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Hadoop重启,Hbase出现Master exiting的错误:org.apache.hadoop.hbase.master.HMasterCommandLine: Master exiting

2016-05-11 10:32 585 查看
hadoop hdfs 重新启动或者重新格式话,可能会出现一些数据丢失,报错hbase的。

我的是试验环境,所以需要重新清理这些数据。

首先要重新创建hbase在hdfs里面的文件夹:

并把赋予拥有者权限

$ sudo -u hdfs hadoop fs -mkdir /hbase
$ sudo -u hdfs hadoop fs -chown hbase /hbase


清理hbase在zookeeper中的缓存数据,缓存的目录在hbase-site.xml中有。

hbase启动出现错误:

2016-05-11 10:01:23,124 ERROR org.apache.hadoop.hbase.master.HMasterCommandLine: Master exiting

java.lang.RuntimeException: HMaster Aborted

2016-05-11 10:01:23,007 INFO org.apache.hadoop.hbase.master.HMaster: Aborting
2016-05-11 10:01:23,007 DEBUG org.apache.hadoop.hbase.master.HMaster: Stopping service threads
2016-05-11 10:01:23,007 INFO org.apache.hadoop.ipc.HBaseServer: Stopping server on 60000
2016-05-11 10:01:23,007 INFO org.apache.hadoop.ipc.HBaseServer: REPL IPC Server handler 2 on 60000: exiting
2016-05-11 10:01:23,007 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 0 on 60000: exiting
2016-05-11 10:01:23,008 INFO org.apache.hadoop.ipc.HBaseServer: REPL IPC Server handler 0 on 60000: exiting
2016-05-11 10:01:23,007 INFO org.apache.hadoop.ipc.HBaseServer: REPL IPC Server handler 1 on 60000: exiting
2016-05-11 10:01:23,008 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 5 on 60000: exiting
2016-05-11 10:01:23,008 INFO org.apache.hadoop.hbase.master.HMaster: Stopping infoServer
2016-05-11 10:01:23,008 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 6 on 60000: exiting
2016-05-11 10:01:23,008 INFO org.apache.hadoop.ipc.HBaseServer: Stopping IPC Server listener on 60000
2016-05-11 10:01:23,009 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 8 on 60000: exiting
2016-05-11 10:01:23,009 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 7 on 60000: exiting
2016-05-11 10:01:23,008 INFO org.apache.hadoop.ipc.HBaseServer: Stopping IPC Server Responder
2016-05-11 10:01:23,008 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 3 on 60000: exiting
2016-05-11 10:01:23,008 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 2 on 60000: exiting
2016-05-11 10:01:23,011 INFO org.apache.hadoop.ipc.HBaseServer: Stopping IPC Server Responder
2016-05-11 10:01:23,011 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 1 on 60000: exiting
2016-05-11 10:01:23,009 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 4 on 60000: exiting
2016-05-11 10:01:23,009 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 9 on 60000: exiting
2016-05-11 10:01:23,013 INFO org.mortbay.log: Stopped SelectChannelConnector@0.0.0.0:60010
2016-05-11 10:01:23,124 INFO org.apache.zookeeper.ZooKeeper: Session: 0x3547fc1b0e5000b closed
2016-05-11 10:01:23,124 INFO org.apache.hadoop.hbase.master.HMaster: HMaster main thread exiting
2016-05-11 10:01:23,124 INFO org.apache.zookeeper.ClientCnxn: EventThread shut down
2016-05-11 10:01:23,124 ERROR org.apache.hadoop.hbase.master.HMasterCommandLine: Master exiting
java.lang.RuntimeException: HMaster Aborted
at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:160)
at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:104)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76)
at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:2124)


解决方法:http://stackoverflow.com/questions/28563167/hbase-master-not-starting-correctly

Step 1:stop Hbase.

Step 2:运行
hbase org.apache.hadoop.hbase.util.hbck.OfflineMetaRepair


//修复metadata

Step 3:运行zookeeper,这里会丢失旧的数据。

zkCli.sh

ls /

rmr
/hbase


Step 4:重启hbase

执行

[root@cdhhadoop1 bin]# sh zkCli.sh
Connecting to localhost:2181
...
Welcome to ZooKeeper!
...

[zk: localhost:2181(CONNECTED) 0] ls /
[hbase, zookeeper]
[zk: localhost:2181(CONNECTED) 1] rmr hbase
Command failed: java.lang.IllegalArgumentException: Path must start with / character
[zk: localhost:2181(CONNECTED) 2] rmr /hbase
[zk: localhost:2181(CONNECTED) 3] ls /
[zookeeper]
[zk: localhost:2181(CONNECTED) 4]
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