Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 0ECC017827 for ; Wed, 6 May 2015 03:32:26 +0000 (UTC) Received: (qmail 53409 invoked by uid 500); 6 May 2015 03:32:25 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 53362 invoked by uid 500); 6 May 2015 03:32:25 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 53349 invoked by uid 99); 6 May 2015 03:32:25 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 06 May 2015 03:32:25 +0000 Date: Wed, 6 May 2015 03:32:25 +0000 (UTC) From: "Allen Wittenauer (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-8113) NullPointerException in BlockInfoContiguous causes block report failure 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/HDFS-8113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Allen Wittenauer updated HDFS-8113: ----------------------------------- Labels: BB2015-05-TBR (was: ) > NullPointerException in BlockInfoContiguous causes block report failure > ----------------------------------------------------------------------- > > Key: HDFS-8113 > URL: https://issues.apache.org/jira/browse/HDFS-8113 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 2.6.0 > Reporter: Chengbing Liu > Assignee: Chengbing Liu > Labels: BB2015-05-TBR > Attachments: HDFS-8113.02.patch, HDFS-8113.patch > > > The following copy constructor can throw NullPointerException if {{bc}} is null. > {code} > protected BlockInfoContiguous(BlockInfoContiguous from) { > this(from, from.bc.getBlockReplication()); > this.bc = from.bc; > } > {code} > We have observed that some DataNodes keeps failing doing block reports with NameNode. The stacktrace is as follows. Though we are not using the latest version, the problem still exists. > {quote} > 2015-03-08 19:28:13,442 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: RemoteException in offerService > org.apache.hadoop.ipc.RemoteException(java.lang.NullPointerException): java.lang.NullPointerException > at org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo.(BlockInfo.java:80) > at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager$BlockToMarkCorrupt.(BlockManager.java:1696) > at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.checkReplicaCorrupt(BlockManager.java:2185) > at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReportedBlock(BlockManager.java:2047) > at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.reportDiff(BlockManager.java:1950) > at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReport(BlockManager.java:1823) > at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReport(BlockManager.java:1750) > at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.blockReport(NameNodeRpcServer.java:1069) > at org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB.blockReport(DatanodeProtocolServerSideTranslatorPB.java:152) > at org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos$DatanodeProtocolService$2.callBlockingMethod(DatanodeProtocolProtos.java:26382) > at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:587) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1026) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2013) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2009) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1623) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2007) > {quote} -- This message was sent by Atlassian JIRA (v6.3.4#6332)