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https://issues.apache.org/jira/browse/SOLR-4042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15166722#comment-15166722
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Benoit Vanalderweireldt commented on SOLR-4042:
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I would think a syntax error is more appropriate.
First message for me here, i'm not sure about the process, but I'd love to
fix this one as a start.
> NullPointerException for query type 'query' without '{! ...}' syntax
> --------------------------------------------------------------------
>
> Key: SOLR-4042
> URL: https://issues.apache.org/jira/browse/SOLR-4042
> Project: Solr
> Issue Type: Bug
> Components: query parsers
> Affects Versions: 4.0, master
> Reporter: Joel Nothman
> Priority: Minor
>
> The 'query' query type, corresponding to NestedQParserPlugin, expects a query
> of form: "{! ... } ...". An empty q parameter, or a list of search terms
> causes a NullPointerException because NestedQParserPlugin.createParser
> receives a localParams == null, which is then used without checking in
> NestedQParserPlugin.QParser.parse().
> Correct behaviour is currently ambiguous: throw a syntax error? or execute
> the query with the default parser?
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