Indexing email messages?

[Ashley Collins]

I'm using Lucene to index MIME messages and have a couple of questions.

1) What is the best way to handle keyword fields which are repeated? Like "recipient" for example.

At the moment I have a for loop doing

document.add(Field.Keyword("recipient", address));

But this seems to limit query results to messages that were sent to only the person I'm searching for...


Or, should I use Field.Text instead and write a custom analyzer which doesn't split email addresses. Then, store one field "recipients" which is a whitespace separated list of all the recipients?


2) I also store the sender in a keyword field, but searching isn't consistent. I can find some addresses, but not others. Where should I start looking for information to help with debugging?


3) Also, how do I make sure query terms that are for untokenized keyword fields don't get tokenized by QueryParse.parse()? I tried using the WhiteSpaceAnalyzer, but searching was still inconsistent.


Thanks in advance!
Ashley Collins





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