Github user jerryshao commented on the pull request:
https://github.com/apache/spark/pull/9941#issuecomment-159558918
Hi @vanzin , from my test `YarnClusterSuite#run Spark in yarn-client mode`
is always failed, not sure if it is due to this issue?
From my observation, there're some errors which makes executor hang on
fetching the jar.
```
15/11/25 17:53:28 INFO Utils: Fetching
spark://192.168.0.103:62738/jars/sparkJar6708334146876177963.tmp to
/Users/sshao/projects/apache-spark/yarn/target/org.apache.spark.deploy.yarn.YarnClusterSuite/org.apache.spark.deploy.yarn.YarnClusterSuite-localDir-nm-0_0/usercache/sshao/appcache/application_1448445193660_0001/spark-67413de8-cbcb-49a9-b3a0-dad6490b8813/fetchFileTemp8901256177680826791.tmp
15/11/25 17:55:16 ERROR NettyRpcEnv: Error downloading stream
/jars/sparkJar6708334146876177963.tmp.
```
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