Failed to rollback to checkpoint/savepoint hdfs://mycluster:8020/ck/sapgateway

Failed to rollback to checkpoint/savepoint hdfs://mycluster:8020/ck/sapgateway

job failed during initialization of JobManager
org.apache.flink.runtime.client.JobInitializationException: Could not start the JobMaster.
	at org.apache.flink.runtime.jobmaster.DefaultJobMasterServiceProcess.lambda$new$0(DefaultJobMasterServiceProcess.java:97)
	at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774)
	at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750)
	at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1609)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)
Caused by: java.util.concurrent.CompletionException: java.lang.IllegalStateException: Failed to rollback to checkpoint/savepoint hdfs://mycluster:8020/ck/sapgateway2/006ef2cdfa3fe9d1407fb857d531a5fb/chk-204. Cannot map checkpoint/savepoint state for operator 84bd33e4b1570c4e7e6286558b60a153 to the new program, because the operator is not available in the new program. If you want to allow to skip this, you can set the --allowNonRestoredState option on the CLI.
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273)
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280)
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1606)
	... 7 more
Caused by: java.lang.IllegalStateException: Failed to rollback to checkpoint/savepoint hdfs://mycluster:8020/ck/sapgateway2/006ef2cdfa3fe9d1407fb857d531a5fb/chk-204. Cannot map checkpoint/savepoint state for operator 84bd33e4b1570c4e7e6286558b60a153 to the new program, because the operator is not available in the new program. If you want to allow to skip this, you can set the --allowNonRestoredState option on the CLI.
	at org.apache.flink.runtime.checkpoint.Checkpoints.throwNonRestoredStateException(Checkpoints.java:230)
	at org.apache.flink.runtime.checkpoint.Checkpoints.loadAndValidateCheckpoint(Checkpoints.java:194)
	at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.restoreSavepoint(CheckpointCoordinator.java:1629)
	at org.apache.flink.runtime.scheduler.DefaultExecutionGraphFactory.tryRestoreExecutionGraphFromSavepoint(DefaultExecutionGraphFactory.java:163)
	at org.apache.flink.runtime.scheduler.DefaultExecutionGraphFactory.createAndRestoreExecutionGraph(DefaultExecutionGraphFactory.java:138)
	at org.apache.flink.runtime.scheduler.SchedulerBase.createAndRestoreExecutionGraph(SchedulerBase.java:342)
	at org.apache.flink.runtime.scheduler.SchedulerBase.<init>(SchedulerBase.java:190)
	at org.apache.flink.runtime.scheduler.DefaultScheduler.<init>(DefaultScheduler.java:122)
	at org.apache.flink.runtime.scheduler.DefaultSchedulerFactory.createInstance(DefaultSchedulerFactory.java:132)
	at org.apache.flink.runtime.jobmaster.DefaultSlotPoolServiceSchedulerFactory.createScheduler(DefaultSlotPoolServiceSchedulerFactory.java:110)
	at org.apache.flink.runtime.jobmaster.JobMaster.createScheduler(JobMaster.java:340)
	at org.apache.flink.runtime.jobmaster.JobMaster.<init>(JobMaster.java:317)
	at org.apache.flink.runtime.jobmaster.factories.DefaultJobMasterServiceFactory.internalCreateJobMasterService(DefaultJobMasterServiceFactory.java:107)
	at org.apache.flink.runtime.jobmaster.factories.DefaultJobMasterServiceFactory.lambda$createJobMasterService$0(DefaultJobMasterServiceFactory.java:95)
	at org.apache.flink.util.function.FunctionUtils.lambda$uncheckedSupplier$4(FunctionUtils.java:112)
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604)
	... 7 more

解決方法：需要加上-n參數

bin/flink run -d -t yarn-per-job -s hdfs://mycluster:8020/ck/sapgateway2/006ef2cdfa3fe9d1407fb857d531a5fb/chk-204  -n -c flink.FlinkCDC /home/sarah/FlinkcdcAPI-1.0-SNAPSHOT.jar