0.10.0 "Picked up _JAVA_OPTIONS: -Xmx..."

[Ed Donahue III]

Is there a way to suppress this error?  It stated happening with version 0.10.0, when I revert back to 0.9.0 it goes away.

I have some grep and groovy stuff that now breaking because this displays anytime mvn gets executed.

/bin/bash /tmp/hudson7923550142805012471.sh
Picked up _JAVA_OPTIONS: -Xmx256m

$ /home/jenkins/tools/hudson.tasks.Maven_MavenInstallation/maven-3.3.3/bin/mvn -DTICKET=T-1001 clean
Picked up _JAVA_OPTIONS: -Xmx256m
[INFO] Scanning for projects...

[Geoffroy Jabouley]

May be related to https://github.com/jenkinsci/mesos-plugin/pull/191

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[Carlos Sanchez]

It is not an error, it is just the jvm printing that message when the env var _JAVA_OPTIONS is set

http://stackoverflow.com/questions/11683715/suppressing-the-picked-up-java-options-message

The JDK9 doesn't print it

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[Geoffroy Jabouley]

Thanks

does it means that for each java process started inside a Mesos slave (maven for example), the content of _JAVA_OPTIONS is taken as parameter?

So if i create a Jenkins slave with 1024MB of RAM, then my maven build will automatically get a -Xmx1024m flag if i don't specify it on the command line?

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[Carlos Sanchez]

On Thu, Feb 18, 2016 at 10:22 AM, Geoffroy Jabouley <geoffroy...@gmail.com> wrote:

Thanks

does it means that for each java process started inside a Mesos slave (maven for example), the content of _JAVA_OPTIONS is taken as parameter?

not a parameter but an environment variable honored by the jvm

 

So if i create a Jenkins slave with 1024MB of RAM, then my maven build will automatically get a -Xmx1024m flag if i don't specify it on the command line?

not the full cgroups memory but the memory you set in the field "Executor memory" 

The total memory for the Mesos task or Docker container is derived from the following calculation: Jenkins Slave Memory in MB + (number of Executors in the slave * Jenkins Executor Memory in MB).