Matthew Biscocho created SOLR-18114:
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Summary: 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
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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