[ 
https://issues.apache.org/jira/browse/SOLR-11491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Hoss Man reopened SOLR-11491:
-----------------------------

[~ab]: this fix seems incomplete in some contexts...

From: https://jenkins.thetaphi.de/job/Lucene-Solr-master-MacOSX/4231/
{noformat}
   [junit4]   2> 9456 INFO  
(TEST-CloudSolrClientTest.testHandlingOfStaleAlias-seed#[3B079852290A3E4A]) [   
 ] o.a.s.SolrTestCaseJ4 ###Ending testHandlingOfStaleAlias
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=CloudSolrClientTest 
-Dtests.method=testHandlingOfStaleAlias -Dtests.seed=3B079852290A3E4A 
-Dtests.slow=true -Dtests.locale=es-VE -Dtests.timezone=America/Cancun 
-Dtests.asserts=true -Dtests.file.encoding=UTF-8
   [junit4] ERROR   0.24s | CloudSolrClientTest.testHandlingOfStaleAlias <<<
   [junit4]    > Throwable #1: java.lang.ClassCastException: 
java.util.LinkedHashMap cannot be cast to org.apache.solr.common.util.NamedList
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([3B079852290A3E4A:2B7ADF9BDCE93EDD]:0)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.HttpClusterStateProvider.fetchClusterState(HttpClusterStateProvider.java:142)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.HttpClusterStateProvider.getClusterProperties(HttpClusterStateProvider.java:276)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.ClusterStateProvider.getClusterProperty(ClusterStateProvider.java:65)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1019)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:862)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:793)
   [junit4]    >        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:178)
   [junit4]    >        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:195)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.CloudSolrClientTest.testHandlingOfStaleAlias(CloudSolrClientTest.java:226)

{noformat}

> HttpClusterStateProvider doesn't support retrieval of cluster properties
> ------------------------------------------------------------------------
>
>                 Key: SOLR-11491
>                 URL: https://issues.apache.org/jira/browse/SOLR-11491
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>    Affects Versions: master (8.0)
>            Reporter: Andrzej Bialecki 
>            Assignee: Andrzej Bialecki 
>             Fix For: 7.2, master (8.0)
>
>
> SOLR-11285 refactoring caused the folowing bug to appear when 
> {{CloudSolrClient}} uses {{HttpClusterStateProvider}}:
> {code}
> java.lang.UnsupportedOperationException: Fetching cluster properties not 
> supported using the HttpClusterStateProvider. ZkClientClusterStateProvider 
> can be used for this.
>       at 
> __randomizedtesting.SeedInfo.seed([53591E2E965F9457:432459E763BC94C0]:0)
>       at 
> org.apache.solr.client.solrj.impl.HttpClusterStateProvider.getClusterProperties(HttpClusterStateProvider.java:254)
>       at 
> org.apache.solr.client.solrj.impl.ClusterStateProvider.getClusterProperty(ClusterStateProvider.java:65)
>       at 
> org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1019)
>       at 
> org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:862)
>       at 
> org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:793)
>       at 
> org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:178)
>       at 
> org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:195)
>       at 
> org.apache.solr.client.solrj.impl.CloudSolrClientTest.testHandlingOfStaleAlias(CloudSolrClientTest.java:226)
> {code}
> CLUSTERSTATUS response already contains cluster properties under "properties" 
> key, so this simply needs to be used in {{HttpClusterStateProvider}}.



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