diff -r 68a1b61ecd28 tools/python/xen/web/SrvBase.py
--- a/tools/python/xen/web/SrvBase.py	Mon Aug 28 13:08:41 2006 +0100
+++ b/tools/python/xen/web/SrvBase.py	Tue Aug 29 12:54:28 2006 -0400
@@ -84,6 +84,7 @@ class SrvBase(resource.Resource):
             try:
                 return op_method(op, req)
             except Exception, exn:
+                req.setResponseCode(http.INTERNAL_SERVER_ERROR, "Request failed: " + op)
                 log.exception("Request %s failed.", op)
                 if req.useSxp():
                     return ['xend.err', str(exn)]