[jira] [Created] (MYRIAD-176) YARN_HOME value ignored in " $YARN_HOME/bin/yarn nodemanager"

["Zhongyue Luo (JIRA)" <ji...@apache.org>]

Zhongyue Luo created MYRIAD-176:
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             Summary: YARN_HOME value ignored in " $YARN_HOME/bin/yarn nodemanager"
                 Key: MYRIAD-176
                 URL: https://issues.apache.org/jira/browse/MYRIAD-176
             Project: Myriad
          Issue Type: Bug
          Components: Scheduler
            Reporter: Zhongyue Luo


Below is the stdout log from one of my node managers.

sudo tar -zxpf hadoop-2.5.0-cdh5.3.1.tar.gz && sudo chown yarn . && cp conf hadoop-2.5.0-cdh5.3.1/etc/hadoop/yarn-site.xml; export YARN_HOME=hadoop-2.5.0-cdh5.3.1; sudo -E -u yarn -H env JAVA_HOME=/usr/java/default YARN_HOME=hadoop-2.5.0-cdh5.3.1 YARN_NODEMANAGER_OPTS=-Dyarn.nodemanager.container-executor.class=org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor -Dnodemanager.resource.cpu-vcores=4 -Dnodemanager.resource.memory-mb=4096 -Dmyriad.yarn.nodemanager.address=0.0.0.0:31873 -Dmyriad.yarn.nodemanager.localizer.address=0.0.0.0:31142 -Dmyriad.yarn.nodemanager.webapp.address=0.0.0.0:31765 -Dmyriad.mapreduce.shuffle.port=31515  /bin/yarn nodemanager

at the end of the line, you can see that it is "31515  /bin/yarn nodemanager" where there are two spaces between '31515' and '/bin'.
This seems to happen due to the java code not recognizing the $YARN_HOME value in
https://github.com/apache/incubator-myriad/blob/master/myriad-scheduler/src/main/java/org/apache/myriad/scheduler/NMExecutorCLGenImpl.java#L65

causing an additional blank space in front of '/bin'. However all nodemanagers despite to run just fine. I've tested this with vanilla hadoop 2.5.0 and 2.7.0 and CDH 5.3.1 all cases showing same symptoms.



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