Intermittently Drops the Content-Encoding Header

[iandees]

A request that worked:

Request URL:http://jxapi.openstreetmap.org/xapi/api/0.6/node%5Bamenity=pub%5D%5Bbbox=-77.05874527538924,38.878333647868175,-76.99008072461073,38.908395171193675%5D
Request Method:GET
Status Code:200 OK
Request Headers
Accept:application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,/;q=0.5
Accept-Charset:ISO-8859-1,utf-8;q=0.7,*;q=0.3
Accept-Encoding:gzip,deflate,sdch
Accept-Language:en-US,en;q=0.8
Cache-Control:max-age=0
Connection:keep-alive
Host:jxapi.openstreetmap.org
User-Agent:Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/534.13 (KHTML, like Gecko) Chrome/9.0.597.98 Safari/534.13
Response Headers
Content-Encoding:gzip
Content-Type:text/xml;charset=utf-8
Date:Wed, 06 Apr 2011 20:06:50 GMT
Server:Apache-Coyote/1.1
Transfer-Encoding:chunked

A request that didn't work:

Request URL:http://jxapi.openstreetmap.org/xapi/api/0.6/node%5Bamenity=pub%5D%5Bbbox=-77.05874527538924,38.878333647868175,-76.99008072461073,38.908395171193675%5D
Request Method:GET
Status Code:200 OK
Request Headers
Accept:application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,/;q=0.5
Accept-Charset:ISO-8859-1,utf-8;q=0.7,*;q=0.3
Accept-Encoding:gzip,deflate,sdch
Accept-Language:en-US,en;q=0.8
Cache-Control:max-age=0
Connection:keep-alive
Host:jxapi.openstreetmap.org
User-Agent:Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/534.13 (KHTML, like Gecko) Chrome/9.0.597.98 Safari/534.13
Response Headers
Content-Type:text/xml;charset=utf-8
Date:Wed, 06 Apr 2011 20:08:34 GMT
Server:Apache-Coyote/1.1
Transfer-Encoding:chunked