我有一个Spark作业，它一直用退出代码1返回，我无法理解这个特定的退出代码意味着什么，以及为什么应用程序用这个代码返回。这是我在节点管理器日志中看到的-
2017-07-10 07:54:03,839 WARN org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor: Exception from container-launch with container ID: container_1499673023544_0001_01_000001 and exit code: 1
ExitCodeException exitCode=1:
at org.apache.hadoop.util.Shell.runCommand(Shell.java:545)
at org.apache.hadoop.util.Shell.run(Shell.java:456)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:722)
at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:211)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: Exception from container-launch.
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: Container id: container_1499673023544_0001_01_000001
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: Exit code: 1
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: Stack trace: ExitCodeException exitCode=1:
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: at org.apache.hadoop.util.Shell.runCommand(Shell.java:545)
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: at org.apache.hadoop.util.Shell.run(Shell.java:456)
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:722)
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:211)
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: at java.util.concurrent.FutureTask.run(FutureTask.java:266)
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
2017-07-10 07:54:03,843 INFO org.apache.hadoop.yarn.server.nodemanager.ContainerExecutor: at java.lang.Thread.run(Thread.java:745)
2017-07-10 07:54:03,844 WARN org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch: Container exited with a non-zero exit code 1
2017-07-10 07:54:03,846 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.container.ContainerImpl: Container container_1499673023544_0001_01_000001 transitioned from RUNNING to EXITED_WITH_FAILURE
2017-07-10 07:54:03,846 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch: Cleaning up container container_1499673023544_0001_01_000001
当我检查特定应用程序（和容器）的日志时，它没有返回任何特定的堆栈跟踪或错误消息。当作业终止时，这就是我在容器日志（stderr）中看到的内容。
INFO impl.ContainerManagementProtocolProxy: Opening proxy : myplayground:52311
17/07/10 07:54:02 INFO yarn.ApplicationMaster$AMEndpoint: Driver terminated or disconnected! Shutting down. myplayground:36322
17/07/10 07:54:03 INFO cluster.YarnClusterSchedulerBackend: Registered executor: AkkaRpcEndpointRef(Actor[akka.tcp://sparkExecutor@myplayground:49562/user/Executor#509101946]) with ID 1
17/07/10 07:54:03 INFO cluster.YarnClusterSchedulerBackend: SchedulerBackend is ready for scheduling beginning after reached minRegisteredResourcesRatio: 0.8
17/07/10 07:54:03 INFO cluster.YarnClusterScheduler: YarnClusterScheduler.postStartHook done
17/07/10 07:54:03 ERROR yarn.ApplicationMaster: User application exited with status 1
17/07/10 07:54:03 INFO yarn.ApplicationMaster: Final app status: FAILED, exitCode: 1, (reason: User application exited with status 1)
17/07/10 07:54:03 INFO spark.SparkContext: Invoking stop() from shutdown hook
17/07/10 07:54:03 INFO handler.ContextHandler: stopped o.s.j.s.ServletContextHandler{/metrics/json,null}
17/07/10 07:54:03 INFO handler.ContextHandler: stopped o.s.j.s.ServletContextHandler{/stages/stage/kill,null}
17/07/10 07:54:03 INFO handler.ContextHandler: stopped o.s.j.s.ServletContextHandler{/api,null}
17/07/10 07:54:03 INFO handler.ContextHandler: stopped o.s.j.s.ServletContextHandler{/,null}
17/07/10 07:54:03 INFO handler.ContextHandler: stopped o.s.j.s.ServletContextHandler{/static,null}
17/07/10 07:54:03 INFO handler.ContextHandler: stopped o.s.j.s.ServletContextHandler{/executors/threadDump/json,null}
17/07/10 07:54:03 INFO handler.ContextHandler: stopped o.s.j.s.ServletContextHandler{/executors/threadDump,null}
17/07/10 07:54:03 INFO handler.ContextHandler: stopped o.s.j.s.ServletContextHandler{/executors/json,null}
17/07/10 07:54:03 INFO handler.ContextHandler: stopped o.s.j.s.ServletContextHandler{/executors,null}
17/07/10 07:54:03 INFO handler.ContextHandler: stopped o.s.j.s.ServletContextHandler{/environment/json,null}
17/07/10 07:54:03 INFO ui.SparkUI: Stopped Spark web UI at http://x.x.x.x:37961
17/07/10 07:54:03 INFO scheduler.DAGScheduler: Stopping DAGScheduler
17/07/10 07:54:03 INFO cluster.YarnClusterSchedulerBackend: Shutting down all executors
17/07/10 07:54:03 INFO cluster.YarnClusterSchedulerBackend: Asking each executor to shut down
17/07/10 07:54:03 INFO spark.MapOutputTrackerMasterEndpoint: MapOutputTrackerMasterEndpoint stopped!
17/07/10 07:54:03 INFO storage.MemoryStore: MemoryStore cleared
17/07/10 07:54:03 INFO storage.BlockManager: BlockManager stopped
17/07/10 07:54:03 INFO storage.BlockManagerMaster: BlockManagerMaster stopped
17/07/10 07:54:03 INFO scheduler.OutputCommitCoordinator$OutputCommitCoordinatorEndpoint: OutputCommitCoordinator stopped!
17/07/10 07:54:03 INFO spark.SparkContext: Successfully stopped SparkContext
17/07/10 07:54:03 INFO util.ShutdownHookManager: Shutdown hook called
17/07/10 07:54:03 INFO util.ShutdownHookManager: Deleting directory /tmp/Hadoop-hadoop/nm-local-dir/usercache/myprdusr/appcache/application_1499673023544_0001/spark-2adeda9f-9244-4519-b87f-ec895a50cfcd
17/07/10 07:54:03 INFO remote.RemoteActorRefProvider$RemotingTerminator: Shutting down remote daemon.
17/07/10 07:54:03 INFO remote.RemoteActorRefProvider$RemotingTerminator: Remote daemon shut down; proceeding with flushing remote transports.
所以，在这两个日志中，我只看到应用程序退出时的退出代码是1。有谁能告诉我这个特殊的错误代码意味着什么，以及纱抛出这个异常的可能原因吗？
最佳答案：
org.apache.spark.deploy.yarn.ApplicationMaster