"Directory was previously created with a different LockFactory" when open, 
close, delete a repository in a loop
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                 Key: JCR-1879
                 URL: https://issues.apache.org/jira/browse/JCR-1879
             Project: Jackrabbit
          Issue Type: Bug
          Components: jackrabbit-core
         Environment: Mac OS X
            Reporter: Thomas Mueller
            Priority: Minor


Opening a TransientRepository in a loop throws the exception "Directory was 
previously created with a different LockFactory instance".

Test case:

for (int i = 0; i < 3; i++) {
        FileUtils.deleteDirectory(new File("repository"));
        Repository rep = new TransientRepository();
        Session session = rep.login(new SimpleCredentials("", new char[0]));
        session.logout();
}

The problem seems to be that org.apache.lucene.store.FSDirectory.DIRECTORIES is 
not cleared (FSDirectory.close() is not called?).

Stack trace:

Exception in thread "main" javax.jcr.RepositoryException: Directory was 
previously created with a different LockFactory instance; please pass null as 
the lockFactory instance and use setLockFactory to change it: Directory was 
previously created with a different LockFactory instance; please pass null as 
the lockFactory instance and use setLockFactory to change it: Directory was 
previously created with a different LockFactory instance; please pass null as 
the lockFactory instance and use setLockFactory to change it
        at 
org.apache.jackrabbit.core.SearchManager.initializeQueryHandler(SearchManager.java:555)
        at 
org.apache.jackrabbit.core.SearchManager.<init>(SearchManager.java:239)
        at 
org.apache.jackrabbit.core.RepositoryImpl.getSystemSearchManager(RepositoryImpl.java:688)
        at 
org.apache.jackrabbit.core.RepositoryImpl.access$3(RepositoryImpl.java:681)
        at 
org.apache.jackrabbit.core.RepositoryImpl$WorkspaceInfo.getSearchManager(RepositoryImpl.java:1780)
        at 
org.apache.jackrabbit.core.RepositoryImpl.initWorkspace(RepositoryImpl.java:667)
        at 
org.apache.jackrabbit.core.RepositoryImpl.initStartupWorkspaces(RepositoryImpl.java:480)
        at 
org.apache.jackrabbit.core.RepositoryImpl.<init>(RepositoryImpl.java:321)
        at 
org.apache.jackrabbit.core.RepositoryImpl.create(RepositoryImpl.java:618)
        at 
org.apache.jackrabbit.core.TransientRepository$2.getRepository(TransientRepository.java:241)
        at 
org.apache.jackrabbit.core.TransientRepository.startRepository(TransientRepository.java:261)
Caused by: java.io.IOException: Directory was previously created with a 
different LockFactory instance; please pass null as the lockFactory instance 
and use setLockFactory to change it
        at 
org.apache.lucene.store.FSDirectory.getDirectory(FSDirectory.java:192)
        at 
org.apache.jackrabbit.core.query.lucene.directory.FSDirectoryManager.getDirectory(FSDirectoryManager.java:64)
        at 
org.apache.jackrabbit.core.query.lucene.MultiIndex.<init>(MultiIndex.java:227)
        at 
org.apache.jackrabbit.core.query.lucene.SearchIndex.doInit(SearchIndex.java:477)
        at 
org.apache.jackrabbit.core.query.AbstractQueryHandler.init(AbstractQueryHandler.java:59)


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