Hbase was working till yesterday but I am seeing following error today.
2011-10-20 11:52:02,329 ERROR org.apache.hadoop.hbase.HServerAddress: Could not resolve the DNS name of unknowne4ce8f3898fc 2011-10-20 11:52:02,329 FATAL org.apache.hadoop.hbase.master.HMaster: Unhandled exception. Starting shutdown. java.lang.IllegalArgumentException: hostname can't be null at java.net.InetSocketAddress.<init>(InetSocketAddress.java:121) 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.catalog.MetaReader.readLocation(MetaReader.java:339) at org.apache.hadoop.hbase.catalog.MetaReader.readMetaLocation(MetaReader.java:281) at org.apache.hadoop.hbase.catalog.CatalogTracker.getMetaServerConnection(CatalogTracker.java:282) at org.apache.hadoop.hbase.catalog.CatalogTracker.verifyMetaRegionLocation(CatalogTracker.java:488) at org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:441) at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:388) at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:282) at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.run(HMasterCommandLine.java:193) at java.lang.Thread.run(Thread.java:680)
