kring created FLINK-13159:
-----------------------------
Summary: java.lang.ClassNotFoundException when restore job
Key: FLINK-13159
URL: https://issues.apache.org/jira/browse/FLINK-13159
Project: Flink
Issue Type: Bug
Reporter: kring
{code:java}
//代码占位符
{code}
java.lang.Exception: Exception while creating StreamOperatorStateContext. at
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:195)
at
org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:250)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:738)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:289)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:711) at
java.lang.Thread.run(Thread.java:748) Caused by:
org.apache.flink.util.FlinkException: Could not restore keyed state backend for
WindowOperator_b398b3dd4c544ddf2d47a0cc47d332f4_(1/6) from any of the 1 prov
ided restore options. at
org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:135)
at
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.keyedStatedBackend(StreamTaskStateInitializerImpl.java:307)
at
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:135)
... 5 common frames omitted Caused by:
org.apache.flink.runtime.state.BackendBuildingException: Failed when trying to
restore heap backend at
org.apache.flink.runtime.state.heap.HeapKeyedStateBackendBuilder.build(HeapKeyedStateBackendBuilder.java:130)
at
org.apache.flink.runtime.state.filesystem.FsStateBackend.createKeyedStateBackend(FsStateBackend.java:489)
at
org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.lambda$keyedStatedBackend$1(StreamTaskStateInitializerImpl.java:291)
at
org.apache.flink.streaming.api.operators.BackendRestorerProcedure.attemptCreateAndRestore(BackendRestorerProcedure.java:142)
at
org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:121)
... 7 common frames omitted Caused by: java.lang.RuntimeException: Cannot
instantiate class. at
org.apache.flink.api.java.typeutils.runtime.PojoSerializer.deserialize(PojoSerializer.java:384)
at
org.apache.flink.runtime.state.heap.StateTableByKeyGroupReaders.lambda$createV2PlusReader$0(StateTableByKeyGroupReaders.java:74)
at
org.apache.flink.runtime.state.KeyGroupPartitioner$PartitioningResultKeyGroupReader.readMappingsInKeyGroup(KeyGroupPartitioner.java:297)
at
org.apache.flink.runtime.state.heap.HeapRestoreOperation.readKeyGroupStateData(HeapRestoreOperation.java:290)
at
org.apache.flink.runtime.state.heap.HeapRestoreOperation.readStateHandleStateData(HeapRestoreOperation.java:251)
at
org.apache.flink.runtime.state.heap.HeapRestoreOperation.restore(HeapRestoreOperation.java:153)
at
org.apache.flink.runtime.state.heap.HeapKeyedStateBackendBuilder.build(HeapKeyedStateBackendBuilder.java:127)
... 11 common frames omitted Caused by: java.lang.ClassNotFoundException: xxx
at java.lang.Class.forName0(Native Method) at
java.lang.Class.forName(Class.java:348) at
org.apache.flink.api.java.typeutils.runtime.PojoSerializer.deserialize(PojoSerializer.java:382)
... 17 common frames omitted
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