On 6 Apr 2017, at 14.58, azurit@pobox.sk wrote:
Hi,
i'm trying to resolve few problems with indexing 'From' headers using FTS/Solr. I was tcpdumping the communication between Dovecot and Jetty/Solr and noticed that 'From' headers, which includes also sender's name, are double escaped. This is what was Dovecot sending to Solr:
</field><field name="from">Name Surname <test@example.com></field></doc></add>
As you can see, characters < and > were escaped to < and > which were, again, escaped to < and >. This is doing problems while trying to index whole e-mail address, as Solr sees it as '<test@example.com>'.
I spend hours trying to figure out why i'm able to search in all parts of e-mail addresses but searching for full and exact e-mail address was successfull ONLY for messages which doesn't include sender's name in 'From' header. Finally, after i found this bug, this fixed all search problems:
<filter class="solr.PatternReplaceFilterFactory" pattern="&lt;" replacement=""/> <filter class="solr.PatternReplaceFilterFactory" pattern="&gt;" replacement=""/>
I hope that, at least, this bug, reported by me, will be fixed. Thank you.
The attached patch should also help.