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From "Shwetha G S (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FALCON-81) globStatus in feed retention fails in some cases
Date Tue, 13 Aug 2013 08:33:50 GMT
Shwetha G S created FALCON-81:
---------------------------------

             Summary: globStatus in feed retention fails in some cases
                 Key: FALCON-81
                 URL: https://issues.apache.org/jira/browse/FALCON-81
             Project: Falcon
          Issue Type: Bug
            Reporter: Shwetha G S


If the data path is  /data/${YEAR}/${MONTH}/${DAY}/${HOUR}/SomeData, feed eviction checks
for pattern /data/*/*/*/*/SomeData which should be directory. Glob status on this fails if
there is a file /data/2013/01/01/01/file:

Failing Oozie Launcher, Main class [org.apache.ivory.retention.FeedEvictor], main() threw
exception, org.apache.hadoop.security.AccessControlException: Permission denied: user=<user>,
access=EXECUTE, inode="/data/2013/01/01/01/file":<user>:supergroup:-rw-r--r--
org.apache.hadoop.security.AccessControlException: org.apache.hadoop.security.AccessControlException:
Permission denied: user=dataload, access=EXECUTE, inode="/data/meta/2013/06/19/23/dataseller_gen.csv":dataload:supergroup:-rw-r--r--
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:95)
	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:57)
	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:914)
	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:523)
	at org.apache.hadoop.fs.FileSystem.getFileStatus(FileSystem.java:1534)
	at org.apache.hadoop.fs.FileSystem.globStatusInternal(FileSystem.java:1096)
	at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1038)
	at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1016)
	at org.apache.ivory.retention.FeedEvictor.findFilesForFeed(FeedEvictor.java:204)
	at org.apache.ivory.retention.FeedEvictor.discoverInstanceToDelete(FeedEvictor.java:166)
	at org.apache.ivory.retention.FeedEvictor.run(FeedEvictor.java:112)

This is because of an issue in glob status. Feed evictor should search with pattern /data/*/*/*/*/*/{SomeData}

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