Node.js Thrift Server Exception Handling

uhohthrift.js

/** This is what a thrift service implementation in Node.js _currently_ looks like */
var CURRENT_HANDLER = {
  // On success, the return argument is passed as the only argument to the callback
  HelloWorld: function(name, callback) {
    callback("hello " + name);
  },

  // When something goes wrong, there is no way to get the exception back to the client
  UhOhWorld: function(name, callback) {
    var e = new ttypes.UhOhException("I can't do that " + name);
  }
};


/** This is what a "node-like" thrift service implementation _should_ look like */
var CANONICAL_HANDLER = {
  // On success, the return argument is passed as the second argument to the callback
  HelloWorld: function(name, callback) {
    callback(null, "hello " + name);
  },

  // On error, the exception is passed as the first argument to the callback
  UhOhWorld: function(name, callback) {
    callback(new ttypes.UhOhException("I can't do that " + name));
  }
};

Discussed in https://issues.apache.org/jira/browse/THRIFT-1267