Return-Path: Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: (qmail 7385 invoked from network); 11 Nov 2010 01:13:07 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 11 Nov 2010 01:13:07 -0000 Received: (qmail 32855 invoked by uid 500); 11 Nov 2010 01:13:35 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 32816 invoked by uid 500); 11 Nov 2010 01:13:35 -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 32731 invoked by uid 99); 11 Nov 2010 01:13:35 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 11 Nov 2010 01:13:35 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.22] (HELO thor.apache.org) (140.211.11.22) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 11 Nov 2010 01:13:34 +0000 Received: from thor (localhost [127.0.0.1]) by thor.apache.org (8.13.8+Sun/8.13.8) with ESMTP id oAB1DEYb021733 for ; Thu, 11 Nov 2010 01:13:14 GMT Message-ID: <33547245.18661289437994493.JavaMail.jira@thor> Date: Wed, 10 Nov 2010 20:13:14 -0500 (EST) From: "Jean-Daniel Cryans (JIRA)" To: issues@hbase.apache.org Subject: [jira] Commented: (HBASE-3224) NPE in KeyValue$KVComparator.compare when compacting In-Reply-To: <31032394.18591289437273576.JavaMail.jira@thor> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HBASE-3224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12930875#action_12930875 ] Jean-Daniel Cryans commented on HBASE-3224: ------------------------------------------- IMO this issue is maybe even a blocker, I have two regions in that setup that can't split because the compactions are failing. > NPE in KeyValue$KVComparator.compare when compacting > ---------------------------------------------------- > > Key: HBASE-3224 > URL: https://issues.apache.org/jira/browse/HBASE-3224 > Project: HBase > Issue Type: Bug > Reporter: Jean-Daniel Cryans > Priority: Critical > Fix For: 0.90.0 > > > While testing normal insertion via PE, I got this recurrent NPE coming out of KeyValue$KVComparator.compare while it's compacting. So far I saw 2 different stack traces: > {noformat} > java.lang.NullPointerException > at org.apache.hadoop.hbase.KeyValue$KVComparator.compare(KeyValue.java:1356) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap.reseek(KeyValueHeap.java:250) > at org.apache.hadoop.hbase.regionserver.StoreScanner.reseek(StoreScanner.java:385) > at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:291) > at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:324) > at org.apache.hadoop.hbase.regionserver.Store.compact(Store.java:926) > at org.apache.hadoop.hbase.regionserver.Store.compact(Store.java:734) > {noformat} > {noformat} > java.lang.NullPointerException > at org.apache.hadoop.hbase.KeyValue$KVComparator.compare(KeyValue.java:1356) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:180) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:156) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap$KVScannerComparator.compare(KeyValueHeap.java:146) > at java.util.PriorityQueue.siftUpUsingComparator(PriorityQueue.java:594) > at java.util.PriorityQueue.siftUp(PriorityQueue.java:572) > at java.util.PriorityQueue.offer(PriorityQueue.java:274) > at java.util.PriorityQueue.add(PriorityQueue.java:251) > at org.apache.hadoop.hbase.regionserver.KeyValueHeap.reseek(KeyValueHeap.java:258) > at org.apache.hadoop.hbase.regionserver.StoreScanner.reseek(StoreScanner.java:385) > at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:291) > at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:324) > at org.apache.hadoop.hbase.regionserver.Store.compact(Store.java:926) > at org.apache.hadoop.hbase.regionserver.Store.compact(Store.java:734) > {noformat} -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.