[jira] [Commented] (SOLR-13470) SolrException msg not always propogated to HttpClient (may be specific to SOLR-12999 ?)

["Hoss Man (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-13470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16841003#comment-16841003 ] 

Hoss Man commented on SOLR-13470:
---------------------------------

the root cause of the problem appears to be SOLR-13471, triggered by SOLR-13474.

> SolrException msg not always propogated to HttpClient (may be specific to SOLR-12999 ?)
> ---------------------------------------------------------------------------------------
>
>                 Key: SOLR-13470
>                 URL: https://issues.apache.org/jira/browse/SOLR-13470
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Hoss Man
>            Priority: Major
>         Attachments: SOLR-13470.patch
>
>
> While working on some test hardening for SOLR-12999, I discovered a strange bug related to how SolrExceptions are propogated to HttpClients -- sometimes the message set by the server side code when throwing the SolrException is set in the remote exception recieved by the HttpSolrClient, other times it is not.
> it's not clear to me if this is specific to the IndexFetcher related code (added in SOLR-12999) that throw SolrExceptions when the index is in the middle of a full copy, or if it's a general problem that can happen with any SolrException->HTTP->RemoteSolrException via HttpSolrClient that only happens to manifests because of some quirk in the threading of TestReplicationHandlerDiskOverFlow. 
> (perhaps because we don't have a lot of HTTP level tests checking the exception message?)
> At the moment, TestReplicationHandlerDiskOverFlow works around this issue by only comparing the HTTP Staus code to ensure it's what's expected, w/o checking the getMessage() ... I'll attach a patch that demonstrates how including a getMessage() assertion can (sporadically) fail, and includes some nocommit debugging code i added to HttpSolrClient to try and make sense of what's happening...



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