star created HDFS-14439:
---------------------------

             Summary: FileNotFoundException thrown in TestEditLogRace when just 
add a setPermission operation
                 Key: HDFS-14439
                 URL: https://issues.apache.org/jira/browse/HDFS-14439
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: fs
            Reporter: star


In TestEditLogRace.Transactions#run, add following code between mkdirs and 
delete.

 
{panel}
fs.setPermission(dirnamePath, p);
{panel}
It will be like. 
{panel}
fs.mkdirs(dirnamePath);
*fs.setPermission(dirnamePath, p);*
fs.delete(dirnamePath, true);{panel}
then run test TestEditLogRace#testEditLogRolling, it will throw 
FileNotFoundException.
{code:java}
java.io.FileNotFoundException: cannot find /thr-291-dir-2

at 
org.apache.hadoop.hdfs.server.namenode.FSDirectory.resolveLastINode(FSDirectory.java:1524)
at 
org.apache.hadoop.hdfs.server.namenode.FSDirAttrOp.unprotectedSetPermission(FSDirAttrOp.java:264)
at 
org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.applyEditLogOp(FSEditLogLoader.java:656)
at 
org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:287)
at 
org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:182)
at 
org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:159)
at 
org.apache.hadoop.hdfs.server.namenode.TestEditLogRace.verifyEditLogs(TestEditLogRace.java:293)
at 
org.apache.hadoop.hdfs.server.namenode.TestEditLogRace.testEditLogRolling(TestEditLogRace.java:258)
{code}
It happens when verifing edit logs and finds the target dir does not exits. Any 
one could help figure out whether it makes sense or what makes it behaving that 
way?



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