lib/pione/agent/task-worker.rb in pione-0.3.1 vs lib/pione/agent/task-worker.rb in pione-0.3.2

@@ -75,11 +75,11 @@
 
         # start the engine
         @execution_thread = Thread.new do
           begin
             engine.handle
-          rescue RuleEngine::ActionError => e
+          rescue RuleEngine::ActionError, Lang::MethodNotFound => e
             write(TupleSpace::CommandTuple.new("terminate", [System::Status.error(e)]))
             terminate
           end
         end
 
@@ -113,10 +113,10 @@
       # Get a environment object from tuple space.
       def get_environment
         if env = read!(TupleSpace::EnvTuple.new)
           env.obj
         else
-          raise TupleSpaceError.new("\"env\" tuple not found.")
+          raise TupleSpaceError.new("the tuple space is invalid because \"env\" tuple not found.")
         end
       end
 
       # Make an engine from the task.
       def make_engine(task)