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https://issues.apache.org/jira/browse/SOLR-4350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Senthuran Sivananthan updated SOLR-4350:
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Summary: Deleting the data directory on master and reindexing causes slaves
to be out of sync (if replication doesn't take place before a master instance
restart) (was: Deleting the data directory on master and reindexing causes
slaves to out of sync)
> Deleting the data directory on master and reindexing causes slaves to be out
> of sync (if replication doesn't take place before a master instance restart)
> ---------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-4350
> URL: https://issues.apache.org/jira/browse/SOLR-4350
> Project: Solr
> Issue Type: Bug
> Components: replication (java)
> Affects Versions: 4.1
> Environment: Windows
> Reporter: Senthuran Sivananthan
> Priority: Minor
> Labels: replication
>
> This issue occurs only when the data directory is deleted manually on the
> master instance.
> Here are the steps that I used to replicate the issue:
> Master - Shutdown
> Master - Delete Data Directory
> Slave - Replication triggers, but no connection to master, replicaiton fails
> Master - Start Up
> Master - Index all docs
> Master - Shutdown
> Master - Start Up
> Expected: Slave - Replication triggers, connected to master, new index
> replications, master & slave in sync
> Actual: Slave - Replication triggers, connected to master, error seen in the
> logs: "SEVERE: No files to download for index generation: 2"
> * Nothing will replicate even if master generation > slave generation
> Workaround:
> * Must trigger another commit on master after the restart
> * Replicates even if master generation < slave generation (and gets the
> generations in sync)
> * Replicates when master generation > slave generation
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