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https://issues.apache.org/jira/browse/SOLR-14630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17160863#comment-17160863
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David Smiley commented on SOLR-14630:
-------------------------------------
While I appreciate your code level diagnosis, I'm less then sure I understand
what the problem is in the first place. Can you please describe a series of
simple steps that illustrate a problem? And without pointing to Solr code to
show the problem; it should be externally observable if it's as serious as the
Jira issue title here suggests. It's not clear if the problem you describe
depends on use of the \_route_ param or not; if it's not needed then don't use
it in the reproduction steps. If documents are indexed in the "wrong" core, as
I think you say, then you could simply demonstrate an inconsistency in document
placement when the shards are located on the same server. \{{fl=id,[shard]}}
on a query tells you where the doc came from. If you confirm this with a
proposal numShards and docId then I'll "see" for myself.
> CloudSolrClient doesn't pick correct core when server contains more shards
> --------------------------------------------------------------------------
>
> Key: SOLR-14630
> URL: https://issues.apache.org/jira/browse/SOLR-14630
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud, SolrJ
> Affects Versions: 8.5.1, 8.5.2
> Reporter: Ivan Djurasevic
> Priority: Major
>
> Precondition: create collection with 4 shards on one server.
> During search and update, solr cloud client picks wrong core even _route_
> exists in query param. In BaseSolrClient class, method sendRequest,
>
> {code:java}
> sortedReplicas.forEach( replica -> {
> if (seenNodes.add(replica.getNodeName())) {
> theUrlList.add(ZkCoreNodeProps.getCoreUrl(replica.getBaseUrl(),
> joinedInputCollections));
> }
> });
> {code}
>
> Previous part of code adds base url(localhost:8983/solr/collection_name) to
> theUrlList, it doesn't create core address(localhost:8983/solr/core_name). If
> we change previous code to:
> {quote}
> {code:java}
> sortedReplicas.forEach(replica -> {
> if (seenNodes.add(replica.getNodeName())) {
> theUrlList.add(replica.getCoreUrl());
> }
> });{code}
> {quote}
> Solr cloud client picks core which is defined with _route_ parameter.
>
>
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