Return-Path: X-Original-To: apmail-tez-issues-archive@minotaur.apache.org Delivered-To: apmail-tez-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 635E810F52 for ; Thu, 1 Aug 2013 05:44:17 +0000 (UTC) Received: (qmail 10341 invoked by uid 500); 1 Aug 2013 05:44:17 -0000 Delivered-To: apmail-tez-issues-archive@tez.apache.org Received: (qmail 10269 invoked by uid 500); 1 Aug 2013 05:44:14 -0000 Mailing-List: contact issues-help@tez.incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@tez.incubator.apache.org Delivered-To: mailing list issues@tez.incubator.apache.org Received: (qmail 10254 invoked by uid 99); 1 Aug 2013 05:44:13 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 01 Aug 2013 05:44:13 +0000 X-ASF-Spam-Status: No, hits=-2001.5 required=5.0 tests=ALL_TRUSTED,RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.3] (HELO mail.apache.org) (140.211.11.3) by apache.org (qpsmtpd/0.29) with SMTP; Thu, 01 Aug 2013 05:44:10 +0000 Received: (qmail 7964 invoked by uid 99); 1 Aug 2013 05:43:48 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 01 Aug 2013 05:43:48 +0000 Date: Thu, 1 Aug 2013 05:43:48 +0000 (UTC) From: "jiang jie (JIRA)" To: issues@tez.incubator.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (TEZ-327) AM failed to start due to an error starting the DAGClientServer MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/TEZ-327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13726061#comment-13726061 ] jiang jie commented on TEZ-327: ------------------------------- It happened really rarely. I never encounter this issue in the production environment(Linux 2.6.16 +jdk1/6/0_37). Do we still need fix the failure by adding -Dsun.nio.ch.bugLevel="" . > AM failed to start due to an error starting the DAGClientServer > --------------------------------------------------------------- > > Key: TEZ-327 > URL: https://issues.apache.org/jira/browse/TEZ-327 > Project: Apache Tez > Issue Type: Bug > Reporter: Siddharth Seth > Priority: Critical > Labels: TEZ-0.2.0 > Attachments: syslog > > > Stack trace. Will upload the entire AM log as well. > {code} > 2013-07-30 13:32:08,542 ERROR [ServiceThread:DAGClientRPCServer] org.apache.tez.dag.api.client.DAGClientServer: Failed to start DAGClientServer: > java.lang.NullPointerException > at sun.nio.ch.Util.atBugLevel(Util.java:448) > at sun.nio.ch.SelectorImpl.(SelectorImpl.java:40) > at sun.nio.ch.KQueueSelectorImpl.(KQueueSelectorImpl.java:46) > at sun.nio.ch.KQueueSelectorProvider.openSelector(KQueueSelectorProvider.java:20) > at java.nio.channels.Selector.open(Selector.java:209) > at org.apache.hadoop.ipc.Server$Listener.(Server.java:539) > at org.apache.hadoop.ipc.Server.(Server.java:2197) > at org.apache.hadoop.ipc.RPC$Server.(RPC.java:901) > at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.(ProtobufRpcEngine.java:505) > at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:480) > at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:746) > at org.apache.tez.dag.api.client.DAGClientServer.createServer(DAGClientServer.java:97) > at org.apache.tez.dag.api.client.DAGClientServer.serviceStart(DAGClientServer.java:71) > at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193) > at org.apache.tez.dag.app.DAGAppMaster$ServiceWithDependency.start(DAGAppMaster.java:924) > at org.apache.tez.dag.app.DAGAppMaster$ServiceThread.run(DAGAppMaster.java:942) > 2013-07-30 13:32:08,542 DEBUG [ServiceThread:DAGClientRPCServer] org.apache.hadoop.service.AbstractService: noteFailure org.apache.tez.dag.api.TezUncheckedException: java.lang.NullPointerException > 2013-07-30 13:32:08,542 INFO [ServiceThread:DAGClientRPCServer] org.apache.hadoop.service.AbstractService: Service DAGClientRPCServer failed in state STARTED; cause: org.apache.tez.dag.api.TezUncheckedExc > org.apache.tez.dag.api.TezUncheckedException: java.lang.NullPointerException > at org.apache.tez.dag.api.client.DAGClientServer.serviceStart(DAGClientServer.java:78) > at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193) > at org.apache.tez.dag.app.DAGAppMaster$ServiceWithDependency.start(DAGAppMaster.java:924) > at org.apache.tez.dag.app.DAGAppMaster$ServiceThread.run(DAGAppMaster.java:942) > Caused by: java.lang.NullPointerException > at sun.nio.ch.Util.atBugLevel(Util.java:448) > at sun.nio.ch.SelectorImpl.(SelectorImpl.java:40) > at sun.nio.ch.KQueueSelectorImpl.(KQueueSelectorImpl.java:46) > at sun.nio.ch.KQueueSelectorProvider.openSelector(KQueueSelectorProvider.java:20) > at java.nio.channels.Selector.open(Selector.java:209) > at org.apache.hadoop.ipc.Server$Listener.(Server.java:539) > at org.apache.hadoop.ipc.Server.(Server.java:2197) > at org.apache.hadoop.ipc.RPC$Server.(RPC.java:901) > at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.(ProtobufRpcEngine.java:505) > at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:480) > at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:746) > at org.apache.tez.dag.api.client.DAGClientServer.createServer(DAGClientServer.java:97) > at org.apache.tez.dag.api.client.DAGClientServer.serviceStart(DAGClientServer.java:71) > ... 3 more > {code} -- This message is automatically generated by JIRA. 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