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Hadoop >> mail # dev >> How to set JVM arguments in Hadoop 0.23

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Re: How to set JVM arguments in Hadoop 0.23
Hi Shekhar,

For YARN, try setting YARN_OPTS inside the yarn-env.sh. YARN scripts
do not reuse the hadoop-env.sh like the rest of the components. The
yarn-env.sh must reside in the YARN_CONF_DIR directory.

Does this help?

On Wed, Sep 12, 2012 at 8:07 AM, Shekhar Gupta <[EMAIL PROTECTED]> wrote:
> I am trying to talk to R from Resource Manager. To do that I have to set a
> VM argument
> -Djava.library.path=/Library/Frameworks/R.framework/Resources/library/rJava/jri/
> I have tried to set this argument by adding following line in hadoop-env.sh
> export HADOOP_OPTS="-Djava.library.path=/Library/Frameworks/R.framework/Resources/library/rJava/jri/
> But this not working. When I run a job I get following exception
> Cannot find JRI native library!
> Please make sure that the JRI native library is in a directory listed
> in java.library.path.
> java.lang.UnsatisfiedLinkError: no jri in java.library.path
>         at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1758)
>         at java.lang.Runtime.loadLibrary0(Runtime.java:823)
>         at java.lang.System.loadLibrary(System.java:1045)
>         at org.rosuda.JRI.Rengine.<clinit>(Rengine.java:19)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.parcscheduler.parcscheduler.doneApplication(parcscheduler.java:454)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.parcscheduler.parcscheduler.handle(parcscheduler.java:927)
>         at org.apache.hadoop.yarn.server.resourcemanager.scheduler.parcscheduler.parcscheduler.handle(parcscheduler.java:1)
>         at org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$SchedulerEventDispatcher$EventProcessor.run(ResourceManager.java:327)
>         at java.lang.Thread.run(Thread.java:680)
> Can someone please tell me how to set this VM argument.
> Thanks in advance.

Harsh J