closes #964 Improve error message for packet mutex breaking marshal dump

BallAerospace · Apr 2, 2019 · 31ca38b · 31ca38b
1 parent 285a1f0
commit 31ca38b
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/lib/cosmos/top_level.rb b/lib/cosmos/top_level.rb
@@ -244,6 +244,11 @@ def self.marshal_dump(marshal_filename, obj)
       rescue Exception
         # Oh well - we tried
       end
+      if exception.class == TypeError and exception.message =~ /Thread::Mutex/
+        original_backtrace = exception.backtrace
+        exception = exception.exception("Mutex exists in a packet.  Note: Packets must not be read during class initializers for Conversions, Limits Responses, etc.: #{exception}")
+        exception.set_backtrace(original_backtrace)
+      end
       self.handle_fatal_exception(exception)
     end
   end