Hbase 启动后十几秒进程异常退出，日志如下：http://www.cndba.cn/dave/article/3316

[hadoop@Slave1 logs]$ pwd
/home/hadoop/hbase/logs
[hadoop@Slave1 logs]$ tail -500 hbase-hadoop-master-Slave1.log^C

2019-03-04 00:44:45,899 INFO  [main] zookeeper.ZooKeeper: Initiating client connection, connectString= Master:2181, Slave1:2181, Slave2:2181 sessionTimeout=90000 watcher=org.apache.hadoop.hbase.zookeeper.PendingWatcher@acf859d
2019-03-04 00:44:45,899 WARN  [main] zookeeper.RecoverableZooKeeper: Unable to create ZooKeeper Connection
java.net.UnknownHostException:  Master
    at java.net.InetAddress.getAllByName0(InetAddress.java:1280)
    at java.net.InetAddress.getAllByName(InetAddress.java:1192)
    at java.net.InetAddress.getAllByName(InetAddress.java:1126)
    at org.apache.zookeeper.client.StaticHostProvider.<init>(StaticHostProvider.java:61)
    at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:445)
    at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:380)
    at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.checkZk(RecoverableZooKeeper.java:131)
    at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.createNonSequential(RecoverableZooKeeper.java:549)
    at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.create(RecoverableZooKeeper.java:528)
    at org.apache.hadoop.hbase.zookeeper.ZKUtil.createWithParents(ZKUtil.java:1199)
    at org.apache.hadoop.hbase.zookeeper.ZKUtil.createWithParents(ZKUtil.java:1177)
    at org.apache.hadoop.hbase.zookeeper.ZKWatcher.createBaseZNodes(ZKWatcher.java:183)
    at org.apache.hadoop.hbase.zookeeper.ZKWatcher.<init>(ZKWatcher.java:167)
    at org.apache.hadoop.hbase.zookeeper.ZKWatcher.<init>(ZKWatcher.java:119)
    at org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:623)
    at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:489)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:3093)
    at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:236)
    at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:140)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
    at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:149)
    at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:3111)

查了很长时间，还是配置文件出了问题：http://www.cndba.cn/dave/article/3316

2019-03-04 00:44:45,899 INFO  [main] zookeeper.ZooKeeper: Initiating client connection, connectString= Master:2181, Slave1:2181, Slave2:2181 sessionTimeout=90000 watcher=org.apache.hadoop.hbase.zookeeper.PendingWatcher@acf859d
2019-03-04 00:44:45,899 WARN  [main] zookeeper.RecoverableZooKeeper: Unable to create ZooKeeper Connection
java.net.UnknownHostException:  Master

注意这里提示未知的主机名： Master。 实际上是这里多了一个空格导致的。

修改配置文件：http://www.cndba.cn/dave/article/3316http://www.cndba.cn/dave/article/3316

[hadoop@Master conf]$ cat hbase-site.xml
<configuration>
<property>
<name>hbase.rootdir</name>
<value>hdfs://Master:9000/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.zookeeper.quorum</name>
<value>Master,Slave1,Slave2</value>
</property>
</configuration>

将hbase.zookeeper.quorum参数中值前面的空格去掉后HBase正常启动。http://www.cndba.cn/dave/article/3316http://www.cndba.cn/dave/article/3316http://www.cndba.cn/dave/article/3316

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