Liu Shaohui created HBASE-13988: ----------------------------------- Summary: Add exception handler for lease thread Key: HBASE-13988 URL: https://issues.apache.org/jira/browse/HBASE-13988 Project: HBase Issue Type: Bug Affects Versions: 2.0.0 Reporter: Liu Shaohui Assignee: Liu Shaohui Priority: Minor
In a prod cluster, a region server exited for some important threads were not alive. After excluding other threads from the log, we doubted the lease thread was the root. So we need to add an exception handler to the lease thread to debug why it exited in future. {quote} 2015-06-29,12:46:09,222 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: STOPPED: One or more threads are no longer alive -- stop 2015-06-29,12:46:09,223 INFO org.apache.hadoop.ipc.HBaseServer: Stopping server on 21600 ... 2015-06-29,12:46:09,330 INFO org.apache.hadoop.hbase.regionserver.LogRoller: LogRoller exiting. 2015-06-29,12:46:09,330 INFO org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Thread-37 exiting 2015-06-29,12:46:09,330 INFO org.apache.hadoop.hbase.regionserver.HRegionServer$CompactionChecker: regionserver21600.compactionChecker exiting 2015-06-29,12:46:12,403 INFO org.apache.hadoop.hbase.regionserver.HRegionServer$PeriodicMemstoreFlusher: regionserver21600.periodicFlusher exiting {quote} -- This message was sent by Atlassian JIRA (v6.3.4#6332)