Hbase无法启动，报：Address already in use
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[hadoop@Master bin]$ ./start-hbase.sh
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starting master, logging to /usr/hadoop/hbase/logs/hbase-hadoop-master-Master.Hadoop.out
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192.168.1.4: starting regionserver, logging to /usr/hadoop/hbase/logs/hbase-hadoop-regionserver-Slave2.Hadoop.out
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192.168.1.5: regionserver running as process 7155. Stop it first.
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192.168.1.3: starting regionserver, logging to /usr/hadoop/hbase/logs/hbase-hadoop-regionserver-Slave1.Hadoop.out
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192.168.1.4: Exception in thread "main" java.lang.RuntimeException: Failed construction of Regionserver: class org.apache.hadoop.hbase.regionserver.HRegionServer
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192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:3977)
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192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:60)
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192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:75)
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192.168.1.4: at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
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192.168.1.4: at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76)
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192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:4001)
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192.168.1.4: Caused by: java.lang.reflect.InvocationTargetException
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192.168.1.4: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
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192.168.1.4: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
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192.168.1.3: Exception in thread "main" java.lang.RuntimeException: Failed construction of Regionserver: class org.apache.hadoop.hbase.regionserver.HRegionServer
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192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:3977)
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192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:60)
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192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:75)
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192.168.1.3: at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
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192.168.1.3: at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76)
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192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:4001)
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192.168.1.3: Caused by: java.lang.reflect.InvocationTargetException
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192.168.1.3: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
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192.168.1.3: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
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[hadoop@Master bin]$ netstat -apn | grep 60020
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(Not all processes could be identified, non-owned process info
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will not be shown, you would have to be root to see it all.)
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[hadoop@Master bin]$
查看日志信息：
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2013-05-14 17:36:17,367 INFO org.apache.hadoop.hbase.util.VersionInfo: HBase 0.94.7
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2013-05-14 17:36:17,368 INFO org.apache.hadoop.hbase.util.VersionInfo: Subversion https://svn.apache.org/repos/asf/hbase/tags/0.94.7RC1 -r 1471806
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2013-05-14 17:36:17,368 INFO org.apache.hadoop.hbase.util.VersionInfo: Compiled by lhofhans on Wed Apr 24 18:48:26 PDT 2013
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2013-05-14 17:36:17,504 DEBUG org.apache.hadoop.hbase.master.HMaster: Set serverside HConnection retries=100
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2013-05-14 17:36:17,689 ERROR org.apache.hadoop.hbase.master.HMasterCommandLine: Failed to start master
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java.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster
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at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2030)
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at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:152)
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at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:104)
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at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
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at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76)
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at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:2044)
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Caused by: java.net.BindException: Address already in use
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at sun.nio.ch.Net.bind0(Native Method)
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at sun.nio.ch.Net.bind(Net.java:344)
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at sun.nio.ch.Net.bind(Net.java:336)
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at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:199)
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at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
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at org.apache.hadoop.hbase.ipc.HBaseServer.bind(HBaseServer.java:256)
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at org.apache.hadoop.hbase.ipc.HBaseServer$Listener.<init>(HBaseServer.java:482)
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at org.apache.hadoop.hbase.ipc.HBaseServer.<init>(HBaseServer.java:1559)
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at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.<init>(WritableRpcEngine.java:252)
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at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getServer(WritableRpcEngine.java:201)
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at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getServer(WritableRpcEngine.java:55)
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at org.apache.hadoop.hbase.ipc.HBaseRPC.getServer(HBaseRPC.java:330)
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at org.apache.hadoop.hbase.ipc.HBaseRPC.getServer(HBaseRPC.java:319)
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at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:302)
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at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
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at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
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at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
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at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
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at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2025)
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... 5 more
查看发现是端口被占用，查找占用6000/60020的进程并杀死：
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