id summary reporter owner description type status priority component severity resolution keywords cc release 11311 Consistent XML and JSON RPC error codes Olemis Lang osimons " Handling of (XML|JSON)-RPC error codes does not seem to be consistent. Everything is explained in [http://rpc.blood-hound.net/ticket/210 this ticket] . IMHO both protocols should be returning the same error codes , but I do not know whether this will cause any trouble regarding interoperability with external tools e.g. Mylyn ." enhancement new normal XmlRpcPlugin normal error codes