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Posted to dev@lucene.apache.org by "Hoss Man (JIRA)" <ji...@apache.org> on 2018/02/16 00:04:09 UTC
[jira] [Assigned] (SOLR-11988) FullSolrCloudDistribCmdsTest
failures due to SolrCore initializating incorrectly thinking index
directory already exists?
[ https://issues.apache.org/jira/browse/SOLR-11988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hoss Man reassigned SOLR-11988:
-------------------------------
Assignee: Hoss Man
> FullSolrCloudDistribCmdsTest failures due to SolrCore initializating incorrectly thinking index directory already exists?
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-11988
> URL: https://issues.apache.org/jira/browse/SOLR-11988
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Hoss Man
> Assignee: Hoss Man
> Priority: Major
> Attachments: SOLR-11988.patch, SOLR-11988_nocommit_logging.patch, log.txt
>
>
> There's been quite a few jenkins failures from FullSolrCloudDistribCmdsTest that all seem to follow a similar pattern:
> * Failure manifests as "Could not find collection:collection2"
> * Failing seeds _frequently_ reproduce, but aren't guaranteed to
> * Root cause can be traced back to the collection creation failing because one of more replica cores failed due to the brand new (Solr)IndexWriter expects to find an existing segments file
> ** SolrCore should have already created an (empty) index in {{SolrCore.initIndex(...)}}
> ** The fact that the {{SolrIndexWrite}} throws this exception in it's constructor suggests that the earlier call to {{SolrCore.initIndex(...)}} is not functioning reliably
> ** Based on some experimenting i've done, it seems like the underlying problem is that in {{SolrCore.initIndex(...)}} the DirectoryFactory can "lie" about wether a directory already exists.
> More details to follow in comments.
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