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https://issues.apache.org/jira/browse/CONNECTORS-588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13533732#comment-13533732
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Karl Wright commented on CONNECTORS-588:
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My recommendation is to post this information to the solr users list and see
what they make of it. I think if the ManifoldCFQParserPlugin is involved, it
is only obliquely. In other words, it might be simply helping Solr hurt
itself, and for that purpose any plugin will do, not merely ours.
> ManifoldCFQParser dead locking Solr Core loading.
> -------------------------------------------------
>
> Key: CONNECTORS-588
> URL: https://issues.apache.org/jira/browse/CONNECTORS-588
> Project: ManifoldCF
> Issue Type: Bug
> Components: Solr-4.x-component
> Affects Versions: ManifoldCF 1.0.1
> Environment: Solr 4.0 or Solr 4.0 BETA, ManifoldCF 1.0.1
> Reporter: Sampo Saarela
> Attachments: solrconfig.xml, td.log
>
>
> The exact requirements to reproduce the bug are not really clear but at least
> these are required:
> Some data in the Solr index with access tokens set. Seems easier to reproduce
> with at least 1000 documents in the index.
> Solr QueryParser enabled.
> Default warm up queries enabled in the SolrConfig.xml
> At the Solr Core loading when it tries to perform the warm up queries the
> loading dead locks.
> After this Solr is in dead lock and the admin interface is locked also.
> This can be worked around by enabling ColdStart from SolrConfig so the core
> does not try to warm itself up before all the init is done in the
> ManifoldCFQParser.
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