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https://issues.apache.org/jira/browse/SOLR-435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13240991#comment-13240991
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David Smiley commented on SOLR-435:
-----------------------------------
(This patch didn't break the build.)
Since this is a back-port, what do I do with the SOLR-2001 entry in the
CHANGES.txt in trunk? I suspect I should move the issue to the 3.6 section of
the file, and commit that to the CHANGES.txt on both branches.
For reference:
{noformat}
* SOLR-2001: The query component will substitute an empty query that matches
no documents if the query parser returns null. This also prevents an
exception from being thrown by the default parser if "q" is missing. (yonik)
SOLR-435: if q is "" then it's also acceptable. (dsmiley, hoss)
{noformat}
> QParser must validate existence/absence of "q" parameter
> --------------------------------------------------------
>
> Key: SOLR-435
> URL: https://issues.apache.org/jira/browse/SOLR-435
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 1.3
> Reporter: Ryan McKinley
> Assignee: David Smiley
> Fix For: 3.6, 4.0
>
> Attachments:
> SOLR-2001_3x_backport_with_empty_string_check_and_test.patch, SOLR-435.patch,
> SOLR-435_3x_consistent_errors.patch, SOLR-435_q_defaults_to_all-docs.patch
>
>
> Each QParser should check if "q" exists or not. For some it will be required
> others not.
> currently it throws a null pointer:
> {code}
> java.lang.NullPointerException
> at org.apache.solr.common.util.StrUtils.splitSmart(StrUtils.java:36)
> at
> org.apache.solr.search.OldLuceneQParser.parse(LuceneQParserPlugin.java:104)
> at org.apache.solr.search.QParser.getQuery(QParser.java:80)
> at
> org.apache.solr.handler.component.QueryComponent.prepare(QueryComponent.java:67)
> at
> org.apache.solr.handler.SearchHandler.handleRequestBody(SearchHandler.java:150)
> ...
> {code}
> see:
> http://www.nabble.com/query-parsing-error-to14124285.html#a14140108
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