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From "Jack Krupansky" <>
Subject Re: Best way to fix "Document contains at least one immense term"?
Date Tue, 01 Jul 2014 21:22:46 GMT
You could develop an update processor to skip or trim long terms as you see 
fit. You can even code a script in JavaScruipt using the stateless script 
update processor.

Can you tell us more about the nature of your data? I mean, sometimes 
analyzer filters strip or fold accented characters anyway, so count of 
characters versus UTF-8 bytes may be a non-problem.

-- Jack Krupansky

-----Original Message----- 
From: Michael Ryan
Sent: Tuesday, July 1, 2014 9:49 AM
Subject: Best way to fix "Document contains at least one immense term"?

In LUCENE-5472, Lucene was changed to throw an error if a term is too long, 
rather than just logging a message. I have fields with terms that are too 
long, but I don't care - I just want to ignore them and move on.

The recommended solution in the docs is to use LengthFilterFactory, but this 
limits the terms by the number of characters, rather than the number of 
UTF-8 bytes. So you can't just do something clever like set max=32766, due 
to the possibility of multibyte characters.

So, is there a way of using LengthFilterFactory to do this such that an 
error will never be thrown? Thinking I could use some max less than 32766 / 
3, but I want to be absolutely sure that there is not some edge case that is 
going to break. I guess I could just set it to something sane like 1000. Or 
is there another more direct solution to this problem?


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