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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-7345) listStatus for local files throws NPE instead of permission denied
Date Wed, 01 Jun 2011 00:24:47 GMT
listStatus for local files throws NPE instead of permission denied
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                 Key: HADOOP-7345
                 URL: https://issues.apache.org/jira/browse/HADOOP-7345
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs
    Affects Versions: 0.23.0
            Reporter: Daryn Sharp


Calling {{fs.listStatus}} on a local directory where the user does not have permissions generates
a {{NullPointerException}}:

{noformat}
Exception in thread "main" java.lang.NullPointerException
	at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:1115)
	at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:1150)
	at org.apache.hadoop.fs.ChecksumFileSystem.listStatus(ChecksumFileSystem.java:494)
{noformat}

FileSystem.java:
{code}
1111:  private void listStatus(ArrayList<FileStatus> results, Path f,
1112:      PathFilter filter) throws FileNotFoundException, IOException {
1113:    FileStatus listing[] = listStatus(f);
1114:
1115:    for (int i = 0; i < listing.length; i++) {
{code}

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