On Mon, Jan 18, 2010 at 1:17 AM, Chris Hostetter <hossman_luc...@fucit.org> wrote: > : Right... for stock Solr usage (i.e. as long as they don't try to lock > : the same thing.) > : It is funny that native locks always work across different processes, > : but not always in the same JVM though. > > Actaully, the more i think about this the less i understand it ... why > don't native locks "work" within the same VM? ... and by "work" i mean why > didn't he just get a lock timeout error?
Within the same VM, you need the same FileChannel for some reason. Lucene uses a static hashmap so that multiple NativeFSLockFactory instances will end up using the same FileChannel for locking. But multiple webapps obviously breaks that. -Yonik http://www.lucidimagination.com
