• nodemanager启动失败


    yarn启动报错:

    2016-11-16 16:12:44,304 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping NodeManager metrics system...
    2016-11-16 16:12:44,304 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NodeManager metrics system stopped.
    2016-11-16 16:12:44,304 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NodeManager metrics system shutdown complete.
    2016-11-16 16:12:44,305 FATAL org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting NodeManager
    org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.net.ConnectException: Call From node02/172.16.145.112 to 0.0.0.0:8031 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
            at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.serviceStart(NodeStatusUpdaterImpl.java:198)
            at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
            at org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:120)
            at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceStart(NodeManager.java:264)
            at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
            at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:463)
            at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:509)
    Caused by: java.net.ConnectException: Call From node02/172.16.145.112 to 0.0.0.0:8031 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
            at sun.reflect.GeneratedConstructorAccessor7.newInstance(Unknown Source)
            at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
            at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
            at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:783)
            at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:730)
            at org.apache.hadoop.ipc.Client.call(Client.java:1415)
            at org.apache.hadoop.ipc.Client.call(Client.java:1364)
            at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
            at com.sun.proxy.$Proxy27.registerNodeManager(Unknown Source)
            at org.apache.hadoop.yarn.server.api.impl.pb.client.ResourceTrackerPBClientImpl.registerNodeManager(ResourceTrackerPBClientImpl.java:68)
            at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
            at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.lang.reflect.Method.invoke(Method.java:606)
            at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
            at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
            at com.sun.proxy.$Proxy28.registerNodeManager(Unknown Source)
            at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.registerWithRM(NodeStatusUpdaterImpl.java:258)
            at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.serviceStart(NodeStatusUpdaterImpl.java:192)
            ... 6 more
    Caused by: java.net.ConnectException: Connection refused
            at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
            at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
            at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
            at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:529)
            at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:493)
            at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:606)
            at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:700)
    

    错误原因:8031端口是yarn.resourcemanager.resource-tracker.address的默认端口,yarn-site中没有配置这个的地址,nodemanager会默认去连接

    0.0.0.0:8031

         yarn.resourcemanager.resource-tracker.address

      参数解释:ResourceManager 对NodeManager暴露的地址.。NodeManager通过该地址向RM汇报心跳,领取任务等。

      默认值:${yarn.resourcemanager.hostname}:8031

    解决办法:修改yarn-site.xml 增加如下设置

    <property>
    <name>yarn.resourcemanager.resource-tracker.address.rm1</name>
    <value>node04:8031</value>
    </property>
    <property>
    <name>yarn.resourcemanager.resource-tracker.address.rm2</name>
    <value>node05:8031</value>
    </property>
    

      

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  • 原文地址:https://www.cnblogs.com/zwgblog/p/6071603.html
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