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From "Ryan Holliday (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-674) Error in FSDirectory if java.io.tmpdir incorrectly specified
Date Wed, 20 Sep 2006 20:49:58 GMT
Error in FSDirectory if java.io.tmpdir incorrectly specified
------------------------------------------------------------

                 Key: LUCENE-674
                 URL: http://issues.apache.org/jira/browse/LUCENE-674
             Project: Lucene - Java
          Issue Type: Bug
          Components: Store
    Affects Versions: 2.0.0
         Environment: Reported on a Linux system under Tomcat
            Reporter: Ryan Holliday


A user of the JAMWiki project (http://jamwiki.org/) reported an error with the following stack
trace:

SEVERE: Unable to create search instance /usr/share/tomcat5/webapps/jamwiki-0.3.4-beta7/test/base/search/indexen
java.io.IOException: Cannot create directory: /temp
        at org.apache.lucene.store.FSDirectory.init(FSDirectory.java:171)
        at org.apache.lucene.store.FSDirectory.getDirectory(FSDirectory.java:141)
        at org.apache.lucene.store.FSDirectory.getDirectory(FSDirectory.java:117)
        at org.jamwiki.search.LuceneSearchEngine.getSearchIndexPath(LuceneSearchEngine.java:318)

The culprit is that the java.io.tmpdir property was incorrectly specified on the user's system.
 Lucene could easily handle this issue by modifying the FSDirectory.init() method.  Currently
the code uses the index directory if java.io.tmpdir and org.apache.lucene.lockDir are unspecified,
but it could use that directory if those values are unspecified OR if they are invalid.  Doing
so would make Lucene a bit more robust without breaking any existing installations.


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