[MRM-1264] don't close the indexing context - that is done by the finish task that was added. Since they are queued, it was being closed too early.
archiva/trunk/archiva-modules/archiva-base/archiva-consumers/archiva-lucene-consumers/src/main/java/org/apache/archiva/consumers/lucene/LuceneCleanupRemoveIndexedConsumer.java