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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-7951) LBHttpSolrClient wraps ALL exceptions in "No live SolrServers available to handle this request" exception, even usage errors
Date Thu, 20 Aug 2015 17:52:46 GMT

    [ https://issues.apache.org/jira/browse/SOLR-7951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14705413#comment-14705413
] 

Mark Miller commented on SOLR-7951:
-----------------------------------

bq. No live SolrServers available to handle this request"

It does look like you should still get the original stack trace as a root exception? The message
is still not being used correctly, but can you confirm that?

> LBHttpSolrClient wraps ALL exceptions in "No live SolrServers available to handle this
request" exception, even usage errors
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-7951
>                 URL: https://issues.apache.org/jira/browse/SOLR-7951
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrJ
>    Affects Versions: 5.2.1
>            Reporter: Elaine Cario
>            Priority: Minor
>
> We were experiencing many "No live SolrServers available to handle this request" exception,
even though we saw no outages with any of our servers.  
> It turned out the actual exceptions were related to the use of wildcards in span queries
(and in some cases other invalid queries or usage-type issues). Traced it back to LBHttpSolrClient
which was wrapping all exceptions, even plain SolrExceptions, in that outer exception.  
> Instead, wrapping in the out exception should be reserved for true communication issues
in SolrCloud, and usage exceptions should be thrown as is.



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