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https://issues.apache.org/jira/browse/SOLR-14317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17060597#comment-17060597
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Lyle commented on SOLR-14317:
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Hi [~ichattopadhyaya], Can you please help review attached patch? I will add
more patch for branch_8x and branch_7_7 if this patch has no issue.
> HttpClusterStateProvider throws exception when only one node down
> -----------------------------------------------------------------
>
> Key: SOLR-14317
> URL: https://issues.apache.org/jira/browse/SOLR-14317
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrJ
> Affects Versions: 7.7.1, 7.7.2
> Reporter: Lyle
> Assignee: Ishan Chattopadhyaya
> Priority: Major
> Attachments: SOLR-14317.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When create a CloudSolrClient with solrUrls, if the first url in the solrUrls
> list is invalid or server is down, it will throw exception directly rather
> than try remaining url.
> In
> [https://github.com/apache/lucene-solr/blob/branch_7_7/solr/solrj/src/java/org/apache/solr/client/solrj/impl/HttpClusterStateProvider.java#L65],
> if fetchLiveNodes(initialClient) have any IOException, in
> [https://github.com/apache/lucene-solr/blob/branch_7_7/solr/solrj/src/java/org/apache/solr/client/solrj/impl/HttpSolrClient.java#L648],
> exceptions will be caught and throw SolrServerException to the upper caller,
> while no IOExceptioin will be caught in
> HttpClusterStateProvider.fetchLiveNodes(HttpClusterStateProvider.java:200).
> The SolrServerException should be caught as well in
> [https://github.com/apache/lucene-solr/blob/branch_7_7/solr/solrj/src/java/org/apache/solr/client/solrj/impl/HttpClusterStateProvider.java#L69],
> so that if first node provided in solrUrs down, we can try to use the second
> to fetch live nodes.
>
>
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