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Posted to dev@lucene.apache.org by "Mark Miller (JIRA)" <ji...@apache.org> on 2012/12/13 05:25:21 UTC
[jira] [Commented] (SOLR-3284) StreamingUpdateSolrServer swallows
exceptions
[ https://issues.apache.org/jira/browse/SOLR-3284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13530665#comment-13530665 ]
Mark Miller commented on SOLR-3284:
-----------------------------------
I'd love to see a way to get back specific error information about fails. That seems preferable to just stopping or throwing an exception in a lot of cases. It would be nice to treat different cases separatley though - eg bad doc vs down server.
> StreamingUpdateSolrServer swallows exceptions
> ---------------------------------------------
>
> Key: SOLR-3284
> URL: https://issues.apache.org/jira/browse/SOLR-3284
> Project: Solr
> Issue Type: Improvement
> Components: clients - java
> Affects Versions: 3.5, 4.0-ALPHA
> Reporter: Shawn Heisey
> Attachments: SOLR-3284.patch
>
>
> StreamingUpdateSolrServer eats exceptions thrown by lower level code, such as HttpClient, when doing adds. It may happen with other methods, though I know that query and deleteByQuery will throw exceptions. I believe that this is a result of the queue/Runner design. That's what makes SUSS perform better, but it means you sacrifice the ability to programmatically determine that there was a problem with your update. All errors are logged via slf4j, but that's not terribly helpful except with determining what went wrong after the fact.
> When using CommonsHttpSolrServer, I've been able to rely on getting an exception thrown by pretty much any error, letting me use try/catch to detect problems.
> There's probably enough dependent code out there that it would not be a good idea to change the design of SUSS, unless there were alternate constructors or additional methods available to configure new/old behavior. Fixing this is probably not trivial, so it's probably a better idea to come up with a new server object based on CHSS. This is outside my current skillset.
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