: After I removed manually it worked correctly and I've restarted a few times : since the "lost lock" was there... Isn't that lock removal on start-up : optional?
it is, it's controlled by the... <unlockOnStartup>false</unlockOnStartup> ...option in the mainIndex or indexDefaults section. : >> The main problem to me is that instead of having some failure : >> logging or : >> console information about it I just had those misleading information. are you sure you didn't get an error? I just tested this out by touching the write.lock file in solr/data/index, then started the server up, and on any attempt to add a document i got this in the Solr logs... SEVERE: org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: SimpleFSLock@/home/chrish/svn/solr/example/solr/data/index/write.lock ...and i got a status 500 HTTP response code to my client. -Hoss