Lyle created SOLR-14317:
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Summary: 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: 7.7.2, 7.7.1
Reporter: Lyle
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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