Hbase学习5_开启 hbase 时,slave 上的 HRegionServer 没有启动
2017-02-16 15:58
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1.问题描述
我在开启 hbase 时发现 slave 上的 HRegionserver 没有启动,后来查看 log 日志发现如下问题: 由上述图片中的信息初步判断是由于 date 时间设置没有与主机同步
2.解决方法
第一种:使用 date -s “2014-1-4 12:16:00” 在 root 权限下键入时间,使其与 主机同步 第二种:http://blog.csdn.net/u011414200/article/details/50408272
3.ps
starting master, logging to /usr/hadoop/hbase/logs/hbase-hadoop-master-Master.Hadoop.out 192.168.1.4: starting regionserver, logging to /usr/hadoop/hbase/logs/hbase-hadoop-regionserver-Slave2.Hadoop.out 192.168.1.5: regionserver running as process 7155. Stop it first. 192.168.1.3: starting regionserver, logging to /usr/hadoop/hbase/logs/hbase-hadoop-regionserver-Slave1.Hadoop.out 192.168.1.4: Exception in thread "main" java.lang.RuntimeException: Failed construction of Regionserver: class org.apache.hadoop.hbase.regionserver.HRegionServer 192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:3977) 192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:60) 192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:75) 192.168.1.4: at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) 192.168.1.4: at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76) 192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:4001) 192.168.1.4: Caused by: java.lang.reflect.InvocationTargetException 192.168.1.4: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 192.168.1.4: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) 192.168.1.3: Exception in thread "main" java.lang.RuntimeException: Failed construction of Regionserver: class org.apache.hadoop.hbase.regionserver.HRegionServer 192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:3977) 192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:60) 192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:75) 192.168.1.3: at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) 192.168.1.3: at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76) 192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:4001) 192.168.1.3: Caused by: java.lang.reflect.InvocationTargetException 192.168.1.3: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 192.168.1.3: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) [hadoop@Master bin]$ netstat -apn | grep 60020 (Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.)1
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日志报错如下
DEBUG org.apache.hadoop.hbase.master.HMaster: Set serverside HConnection retries=100 2013-05-14 17:36:17,689 ERROR org.apache.hadoop.hbase.master.HMasterCommandLine: Failed to start master java.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2030) at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:152) at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:104) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76) at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:2044) Caused by: java.net.BindException: Address already in use at sun.nio.ch.Net.bind0(Native Method) at sun.nio.ch.Net.bind(Net.java:344) at sun.nio.ch.Net.bind(Net.java:336) at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:199) at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74) at org.apache.hadoop.hbase.ipc.HBaseServer.bind(HBaseServer.java:256) at org.apache.hadoop.hbase.ipc.HBaseServer$Listener.<init>(HBaseServer.java:482) at org.apache.hadoop.hbase.ipc.HBaseServer.<init>(HBaseServer.java:1559) at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.<init>(WritableRpcEngine.java:252) at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getServer(WritableRpcEngine.java:201) at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getServer(WritableRpcEngine.java:55) at org.apache.hadoop.hbase.ipc.HBaseRPC.getServer(HBaseRPC.java:330) at org.apache.hadoop.hbase.ipc.HBaseRPC.getServer(HBaseRPC.java:319) at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:302) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:525) at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2025)1
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解决方法是:
[hadoop@Master logs]$ netstat -apn | grep 60000 (Not all processes could be identified, non-owned process info will not be shown, you would have to be root to see it all.) tcp 0 0 ::ffff:192.168.1.2:60000 :::* LISTEN 17681/java [hadoop@Master logs]$ kill 17681
原文来自:http://blog.csdn.net/ZHAOLEI5911/article/details/50556825
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