[jira] [Commented] (SOLR-3774) /admin/mbean returning duplicate search handlers with names that map to their classes?

["Mark Miller (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-3774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14216442#comment-14216442 ] 

Mark Miller commented on SOLR-3774:
-----------------------------------

I duplicated this issue with SOLR-6750.

The way I solved is to not let SolrResourceLoader.inform add any of the same objects that already exist with a simple check of !infoRegistry.containsValue(bean). I think it might be a better check than relying on names because we don't really ever want to add the same object twice - especially considering SOLR-6586.

{code}
    for (SolrInfoMBean bean : arr) {
      if (!infoRegistry.containsValue(bean)) {
        try {
          infoRegistry.put(bean.getName(), bean);
        } catch (Exception e) {
          log.warn("could not register MBean '" + bean.getName() + "'.", e);
        }
      }
    }
{code}

> /admin/mbean returning duplicate search handlers with names that map to their classes?
> --------------------------------------------------------------------------------------
>
>                 Key: SOLR-3774
>                 URL: https://issues.apache.org/jira/browse/SOLR-3774
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Hoss Man
>         Attachments: SOLR-3774.patch
>
>
> Offshoot of SOLR-3232...
> bq. Along with some valid entries with names equal to the request handler names (/get search /browse) it also turned up one with the name "org.apache.solr.handler.RealTimeGetHandler" and another with the name "org.apache.solr.handler.component.SearchHandler"
> ...seems that we may have a bug with request handlers getting registered multiple times, once under their "real" name and once using their class?



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