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Posted to dev@lucene.apache.org by "Dawid Weiss (JIRA)" <ji...@apache.org> on 2015/08/25 11:44:45 UTC

[jira] [Created] (SOLR-7969) Unavailable clustering engines should not fail the core

Dawid Weiss created SOLR-7969:
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             Summary: Unavailable clustering engines should not fail the core
                 Key: SOLR-7969
                 URL: https://issues.apache.org/jira/browse/SOLR-7969
             Project: Solr
          Issue Type: Improvement
            Reporter: Dawid Weiss
            Assignee: Dawid Weiss
            Priority: Trivial
             Fix For: 5.4


Currently the clustering contrib will fail at initialization time if an algorithm (or some of its dependencies) is not available. This shouldn't be so eager, instead:
* the declaration of an engine should allow optionality,
* log the message about unavailable engine/algorithm (and its ID); if it is optional, the message can have a debug level,
* fail at query-time if the engine is requested explicitly.



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