Hbase無法啟動，報：Address already in use 01 [hadoop@Master bin]$ ./start-hbase.sh 02 starting master, logging to /usr/hadoop/hbase/logs/hbase-hadoop-master-Master.Hadoop.out 03 192.168.1.4: starting regionserver, logging to /usr/hadoop/hb

Hbase無法啟動，報：Address already in use

01

[hadoop@Master bin]$ ./start-hbase.sh

02

starting master, logging to /usr/hadoop/hbase/logs/hbase-hadoop-master-Master.Hadoop.out

03

192.168.1.4: starting regionserver, logging to /usr/hadoop/hbase/logs/hbase-hadoop-regionserver-Slave2.Hadoop.out

04

192.168.1.5: regionserver running as process 7155. Stop it first.

05

192.168.1.3: starting regionserver, logging to /usr/hadoop/hbase/logs/hbase-hadoop-regionserver-Slave1.Hadoop.out

06

192.168.1.4: Exception in thread "main" java.lang.RuntimeException: Failed construction of Regionserver: class org.apache.hadoop.hbase.regionserver.HRegionServer

07

192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:3977)

08

192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:60)

09

192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:75)

10

192.168.1.4: at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)

11

192.168.1.4: at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76)

12

192.168.1.4: at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:4001)

13

192.168.1.4: Caused by: java.lang.reflect.InvocationTargetException

14

192.168.1.4: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

15

192.168.1.4: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

16

192.168.1.3: Exception in thread "main" java.lang.RuntimeException: Failed construction of Regionserver: class org.apache.hadoop.hbase.regionserver.HRegionServer

17

192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:3977)

18

192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:60)

19

192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:75)

20

192.168.1.3: at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)

21

192.168.1.3: at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76)

22

192.168.1.3: at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:4001)

23

192.168.1.3: Caused by: java.lang.reflect.InvocationTargetException

24

192.168.1.3: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

25

192.168.1.3: at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

26

[hadoop@Master bin]$ netstat -apn | grep 60020

27

(Not all processes could be identified, non-owned process info

28

will not be shown, you would have to be root to see it all.)

29

[hadoop@Master bin]$

查看日志信息：

01

2013-05-14 17:36:17,367 INFO org.apache.hadoop.hbase.util.VersionInfo: HBase 0.94.7

02

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

03

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

04

2013-05-14 17:36:17,504 DEBUG org.apache.hadoop.hbase.master.HMaster: Set serverside HConnection retries=100

05

2013-05-14 17:36:17,689 ERROR org.apache.hadoop.hbase.master.HMasterCommandLine: Failed to start master

06

java.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster

07

at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2030)

08

at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:152)

09

at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:104)

10

at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)

11

at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76)

12

at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:2044)

13

Caused by: java.net.BindException: Address already in use

14

at sun.nio.ch.Net.bind0(Native Method)

15

at sun.nio.ch.Net.bind(Net.java:344)

16

at sun.nio.ch.Net.bind(Net.java:336)

17

at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:199)

18

at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)

19

at org.apache.hadoop.hbase.ipc.HBaseServer.bind(HBaseServer.java:256)

20

at org.apache.hadoop.hbase.ipc.HBaseServer$Listener.(HBaseServer.java:482)

21

at org.apache.hadoop.hbase.ipc.HBaseServer.(HBaseServer.java:1559)

22

at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.(WritableRpcEngine.java:252)

23

at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getServer(WritableRpcEngine.java:201)

24

at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getServer(WritableRpcEngine.java:55)

25

at org.apache.hadoop.hbase.ipc.HBaseRPC.getServer(HBaseRPC.java:330)

26

at org.apache.hadoop.hbase.ipc.HBaseRPC.getServer(HBaseRPC.java:319)

27

at org.apache.hadoop.hbase.master.HMaster.(HMaster.java:302)

28

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

29

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

30

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

31

at java.lang.reflect.Constructor.newInstance(Constructor.java:525)

32

at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2025)

33

... 5 more

查看發現是端口被占用，查找占用6000/60020的進程并殺死：

1

[hadoop@Master logs]$ netstat -apn | grep 60000

2

(Not all processes could be identified, non-owned process info

3

will not be shown, you would have to be root to see it all.)

4

tcp 0 0 ::ffff:192.168.1.2:60000 :::* LISTEN 17681/java

5

[hadoop@Master logs]$ kill 17681

重啟仍出現這樣的問題，沒辦法了～～～

今天再重新啟動后，查看日志：

1

1、啟動Hbase之前盡量關閉Hadoop的HDFS的安全模式，未關閉可能會造成Hbase在HDFS上創建文件不成功，日志記錄中也會出現如下記錄：

2

2012-04-10 21:37:01,999 INFO org.apache.hadoop.hbase.util.FSUtils: Waiting for dfs to exit safe mode...

3

2012-04-10 21:37:12,003 INFO org.apache.hadoop.hbase.util.FSUtils: Waiting for dfs to exit safe mode...

4

2012-04-10 21:37:22,006 INFO org.apache.hadoop.hbase.util.FSUtils: Waiting for dfs to exit safe mode...

5

2012-04-10 21:37:32,011 INFO org.apache.hadoop.hbase.util.FSUtils: Waiting for dfs to exit safe mode...

6

7

解決方法：使用 hadoop dfsadmin -safemode leave 命令使Hadoop退出安全模式

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