Turn off NOWAIT

Author: mrmundt

pyomo/common/tee.py

@@ -47,7 +47,7 @@
         from win32pipe import FdCreatePipe, PeekNamedPipe, SetNamedPipeHandleState
 
         # This constant from Microsoft SetNamedPipeHandleState documentation:
-        PIPE_NOWAIT = 1
+        PIPE_NOWAIT = 0
     else:
         from select import select
     _peek_available = True

pyomo/contrib/solver/solvers/ipopt.py

@@ -621,6 +621,9 @@ def _parse_ipopt_output(self, output: Union[str, io.StringIO]) -> Dict[str, Any]
         if isinstance(output, io.StringIO):
             output = output.getvalue()
 
+        print("************* Raw output:\n")
+        print(output)
+
         # Stop parsing if there is nothing to parse
         if not output:
             logger.log(