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Posted to issues@lucene.apache.org by "Chris M. Hostetter (Jira)" <ji...@apache.org> on 2020/11/30 21:28:00 UTC
[jira] [Resolved] (SOLR-14958) zkHost sys prop requirement prevents
sane/safe cloud test usage
[ https://issues.apache.org/jira/browse/SOLR-14958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris M. Hostetter resolved SOLR-14958.
---------------------------------------
Fix Version/s: master (9.0)
8.8
Resolution: Fixed
> zkHost sys prop requirement prevents sane/safe cloud test usage
> ---------------------------------------------------------------
>
> Key: SOLR-14958
> URL: https://issues.apache.org/jira/browse/SOLR-14958
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Chris M. Hostetter
> Assignee: Chris M. Hostetter
> Priority: Major
> Fix For: 8.8, master (9.0)
>
> Attachments: SOLR-14958.patch
>
>
> (This is somewhat analogous to SOLR-14934, but AFAICT only affects tests)
> MiniSolrCloudCluster - and/or any test that wants to run "cloud" nodes that pull solr.xml from ZooKeeper - currently *only* works because it calls {{System.setProperty("zkHost",...)}} - there is no other mechanism to communicate a 'zkHost' connection information to a Solr node (w/o hardcoding the value in a {{solr.xml}} file already on disk), making it unsafe to have multiple "solr clusters" running in a single JVM.
> SolrDispatchFilter already supports the ability to read properties from "context" attributes (which is currently leveraged by our test infrastructure) which are used to specify the "node properties" for the core container, and allow per-node overrides of system properties with the same name when parsing variables in solr.xml. But! ... SolrDispatchFilter does not consult these node properties when deciding where to try and load solr.xml from.
> Even if we "fix" SolrDispatchFilter to look for 'zkHost' in the node properties, SolrXmlConfig supports a {{<str name="zkHost"/>}} option in the {{<solrcloud>}} section. if that option is missing, then {{System.getProperty("zkHost")}} is used as a default - *IGNORING ANY zkHost IN THE NODE PROPERTIES*.
> I think we should try to fix this discrepency, and make it possible to run a {{MiniSolrCloud}} cluster w/o relying on setting 'zkHost' sys prop.
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