Yarn application has already exited with state FINISHED!
如果在运行spark-sql时遇到如下这样的错误,可能是因为yarn-site.xml中的配置项yarn.nodemanager.vmem-pmem-ratio值偏小,它的默认值为2.1,可以尝试改大一点再试。 ERRORcluster.YarnClientSchedulerBackend:YarnapplicationhasalreadyexitedwithstateFINISHED! 16/10/1310:23:19ERRORclient.TransportClient:FailedtosendRPC7614640087981520382to/10.143.136.231:34800:java.nio.channels.ClosedChannelException java.nio.channels.ClosedChannelException 16/10/1310:23:19ERRORcluster.YarnSchedulerBackend$YarnSchedulerEndpoint:SendingRequestExecutors(0,0,Map())toAMwasunsuccessful java.io.IOException:FailedtosendRPC7614640087981520382to/10.143.136.231:34800:java.nio.channels.ClosedChannelException atorg.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:249) atorg.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:233) atio.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:680) atio.netty.util.concurrent.DefaultPromise$LateListeners.run(DefaultPromise.java:845) atio.netty.util.concurrent.DefaultPromise$LateListenerNotifier.run(DefaultPromise.java:873) atio.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357) atio.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357) atio.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111) atjava.lang.Thread.run(Thread.java:745)