[SOLR-589] DisMaxRequestHandler crashes on badly formed query strings ( combinations of "-" and "+" )

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.2, 1.3
• Fix Version/s: 1.3
• Component/s: search

Environment

all platforms

• Assignee: Otis Gospodnetic
• Reporter: bram de jong
• Created: 03/Jun/08 13:40
• Updated: 10/May/13 10:38
• Resolved: 14/Aug/08 21:04

Description

The DisMaxRequestHandler parser crashes on strings which contain double dashes or various combinations of - and + like:

chocolate cookie -
chocolate -+cookie
chocolate --cookie
chocolate - - cookie

Originally found by me:
http://mail-archives.apache.org/mod_mbox/lucene-solr-user/200806.mbox/browser

And verified by Sean Tim:
http://mail-archives.apache.org/mod_mbox/lucene-solr-user/200806.mbox/browser

Issue Links

• is blocked by: SOLR-1553 extended dismax query parser
• relates to: SOLR-422 one double quote or two double quotes only break search
• relates to: SOLR-161 Dangling dash causes stack trace
• relates to: SOLR-490 dismax should autoescape + and - followed by whitespace (maybe?)