Fan Yang created FLINK-31560:
--------------------------------
Summary: Issue deleting Flink cluster due to savepoint failing to
complete
Key: FLINK-31560
URL: https://issues.apache.org/jira/browse/FLINK-31560
Project: Flink
Issue Type: Bug
Components: Runtime / State Backends
Affects Versions: 1.16.0
Reporter: Fan Yang
Flink version: 1.16.0
We are using Flink to run some streaming applications with Pravega as external
system and also have `state.backend.incremental` enabled. Our applications
mainly use window and reduce transformations. When we try to delete the flink
cluster, we encounter issues with the savepoint failing to complete for the
job. But occasionally the job will get canceled suddenly. This happens most of
the time. On rare occasions, the job gets canceled suddenly with its savepoint
get completed successfully.
Savepointing shows below error:
{code:java}
2023-03-22 08:55:57,521 [jobmanager-io-thread-1] WARN
org.apache.flink.runtime.checkpoint.CheckpointFailureManager [] - Failed to
trigger or complete checkpoint 189 for job 7354442cd6f7c121249360680c04284d. (0
consecutive failed attempts so
far)org.apache.flink.runtime.checkpoint.CheckpointException: Failure to
finalize checkpoint. at
org.apache.flink.runtime.checkpoint.CheckpointCoordinator.finalizeCheckpoint(CheckpointCoordinator.java:1375)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.CheckpointCoordinator.completePendingCheckpoint(CheckpointCoordinator.java:1265)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.CheckpointCoordinator.receiveAcknowledgeMessage(CheckpointCoordinator.java:1157)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.scheduler.ExecutionGraphHandler.lambda$acknowledgeCheckpoint$1(ExecutionGraphHandler.java:89)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.scheduler.ExecutionGraphHandler.lambda$processCheckpointCoordinatorMessage$3(ExecutionGraphHandler.java:119)
~[flink-dist-1.16.0.jar:1.16.0] at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
[?:?] at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
[?:?] at java.lang.Thread.run(Thread.java:829) [?:?]Caused by:
java.io.IOException: Unknown implementation of StreamStateHandle: class
org.apache.flink.runtime.state.PlaceholderStreamStateHandle at
org.apache.flink.runtime.checkpoint.metadata.MetadataV2V3SerializerBase.serializeStreamStateHandle(MetadataV2V3SerializerBase.java:699)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.metadata.MetadataV2V3SerializerBase.serializeStreamStateHandleMap(MetadataV2V3SerializerBase.java:813)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.metadata.MetadataV2V3SerializerBase.serializeKeyedStateHandle(MetadataV2V3SerializerBase.java:344)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.metadata.MetadataV2V3SerializerBase.serializeKeyedStateCol(MetadataV2V3SerializerBase.java:269)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.metadata.MetadataV2V3SerializerBase.serializeSubtaskState(MetadataV2V3SerializerBase.java:262)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.metadata.MetadataV3Serializer.serializeSubtaskState(MetadataV3Serializer.java:142)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.metadata.MetadataV3Serializer.serializeOperatorState(MetadataV3Serializer.java:122)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.metadata.MetadataV2V3SerializerBase.serializeMetadata(MetadataV2V3SerializerBase.java:146)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.metadata.MetadataV3Serializer.serialize(MetadataV3Serializer.java:83)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.metadata.MetadataV4Serializer.serialize(MetadataV4Serializer.java:56)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.Checkpoints.storeCheckpointMetadata(Checkpoints.java:100)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.Checkpoints.storeCheckpointMetadata(Checkpoints.java:87)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.Checkpoints.storeCheckpointMetadata(Checkpoints.java:82)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.PendingCheckpoint.finalizeCheckpoint(PendingCheckpoint.java:333)
~[flink-dist-1.16.0.jar:1.16.0] at
org.apache.flink.runtime.checkpoint.CheckpointCoordinator.finalizeCheckpoint(CheckpointCoordinator.java:1361)
~[flink-dist-1.16.0.jar:1.16.0] ... 7 more {code}
Prior to Flink 1.16, we did not observe this error. Since
`PlaceholderStreamStateHandle` is used to indicate it's a reusable RocksDB data
for incremental checkpoint, we believe that the new improvements of incremental
checkpoint introduced in flink 1.16 release might be related to this issue.
We require assistance in investigating this issue and finding a solution.
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