NullPointerException in ParallelMultiSearcher

2005-12-01 Thread Zhang, Lisheng
Hi, We are using lucene v1.4.3 for some time, in general it is working well. We often try to search multiple collections at the same time, so we are using ParallelMultiSearcher, but sometimes we got the following exception: java.lang.NullPointerException at org.apache.lucene.search

IO Error/Jira

2005-12-01 Thread Andy Hind
Hi I would like some pointers for causes of the following error, using lucene 1.4.3. I have not really got much to go on at the moment other then the error. (I am aware of the IBM JVM issue and would be surprise if this JVM is being used - but I do not have enough information to rule this

Re: Lucene + LSI

2005-12-01 Thread Paul Libbrecht
We're also thinking about implementing something similar to LSI within ActiveMath which is lucene-powered where both formulae and text searching would benefit of the latent-semantic-similarity. I've been refrained of doing "exactly this" at least since LSI is patented. This might also be a reas