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
