StackOverflow Error when using mahout lucene.vector
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Key: MAHOUT-951
URL: https://issues.apache.org/jira/browse/MAHOUT-951
Project: Mahout
Issue Type: Bug
Components: Integration
Affects Versions: 0.6
Environment: presumably would occur on any platform given the same
data.
Reporter: Paul Rudin
Running mahout lucene.vector can result in a java StackOverFlowError.
I think this is probably because the current implementation of
LuceneIterator.computeNext() is recursive and with appropriate data the stack
becomes too large. The recursion only occurs when you hit a document that
doesn't have termvectors in the specified field - so you need a lucene.index
with lots of documents lacking such in order to hit this problem.
I've made minimal changes to convert to a loop rather than recurse and I'll
attach a patch to this ticket.
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