Roman Khachatryan created FLINK-33442: -----------------------------------------
Summary: UnsupportedOperationException thrown from RocksDBIncrementalRestoreOperation Key: FLINK-33442 URL: https://issues.apache.org/jira/browse/FLINK-33442 Project: Flink Issue Type: Bug Components: Runtime / State Backends Affects Versions: 1.17.1 Reporter: Roman Khachatryan Assignee: Roman Khachatryan Fix For: 1.17.2 When using the new rescaling API, it's possible to get {code:java} 2023-10-31 18:25:05,179 ERROR org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackendBuilder [] - Caught unexpected exception. java.lang.UnsupportedOperationException: null at java.util.Collections$1.remove(Collections.java:4714) ~[?:?] at java.util.AbstractCollection.remove(AbstractCollection.java:299) ~[?:?] at org.apache.flink.runtime.checkpoint.StateObjectCollection.remove(StateObjectCollection.java:105) ~[flink-runtime-1.17.1-143.jar:1.17.1-143] at org.apache.flink.contrib.streaming.state.restore.RocksDBIncrementalRestoreOperation.restoreWithRescaling(RocksDBIncrementalRestoreOperation.java:294) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.contrib.streaming.state.restore.RocksDBIncrementalRestoreOperation.restore(RocksDBIncrementalRestoreOperation.java:167) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackendBuilder.build(RocksDBKeyedStateBackendBuilder.java:327) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.contrib.streaming.state.EmbeddedRocksDBStateBackend.createKeyedStateBackend(EmbeddedRocksDBStateBackend.java:512) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.contrib.streaming.state.EmbeddedRocksDBStateBackend.createKeyedStateBackend(EmbeddedRocksDBStateBackend.java:99) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.lambda$keyedStatedBackend$1(StreamTaskStateInitializerImpl.java:338) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.BackendRestorerProcedure.attemptCreateAndRestore(BackendRestorerProcedure.java:168) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:135) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.keyedStatedBackend(StreamTaskStateInitializerImpl.java:355) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:166) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:256) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.initializeStateAndOpenOperators(RegularOperatorChain.java:106) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.runtime.tasks.StreamTask.restoreGates(StreamTask.java:735) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.call(StreamTaskActionExecutor.java:55) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.runtime.tasks.StreamTask.restoreInternal(StreamTask.java:710) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.runtime.tasks.StreamTask.restore(StreamTask.java:676) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:952) [flink-runtime-1.17.1-143.jar:1.17.1-143] at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:921) [flink-runtime-1.17.1-143.jar:1.17.1-143] at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:745) [flink-runtime-1.17.1-143.jar:1.17.1-143] at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562) [flink-runtime-1.17.1-143.jar:1.17.1-143] at java.lang.Thread.run(Thread.java:829) [?:?] 2023-10-31 18:25:05,182 WARN org.apache.flink.streaming.api.operators.BackendRestorerProcedure [] - Exception while restoring keyed state backend for KeyedProcessOperator_353a6b34b8b7f1c1d0fb4616d911049c_(1/2) from alternative (1/2), will retry while more alternatives are available. org.apache.flink.runtime.state.BackendBuildingException: Caught unexpected exception. at org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackendBuilder.build(RocksDBKeyedStateBackendBuilder.java:407) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.contrib.streaming.state.EmbeddedRocksDBStateBackend.createKeyedStateBackend(EmbeddedRocksDBStateBackend.java:512) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.contrib.streaming.state.EmbeddedRocksDBStateBackend.createKeyedStateBackend(EmbeddedRocksDBStateBackend.java:99) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.lambda$keyedStatedBackend$1(StreamTaskStateInitializerImpl.java:338) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.BackendRestorerProcedure.attemptCreateAndRestore(BackendRestorerProcedure.java:168) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:135) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.keyedStatedBackend(StreamTaskStateInitializerImpl.java:355) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:166) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:256) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.initializeStateAndOpenOperators(RegularOperatorChain.java:106) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.runtime.tasks.StreamTask.restoreGates(StreamTask.java:735) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.call(StreamTaskActionExecutor.java:55) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.runtime.tasks.StreamTask.restoreInternal(StreamTask.java:710) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.streaming.runtime.tasks.StreamTask.restore(StreamTask.java:676) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:952) [flink-runtime-1.17.1-143.jar:1.17.1-143] at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:921) [flink-runtime-1.17.1-143.jar:1.17.1-143] at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:745) [flink-runtime-1.17.1-143.jar:1.17.1-143] at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562) [flink-runtime-1.17.1-143.jar:1.17.1-143] at java.lang.Thread.run(Thread.java:829) [?:?] Caused by: java.lang.UnsupportedOperationException at java.util.Collections$1.remove(Collections.java:4714) ~[?:?] at java.util.AbstractCollection.remove(AbstractCollection.java:299) ~[?:?] at org.apache.flink.runtime.checkpoint.StateObjectCollection.remove(StateObjectCollection.java:105) ~[flink-runtime-1.17.1-143.jar:1.17.1-143] at org.apache.flink.contrib.streaming.state.restore.RocksDBIncrementalRestoreOperation.restoreWithRescaling(RocksDBIncrementalRestoreOperation.java:294) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.contrib.streaming.state.restore.RocksDBIncrementalRestoreOperation.restore(RocksDBIncrementalRestoreOperation.java:167) ~[flink-dist-1.17.1-143.jar:1.17.1-143] at org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackendBuilder.build(RocksDBKeyedStateBackendBuilder.java:327) ~[flink-dist-1.17.1-143.jar:1.17.1-143] ... 18 more {code} presumably on upscaling. The job continues to recover (using the remote state). -- This message was sent by Atlassian Jira (v8.20.10#820010)