[jira] [Closed] (FLINK-6690) Rescaling broken

["Stefan Richter (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-6690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Richter closed FLINK-6690.
---------------------------------
    Resolution: Fixed

fixed in 36830adace

> Rescaling broken
> ----------------
>
>                 Key: FLINK-6690
>                 URL: https://issues.apache.org/jira/browse/FLINK-6690
>             Project: Flink
>          Issue Type: Bug
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.3.0, 1.4.0
>            Reporter: Chesnay Schepler
>            Assignee: Stefan Richter
>            Priority: Blocker
>
> Rescaling appears to be broken for both 1.3 and 1.4. WHen i tried it out i got the following exception:
> {code}
> java.lang.IllegalStateException: Could not initialize keyed state backend.       at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initKeyedState(AbstractStreamOperator.java:321)       at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:217)       at org.apache.flink.streaming.runtime.tasks.StreamTask.initializeOperators(StreamTask.java:675)       at org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:662)       at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:251)       at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702)       at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0       at java.util.ArrayList.rangeCheck(ArrayList.java:635)       at java.util.ArrayList.get(ArrayList.java:411)       at org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend$RocksDBFullRestoreOperation.restoreKVStateData(RocksDBKeyedStateBackend.java:1183)       at org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend$RocksDBFullRestoreOperation.restoreKeyGroupsInStateHandle(RocksDBKeyedStateBackend.java:1089)       at org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend$RocksDBFullRestoreOperation.doRestore(RocksDBKeyedStateBackend.java:1070)       at org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend.restore(RocksDBKeyedStateBackend.java:957)       at org.apache.flink.streaming.runtime.tasks.StreamTask.createKeyedStateBackend(StreamTask.java:771)       at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initKeyedState(AbstractStreamOperator.java:311)       ... 6 more
> {code}



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