在YARN接受后，MapReduce Jobs失败了

即使是简单的WordCount mapreduce也会因同样的错误而失败 .

Hadoop 2.6.0

以下是纱线日志 .

在资源协商期间似乎发生了某种超时 .
但我无法验证相同，究竟是什么导致超时 .

2016-11-11 15：38：09,313 INFO org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher：启动appattempt_1478856936677

000002时出错 . 异常：java.io.IOException：本地异常失败：java.io.IOException：java.net.SocketTimeoutException：等待通道准备好读取时超时60000毫秒 . ch：java.nio.channels.SocketChannel [connected local = / 10.0.37.145：49054 remote = platform-demo / 10.0.37.145：60487];主机详细信息：本地主机为：“platform-demo / 10.0.37.145”;目标主机是：“platform-demo”：60487; org.apache.hadoop.net.NetUtils.wrapException（NetUtils.java:772）org.apache.hadoop.ipc.Client.call（Client.java:1472）atg.apache.hadoop.ipc.Client.call （Client.java:1399）org.apache.hadoop.ipc.ProtobufRpcEngine $ Invoker.invoke（ProtobufRpcEngine.java:232）at com.sun.proxy . $ Proxy79.startContainers（Unknown Source）at org.apache.hadoop . 在org.apache的org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher.launch（AMLauncher.java:119）的yarn.api.impl.pb.client.ContainerManagementProtocolPBClientImpl.startContainers（ContainerManagementProtocolPBClientImpl.java:96） . hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher.run（AMLauncher.java:254）at java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1145）at java.util.concurrent.ThreadPoolExecutor $ Worker.run（ ThreadPoolExecutor.java:615）at java.lang.Thread.run（Thread.java:745）引起：java.io.IOException：java.net.SocketTimeoutException：60000毫秒超时，等待通道准备好阅读 . ch：java.nio.channels.SocketChannel [connected local = / 10.0.37.145：49054 remote = platform-demo / 10.0.37.145：60487] org.apache.hadoop.ipc.Client $ Connection $ 1.run（Client.java ：680）at java.security.AccessController.doPrivileged（Native Method）at javax.security.auth.Subject.doAs（Subject.java:415）at org.apache.hadoop.security.UserGroupInformation.doAs（UserGroupInformation.java:1628） ）org.apache.hadoop.ipc.Client $ Connection.handleSaslConnectionFailure（Client.java:643）org.apache.hadoop.ipc.Client $ Connection.setupIOstreams（Client.java:730）org.apache.hadoop . ipc.Client $ Connection.access $ 2800（Client.java:368）org.apache.hadoop.ipc.Client.getConnection（Client.java:1521）atg.apache.hadoop.ipc.Client.call（Client.java） ：1438）... 9更多引起：java.net.SocketTimeoutException：等待通道准备好读取时60000毫秒超时 . ch：java.nio.channels.SocketChannel [connected local = / 10.0.37.145：49054 remote = platform-demo / 10.0.37.145：60487] org.apache.hadoop.net.SocketIOWithTimeout.doIO（SocketIOWithTimeout.java:164） atg.apache.hadoop.net.SocketInputStream.read（SocketInputStream.java:161）atg.ap.apache.hadoop.net.SocketInputStream.read（SocketInputStream.java:131）at java.io.FilterInputStream.read（FilterInputStream.java） ：133）at java.io.BufferedInputStream.fill（BufferedInputStream.java：235）at java.io.BufferedInputStream.read（BufferedInputStream.java:254）at java.io.DataInputStream.readInt（DataInputStream.java:387）at org .apache.hadoop.security.SaslRpcClient.saslConnect（SaslRpcClient.java:367）org.apache.hadoop.ipc.Client $ Connection.setupSaslConnection（Client.java:553）org.apache.hadoop.ipc.Client $ Connection .access $ 1800（Client.java:368）org.apache.hadoop.ipc.Client $ Connection $ 2.run（Client.java:722）at org.apache.hadoop.ipc.Client $ Connection $ 2.run（Client . java：718）在java.security.AccessController.doP在org.apache.hadoop.ipc的org.apache.hadoop.security.UserGroupInformation.doAs（UserGroupInformation.java:1628）的javax.security.auth.Subject.doAs（Subject.java:415）上的rivileged（Native Method） . 客户端$ Connection.setupIOstreams（Client.java:717）... 12更多2016-11-11 15：38：09,319 INFO org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl：更新应用程序尝试appattempt_1478856936677

000002最终状态：FAILED，退出状态：-1000 2016-11-11 15：38：09,319 INFO org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl：appattempt_1478856936677

000002状态从ALLOCATED更改为FINAL_SAVING

我试图更改以下属性

yarn.nodemanager.resource.memory-mb 2200物理内存量，以MB为单位可以分配给容器 . yarn.scheduler.minimum-allocation-mb 500 dfs.datanode.socket.write.timeout 3000000 dfs.socket.timeout 3000000