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Posted to dev@lucene.apache.org by "Jan Høydahl (Commented JIRA)" <ji...@apache.org> on 2012/02/29 12:15:57 UTC
[jira] [Commented] (SOLR-2326) Replication command indexversion
fails to return index version
[ https://issues.apache.org/jira/browse/SOLR-2326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13219102#comment-13219102 ]
Jan Høydahl commented on SOLR-2326:
-----------------------------------
We're seeing also the same here on a 3.5 master: {{indexversion}} command returns 0, while the {{details}} command shows correct versions. Have not verified that it's because of locking, but based on behaviour and code inspection I'm pretty sure we don't get a valid commitPoint. Tried optimize on master, and also multiple reload cores, but it does not help. A restart of master did not help either.
So seems we should clean up the locking in {{forceOpenWriter()}} to make sure we always have a valid commit point.
And should we get {{commitPoint == null}} it would be better to fetch versions from the {{getIndexVersion()}} method than returning 0 wouldn't it?
> Replication command indexversion fails to return index version
> --------------------------------------------------------------
>
> Key: SOLR-2326
> URL: https://issues.apache.org/jira/browse/SOLR-2326
> Project: Solr
> Issue Type: Bug
> Components: replication (java)
> Environment: Branch 3x latest
> Reporter: Eric Pugh
> Assignee: Mark Miller
> Fix For: 3.6, 4.0
>
>
> To test this, I took the /example/multicore/core0 solrconfig and added a simple replication handler:
> <requestHandler name="/replication" class="solr.ReplicationHandler" >
> <lst name="master">
> <str name="replicateAfter">commit</str>
> <str name="replicateAfter">startup</str>
> <str name="confFiles">schema.xml</str>
> </lst>
> </requestHandler>
> When I query the handler for details I get back the indexVersion that I expect: http://localhost:8983/solr/core0/replication?command=details&wt=json&indent=true
> But when I ask for just the indexVersion I get back a 0, which prevent the slaves from pulling updates: http://localhost:8983/solr/core0/replication?command=indexversion&wt=json&indent=true
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