remove wrongheaded uses of "rescue nil" if it will mask a useful exception. also include

the whole backtrace in the 500 error response body if exception reporting is turned on (the default).


git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1035 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionwebservice/lib/action_web_service/dispatcher/abstract.rb

@@ -76,10 +76,7 @@ def web_service_invocation(request)
             invocation.api = self.class.web_service_api
             invocation.service = self
           when :delegated, :layered
-            invocation.service = web_service_object(invocation.service_name) rescue nil
-            unless invocation.service
-              raise(DispatcherError, "service #{invocation.service_name} not available")
-            end
+            invocation.service = web_service_object(invocation.service_name)
             invocation.api = invocation.service.class.web_service_api
           end
           request.api = invocation.api

actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb

@@ -89,10 +89,12 @@ def send_web_service_error_response(request, exception)
             else
               if self.class.web_service_exception_reporting
                 message = exception.message
+                backtrace = "\nBacktrace:\n#{exception.backtrace.join("\n")}"
               else
                 message = "Exception raised"
+                backtrace = ""
               end
-              render_text("Internal protocol error: #{message}", "500 #{message}")
+              render_text("Internal protocol error: #{message}#{backtrace}", "500 #{message}")
             end
           end
 

actionwebservice/lib/action_web_service/vendor/ws/encoding/xmlrpc_encoding.rb

@@ -11,10 +11,7 @@ def encode_rpc_call(method_name, params)
       end
 
       def decode_rpc_call(obj)
-        method_name, params = XMLRPC::Marshal.load_call(obj) rescue nil
-        unless method_name && params
-          raise(XmlRpcError, "Malformed XML-RPC request")
-        end
+        method_name, params = XMLRPC::Marshal.load_call(obj)
         i = 0
         params = params.map do |value|
           param = XmlRpcDecodedParam.new("param#{i}", value)
@@ -33,10 +30,7 @@ def encode_rpc_response(method_name, return_value)
       end
 
       def decode_rpc_response(obj)
-        return_value = XMLRPC::Marshal.load_response(obj) rescue nil
-        if return_value.nil? 
-          raise(XmlRpcError, "Malformed XML-RPC response")
-        end
+        return_value = XMLRPC::Marshal.load_response(obj)
         [nil, XmlRpcDecodedParam.new('return', return_value)]
       end
     end