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From "Marius Grama (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-8851) ClassCastException in SearchHandler
Date Wed, 30 Mar 2016 19:23:25 GMT

    [ https://issues.apache.org/jira/browse/SOLR-8851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15218651#comment-15218651
] 

Marius Grama commented on SOLR-8851:
------------------------------------

Issue can be reproduced (quite often) on the _techproducts_  example collection with the following
query :

http://localhost:8983/solr/techproducts/select?q=*:*&wt=json&indent=true&facet=true&facet.query={!tag=q1}manufacturedate_dt:[2006-01-01T00:00:00Z%20TO%20NOW]&facet.query={!tag=q1}price:[0%20TO%20100]%20&timeAllowed=1

> ClassCastException in SearchHandler
> -----------------------------------
>
>                 Key: SOLR-8851
>                 URL: https://issues.apache.org/jira/browse/SOLR-8851
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 5.4.1
>            Reporter: Pascal Chollet
>
> When there is a query timeout in non-distrub mode, {{SearchHandler}} is throwing a {{ClassCastException}}:
> {code}java.lang.ClassCastException: org.apache.solr.response.ResultContext cannot be
cast to org.apache.solr.common.SolrDocumentList
> 	at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:293)
> 	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:156)
> 	...{code}
> The problem can be reproduced if any component running after {{QueryComponent}} times
out - in our case it is {{FacetComponent}} which throws a {{ExitingReaderException}}.
> {{SearchHandler:293}} expects a {{SolrDocumentList}} in {{rsp.response}}, but {{QueryComponent}}
did add a {{ResultContext}} instead.
> It looks like this is not a problem, if the {{QueryComponent}} itself is timing out,
as rsp.response is null in that case. It's only a problem if a component after {{QueryComponent}}
is timing out.



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