test bug

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1590231 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6025: Replace mentions of CommonsHttpSolrServer with HttpSolrServer and StreamingUpdateSolrServer with ConcurrentUpdateSolrServer

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1590410 13f79535-47bb-0310-9956-ffa450edef68
when MDW fails to close because of a still-held lock, show the stack trace where the lock was obtained

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1590587 13f79535-47bb-0310-9956-ffa450edef68
add DocValuesProducer to the Set once for all fields

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1590659 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6029: CollapsingQParserPlugin throws ArrayIndexOutOfBoundsException if elevated doc has been deleted from a segment

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1590865 13f79535-47bb-0310-9956-ffa450edef68