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Date: Fri, 15 May 2015 22:26:11 -0700
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 <CALte62x1wn2E6NLC6T4_fAJTu-q0_imT1KpU4dqBe8wnDrXwwA@mail.gmail.com>
Subject: Re: HMaster restart with error
From: Ted Yu <yuzhihong@gmail.com>
To: "user@hbase.apache.org" <user@hbase.apache.org>
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Can you check server log on 192.168.39.22
<http://l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000> ?

That should give you some clue.

Cheers

On Fri, May 15, 2015 at 8:22 PM, Louis Hust <louis.hust@gmail.com> wrote:

> Hi all,
>
> I use hbase0.96.0 with hadoop 2.2.0,
> and the custom said they can not write into hbase cluster,
> So i stop the HMaster and start it soon,
>
> But it seems that the HMaster not response to request, following is the
> HMaster log:
>
> {logs}
> 2015-05-15 12:13:33,136 INFO  [AM.ZK.Worker-pool2-t16] master.RegionStates:
> Transitioned {9036a3befee90eeffb9082f90a4a9afa state=OPENING,
> ts=1431663212637, server=l-hbase26.data.cn8.qunar.com,60020,1431462615651}
> to {9036a3befee90eeffb9082f90a4a9afa state=OPEN, ts=1431663213136, server=
> l-hbase26.data.cn8.qunar.com,60020,1431462615651}
> 2015-05-15 12:13:33,139 INFO  [AM.ZK.Worker-pool2-t4] master.RegionStates:
> Onlined 9036a3befee90eeffb9082f90a4a9afa on l-hbase26.data.cn8.qunar.com
> ,60020,1431462615651
> 2015-05-15 12:14:40,699 INFO  [main-EventThread]
> zookeeper.RegionServerTracker: RegionServer ephemeral node deleted,
> processing expiration [l-hbase27.data.cn8.qunar.com,60020,1431663208899]
> 2015-05-15 12:15:04,899 INFO  [main-EventThread]
> zookeeper.RegionServerTracker: RegionServer ephemeral node deleted,
> processing expiration [l-hbase25.data.cn8.qunar.com,60020,1431663193865]
> 2015-05-15 12:15:24,465 WARN  [249240421@qtp-591022857-33]
> client.HConnectionManager$HConnectionImplementation: Checking master
> connection
> com.google.protobuf.ServiceException: java.net.SocketTimeoutException: Call
> to l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000 failed because
> java.net.SocketTimeoutException: 60000 millis timeout while waiting for
> channel to be ready for read. ch :
> java.nio.channels.SocketChannel[connected local=/192.168.39.22:47700
> remote=
> l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000]
> at
>
> org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1667)
> at
>
> org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1708)
> at
>
> org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$BlockingStub.isMasterRunning(MasterProtos.java:40216)
> at
>
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$MasterServiceState.isMasterRunning(HConnectionManager.java:1484)
> at
>
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.isKeepAliveMasterConnectedAndRunning(HConnectionManager.java:2110)
> at
>
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getKeepAliveMasterService(HConnectionManager.java:1836)
> at
>
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.listTables(HConnectionManager.java:2531)
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:298)
> at
>
> org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.__jamon_innerUnit__userTables(MasterStatusTmplImpl.java:530)
> at
>
> org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.renderNoFlush(MasterStatusTmplImpl.java:255)
> at
>
> org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.renderNoFlush(MasterStatusTmpl.java:382)
> at
>
> org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.render(MasterStatusTmpl.java:372)
> at
>
> org.apache.hadoop.hbase.master.MasterStatusServlet.doGet(MasterStatusServlet.java:95)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:734)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
> at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
> at
>
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
> at
>
> org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:109)
> at
>
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> at
>
> org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1081)
> at
>
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
> at
>
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
> at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
> at
>
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:326)
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
> at
>
> org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
> at
>
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
> at
>
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> Caused by: java.net.SocketTimeoutException: Call to
> l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000 failed because
> java.net.SocketTimeoutException: 60000 millis timeout while waiting for
> channel to be ready for read. ch :
> java.nio.channels.SocketChannel[connected local=/192.168.39.22:47700
> remote=
> l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000]
> at org.apache.hadoop.hbase.ipc.RpcClient.wrapException(RpcClient.java:1475)
> at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1450)
> at
>
> org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1650)
> ... 37 more
> Caused by: java.net.SocketTimeoutException: 60000 millis timeout while
> waiting for channel to be ready for read. ch :
> java.nio.channels.SocketChannel[connected local=/192.168.39.22:47700
> remote=
> l-namenode2.dba.cn8.qunar.com/192.168.39.22:60000]
> at
>
> org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:164)
> at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:161)
> at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:131)
> at java.io.FilterInputStream.read(FilterInputStream.java:133)
> at java.io.FilterInputStream.read(FilterInputStream.java:133)
> at
>
> org.apache.hadoop.hbase.ipc.RpcClient$Connection$PingInputStream.read(RpcClient.java:553)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
> at java.io.DataInputStream.readInt(DataInputStream.java:387)
> at
>
> org.apache.hadoop.hbase.ipc.RpcClient$Connection.readResponse(RpcClient.java:1057)
> at org.apache.hadoop.hbase.ipc.RpcClient$Connection.run(RpcClient.java:719)
> Fri May 15 12:15:58 CST 2015 Terminating master
> {/logs}
> So what the exception means? Why? and how to solve the problem?
>

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