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https://issues.apache.org/jira/browse/SOLR-443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12606615#action_12606615
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Lars Kotthoff commented on SOLR-443:
------------------------------------

{quote}
Did you try setting URIEncoding="UTF-8" on the connector?
Without that, you can't even correctly do a query that contains international 
chars.
{quote}

Yes. A lot of the queries I issue are in Japanese ;)

I should add that I'm using the debian flavour of Tomcat, the exact version 
number is 5.5.26-3. I don't know whether this version is patched in a way that 
affects this, but the Tomcat documentation 
([http://tomcat.apache.org/tomcat-5.5-doc/config/http.html]) specifically 
mentions decoding the *URL* for that setting. That may or may not be 
intentional, but I'm pretty sure that the behaviour you're seeing is 
"accidental".

As for the NPE, it occurs when a request for facet counts returns something for 
a facet value which wasn't in the request. I think that it should only be 
handled more gracefully to the extent of giving a more meaningful error 
message. But there's no need to if the underlying issue is fixed :)

> POST queries don't declare its charset
> --------------------------------------
>
>                 Key: SOLR-443
>                 URL: https://issues.apache.org/jira/browse/SOLR-443
>             Project: Solr
>          Issue Type: Bug
>          Components: clients - java
>    Affects Versions: 1.2
>         Environment: Tomcat 6.0.14
>            Reporter: Andrew Schurman
>            Priority: Minor
>         Attachments: SOLR-443-multipart.patch, solr-443.patch, 
> solr-443.patch, SolrDispatchFilter.patch
>
>
> When sending a query via POST, the content-type is not set. The content 
> charset for the POST parameters are set, but this only appears to be used for 
> creating the Content-Length header in the commons library. Since a query is 
> encoded in UTF-8, the http headers should also specify content type charset.
> On Tomcat, this causes problems when the query string contains non-ascii 
> characters (characters with accents and such) as it tries to parse the POST 
> body in its default ISO-9886-1. There appears to be no way to set/change the 
> default encoding for a message body on Tomcat.

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