Flink CDC中从 savepoints恢复会报错，怎么办？

Flink CDC中从 savepoints恢复会报错，怎么办？2023-05-30 16:41:20,445 WARN org.apache.flink.streaming.api.operators.BackendRestorerProcedure [] - Exception while restoring keyed state backend for WindowOperator_19feeae3c9d523bf90e117e9861001a5_(3/20) from alternative (1/1), will retry while more alternatives are available.

org.apache.flink.runtime.state.BackendBuildingException: Failed when trying to restore heap backend

at org.apache.flink.runtime.state.heap.HeapKeyedStateBackendBuilder.restoreState(HeapKeyedStateBackendBuilder.java:177) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.runtime.state.heap.HeapKeyedStateBackendBuilder.build(HeapKeyedStateBackendBuilder.java:111) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.runtime.state.hashmap.HashMapStateBackend.createKeyedStateBackend(HashMapStateBackend.java:131) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.runtime.state.hashmap.HashMapStateBackend.createKeyedStateBackend(HashMapStateBackend.java:73) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.runtime.state.StateBackend.createKeyedStateBackend(StateBackend.java:136) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.lambda$keyedStatedBackend$1(StreamTaskStateInitializerImpl.java:328) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.api.operators.BackendRestorerProcedure.attemptCreateAndRestore(BackendRestorerProcedure.java:168) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.api.operators.BackendRestorerProcedure.createAndRestore(BackendRestorerProcedure.java:135) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.keyedStatedBackend(StreamTaskStateInitializerImpl.java:345) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.api.operators.StreamTaskStateInitializerImpl.streamOperatorStateContext(StreamTaskStateInitializerImpl.java:163) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:272) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.runtime.tasks.OperatorChain.initializeStateAndOpenOperators(OperatorChain.java:441) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.runtime.tasks.StreamTask.restoreGates(StreamTask.java:585) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.call(StreamTaskActionExecutor.java:55) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.runtime.tasks.StreamTask.executeRestore(StreamTask.java:565) ~[flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.runtime.tasks.StreamTask.runWithCleanUpOnFail(StreamTask.java:650) [flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.streaming.runtime.tasks.StreamTask.restore(StreamTask.java:540) [flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:759) [flink-dist_2.12-1.13.6.jar:1.13.6]

at org.apache.flink.runtime.taskmanager.Task.run(Task.java:566) [flink-dist_2.12-1.13.6.jar:1.13.6]

at java.lang.Thread.run(Thread.java:750) [?:1.8.0_322]

Caused by: com.esotericsoftware.kryo.KryoException: Unable to find class: 1@D