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Hadoop QA commented on HDFS-5546: --------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12650918/HDFS-5546.2.002.patch against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 1 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. There were no new javadoc warning messages. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 1.3.9) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 core tests{color}. The patch passed unit tests in hadoop-common-project/hadoop-common. {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/7154//testReport/ Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/7154//console This message is automatically generated. > 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 > Fix For: 3.0.0 > > Attachments: HDFS-5546.1.patch, HDFS-5546.2.000.patch, > HDFS-5546.2.001.patch, HDFS-5546.2.002.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 (v6.2#6252)