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https://issues.apache.org/jira/browse/SOLR-5931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13955475#comment-13955475
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Gary Yue commented on SOLR-5931:
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Is there a good workaround in the meantime?
We need a quick way to switch master URL on individual the slaves in case of
site issues. Updating solrconfig.xml directly for particular slave doesn't work
well because the change will get overwritten on each replication (unless we
change this in master's solrconfig as well)
Also, looks like i can't even call "CREATE" with the new property b/c starting
in solr 4.3+, it will return throw an error and ask you to call "RELOAD"
instead. (where as in solr3.x this i s essentially doing a RELOAD with new
properties)
thx!
> solrcore.properties is not reloaded when core is reloaded
> ---------------------------------------------------------
>
> Key: SOLR-5931
> URL: https://issues.apache.org/jira/browse/SOLR-5931
> Project: Solr
> Issue Type: Bug
> Components: multicore
> Affects Versions: 4.7
> Reporter: Gunnlaugur Thor Briem
> Assignee: Shalin Shekhar Mangar
> Priority: Minor
>
> When I change solrcore.properties for a core, and then reload the core, the
> previous values of the properties in that file are still in effect. If I
> *unload* the core and then add it back, in the “Core Admin” section of the
> admin UI, then the changes in solrcore.properties do take effect.
> My specific test case is a DataImportHandler where {{db-data-config.xml}}
> uses a property to decide which DB host to talk to:
> {code:xml}
> <dataSource driver="org.postgresql.Driver" name="meta"
> url="jdbc:postgresql://${dbhost}/${solr.core.name}" .../>
> {code}
> When I change that {{dbhost}} property in {{solrcore.properties}} and reload
> the core, the next dataimport operation still connects to the previous DB
> host. Reloading the dataimport config does not help. I have to unload the
> core (or fully restart the whole Solr) for the properties change to take
> effect.
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