Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id EEF17CF28 for ; Fri, 26 Jul 2013 22:41:49 +0000 (UTC) Received: (qmail 13502 invoked by uid 500); 26 Jul 2013 22:41:49 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 13462 invoked by uid 500); 26 Jul 2013 22:41:49 -0000 Mailing-List: contact issues-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@hbase.apache.org Received: (qmail 13400 invoked by uid 99); 26 Jul 2013 22:41:49 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 26 Jul 2013 22:41:49 +0000 Date: Fri, 26 Jul 2013 22:41:49 +0000 (UTC) From: "stack (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HBASE-9044) Merging regions throws NPE MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HBASE-9044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13721319#comment-13721319 ] stack commented on HBASE-9044: ------------------------------ +1 I think your patch is missing the new class. Fix on commit. > Merging regions throws NPE > -------------------------- > > Key: HBASE-9044 > URL: https://issues.apache.org/jira/browse/HBASE-9044 > Project: HBase > Issue Type: Bug > Reporter: Jimmy Xiang > Assignee: Jimmy Xiang > Fix For: 0.98.0, 0.95.2 > > Attachments: trunk-9044.patch, trunk-9044_v2.patch > > > {noformat} > hbase(main):003:0> merge_region '92ade79eb3ac390b09e2b19c74b56dad', '92ade79eb3ac390b09e2b19c74b56dad' > 2013-07-25 13:21:23,991 ERROR [main] client.HBaseAdmin: Unexpected exception: com.google.protobuf.ServiceException: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(java.lang.NullPointerException): java.lang.NullPointerException > at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2108) > at org.apache.hadoop.hbase.ipc.RpcServer$CallRunner.run(RpcServer.java:1809) > at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:165) > at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$000(SimpleRpcScheduler.java:41) > at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler$1.run(SimpleRpcScheduler.java:113) > at java.lang.Thread.run(Thread.java:662) > from calling HMaster.dispatchMergingRegions > 0 row(s) in 0.0160 seconds > {noformat} > I also saw the following in the master log: > {noformat} > 2013-07-25 13:25:12,683 ERROR [MASTER_TABLE_OPERATIONS-a1220:36000-0] executor.EventHandler: Caught throwable while processing event C_M_MERGE_REGION > java.lang.NullPointerException > at org.apache.hadoop.hbase.master.handler.DispatchMergingRegionHandler.process(DispatchMergingRegionHandler.java:104) > at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:130) > at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > {noformat} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira