i modified all hostname in hadoop&hbase configuration file instead of IP,but i receive following error ,thanks all
hbase version is Version 0.90.6-cdh3u4, 13/07/03 11:22:34 INFO zookeeper.ClientCnxn: Session establishment complete on server 192.168.10.22/192.168.10.22:2281, sessionid = 0x3fa28145010001, negotiated timeout = 40000 13/07/03 11:22:36 ERROR hbase.HServerAddress: Could not resolve the DNS name of CH35 java.lang.IllegalArgumentException: hostname can't be null at java.net.InetSocketAddress.checkHost(Unknown Source) at java.net.InetSocketAddress.<init>(Unknown Source) at org.apache.hadoop.hbase.HServerAddress.getResolvedAddress(HServerAddress.java:108) at org.apache.hadoop.hbase.HServerAddress.<init>(HServerAddress.java:64) at org.apache.hadoop.hbase.zookeeper.RootRegionTracker.dataToHServerAddress(RootRegionTracker.java:82) at org.apache.hadoop.hbase.zookeeper.RootRegionTracker.waitRootRegionLocation(RootRegionTracker.java:73) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:841) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:819) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:950) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:852) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:819) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:950) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:856) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:819) at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:189) at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:163) at com.testme.demo.HBaseTest.testInsert(HBaseTest.java:92) at com.testme.demo.HBaseTest.main(HBaseTest.java:158)
