[HBASE-9746] RegionServer can't start when replication tries to replicate to an unknown host

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.94.12
• Fix Version/s: 0.99.0, 0.94.23, 0.98.6
• Hadoop Flags: Reviewed
• Assignee: Lars Hofhansl
• Reporter: Lars Hofhansl
• Created: 11/Oct/13 00:42
• Updated: 06/Apr/18 17:51
• Resolved: 26/Aug/14 18:03

Description

Just ran into this:

13/10/11 00:37:02 [regionserver60020] WARN  zookeeper.ZKConfig(204): java.net.UnknownHostException: <old-host>: Name or service not known
	at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
	at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:894)
	at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1286)
	at java.net.InetAddress.getAllByName0(InetAddress.java:1239)
	at java.net.InetAddress.getAllByName(InetAddress.java:1155)
	at java.net.InetAddress.getAllByName(InetAddress.java:1091)
	at java.net.InetAddress.getByName(InetAddress.java:1041)
	at org.apache.hadoop.hbase.zookeeper.ZKConfig.getZKQuorumServersString(ZKConfig.java:201)
	at org.apache.hadoop.hbase.zookeeper.ZKConfig.getZKQuorumServersString(ZKConfig.java:245)
	at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:147)
	at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:127)
	at org.apache.hadoop.hbase.replication.ReplicationPeer.reloadZkWatcher(ReplicationPeer.java:170)
	at org.apache.hadoop.hbase.replication.ReplicationPeer.<init>(ReplicationPeer.java:69)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.getPeer(ReplicationZookeeper.java:343)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.connectToPeer(ReplicationZookeeper.java:308)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.connectExistingPeers(ReplicationZookeeper.java:189)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.<init>(ReplicationZookeeper.java:156)
	at org.apache.hadoop.hbase.replication.regionserver.Replication.initialize(Replication.java:89)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.newReplicationInstance(HRegionServer.java:3986)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.createNewReplicationInstance(HRegionServer.java:3955)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.setupWALAndReplication(HRegionServer.java:1412)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1096)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:749)
	at java.lang.Thread.run(Thread.java:722)

13/10/11 00:37:02 [regionserver60020] ERROR zookeeper.ZKConfig(210): no valid quorum servers found in zoo.cfg
13/10/11 00:37:02 [regionserver60020] WARN  regionserver.HRegionServer(1108): Exception in region server : 
java.io.IOException: Unable to determine ZooKeeper ensemble
	at org.apache.hadoop.hbase.zookeeper.ZKUtil.connect(ZKUtil.java:116)
	at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:153)
	at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:127)
	at org.apache.hadoop.hbase.replication.ReplicationPeer.reloadZkWatcher(ReplicationPeer.java:170)
	at org.apache.hadoop.hbase.replication.ReplicationPeer.<init>(ReplicationPeer.java:69)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.getPeer(ReplicationZookeeper.java:343)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.connectToPeer(ReplicationZookeeper.java:308)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.connectExistingPeers(ReplicationZookeeper.java:189)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.<init>(ReplicationZookeeper.java:156)
	at org.apache.hadoop.hbase.replication.regionserver.Replication.initialize(Replication.java:89)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.newReplicationInstance(HRegionServer.java:3986)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.createNewReplicationInstance(HRegionServer.java:3955)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.setupWALAndReplication(HRegionServer.java:1412)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1096)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:749)
	at java.lang.Thread.run(Thread.java:722)
13/10/11 00:37:02 [regionserver60020] INFO  regionserver.HRegionServer(1823): STOPPED: Failed initialization
13/10/11 00:37:02 [regionserver60020] ERROR regionserver.HRegionServer(1228): Failed init
java.io.IOException: Unable to determine ZooKeeper ensemble
	at org.apache.hadoop.hbase.zookeeper.ZKUtil.connect(ZKUtil.java:116)
	at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:153)
	at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:127)
	at org.apache.hadoop.hbase.replication.ReplicationPeer.reloadZkWatcher(ReplicationPeer.java:170)
	at org.apache.hadoop.hbase.replication.ReplicationPeer.<init>(ReplicationPeer.java:69)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.getPeer(ReplicationZookeeper.java:343)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.connectToPeer(ReplicationZookeeper.java:308)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.connectExistingPeers(ReplicationZookeeper.java:189)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.<init>(ReplicationZookeeper.java:156)
	at org.apache.hadoop.hbase.replication.regionserver.Replication.initialize(Replication.java:89)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.newReplicationInstance(HRegionServer.java:3986)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.createNewReplicationInstance(HRegionServer.java:3955)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.setupWALAndReplication(HRegionServer.java:1412)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1096)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:749)
	at java.lang.Thread.run(Thread.java:722)
13/10/11 00:37:02 [regionserver60020] FATAL regionserver.HRegionServer(1898): ABORTING region server XXXXXXXX,60020,1381451821216: Unhandled exception: Unable to determine ZooKeeper ensemble
java.io.IOException: Unable to determine ZooKeeper ensemble
	at org.apache.hadoop.hbase.zookeeper.ZKUtil.connect(ZKUtil.java:116)
	at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:153)
	at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:127)
	at org.apache.hadoop.hbase.replication.ReplicationPeer.reloadZkWatcher(ReplicationPeer.java:170)
	at org.apache.hadoop.hbase.replication.ReplicationPeer.<init>(ReplicationPeer.java:69)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.getPeer(ReplicationZookeeper.java:343)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.connectToPeer(ReplicationZookeeper.java:308)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.connectExistingPeers(ReplicationZookeeper.java:189)
	at org.apache.hadoop.hbase.replication.ReplicationZookeeper.<init>(ReplicationZookeeper.java:156)
	at org.apache.hadoop.hbase.replication.regionserver.Replication.initialize(Replication.java:89)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.newReplicationInstance(HRegionServer.java:3986)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.createNewReplicationInstance(HRegionServer.java:3955)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.setupWALAndReplication(HRegionServer.java:1412)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1096)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:749)
	at java.lang.Thread.run(Thread.java:722)