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https://issues.apache.org/jira/browse/SOLR-8734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15167049#comment-15167049
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Shai Erera commented on SOLR-8734:
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Patch looks good. Even while working on the previous issue I thought that we
should be able to detect the existence of {{<mergeFactor>}} element in the
.xml, and not compare the value to the default. What happens if someone
includes both {{<mergePolicyFactory>}} and {{<mergeFactor>}} set to the default
value? Would we also fail?
> fix deprecation warnings for absent (maxMergeDocs|mergeFactor)
> --------------------------------------------------------------
>
> Key: SOLR-8734
> URL: https://issues.apache.org/jira/browse/SOLR-8734
> Project: Solr
> Issue Type: Bug
> Affects Versions: 5.5, master
> Reporter: Christine Poerschke
> Assignee: Christine Poerschke
> Attachments: SOLR-8734.patch, SOLR-8734.patch
>
>
> [~markus17] wrote on the solr-user mailing list:
> bq. 5.5.0 SOLR-8621 deprecation warnings without maxMergeDocs or mergeFactor
> ...
> bq. o.a.s.c.Config Beginning with Solr 5.5, <maxMergeDocs> is deprecated,
> configure it on the relevant <mergePolicyFactory> instead.
> ...
> bq. On my development machine for all cores. None of the cores has either
> parameter configured. Is this expected?
> ...
> [~cpoerschke] replied:
> ...
> bq. Could you advise if/that the solrconfig.xml has a <mergePolicy> element
> (for which deprecated warnings would appear separately) or that the
> solrconfig.xml has no <mergePolicyFactory> element?
> ...
> bq. If either is the case then yes based on the code
> (SolrIndexConfig.java#L153) the warnings would be expected-and-harmless
> though admittedly are confusing, and fixable.
> ...
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