报错：Flink cannot assign instance of org.apache.commons.collections.map.LinkedMap to field

报错：Flink cannot assign instance of org.apache.commons.collections.map.LinkedMap to field

报错背景

运行Flink jar包时出现报错。

报错现象

SLF4J: Class path contains multiple SLF4J bindings.SLF4J: Found binding in [jar:file:/msun/software/flink-1.13.6/lib/log4j-slf4j-impl-2.17.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]SLF4J: Found binding in [jar:file:/msun/software/hadoop-3.2.3/share/hadoop/common/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]SLF4J: See for an explanation.SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]Job has been submitted with JobID 93c733c2d0c1be65d2c7355e38dd4da8------------------------------------------------------------ The program finished with the following exception:org.apache.flink.client.program.ProgramInvocationException: The main method caused an error: org.apache.flink.client.program.ProgramInvocationException: Job failed (JobID: 93c733c2d0c1be65d2c7355e38dd4da8) at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:372) at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:222) at org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:114) at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:812) at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:246) at org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1054) at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1132) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1762) at org.apache.flink.runtime.security.contexts.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41) at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1132)Caused by: java.util.concurrent.ExecutionException: org.apache.flink.client.program.ProgramInvocationException: Job failed (JobID: 93c733c2d0c1be65d2c7355e38dd4da8) at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357) at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908) at org.apache.flink.client.program.StreamContextEnvironment.getJobExecutionResult(StreamContextEnvironment.java:123) at org.apache.flink.client.program.StreamContextEnvironment.execute(StreamContextEnvironment.java:80) at org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.execute(StreamExecutionEnvironment.java:1833) at com.msun.bigdata.job.FlinkConsumerKafkaToMongJob.main(FlinkConsumerKafkaToMongJob.java:40) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:355) ... 11 moreCaused by: org.apache.flink.client.program.ProgramInvocationException: Job failed (JobID: 93c733c2d0c1be65d2c7355e38dd4da8) at org.apache.flink.client.deployment.ClusterClientJobClientAdapter.lambda$null$6(ClusterClientJobClientAdapter.java:125) at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:616) at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:591) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975) at org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOperationWithDelay$9(FutureUtils.java:394) at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774) at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975) at org.apache.flink.client.program.rest.RestClusterClient.lambda$pollResourceAsync$24(RestClusterClient.java:670) at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774) at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1975) at org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOperationWithDelay$9(FutureUtils.java:394) at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774) at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture.postFire(CompletableFuture.java:575) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:943) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:750)Caused by: org.apache.flink.runtime.client.JobExecutionException: Job execution failed. at org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult(JobResult.java:144) at org.apache.flink.client.deployment.ClusterClientJobClientAdapter.lambda$null$6(ClusterClientJobClientAdapter.java:123) ... 24 moreCaused by: org.apache.flink.runtime.JobException: Recovery is suppressed by NoRestartBackoffTimeStrategy at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:138) at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:82) at org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:216) at org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:206) at org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:197) at org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:682) at org.apache.flink.runtime.scheduler.SchedulerNG.updateTaskExecutionState(SchedulerNG.java:79) at org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:435) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:305) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:212) at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:77) at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:158) at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26) at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21) at scala.PartialFunction.applyOrElse(PartialFunction.scala:123) at scala.PartialFunction.applyOrElse$(PartialFunction.scala:122) at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21) at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172) at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:172) at akka.actor.Actor.aroundReceive(Actor.scala:517) at akka.actor.Actor.aroundReceive$(Actor.scala:515) at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225) at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592) at akka.actor.ActorCell.invoke(ActorCell.scala:561) at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258) at akka.dispatch.Mailbox.run(Mailbox.scala:225) at akka.dispatch.Mailbox.exec(Mailbox.scala:235) at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)Caused by: org.apache.flink.streaming.runtime.tasks.StreamTaskException: Cannot instantiate user function. at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:338) at org.apache.flink.streaming.runtime.tasks.OperatorChain.(OperatorChain.java:159) at org.apache.flink.streaming.runtime.tasks.StreamTask.executeRestore(StreamTask.java:551) at org.apache.flink.streaming.runtime.tasks.StreamTask.runWithCleanUpOnFail(StreamTask.java:650) at org.apache.flink.streaming.runtime.tasks.StreamTask.restore(StreamTask.java:540) at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:759) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:566) at java.lang.Thread.run(Thread.java:750)Caused by: java.lang.ClassCastException: cannot assign instance of org.apache.commons.collections.map.LinkedMap to field org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.pendingOffsetsToCommit of type org.apache.commons.collections.map.LinkedMap in instance of org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2302) at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1432) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2460) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2378) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2236) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1692) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2454) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2378) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2236) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1692) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2454) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2378) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2236) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1692) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:508) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:466) at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:615) at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:600) at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:587) at org.apache.flink.util.InstantiationUtil.readObjectFromConfig(InstantiationUtil.java:541) at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:322) ... 7 more

报错原因

略。

报错解决

在 flink-conf.yaml 配置文件内添加如下配置，并重启服务。

classloader.resolve-order: parent-first

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