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https://issues.apache.org/jira/browse/FLINK-1922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Stephan Ewen closed FLINK-1922.
-------------------------------
> Failed task deployment causes NPE on input split assignment
> -----------------------------------------------------------
>
> Key: FLINK-1922
> URL: https://issues.apache.org/jira/browse/FLINK-1922
> Project: Flink
> Issue Type: Bug
> Components: JobManager
> Affects Versions: 0.9
> Reporter: Robert Metzger
> Assignee: Till Rohrmann
> Fix For: 0.9
>
>
> The input split assignment code is returning {null} if the Task has failed,
> which is causing a NPE.
> We should improve our error handling / reporting in that situation.
> {code}
> 13:12:31,002 INFO org.apache.flink.yarn.ApplicationMaster$$anonfun$2$$anon$1
> - Status of job c0b47ce41e9a85a628a628a3977705ef (Flink Java Job at Tue
> Apr 21 13:10:36 UTC 2015) changed to FAILING Cannot deploy task - TaskManager
> not responding..
> ....
> 13:12:47,591 ERROR org.apache.flink.runtime.operators.RegularPactTask
> - Error in task code: CHAIN DataSource (at userMethod
> (org.apache.flink.api.java.io.AvroInputFormat)) -> FlatMap (FlatMap at
> main(UserClass.java:111)) (20/50)
> java.lang.RuntimeException: Requesting the next InputSplit failed.
> at
> org.apache.flink.runtime.taskmanager.TaskInputSplitProvider.getNextInputSplit(TaskInputSplitProvider.java:88)
> at
> org.apache.flink.runtime.operators.DataSourceTask$1.hasNext(DataSourceTask.java:337)
> at
> org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:136)
> at
> org.apache.flink.runtime.execution.RuntimeEnvironment.run(RuntimeEnvironment.java:217)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: java.lang.NullPointerException
> at java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.java:106)
> at
> org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:301)
> at
> org.apache.flink.runtime.taskmanager.TaskInputSplitProvider.getNextInputSplit(TaskInputSplitProvider.java:83)
> ... 4 more
> 13:12:47,595 INFO org.apache.flink.runtime.taskmanager.Task
> - CHAIN DataSource (at SomeMethod
> (org.apache.flink.api.java.io.AvroInputFormat)) -> FlatMap (FlatMap at
> main(SomeClass.java:111)) (20/50) switched to FAILED :
> java.lang.RuntimeException: Requesting the next InputSplit failed.
> at
> org.apache.flink.runtime.taskmanager.TaskInputSplitProvider.getNextInputSplit(TaskInputSplitProvider.java:88)
> at
> org.apache.flink.runtime.operators.DataSourceTask$1.hasNext(DataSourceTask.java:337)
> at
> org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:136)
> at
> org.apache.flink.runtime.execution.RuntimeEnvironment.run(RuntimeEnvironment.java:217)
> at java.lang.Thread.run(Thread.java:744)
> Caused by: java.lang.NullPointerException
> at java.io.ByteArrayInputStream.<init>(ByteArrayInputStream.java:106)
> at
> org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:301)
> at
> org.apache.flink.runtime.taskmanager.TaskInputSplitProvider.getNextInputSplit(TaskInputSplitProvider.java:83)
> ... 4 more
> {code}
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