I've seen this error (or similar) reported due to permissions errors. It's kind of a long shot but worth checking.....
See the discussion at: https://issues.apache.org/jira/browse/LUCENE-7959 Best, Erick On Sun, Sep 17, 2017 at 9:24 AM, Ode3 <richards...@gmail.com> wrote: > HI all - > > I think I am seeing something similar and I had just posted > https://issues.apache.org/jira/browse/SOLR-11361 a bit ago. > > Starters - on my test bed I decided to update from 6.2.1 to 6.6.1. All > seemed okay until I restart Solr and the Core would not load. Going to > 6.6.0 helped or at least the core would load but simlar hard errors are seen > - and I think "Lock held by this virtual machine" seem related? > > from my posting/last comment: > > > Me wrote >> I just went and grabbed Solr 6.6.0 and unpacked it. Then I copied my >> umslog core from 6.6.1 and ran the same tests. >> >> The problem that I am seeing in v6.6.1 does not appear to happen in v6.6.0 >> >> For the record, I am running from Windows Command Line just using the -p >> 8181 or 8282 argument. >> >> Is this because of this error > * >> Lock held by this virtual machine > * >> . After a bit of time Solr 6.6.0 had the same error but the Core was still >> operational. I stop 8181, move to port 8282 and there are no hard errors >> listed. I move back to 8181 and the error is back. Lastly I shut down Solr >> and just wait 30 minutes (perhaps more was not really counting) and 8181 >> comes up with no hard errors. > > > > > > -- > Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html
