王宇霄 created HBASE-24299:
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Summary: Configuring HBase to Use HDFS HA
Key: HBASE-24299
URL: https://issues.apache.org/jira/browse/HBASE-24299
Project: HBase
Issue Type: Bug
Components: conf, hadoop3
Affects Versions: 2.2.4
Environment: OS: Ubuntu 16.04.6
JDK：1.8
Hadoop：3.1.3 or 3.2.1
Zookeeper：3.6.0
HBase：2.2.4
|Hostname|IP|Components|
|cluster-hadoop-01|172.18.20.3|NameNode、DataNode、ZooKeeper、HMaster、RegionServer|
|cluster-hadoop-02|172.18.20.4|NameNode、`DataNode、Zookeeper、HMaster-Backup、RegionServer|
|cluster-hadoop-03|172.18.20.5|DataNode、ZooKeeper、RegionServer|
hbase-site.xml：
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>hbase.rootdir</name>
<value>hdfs://hdfscluster/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.zookeeper.property.clientPort</name>
<value>2181</value>
</property>
<property>
<name>hbase.zookeeper.quorum</name>
<value>cluster-hadoop-01,cluster-hadoop-02,cluster-hadoop-03</value>
</property>
<property>
<name>hbase.zookeeper.property.dataDir</name>
<value>/data/zookeeper/data</value>
</property>
</configuration>
hdfs-site.xml：
......
<property>
<name>dfs.nameservices</name>
<value>hdfscluster</value>
</property>
.......
Reporter: 王宇霄
Attachments: 深度截图_选择区域_20200501201638.png, 深度截图_选择区域_20200501201911.png
Problem: HMasters fail to start.
Solution: Check for this error in the HMaster log:
2020-05-01 19:30:13,125 ERROR [main] regionserver.HRegionServer: Failed
construction RegionServer
java.lang.IllegalArgumentException: java.net.UnknownHostException: hdfscluster
Hadoop's hdfs-site.xml and core-site.xml files are in your hbase/conf directory
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