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https://issues.apache.org/jira/browse/HADOOP-8265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13250989#comment-13250989
]
John George commented on HADOOP-8265:
-------------------------------------
org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Error starting MRAppMaster
org.apache.hadoop.fs.viewfs.NotInMountpointException: getDefaultBlockSize on
empty path is invalid
at
org.apache.hadoop.fs.viewfs.ViewFileSystem.getDefaultBlockSize(ViewFileSystem.java:477)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.makeUberDecision(JobImpl.java:826)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.access$2600(JobImpl.java:113)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$InitTransition.transition(JobImpl.java:990)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$InitTransition.transition(JobImpl.java:933)
at
org.apache.hadoop.yarn.state.StateMachineFactory$MultipleInternalArc.doTransition(StateMachineFactory.java:380)
at
org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:298)
at
org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:43)
at
org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:443)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:663)
at
org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.handle(JobImpl.java:112)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster$JobEventDispatcher.handle(MRAppMaster.java:865)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.start(MRAppMaster.java:815)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster$1.run(MRAppMaster.java:1031)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
> MR over viewfs is broken
> ------------------------
>
> Key: HADOOP-8265
> URL: https://issues.apache.org/jira/browse/HADOOP-8265
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: John George
> Assignee: John George
>
> After the changes in HADOOP-8014 went in, MR programs using viewfs broke.
> This is because, viewfs now expects getDefaultBlockSize,
> getDefaultReplication, and getServerDefaults to pass in a {{path}} as an
> argument. In the existing MR source, these are called with no arguments.
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