Quoting Paul Elschot <[EMAIL PROTECTED]>: > On Sunday 03 July 2005 15:27, Dave Kor wrote: > > I have a system that automatically generate span queries to Lucene. > Sometimes, > > the system generates a query like this one which always throws a > > RuntimeException: > > > > spanNear([spanNear([text:interesting], 3, true), > spanNear([text:interesting, > > text:john, text:said], 8, true)], 2, true) > > > > Basically, the system is looking for a document that contains a string > sequence > > "interesting .... interesting john said". The thrown exception is as > follows: > > > > java.lang.RuntimeException: Unexpected: ordered > > at > > > org.apache.lucene.search.spans.NearSpans.firstNonOrderedNextToPartialList(Unknown > > Source) > > at org.apache.lucene.search.spans.NearSpans.next(Unknown Source) > > at org.apache.lucene.search.spans.SpanScorer.next(Unknown Source) > > at org.apache.lucene.search.Scorer.score(Unknown Source) > > at org.apache.lucene.search.IndexSearcher.search(Unknown Source) > > > > My question is, what does is this "Unexpected: ordered" mean? and is there > > anyway I can avoid these exceptions? > > It's an internal error that is not supposed to occur. > Could you continue on the java-dev list? > > SpanNearQuery is not supposed to operate on a single argument, at least > that's what I thought when I wrote the bug fix code that throws this > exception. Does the exception go away when you replace the first spanNear > (the one with the single [text:interesting] with a SpanTermQuery ? > > It's also possible that the code cannot handle the two identical > text:interesting arguments. > > It's probably good to have a test case for this. Could you extend the > exception with the document number and maybe a position within the > document to try and get to the original text that causes this exception, > and use that to file a bug report?
I'll see what I can do about the test case. From what I can tell thus far, this exception is thrown when CellQueue is empty in the function NearSpan.firstNonOrderedNextToPartialList(). I hope it rings a bell somewhere. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
