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https://issues.apache.org/jira/browse/SOLR-435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13238795#comment-13238795
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David Smiley commented on SOLR-435:
-----------------------------------
If match none were the default, then this would be an additional difference
from a filter query aside from scoring implications. Think about it. If you
don't add any filter queries, in effect there is no filtering, which is kinda
like the default being *:* even though it strictly speaking doesn't work that
way. Shouldn't 'q' work similarly?
I'll commit a better error message later tonight:
{code}
if (qstr == null || qstr.length() == 0)
throw new ParseException("missing query string");
{code}
inside LuceneQParserPlugin.parse(). This is the same error message dismax &
edismax use.
v3.6 is soon and I don't feel like fighting this issue once the error message
is improved.
> QParser must validate existance/absense 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: Ryan McKinley
> Fix For: 3.6, 4.0
>
> Attachments: 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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