title: jboss url decoding
body: <p>We have a servlet hosted on jboss which works on HttpServletRequest. But sometimes we receieve requests that do not get decoded by jboss, and when we do getQueryParam on HttpServletRequest, we get null. The jboss access log shows the url in encoded form. Normally, when everything works smooth, url is shown decoded in access log.
  e.g.:</p>
  
  <p>This was a problematic request:</p>
  
  <pre><code>127.0.0.1 [13/Apr/2009:14:18:53 +0000] GET /redirectService//%3Fclient_id=3&amp;redirect_url=http%253A%252F%252Fwww.amazon.de%252Fgp%252Fsearch%253Fie%253DUTF8%2526keywords%253DMicrosoft+Office+2007%2526search-alias%253Dsoftware%2526 HTTP/1.1 'null' 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12)'
  </code></pre>
  
  <p>This was a proper request:</p>
  
  <pre><code>127.0.0.1 [13/Apr/2009:14:19:37 +0000] GET /redirectService//?client_id=3&amp;redirect_url=http%3A%2F%2Fwww.amazon.de%2Fgp%2Fsearch%3Fie%3DUTF8%26keywords%3DMAGIX+Video+deluxe+2008%26search-alias%3Dsoftware%26 HTTP/1.1 'http://www.google.de/search?hl=de&amp;q=magix+video+deluxe+2008&amp;meta=&amp;aq=3&amp;oq=%22magix%22' 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506; .NET CLR 1.1.4322)'
  </code></pre>
  
  <p>Could we be missing some jboss decode settings, or is it just a case of malicious user?</p>