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From Zoltán Zvara (JIRA) <j...@apache.org>
Subject [jira] [Created] (FLINK-1914) Wrong FS while starting YARN session without correct HADOOP_HOME
Date Mon, 20 Apr 2015 14:06:59 GMT
Zoltán Zvara created FLINK-1914:
-----------------------------------

             Summary: Wrong FS while starting YARN session without correct HADOOP_HOME
                 Key: FLINK-1914
                 URL: https://issues.apache.org/jira/browse/FLINK-1914
             Project: Flink
          Issue Type: Bug
          Components: YARN Client
            Reporter: Zoltán Zvara
            Priority: Trivial


When YARN session invoked ({{yarn-session.sh}}) without a correct {{HADOOP_HOME}} (AM still
deployed to - for example to {{0.0.0.0:8032}}), but the deployed AM fails with an {{IllegalArgumentException}}:

{code}
java.lang.IllegalArgumentException: Wrong FS: file:/home/.../flink-dist-0.9-SNAPSHOT.jar,
expected: hdfs://localhost:9000
	at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:642)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getPathName(DistributedFileSystem.java:181)
	at org.apache.hadoop.hdfs.DistributedFileSystem.access$000(DistributedFileSystem.java:92)
	at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1106)
	at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1102)
	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1102)
	at org.apache.flink.yarn.Utils.registerLocalResource(Utils.java:105)
	at org.apache.flink.yarn.ApplicationMasterActor$$anonfun$org$apache$flink$yarn$ApplicationMasterActor$$startYarnSession$2.apply(ApplicationMasterActor.scala:436)
	at org.apache.flink.yarn.ApplicationMasterActor$$anonfun$org$apache$flink$yarn$ApplicationMasterActor$$startYarnSession$2.apply(ApplicationMasterActor.scala:371)
	at scala.util.Try$.apply(Try.scala:161)
	at org.apache.flink.yarn.ApplicationMasterActor$class.org$apache$flink$yarn$ApplicationMasterActor$$startYarnSession(ApplicationMasterActor.scala:371)
	at org.apache.flink.yarn.ApplicationMasterActor$$anonfun$receiveYarnMessages$1.applyOrElse(ApplicationMasterActor.scala:155)
	at scala.PartialFunction$OrElse.apply(PartialFunction.scala:162)
	at org.apache.flink.runtime.ActorLogMessages$$anon$1.apply(ActorLogMessages.scala:37)
	at org.apache.flink.runtime.ActorLogMessages$$anon$1.apply(ActorLogMessages.scala:30)
	at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:118)
	at org.apache.flink.runtime.ActorLogMessages$$anon$1.applyOrElse(ActorLogMessages.scala:30)
	at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
	at org.apache.flink.runtime.jobmanager.JobManager.aroundReceive(JobManager.scala:94)
{code}

IMO this {{IllegalArgumentException}} should get handled in {{org.apache.flink.yarn.Utils.registerLocalResource}}
or on an upper level to provide a better error message. This needs to be looked up from YARN
logs at the moment, which is painful to a trivial mistake like missing {{HADOOP_HOME}}.



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