If you restart master again, still NPE? What version of hbase? So, your meta has an empty info:regioninfo cell. When you do ./bin/hbase, is there an hbck to run? If so, run it and what does it report? StAck
On Sat, Oct 23, 2010 at 11:21 AM, Sebastian Bauer <[email protected]> wrote: > Today i found this problem after restarting hbase: > > > 2010-10-23 20:16:17,882 DEBUG > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation: > Lookedup root region location, > connection=org.apache.hadoop.hbase.client.HConnectionManager$HConnectionIm > 2010-10-23 20:16:17,890 DEBUG > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation: > Cached location for .META.,,1.1028785192 is > db2a.goldenline.pl:60020 > 2010-10-23 20:16:18,432 FATAL org.apache.hadoop.hbase.master.HMaster: > Unhandled exception. Starting > shutdown. > > java.lang.NullPointerException > > at > org.apache.hadoop.hbase.util.Writables.getWritable(Writables.java:75) > > at > org.apache.hadoop.hbase.util.Writables.getHRegionInfo(Writables.java:119) > > at > org.apache.hadoop.hbase.client.MetaScanner$1.processRow(MetaScanner.java:188) > > at > org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:157) > > at > org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:69) > > at > org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:54) > > at > org.apache.hadoop.hbase.client.MetaScanner.listAllRegions(MetaScanner.java:195) > > at > org.apache.hadoop.hbase.master.AssignmentManager.assignAllUserRegions(AssignmentManager.java:1048) > > at > org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:379) > > at > org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:265) > > 2010-10-23 20:16:18,433 INFO org.apache.hadoop.hbase.master.HMaster: > Aborting > > 2010-10-23 20:16:18,433 DEBUG org.apache.hadoop.hbase.master.HMaster: > Stopping service threads >
