From yarn-issues-return-18018-apmail-hadoop-yarn-issues-archive=hadoop.apache.org@hadoop.apache.org Mon Nov 11 20:59:17 2013 Return-Path: X-Original-To: apmail-hadoop-yarn-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-yarn-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 C8F7110656 for ; Mon, 11 Nov 2013 20:59:17 +0000 (UTC) Received: (qmail 49345 invoked by uid 500); 11 Nov 2013 20:59:17 -0000 Delivered-To: apmail-hadoop-yarn-issues-archive@hadoop.apache.org Received: (qmail 49281 invoked by uid 500); 11 Nov 2013 20:59:17 -0000 Mailing-List: contact yarn-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: yarn-issues@hadoop.apache.org Delivered-To: mailing list yarn-issues@hadoop.apache.org Received: (qmail 49272 invoked by uid 99); 11 Nov 2013 20:59:17 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 11 Nov 2013 20:59:17 +0000 Date: Mon, 11 Nov 2013 20:59:17 +0000 (UTC) From: "Hudson (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (YARN-1395) Distributed shell application master launched with debug flag can hang waiting for external ls process. 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/YARN-1395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13819379#comment-13819379 ] Hudson commented on YARN-1395: ------------------------------ SUCCESS: Integrated in Hadoop-trunk-Commit #4714 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/4714/]) YARN-1395. Distributed shell application master launched with debug flag can hang waiting for external ls process. Contributed by Chris Nauroth. (cnauroth: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1540839) * /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt * /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java * /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDistributedShell.java > Distributed shell application master launched with debug flag can hang waiting for external ls process. > ------------------------------------------------------------------------------------------------------- > > Key: YARN-1395 > URL: https://issues.apache.org/jira/browse/YARN-1395 > Project: Hadoop YARN > Issue Type: Bug > Components: applications/distributed-shell > Affects Versions: 3.0.0, 2.2.0 > Reporter: Chris Nauroth > Assignee: Chris Nauroth > Attachments: YARN-1395.1.patch, YARN-1395.2.patch > > > Distributed shell launched with the debug flag will run {{ApplicationMaster#dumpOutDebugInfo}}. This method launches an external process to run ls and print the contents of the current working directory. We've seen that this can cause the application master to hang on {{Process#waitFor}}. -- This message was sent by Atlassian JIRA (v6.1#6144)