Chesnay Schepler created FLINK-6690:
---------------------------------------
Summary: 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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