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Posted to mapreduce-issues@hadoop.apache.org by "Devaraj K (JIRA)" <ji...@apache.org> on 2011/03/04 15:06:38 UTC
[jira] Updated: (MAPREDUCE-2317) HadoopArchives throwing
NullPointerException while creating hadoop archives (.har files)
[ https://issues.apache.org/jira/browse/MAPREDUCE-2317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Devaraj K updated MAPREDUCE-2317:
---------------------------------
Attachment: MAPREDUCE-2317.patch
> HadoopArchives throwing NullPointerException while creating hadoop archives (.har files)
> ----------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2317
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2317
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: harchive
> Affects Versions: 0.20.1, 0.23.0
> Environment: windows
> Reporter: Devaraj K
> Priority: Minor
> Attachments: MAPREDUCE-2317.patch
>
>
> While we are trying to run hadoop archive tool in widows using this way, it is giving the below exception.
> java org.apache.hadoop.tools.HadoopArchives -archiveName temp.har D:/test/in E:/temp
> {code:xml}
> java.lang.NullPointerException
> at org.apache.hadoop.tools.HadoopArchives.writeTopLevelDirs(HadoopArchives.java:320)
> at org.apache.hadoop.tools.HadoopArchives.archive(HadoopArchives.java:386)
> at org.apache.hadoop.tools.HadoopArchives.run(HadoopArchives.java:725)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
> at org.apache.hadoop.tools.HadoopArchives.main(HadoopArchives.java:739)
> {code}
> I see the code flow to handle this feature in windows also,
> {code:title=Path.java|borderStyle=solid}
> /** Returns the parent of a path or null if at root. */
> public Path getParent() {
> String path = uri.getPath();
> int lastSlash = path.lastIndexOf('/');
> int start = hasWindowsDrive(path, true) ? 3 : 0;
> if ((path.length() == start) || // empty path
> (lastSlash == start && path.length() == start+1)) { // at root
> return null;
> }
> String parent;
> if (lastSlash==-1) {
> parent = CUR_DIR;
> } else {
> int end = hasWindowsDrive(path, true) ? 3 : 0;
> parent = path.substring(0, lastSlash==end?end+1:lastSlash);
> }
> return new Path(uri.getScheme(), uri.getAuthority(), parent);
> }
> {code}
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