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NIFI-3152: Ensure that we always close the IndexWriter when appropriate in SimpleIndexManager, even if an IOException is thrown when trying to commit the IndexWriter 

This closes #1300.

Signed-off-by: Bryan Bende <bbende@apache.org>
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Mark Payne 2016-12-05 14:30:57 -05:00 committed by Bryan Bende
parent 7633fe35c1
commit fc0d336f36
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1 changed files with 5 additions and 2 deletions
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nifi-nar-bundles/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/src/main/java/org/apache/nifi/provenance/lucene/SimpleIndexManager.java
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@ -158,8 +158,11 @@ public class SimpleIndexManager implements IndexManager {
} else if (count.getCount() <= 1) { } else if (count.getCount() <= 1) {
// we are finished with this writer. // we are finished with this writer.
logger.debug("Decrementing count for Index Writer for {} to {}; Closing writer", indexingDirectory, count.getCount() - 1); logger.debug("Decrementing count for Index Writer for {} to {}; Closing writer", indexingDirectory, count.getCount() - 1);
try {
writer.commit(); writer.commit();
} finally {
count.close(); count.close();
}
} else { } else {
// decrement the count. // decrement the count.
logger.debug("Decrementing count for Index Writer for {} to {}", indexingDirectory, count.getCount() - 1); logger.debug("Decrementing count for Index Writer for {} to {}", indexingDirectory, count.getCount() - 1);