Github user liuyuzhong commented on the issue: https://github.com/apache/flink/pull/2452 Test Result (失败) ``` org.apache.flink.api.scala.runtime.taskmanager.TaskManagerFailsITCase.The JobManager should detect a failing task manager org.apache.flink.api.scala.runtime.taskmanager.TaskManagerFailsITCase.The JobManager should handle gracefully failing task manager org.apache.flink.api.scala.runtime.taskmanager.TaskManagerFailsITCase.The JobManager should handle hard failing task manager org.apache.flink.api.scala.runtime.taskmanager.TaskManagerFailsITCase.The JobManager should go into a clean state in case of a TaskManager failure org.apache.flink.test.cancelling.MapCancelingITCase.testSlowMapCancelling org.apache.flink.test.cancelling.MapCancelingITCase.testMapCancelling org.apache.flink.test.cancelling.MapCancelingITCase.testMapPriorToFirstRecordReading org.apache.flink.test.cancelling.MapCancelingITCase.testMapWithLongCancellingResponse org.apache.flink.test.checkpointing.CoStreamCheckpointingITCase.org.apache.flink.test.checkpointing.CoStreamCheckpointingITCase org.apache.flink.test.checkpointing.EventTimeAllWindowCheckpointingITCase.org.apache.flink.test.checkpointing.EventTimeAllWindowCheckpointingITCase org.apache.flink.test.checkpointing.SavepointITCase.testTriggerSavepointAndResume org.apache.flink.test.checkpointing.SavepointITCase.testCheckpointsRemovedWithJobManagerBackendOnShutdown org.apache.flink.test.classloading.ClassLoaderITCase.testDisposeSavepointWithCustomKvState org.apache.flink.test.exampleScalaPrograms.WordCountITCase.testJobWithoutObjectReuse org.apache.flink.test.exampleScalaPrograms.WordCountITCase.testJobWithObjectReuse org.apache.flink.test.failingPrograms.JobSubmissionFailsITCase.org.apache.flink.test.failingPrograms.JobSubmissionFailsITCase org.apache.flink.test.recovery.TaskManagerProcessFailureBatchRecoveryITCase.testTaskManagerProcessFailure[0] org.apache.flink.test.web.WebFrontendITCase.org.apache.flink.test.web.WebFrontendITCase ```
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