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From "Shawn Heisey (Updated) (JIRA)" <>
Subject [jira] [Updated] (SOLR-3284) StreamingUpdateSolrServer swallows exceptions
Date Tue, 17 Apr 2012 15:42:18 GMT


Shawn Heisey updated SOLR-3284:

    Attachment: SOLR-3284.patch

First crack at a patch for throwing delayed exceptions.  It should do this on any request
when a previous request resulted in an error, not just on commits.
> StreamingUpdateSolrServer swallows exceptions
> ---------------------------------------------
>                 Key: SOLR-3284
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>          Components: clients - java
>    Affects Versions: 3.5, 4.0
>            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

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