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 1E08717DE2 for ; Sun, 12 Jul 2015 01:48:05 +0000 (UTC) Received: (qmail 68324 invoked by uid 500); 12 Jul 2015 01:48:04 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 68266 invoked by uid 500); 12 Jul 2015 01:48:04 -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 68249 invoked by uid 99); 12 Jul 2015 01:48:04 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 12 Jul 2015 01:48:04 +0000 Date: Sun, 12 Jul 2015 01:48:04 +0000 (UTC) From: "Lei (Eddy) Xu (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-5546) race condition crashes "hadoop ls -R" when directories are moved/removed 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-5546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Lei (Eddy) Xu updated HDFS-5546: -------------------------------- Resolution: Not A Problem Status: Resolved (was: Patch Available) > race condition crashes "hadoop ls -R" when directories are moved/removed > ------------------------------------------------------------------------ > > Key: HDFS-5546 > URL: https://issues.apache.org/jira/browse/HDFS-5546 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 2.2.0 > Reporter: Colin Patrick McCabe > Assignee: Lei (Eddy) Xu > Priority: Minor > Labels: BB2015-05-TBR > Attachments: HDFS-5546.1.patch, HDFS-5546.2.000.patch, HDFS-5546.2.001.patch, HDFS-5546.2.002.patch, HDFS-5546.2.003.patch, HDFS-5546.2.004.patch > > > This seems to be a rare race condition where we have a sequence of events like this: > 1. org.apache.hadoop.shell.Ls calls DFS#getFileStatus on directory D. > 2. someone deletes or moves directory D > 3. org.apache.hadoop.shell.Ls calls PathData#getDirectoryContents(D), which calls DFS#listStatus(D). This throws FileNotFoundException. > 4. ls command terminates with FNF -- This message was sent by Atlassian JIRA (v6.3.4#6332)