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From "Milos Kleint (JIRA)" <j...@codehaus.org>
Subject [jira] (MINDEXER-63) NullPointerException at org.apache.maven.index.context.DefaultIndexingContext.acquireIndexSearcher
Date Mon, 15 Oct 2012 07:58:36 GMT
Milos Kleint created MINDEXER-63:
------------------------------------

             Summary: NullPointerException at org.apache.maven.index.context.DefaultIndexingContext.acquireIndexSearcher
                 Key: MINDEXER-63
                 URL: https://jira.codehaus.org/browse/MINDEXER-63
             Project: Maven Indexer
          Issue Type: Bug
    Affects Versions: 5.0.0
         Environment: netbeans 7.3 dev builds.
            Reporter: Milos Kleint
            Priority: Critical


see issue http://netbeans.org/bugzilla/show_bug.cgi?id=219645

for some reason (unknown to me yet) the index files cannot be deleted. The codebase then gets
into bad state.

possibly wrong code in DefaultIndexingContext:

public synchronized void replace( Directory directory )
        throws IOException
    {
        final Date ts = IndexUtils.getTimestamp( directory );
        closeReaders();
        deleteIndexFiles( false );
        IndexUtils.copyDirectory( directory, indexDirectory );
        openAndWarmup();
        // reclaim the index as mine
        storeDescriptor();
        updateTimestamp( true, ts );
        optimize();
    }

when deleteIndexFiles(0 fails, openAndWarmup() is not called. also closeReaders() ignores
indexWriter..

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