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https://issues.apache.org/jira/browse/FLINK-23886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17895223#comment-17895223
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Eaugene Thomas commented on FLINK-23886:
----------------------------------------
Faced this issue . Running in flink 1.18
{code:java}
Caused by: org.apache.flink.util.FlinkRuntimeException: Error while
deserializing the element.
at
org.apache.flink.contrib.streaming.state.RocksDBCachingPriorityQueueSet.deserializeElement(RocksDBCachingPriorityQueueSet.java:375)
at
org.apache.flink.contrib.streaming.state.RocksDBCachingPriorityQueueSet.peek(RocksDBCachingPriorityQueueSet.java:142)
at
org.apache.flink.contrib.streaming.state.RocksDBCachingPriorityQueueSet.peek(RocksDBCachingPriorityQueueSet.java:59)
at
org.apache.flink.runtime.state.heap.KeyGroupPartitionedPriorityQueue$InternalPriorityQueueComparator.comparePriority(KeyGroupPartitionedPriorityQueue.java:284)
at
org.apache.flink.runtime.state.heap.KeyGroupPartitionedPriorityQueue$InternalPriorityQueueComparator.comparePriority(KeyGroupPartitionedPriorityQueue.java:271)
at
org.apache.flink.runtime.state.heap.HeapPriorityQueue.isElementPriorityLessThen(HeapPriorityQueue.java:161)
at
org.apache.flink.runtime.state.heap.HeapPriorityQueue.siftUp(HeapPriorityQueue.java:118)
at
org.apache.flink.runtime.state.heap.HeapPriorityQueue.addInternal(HeapPriorityQueue.java:82)
at
org.apache.flink.runtime.state.heap.AbstractHeapPriorityQueue.add(AbstractHeapPriorityQueue.java:71)
at
org.apache.flink.runtime.state.heap.KeyGroupPartitionedPriorityQueue.<init>(KeyGroupPartitionedPriorityQueue.java:93)
at
org.apache.flink.contrib.streaming.state.RocksDBPriorityQueueSetFactory.create(RocksDBPriorityQueueSetFactory.java:124)
at
org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend.create(RocksDBKeyedStateBackend.java:517)
at
org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend.create(RocksDBKeyedStateBackend.java:504)
at
org.apache.flink.streaming.api.operators.InternalTimeServiceManagerImpl.createTimerPriorityQueue(InternalTimeServiceManagerImpl.java:183)
at
org.apache.flink.streaming.api.operators.InternalTimeServiceManagerImpl.registerOrGetTimerService(InternalTimeServiceManagerImpl.java:166)
at
org.apache.flink.streaming.api.operators.InternalTimeServiceManagerImpl.getInternalTimerService(InternalTimeServiceManagerImpl.java:144)
at
org.apache.flink.streaming.api.operators.AbstractStreamOperator.getInternalTimerService(AbstractStreamOperator.java:596)
at
org.apache.flink.streaming.runtime.operators.windowing.WindowOperator.open(WindowOperator.java:216)
at
org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.initializeStateAndOpenOperators(RegularOperatorChain.java:107)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.restoreGates(StreamTask.java:753)
at
org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.call(StreamTaskActionExecutor.java:55)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.restoreInternal(StreamTask.java:728)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.restore(StreamTask.java:693)
at
org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:953)
at
org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:922)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:746)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562)
at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.io.EOFException: null
at
org.apache.flink.core.memory.DataInputDeserializer.readLong(DataInputDeserializer.java:233)
at
org.apache.flink.streaming.api.windowing.windows.TimeWindow$Serializer.deserialize(TimeWindow.java:167)
at
org.apache.flink.streaming.api.windowing.windows.TimeWindow$Serializer.deserialize(TimeWindow.java:130)
at
org.apache.flink.streaming.api.operators.TimerSerializer.deserialize(TimerSerializer.java:158)
at
org.apache.flink.streaming.api.operators.TimerSerializer.deserialize(TimerSerializer.java:39)
at
org.apache.flink.contrib.streaming.state.RocksDBCachingPriorityQueueSet.deserializeElement(RocksDBCachingPriorityQueueSet.java:373)
... 27 common frames omitted {code}
> An exception is thrown out when recover job timers from checkpoint file
> -----------------------------------------------------------------------
>
> Key: FLINK-23886
> URL: https://issues.apache.org/jira/browse/FLINK-23886
> Project: Flink
> Issue Type: Bug
> Components: Runtime / State Backends
> Affects Versions: 1.10.0, 1.11.3, 1.13.2, 1.13.5, 1.14.4
> Reporter: Jing Zhang
> Assignee: Yuan Mei
> Priority: Major
> Attachments: image-2021-08-25-16-38-04-023.png,
> image-2021-08-25-16-38-12-308.png, image-2021-08-25-17-06-29-806.png,
> image-2021-08-25-17-07-38-327.png, image-2024-07-08-16-55-53-243.png,
> segment-drop-corrupted-timer-state.diff
>
>
> A user report the bug in the [mailist.
> |http://mail-archives.apache.org/mod_mbox/flink-user/202108.mbox/%3ccakmsf43j14nkjmgjuy4dh5qn2vbjtw4tfh4pmmuyvcvfhgf...@mail.gmail.com%3E]I
> paste the content here.
> Setup Specifics:
> Version: 1.6.2
> RocksDB Map State
> Timers stored in rocksdb
>
> When we have this job running for long periods of time like > 30 days, if
> for some reason the job restarts, we encounter "Error while deserializing the
> element". Is this a known issue fixed in later versions? I see some changes
> to code for FLINK-10175, but we don't use any queryable state
>
> Below is the stack trace
>
> org.apache.flink.util.FlinkRuntimeException: Error while deserializing the
> element.
> at
> org.apache.flink.contrib.streaming.state.RocksDBCachingPriorityQueueSet.deserializeElement(RocksDBCachingPriorityQueueSet.java:389)
> at
> org.apache.flink.contrib.streaming.state.RocksDBCachingPriorityQueueSet.peek(RocksDBCachingPriorityQueueSet.java:146)
> at
> org.apache.flink.contrib.streaming.state.RocksDBCachingPriorityQueueSet.peek(RocksDBCachingPriorityQueueSet.java:56)
> at
> org.apache.flink.runtime.state.heap.KeyGroupPartitionedPriorityQueue$InternalPriorityQueueComparator.comparePriority(KeyGroupPartitionedPriorityQueue.java:274)
> at
> org.apache.flink.runtime.state.heap.KeyGroupPartitionedPriorityQueue$InternalPriorityQueueComparator.comparePriority(KeyGroupPartitionedPriorityQueue.java:261)
> at
> org.apache.flink.runtime.state.heap.HeapPriorityQueue.isElementPriorityLessThen(HeapPriorityQueue.java:164)
> at
> org.apache.flink.runtime.state.heap.HeapPriorityQueue.siftUp(HeapPriorityQueue.java:121)
> at
> org.apache.flink.runtime.state.heap.HeapPriorityQueue.addInternal(HeapPriorityQueue.java:85)
> at
> org.apache.flink.runtime.state.heap.AbstractHeapPriorityQueue.add(AbstractHeapPriorityQueue.java:73)
> at
> org.apache.flink.runtime.state.heap.KeyGroupPartitionedPriorityQueue.<init>(KeyGroupPartitionedPriorityQueue.java:89)
> at
> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend$RocksDBPriorityQueueSetFactory.create(RocksDBKeyedStateBackend.java:2792)
> at
> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend.create(RocksDBKeyedStateBackend.java:450)
> at
> org.apache.flink.streaming.api.operators.InternalTimeServiceManager.createTimerPriorityQueue(InternalTimeServiceManager.java:121)
> at
> org.apache.flink.streaming.api.operators.InternalTimeServiceManager.registerOrGetTimerService(InternalTimeServiceManager.java:106)
> at
> org.apache.flink.streaming.api.operators.InternalTimeServiceManager.getInternalTimerService(InternalTimeServiceManager.java:87)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.getInternalTimerService(AbstractStreamOperator.java:764)
> at
> org.apache.flink.streaming.api.operators.KeyedProcessOperator.open(KeyedProcessOperator.java:61)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:424)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:290)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:711)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.io.EOFException
> at java.io.DataInputStream.readUnsignedByte(DataInputStream.java:290)
> at org.apache.flink.types.StringValue.readString(StringValue.java:769)
> at
> org.apache.flink.api.common.typeutils.base.StringSerializer.deserialize(StringSerializer.java:69)
> at
> org.apache.flink.api.common.typeutils.base.StringSerializer.deserialize(StringSerializer.java:28)
> at
> org.apache.flink.api.java.typeutils.runtime.RowSerializer.deserialize(RowSerializer.java:179)
> at
> org.apache.flink.api.java.typeutils.runtime.RowSerializer.deserialize(RowSerializer.java:46)
> at
> org.apache.flink.streaming.api.operators.TimerSerializer.deserialize(TimerSerializer.java:168)
> at
> org.apache.flink.streaming.api.operators.TimerSerializer.deserialize(TimerSerializer.java:45)
> at
> org.apache.flink.contrib.streaming.state.RocksDBCachingPriorityQueueSet.deserializeElement(RocksDBCachingPriorityQueueSet.java:387)
> ... 20 more
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