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From "Ufuk Celebi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4000) Exception: Could not restore checkpointed state to operators and functions; during Job Restart (Job restart is triggered due to one of the task manager failure)
Date Wed, 01 Jun 2016 09:29:59 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15310007#comment-15310007
] 

Ufuk Celebi commented on FLINK-4000:
------------------------------------

Thanks for reporting the issue. Did you configure a specific state backend or are you using
the default one?

> Exception: Could not restore checkpointed state to operators and functions;  during Job
Restart (Job restart is triggered due to one of the task manager failure)
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-4000
>                 URL: https://issues.apache.org/jira/browse/FLINK-4000
>             Project: Flink
>          Issue Type: Bug
>          Components: DataStream API
>    Affects Versions: 1.0.3
>         Environment: //Fault Tolerance Configuration of the Job
> env.enableCheckpointing(5000);     env.getCheckpointConfig().setCheckpointingMode(CheckpointingMode.EXACTLY_ONCE);
> env.getCheckpointConfig().setMaxConcurrentCheckpoints(1);
> env.setRestartStrategy(RestartStrategies.fixedDelayRestart( 3,10000));
>            Reporter: Aride Chettali
>
> java.lang.Exception: Could not restore checkpointed state to operators and functions
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.restoreState(StreamTask.java:457)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:209)
> 	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:559)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.Exception: Failed to restore state to function: null
> 	at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.restoreState(AbstractUdfStreamOperator.java:168)
> 	at org.apache.flink.streaming.runtime.tasks.StreamTask.restoreState(StreamTask.java:449)
> 	... 3 more
> Caused by: java.lang.NullPointerException
> 	at org.apache.flink.streaming.api.functions.source.MessageAcknowledgingSourceBase.restoreState(MessageAcknowledgingSourceBase.java:184)
> 	at org.apache.flink.streaming.api.functions.source.MessageAcknowledgingSourceBase.restoreState(MessageAcknowledgingSourceBase.java:80)
> 	at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.restoreState(AbstractUdfStreamOperator.java:165)
> 	... 4 more



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