hbase,hive报错:NoRouteToHostException: No route to host |
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hbase,hive报错:NoRouteToHostException: No route to host
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今天早上打开ClouderaManager集群发现HBase和Hive的服务都报错了，有问题就解决吧 先看下HBase的错误日志， HBase的报错： Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.NoRouteToHostException: No route to host at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) Failed deleting my ephemeral node org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/rs/cm02.spark.com,60020,1530822114541 at org.apache.zookeeper.KeeperException.create(KeeperException.java:99) at org.apache.zookeeper.KeeperException.create(KeeperException.java:51) at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:873) at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.delete(RecoverableZooKeeper.java:178) at org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:1236) at org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:1225) at org.apache.hadoop.hbase.regionserver.HRegionServer.deleteMyEphemeralNode(HRegionServer.java:1435) at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:1098) at java.lang.Thread.run(Thread.java:745) Region server exiting java.lang.RuntimeException: HRegionServer Aborted at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:68) at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:87) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:127) at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:2696)再看下Hive的报错 HiveServer2的报错： [main]: Error starting HiveServer2 java.lang.Error: Max start attempts 30 exhausted at org.apache.hive.service.server.HiveServer2.startHiveServer2(HiveServer2.java:550) at org.apache.hive.service.server.HiveServer2.access$700(HiveServer2.java:83) at org.apache.hive.service.server.HiveServer2$StartOptionExecutor.execute(HiveServer2.java:764) at org.apache.hive.service.server.HiveServer2.main(HiveServer2.java:637) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.hadoop.util.RunJar.run(RunJar.java:221) at org.apache.hadoop.util.RunJar.main(RunJar.java:136) Caused by: java.lang.RuntimeException: java.net.NoRouteToHostException: No Route to Host from cm02.spark.com/192.168.60.55 to cm01.spark.com:8020 failed on socket timeout exception: java.net.NoRouteToHostException: No route to host; For more details see: http://wiki.apache.org/hadoop/NoRouteToHost at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:566) at org.apache.hive.service.cli.CLIService.applyAuthorizationConfigPolicy(CLIService.java:124) at org.apache.hive.service.cli.CLIService.init(CLIService.java:111) at org.apache.hive.service.CompositeService.init(CompositeService.java:59) at org.apache.hive.service.server.HiveServer2.init(HiveServer2.java:119) at org.apache.hive.service.server.HiveServer2.startHiveServer2(HiveServer2.java:513) Caused by: java.net.NoRouteToHostException: No route to host 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:530) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494) at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:648) at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:744) at org.apache.hadoop.ipc.Client$Connection.access$3000(Client.java:396) at org.apache.hadoop.ipc.Client.getConnection(Client.java:1555) at org.apache.hadoop.ipc.Client.call(Client.java:1478)发现HBase和Hive的错误日志中都有no route to host的提示,route相关的错误一般都跟跟路由相关的,Hadoop相关的服务什么跟路由相关呢?很大可能是不同节点之间的通信啦,网上查了一下,可能的原因是防火墙没有关,那就看下防火墙的状态吧: service iptables status
然后重启一下HBase和Hive, 看着满屏的绿色,整个世界都清静了 |
果然没有关,怎么回事?我记得我是关了的啊?算了不管了,关一下吧:
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