MultiSearcher uses the given integer as the expected number of results and creates a hitqueue for it. Since you are asking for INT_MAX hits Lucene creates a hitQueue for either INT_MAX or maxDoc() documents and preallocates that memory. So in the worst case it creates an Object array with INTEGER_MAX elements - each taking 8 bytes as the object reference on a 64 bit VM - unless you have lots of heap space this will make your vm barf.
you should only specify the number of documents you really want no blindly get all of them. why your query returns 0 docs is a different question. simon On Tue, Dec 28, 2010 at 8:00 AM, Jawahar Lal <j...@chambal.com> wrote: > Hi, > > I am using multiSearcher as > > objMultiSearcher.search(query,null,Integer.MaxValue); > > I searched a query, which should & does not return any hit. As I run the > query, the above statement throw OutofMemory exception. I change the > Integer.MaxValue TO 100, then I again searched, it returned 0 hit. > > Why its thowing memory exception, even there is not hit found for the query > ? > > Thanks > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
