[ https://issues.apache.org/jira/browse/HBASE-18888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ramkrishna.s.vasudevan updated HBASE-18888: ------------------------------------------- Attachment: HBASE-18888.patch Simple patch. Verified in cluster and it works now. > StealJobQueue should call super() to init the PriorityBlockingQueue > ------------------------------------------------------------------- > > Key: HBASE-18888 > URL: https://issues.apache.org/jira/browse/HBASE-18888 > Project: HBase > Issue Type: Bug > Affects Versions: 2.0.0-alpha-3 > Reporter: ramkrishna.s.vasudevan > Assignee: ramkrishna.s.vasudevan > Fix For: 2.0.0-alpha-4 > > Attachments: HBASE-18888.patch > > > {code} > ERROR: java.io.IOException: > org.apache.hadoop.hbase.regionserver.CompactSplit$CompactionRunner cannot be > cast to java.lang.Comparable > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:465) > at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:133) > at > org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:278) > at > org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:258) > Caused by: java.lang.ClassCastException: > org.apache.hadoop.hbase.regionserver.CompactSplit$CompactionRunner cannot be > cast to java.lang.Comparable > at > java.util.concurrent.PriorityBlockingQueue.siftUpComparable(PriorityBlockingQueue.java:357) > at > java.util.concurrent.PriorityBlockingQueue.offer(PriorityBlockingQueue.java:489) > at > org.apache.hadoop.hbase.util.StealJobQueue.offer(StealJobQueue.java:103) > at > java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1361) > at > org.apache.hadoop.hbase.regionserver.CompactSplit.requestCompactionInternal(CompactSplit.java:291) > at > org.apache.hadoop.hbase.regionserver.CompactSplit.requestCompactionInternal(CompactSplit.java:248) > at > org.apache.hadoop.hbase.regionserver.CompactSplit.requestCompaction(CompactSplit.java:236) > at > org.apache.hadoop.hbase.regionserver.RSRpcServices.compactRegion(RSRpcServices.java:1591) > at > org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:26856) > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:406) > {code} > Seems to be a simple miss. StealJobQueue does not init the > PriorityBlockingQueue that it extends and so major compaction/compaction just > fails with the above stack trace. -- This message was sent by Atlassian JIRA (v6.4.14#64029)