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https://issues.apache.org/jira/browse/SOLR-18114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18068493#comment-18068493
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ASF subversion and git services commented on SOLR-18114:
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Commit 8299ae01ac2573f692290c3dd7a500c37fd62ebf in solr's branch
refs/heads/branch_10x from Matthew Biscocho
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=8299ae01ac2 ]
[SOLR-18114] CloudSolrClient fails deleteById with directUpdatesToLeadersOnly
but no route passed (#4219)
Fixed a bug where CloudSolrClient throws an exception when deleteById is sent a
to collection that has router field configured and has
directUpdatesToLeadersOnly=true but is sent without routing info. Also added a
log.warn when request is sent but no routing info is passed causing request to
be sent in the general unoptimized route.
> CloudSolrClient fails deleteById with directUpdatesToLeadersOnly but no route
> passed
> ------------------------------------------------------------------------------------
>
> Key: SOLR-18114
> URL: https://issues.apache.org/jira/browse/SOLR-18114
> Project: Solr
> Issue Type: Bug
> Components: SolrJ
> Reporter: Matthew Biscocho
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> CloudSolrClient will fail with the error "directUpdatesToLeadersOnly==true
> but could not find leader(s)" when a collections has router.name=compositeId
> and router.field configured and CloudSolrClient has
> sendDirectUpdatesToShardLeadersOnly= true.
>
> [This
> method|https://github.com/apache/solr/blob/a330e81bd58338ffe464ff058bb67c4bf32e2d00/solr/solrj/src/java/org/apache/solr/client/solrj/impl/CloudSolrClient.java#L1812]
> does not check if the deleteById map has routing info when it doesn't and so
> this method return true thinking that the info does exist. So when
> directUpdatesToLeadersOnly=true, this causes the SERVICE_UNAVAILABLE
> exception. The deleteById should fallback on the general unoptimized path to
> complete the deleteById request instead of failing at the client side
> outright.
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