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Posted to issues@flink.apache.org by "Aljoscha Krettek (Jira)" <ji...@apache.org> on 2020/01/06 10:13:00 UTC
[jira] [Assigned] (FLINK-15406) The savepoint is writted by "State
Processor API" can't be restore by map or flatmap
[ https://issues.apache.org/jira/browse/FLINK-15406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aljoscha Krettek reassigned FLINK-15406:
----------------------------------------
Assignee: Seth Wiesman
> The savepoint is writted by "State Processor API" can't be restore by map or flatmap
> ------------------------------------------------------------------------------------
>
> Key: FLINK-15406
> URL: https://issues.apache.org/jira/browse/FLINK-15406
> Project: Flink
> Issue Type: Bug
> Components: API / State Processor
> Affects Versions: 1.9.1
> Reporter: Darcy Lin
> Assignee: Seth Wiesman
> Priority: Major
> Attachments: CountWord.java
>
>
> The savepoint is writted by "State Processor API" can't be restore by map or flatmap. But it can be retored by KeyedProcessFunction.
> Following is the error message:
> {code:java}
> java.lang.Exception: Could not write timer service of Flat Map -> Map -> Sink: device_first_user_create (1/8) to checkpoint state stream.java.lang.Exception: Could not write timer service of Flat Map -> Map -> Sink: device_first_user_create (1/8) to checkpoint state stream. at org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:466) at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.snapshotState(AbstractUdfStreamOperator.java:89) at org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:399) at org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.checkpointStreamOperator(StreamTask.java:1282) at org.apache.flink.streaming.runtime.tasks.StreamTask$CheckpointingOperation.executeCheckpointing(StreamTask.java:1216) at org.apache.flink.streaming.runtime.tasks.StreamTask.checkpointState(StreamTask.java:872) at org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:777) at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointOnBarrier(StreamTask.java:708) at org.apache.flink.streaming.runtime.io.CheckpointBarrierHandler.notifyCheckpoint(CheckpointBarrierHandler.java:88) at org.apache.flink.streaming.runtime.io.CheckpointBarrierAligner.processBarrier(CheckpointBarrierAligner.java:177) at org.apache.flink.streaming.runtime.io.CheckpointedInputGate.pollNext(CheckpointedInputGate.java:155) at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.pollNextNullable(StreamTaskNetworkInput.java:102) at org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.pollNextNullable(StreamTaskNetworkInput.java:47) at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:135) at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:279) at org.apache.flink.streaming.runtime.tasks.StreamTask.run(StreamTask.java:301) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:406) at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:705) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:530) at java.lang.Thread.run(Thread.java:748)Caused by: java.lang.NullPointerException at org.apache.flink.util.Preconditions.checkNotNull(Preconditions.java:58) at org.apache.flink.streaming.api.operators.InternalTimersSnapshot.<init>(InternalTimersSnapshot.java:52) at org.apache.flink.streaming.api.operators.InternalTimerServiceImpl.snapshotTimersForKeyGroup(InternalTimerServiceImpl.java:291) at org.apache.flink.streaming.api.operators.InternalTimerServiceSerializationProxy.write(InternalTimerServiceSerializationProxy.java:98) at org.apache.flink.streaming.api.operators.InternalTimeServiceManager.snapshotStateForKeyGroup(InternalTimeServiceManager.java:139) at org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:462) ... 19 more{code}
>
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