[jira] Updated: (SOLR-12) SolrServletRequest needs to be more robust to prevent NPE when POSTing queries to Jetty

["Hoss Man (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/SOLR-12?page=all ]

Hoss Man updated SOLR-12:
-------------------------

    Attachment: solr.post.html

quick and dirty form for demonstrating bug.

> SolrServletRequest needs to be more robust to prevent NPE when POSTing queries to Jetty
> ---------------------------------------------------------------------------------------
>
>          Key: SOLR-12
>          URL: http://issues.apache.org/jira/browse/SOLR-12
>      Project: Solr
>         Type: Bug

>   Components: search
>  Environment: Jetty, possibly other Servlet Containers.
>     Reporter: Hoss Man
>  Attachments: solr.post.html
>
> Even though Solr supports POSTing queries now, here are some situations in which SolrServletRequest.getParamString() generates an NPE only when the the query is a POST.
> this seems to be an issue because of the way Jetty's HttpServletRequest.getParameterMap() treats empty query args differentely depending on wether the request was a GET or a POST -- but i'm not sure how other containers will behave, so we should make getParamString() more robust.
> In particular, this problem only seems to come up if the *first* query arg has a blank value ... any other arg can be lnak no problem.
> to reproduce, get the example Jetty/Solr port up and running, and then use the form i'll attach in a moment to query it. Both the GET form and the POST form should work fine initially, and the GET form should work even if you delete the "gahgah" and/or the "googoo" options ... but the POST form will not work at all if the "gahgah" option is removed leaving that text box blank.

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