat.apache.org/download-80.cgi. Drop this in
> > TOMEE/lib.
> >
> > In TOMEE/bin/catalina.sh
> >
> > export CATALINA_OPTS="-Xmx1000m -Dfile.encoding=UTF-8
> > -Djava.awt.headless=true -Djava.rmi.server.hostname=your.host.name
> > -Dcom.sun.management.jmxremote.ssl=false"
> >
> >
> > On Fri, Jul 22, 2016 at 10:35 AM, Felipe Jaekel <fkjaekel@gmail.com>
> > wrote:
> >
> >> Hi,
> >>
> >> I added the the heap dump args, next time JVM crashes I'll try MAT.
> >>
> >> I ran VisualVM with 7.0.1 and 7.0.2 locally
> >> 7.0.1 had 1655 org.apache.openejb.Logger instantes (39720 bytes)
> >> 7.0.2 had 54 org.apache.openejb.Logger instantes (1296 bytes)
> >>
> >> I'd like to run VisualVM remotely, but I was not able to connect. I
> opened
> >> ports 1099 and 9090 on the firewall and added export
> >> CATALINA_OPTS="-Dcom.sun.management.jmxremote
> >> -Dcom.sun.management.jmxremote.port=9090
> >> -Dcom.sun.management.jmxremote.ssl=false
> >> -Dcom.sun.management.jmxremote.authenticate=false
> >> -Djava.rmi.server.hostname=localhost" to setenv.sh (also tried with
> >> JAVA_OPTS)
> >>
> >> Do I need additional config?
> >>
> >> Thanks
> >>
> >> 2016-07-21 11:07 GMT-03:00 Steve Goldsmith <sgjava@gmail.com>:
> >>
> >> > You need to set up JMX and use jvisualvm to grab a heap dump. Or add
> JVM
> >> > args -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath to have one
> >> created
> >> > when you run out of memory next time.‚Äč Analyzing the heap dump is the
> >> only
> >> > true way to find the leak. Also, have a look at MAT
> >> > http://www.eclipse.org/mat
> >> >
> >>
> >
> >
> >
> > --
> > Steven P. Goldsmith
> >
>
>
>
> --
> Steven P. Goldsmith
>

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