我帮你 cc 了对 runtime 更熟悉的 zhuzhu 同学。 Best, Kurt
On Mon, Mar 9, 2020 at 6:44 PM lucas.wu <[email protected]> wrote: > 没人回复大概是之前没人遇到过这种问题，所以下午看了flink的代码，终于有了点头绪。 > 原因分析： > 这个异常的原因就是在task出现异常之后，它需要调用updateTaskExecutionState(TaskExecutionState > taskExecutionState)这个rpc接口去通知flink jobmanager > > 去改变对应task的状态并且重启task。但是呢，taskExecutionState这个参数里面有个error属性，当我的的task打出来的错误栈太多的时候，在序列化的之后超过了 > rpc接口要求的最大数据大小（也就是maximum akka framesize），导致调用updateTaskExecutionState > 这个rpc接口失败，jobmanager无法获知这个task已经fail > > 的状态，也无法重启。这就导致了一系列连锁反应，其中一个就是我的checkpoint一直失败，原因就是我的task其实已经释放了，但是jobmanger无法感知。 > > 结论： > 这个算不算flink的一个bug，对于task已经失效，但是无法通知到jobmanger，导致该task一直无法重启。 > 原始邮件 > 发件人:[email protected] > 收件人:[email protected] > 发送时间:2020年3月9日(周一) 11:06 > 主题:flink 长时间运行后出现报错 > > > 大家好： 我的flink程序的主要功能是从kafka消费数据，简单处理后，通过jdbc > outputformat发往mysql，但是长时间运行后，报下面的错。请问是什么原因造成的，我增加参数就可以解决吗？ 2020-03-08 > 06:10:30,480 WARN org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler - > Could not create remote rpc invocation message. Failing rpc invocation > because... java.io.IOException: The rpc invocation size 34500577 exceeds > the maximum akka framesize. at > org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.createRpcInvocationMessage(AkkaInvocationHandler.java:271) > at > org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.invokeRpc(AkkaInvocationHandler.java:200) > at > org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.invoke(AkkaInvocationHandler.java:129) > at > org.apache.flink.runtime.rpc.akka.FencedAkkaInvocationHandler.invoke(FencedAkkaInvocationHandler.java:78) > at com.sun.proxy.$Proxy12.updateTaskExecutionState(Unknown Source) at > org.apache.flink.runtime.taskexecutor.TaskExecutor.updateTaskExecutionState(TaskExecutor.java:1428) > at > org.apache.flink.runtime.taskexecutor.TaskExecutor.unregisterTaskAndNotifyFinalState(TaskExecutor.java:1458) > at > org.apache.flink.runtime.taskexecutor.TaskExecutor.access$2200(TaskExecutor.java:154) > at > org.apache.flink.runtime.taskexecutor.TaskExecutor$TaskManagerActionsImpl.lambda$updateTaskExecutionState$1(TaskExecutor.java:1757) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRunAsync(AkkaRpcActor.java:397) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:190) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:152) > at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26) at > akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21) at > scala.PartialFunction$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:130) at > akka.actor.ActorCell.receiveMessage(ActorCell.scala:527) at > akka.actor.ActorCell.invoke(ActorCell.scala:496) at > akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) at > akka.dispatch.Mailbox.run(Mailbox.scala:224) at > akka.dispatch.Mailbox.exec(Mailbox.scala:234) at > akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) at > akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) at > akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > 2020-03-08 06:10:30,480 ERROR > org.apache.flink.runtime.rpc.akka.AkkaRpcActor - Caught exception while > executing runnable in main thread. > java.lang.reflect.UndeclaredThrowableException at > com.sun.proxy.$Proxy12.updateTaskExecutionState(Unknown Source) at > org.apache.flink.runtime.taskexecutor.TaskExecutor.updateTaskExecutionState(TaskExecutor.java:1428) > at > org.apache.flink.runtime.taskexecutor.TaskExecutor.unregisterTaskAndNotifyFinalState(TaskExecutor.java:1458) > at > org.apache.flink.runtime.taskexecutor.TaskExecutor.access$2200(TaskExecutor.java:154) > at > org.apache.flink.runtime.taskexecutor.TaskExecutor$TaskManagerActionsImpl.lambda$updateTaskExecutionState$1(TaskExecutor.java:1757) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRunAsync(AkkaRpcActor.java:397) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:190) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:152) > at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26) at > akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21) at > scala.PartialFunction$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:130) at > akka.actor.ActorCell.receiveMessage(ActorCell.scala:527) at > akka.actor.ActorCell.invoke(ActorCell.scala:496) at > akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) at > akka.dispatch.Mailbox.run(Mailbox.scala:224) at > akka.dispatch.Mailbox.exec(Mailbox.scala:234) 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: java.io.IOException: The rpc invocation size 34500577 exceeds > the maximum akka framesize. at > org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.createRpcInvocationMessage(AkkaInvocationHandler.java:271) > at > org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.invokeRpc(AkkaInvocationHandler.java:200) > at > org.apache.flink.runtime.rpc.akka.AkkaInvocationHandler.invoke(AkkaInvocationHandler.java:129) > at > org.apache.flink.runtime.rpc.akka.FencedAkkaInvocationHandler.invoke(FencedAkkaInvocationHandler.java:78) > ... 26 more
