使用flinkcdc（mysql）查询mysql表报org.apache.flink.runtime.dispatcher.UnavailableDispatcherOperationException

[MrChenDong]

org.apache.flink.runtime.dispatcher.UnavailableDispatcherOperationException: Unable to get JobMasterGateway for initializing job. The requested operation is not available while the JobManager is initializing. at org.apache.flink.runtime.dispatcher.Dispatcher.getJobMasterGateway(Dispatcher.java:903) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at org.apache.flink.runtime.dispatcher.Dispatcher.performOperationOnJobMasterGateway(Dispatcher.java:913) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at org.apache.flink.runtime.dispatcher.Dispatcher.deliverCoordinationRequestToCoordinator(Dispatcher.java:704) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_181] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_181] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_181] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_181] at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:305) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:212) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:77) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:158) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.actor.Actor$class.aroundReceive(Actor.scala:517) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.actor.ActorCell.invoke(ActorCell.scala:561) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.dispatch.Mailbox.run(Mailbox.scala:225) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.dispatch.Mailbox.exec(Mailbox.scala:235) ~[flink-dist_2.11-1.13.6.jar:1.13.6] at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) [flink-dist_2.11-1.13.6.jar:1.13.6] at akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) [flink-dist_2.11-1.13.6.jar:1.13.6] at akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) [flink-dist_2.11-1.13.6.jar:1.13.6] at akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) [flink-dist_2.11-1.13.6.jar:1.13.6]