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https://issues.apache.org/jira/browse/YARN-8698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16589597#comment-16589597
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Zac Zhou commented on YARN-8698:
--------------------------------
Thanks a lot, [~leftnoteasy] :)
Hi [~tangzhankun], I think this issue is related to hadoop classpath.
The hadoop path of nodemanager is different from the one of docker.
launch_container.sh specifies HADOOP_COMMON_HOME to the path which doesn't
exists in the docker container.
run-PRIMARY_WORKER.sh failed to execute the command:
export CLASSPATH=`$HADOOP_HDFS_HOME/bin/hadoop classpath --glob`
so classpath can't generated correctly.
I validate this issue with the following step:
# move hadoop package to some path, like A.
# specify HADOOP_COMMON_HOME to some other path, like B, which is not hadoop
package location： export HADOOP_COMMON_HOME=B
# execute the command: ${A}/bin/hadoop classpath --glob
We will get the following error：
Error: Could not find or load main class org.apache.hadoop.util.Classpath
If any more info is needed， feel free to let me know~
Thanks
> [Submarine] Failed to add hadoop dependencies in docker container when
> submitting a submarine job
> -------------------------------------------------------------------------------------------------
>
> Key: YARN-8698
> URL: https://issues.apache.org/jira/browse/YARN-8698
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Zac Zhou
> Assignee: Zac Zhou
> Priority: Major
> Attachments: YARN-8698.001.patch
>
>
> When a standalone submarine tf job is submitted, the following error is got :
> INFO:tensorflow:image after unit resnet/tower_0/fully_connected/: (?, 11)
> INFO:tensorflow:Done calling model_fn.
> INFO:tensorflow:Create CheckpointSaverHook.
> hdfsBuilderConnect(forceNewInstance=0, nn=submarine, port=0,
> kerbTicketCachePath=(NULL), userNa
> me=(NULL)) error:
> (unable to get root cause for java.lang.NoClassDefFoundError)
> (unable to get stack trace for java.lang.NoClassDefFoundError)
> hdfsBuilderConnect(forceNewInstance=0, nn=submarine, port=0,
> kerbTicketCachePath=(NULL), userNa
> me=(NULL)) error:
> (unable to get root cause for java.lang.NoClassDefFoundError)
> (unable to get stack trace for java.lang.NoClassDefFoundError)
>
> This error may be related to hadoop classpath
> Hadoop env variables of launch_container.sh are as follows:
> export HADOOP_COMMON_HOME=${HADOOP_COMMON_HOME:-"/home/hadoop/yarn-submarine"}
> export HADOOP_HDFS_HOME=${HADOOP_HDFS_HOME:-"/home/hadoop/yarn-submarine"}
> export HADOOP_CONF_DIR=${HADOOP_CONF_DIR:-"/home/hadoop/yarn-submarine/conf"}
> export HADOOP_YARN_HOME=${HADOOP_YARN_HOME:-"/home/hadoop/yarn-submarine"}
> export HADOOP_HOME=${HADOOP_HOME:-"/home/hadoop/yarn-submarine"}
>
> run-PRIMARY_WORKER.sh is like:
> export HADOOP_YARN_HOME=
> export HADOOP_HDFS_HOME=/hadoop-3.1.0
> export HADOOP_CONF_DIR=$WORK_DIR
>
>
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