Return-Path: Delivered-To: apmail-hadoop-hbase-dev-archive@minotaur.apache.org Received: (qmail 75125 invoked from network); 30 Dec 2009 07:43:41 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 30 Dec 2009 07:43:41 -0000 Received: (qmail 33725 invoked by uid 500); 30 Dec 2009 07:43:41 -0000 Delivered-To: apmail-hadoop-hbase-dev-archive@hadoop.apache.org Received: (qmail 33641 invoked by uid 500); 30 Dec 2009 07:43:40 -0000 Mailing-List: contact hbase-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hbase-dev@hadoop.apache.org Delivered-To: mailing list hbase-dev@hadoop.apache.org Received: (qmail 33630 invoked by uid 99); 30 Dec 2009 07:43:40 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 30 Dec 2009 07:43:40 +0000 X-ASF-Spam-Status: No, hits=-10.5 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 30 Dec 2009 07:41:49 +0000 Received: from brutus.apache.org (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 66331234C045 for ; Tue, 29 Dec 2009 23:41:29 -0800 (PST) Message-ID: <820428595.1262158889402.JavaMail.jira@brutus.apache.org> Date: Wed, 30 Dec 2009 07:41:29 +0000 (UTC) From: "Jean-Daniel Cryans (JIRA)" To: hbase-dev@hadoop.apache.org Subject: [jira] Updated: (HBASE-2077) NullPointerException with an open scanner that expired causing an immediate region server shutdown In-Reply-To: <2088258541.1262156969416.JavaMail.jira@brutus.apache.org> 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-2077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jean-Daniel Cryans updated HBASE-2077: -------------------------------------- Resolution: Fixed Fix Version/s: 0.21.0 Assignee: Sam Pullara Hadoop Flags: [Reviewed] Status: Resolved (was: Patch Available) I ran the client test and it passes. Committed to branch and trunk. Made Sam a new contributor, thanks for the patch! > NullPointerException with an open scanner that expired causing an immediate region server shutdown > -------------------------------------------------------------------------------------------------- > > Key: HBASE-2077 > URL: https://issues.apache.org/jira/browse/HBASE-2077 > Project: Hadoop HBase > Issue Type: Bug > Components: regionserver > Affects Versions: 0.20.2 > Environment: Hadoop 0.20.0, Mac OS X, Java 6 > Reporter: Sam Pullara > Assignee: Sam Pullara > Fix For: 0.20.3, 0.21.0 > > Attachments: [Bug_HBASE-2077]_Fixes_a_very_rare_race_condition_between_lease_expiration_and_renewal.patch > > Original Estimate: 1h > Remaining Estimate: 1h > > 2009-12-29 18:05:55,432 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Scanner -4250070597157694417 lease expired > 2009-12-29 18:05:55,443 ERROR org.apache.hadoop.hbase.regionserver.HRegionServer: > java.lang.NullPointerException > at org.apache.hadoop.hbase.KeyValue$KVComparator.compare(KeyValue.java:1310) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:136) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:127) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:117) > at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:641) > at java.util.PriorityQueue.siftDown(PriorityQueue.java:612) > at java.util.PriorityQueue.poll(PriorityQueue.java:523) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:113) > at org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.nextInternal(HRegion.java:1776) > at org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.next(HRegion.java:1719) > at org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1944) > at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:648) > at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915) > 2009-12-29 18:05:55,446 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 7 on 55260, call next(-4250070597157694417, 10000) from 192.168.1.90:54011: error: java.io.IOException: java.lang.NullPointerException > java.io.IOException: java.lang.NullPointerException > at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:869) > at org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:859) > at org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1965) > at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:648) > at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915) > Caused by: java.lang.NullPointerException > at org.apache.hadoop.hbase.KeyValue$KVComparator.compare(KeyValue.java:1310) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:136) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:127) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:117) > at java.util.PriorityQueue.siftDownUsingComparator(PriorityQueue.java:641) > at java.util.PriorityQueue.siftDown(PriorityQueue.java:612) > at java.util.PriorityQueue.poll(PriorityQueue.java:523) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:113) > at org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.nextInternal(HRegion.java:1776) > at org.apache.hadoop.hbase.regionserver.HRegion$RegionScanner.next(HRegion.java:1719) > at org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1944) > ... 5 more > 2009-12-29 18:05:55,447 WARN org.apache.hadoop.ipc.HBaseServer: IPC Server Responder, call next(-4250070597157694417, 10000) from 192.168.1.90:54011: output error > 2009-12-29 18:05:55,448 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 7 on 55260 caught: java.nio.channels.ClosedChannelException > at sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:126) > at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:324) > at org.apache.hadoop.hbase.ipc.HBaseServer.channelWrite(HBaseServer.java:1125) > at org.apache.hadoop.hbase.ipc.HBaseServer$Responder.processResponse(HBaseServer.java:615) > at org.apache.hadoop.hbase.ipc.HBaseServer$Responder.doRespond(HBaseServer.java:679) > at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:943) > 2009-12-29 18:05:56,322 INFO org.apache.hadoop.ipc.HBaseServer: Stopping server on 55260 > 2009-12-29 18:05:56,322 INFO org.apache.hadoop.ipc.HBaseServer: Stopping IPC Server listener on 55260 -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.