Re-posting. Anyone has any idea about this question? Thanks. Steve
On Mon, Mar 7, 2016 at 5:15 PM, Steven White <swhite4...@gmail.com> wrote: > Hi folks, > > In Solr's solr-8983-console.log I see the following (about 50 in a span of > 24 hours when index is on going): > > WARNING: Couldn't flush user prefs: > java.util.prefs.BackingStoreException: Couldn't get file lock. > > What does it mean? Should I wary about it? > > What about this one: > > 118316292 [qtp114794915-39] ERROR org.apache.solr.core.SolrCore [ > test_idx] ? java.lang.IllegalStateException: file: > MMapDirectory@/b/vin291f1/vol/vin291f1v3/idx/solr_index/test/data/index > lockFactory=org.apache.lucene.store.NativeFSLockFactory@169f6ad3 appears > both in delegate and in cache: cache=[_2omj.fnm, _2omg_Lucene50_0.doc, > ........ _2omg.nvm],delegate=[write.lock, _1wuk.si, ........ segments_2b] > at > org.apache.lucene.store.NRTCachingDirectory.listAll(NRTCachingDirectory.java:103) > > What does it mean? > > I _think_ the error log is due to the NAS drive being disconnected before > shutting down Solr, but I need a Solr expect to confirm. > > Unfortunately, I cannot find anything in solr.log files regarding this > because those files have rotated. > > Thanks in advanced. > > Steve >