Hi 看日志是加载不到对应的class文件，(1)可以对比下你jar包里的路径是不是不正确,(2) 检查下集群上是不是还有之前的jar包，没替换干净
祝好 Leonard > 在 2021年5月7日，13:58，[email protected] 写道： > > 大家好，遇到一个问题： > 坏境：flink 版本1.12.1, k8s集群为session模式, 该集群之前可以将数据正常写入到mysql > 参考mysqlDialect 扩展了一个 > SqlServerDialect，替换了flink的lib包下的flink-connector-jdbc_2.11-1.12.1.jar，在on > yarn时 任务正常运行，flink-sql也可以将数据写入到sqlserver > 在同一台机器坏境 提交到k8s搭建的flink session模式集群， 就报如下错误 ， JdbcBatchingOutputFormat > 这个类加载不到？ > > 谢谢！ > > 完整异常如下： > org.apache.flink.runtime.JobException: Recovery is suppressed by > NoRestartBackoffTimeStrategy > at > org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:116) > at > org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:78) > at > org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:224) > at > org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:217) > at > org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:208) > at > org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:610) > at > org.apache.flink.runtime.scheduler.SchedulerNG.updateTaskExecutionState(SchedulerNG.java:89) > at > org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:419) > at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source) > 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:286) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:201) > at > org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:74) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:154) > at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26) > at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21) > at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123) > at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21) > at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170) > at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) > at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) > at akka.actor.Actor$class.aroundReceive(Actor.scala:517) > at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225) > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592) > at akka.actor.ActorCell.invoke(ActorCell.scala:561) > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258) > at akka.dispatch.Mailbox.run(Mailbox.scala:225) > at akka.dispatch.Mailbox.exec(Mailbox.scala:235) > at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > akka.dispatch.forkjoin.ForkJoinPool$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 load user class: > org.apache.flink.connector.jdbc.internal.JdbcBatchingOutputFormat > ClassLoader info: URL ClassLoader: > Class not resolvable through given classloader. > at > org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:322) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain.createOperator(OperatorChain.java:614) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain.createOperatorChain(OperatorChain.java:583) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain.createOutputCollector(OperatorChain.java:526) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain.createOperatorChain(OperatorChain.java:574) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain.createOutputCollector(OperatorChain.java:526) > at > org.apache.flink.streaming.runtime.tasks.OperatorChain.<init>(OperatorChain.java:164) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:485) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:531) > at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:547) > at java.lang.Thread.run(Thread.java:748) > Caused by: java.lang.ClassNotFoundException: > org.apache.flink.connector.jdbc.internal.JdbcBatchingOutputFormat > at java.net.URLClassLoader.findClass(URLClassLoader.java:382) > at java.lang.ClassLoader.loadClass(ClassLoader.java:418) > at > org.apache.flink.util.FlinkUserCodeClassLoader.loadClassWithoutExceptionHandling(FlinkUserCodeClassLoader.java:63) > at > org.apache.flink.util.ChildFirstClassLoader.loadClassWithoutExceptionHandling(ChildFirstClassLoader.java:63) > at > org.apache.flink.util.FlinkUserCodeClassLoader.loadClass(FlinkUserCodeClassLoader.java:49) > at java.lang.ClassLoader.loadClass(ClassLoader.java:351) > at > org.apache.flink.runtime.execution.librarycache.FlinkUserCodeClassLoaders$SafetyNetWrapperClassLoader.loadClass(FlinkUserCodeClassLoaders.java:168) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:348) > at > org.apache.flink.util.InstantiationUtil$ClassLoaderObjectInputStream.resolveClass(InstantiationUtil.java:78) > at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1986) > at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1850) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2160) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1667) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2405) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2329) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2187) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1667) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2405) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2329) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2187) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1667) > at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2405) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2329) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2187) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1667) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:503) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:461) > at > org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:576) > at > org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:562) > at > org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:550) > at > org.apache.flink.util.InstantiationUtil.readObjectFromConfig(InstantiationUtil.java:511) > at > org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(StreamConfig.java:310) > ... 11 more >
