[
https://issues.apache.org/jira/browse/SOLR-7836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14681889#comment-14681889
]
Mark Miller commented on SOLR-7836:
-----------------------------------
Still trying to duplicate a hang with the above patch removed, but one strange
thing I had to work around because the test kept failing relatively quickly for
me (JVM bug?):
{code}
Index: solr/core/src/java/org/apache/solr/core/SolrCore.java
===================================================================
--- solr/core/src/java/org/apache/solr/core/SolrCore.java (revision
1695180)
+++ solr/core/src/java/org/apache/solr/core/SolrCore.java (working copy)
@@ -1639,7 +1639,9 @@
tmp = new SolrIndexSearcher(this, newIndexDir, getLatestSchema(),
(realtime ? "realtime":"main"), newReader, true, !realtime,
true, directoryFactory);
} else {
- RefCounted<IndexWriter> writer =
getUpdateHandler().getSolrCoreState().getIndexWriter(this);
+ // when this was getUpdateHandler#getSolrCoreState it could hit an
NPE somehow,
+ // even though variables are all final
+ RefCounted<IndexWriter> writer = solrCoreState.getIndexWriter(this);
DirectoryReader newReader = null;
try {
newReader = indexReaderFactory.newReader(writer.get(), this);
{code}
> Possible deadlock when closing refcounted index writers.
> --------------------------------------------------------
>
> Key: SOLR-7836
> URL: https://issues.apache.org/jira/browse/SOLR-7836
> Project: Solr
> Issue Type: Bug
> Reporter: Erick Erickson
> Assignee: Erick Erickson
> Fix For: Trunk, 5.4
>
> Attachments: SOLR-7836-synch.patch, SOLR-7836.patch, SOLR-7836.patch,
> SOLR-7836.patch
>
>
> Preliminary patch for what looks like a possible race condition between
> writerFree and pauseWriter in DefaultSorlCoreState.
> Looking for comments and/or why I'm completely missing the boat.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
