Fixed exit context problem for older WLS versions (#613)

* Add switch when creating model context for exit due to CLA failure

Author: rakillen

core/src/main/python/wlsdeploy/tool/util/model_context_helper.py

@@ -1,5 +1,5 @@
 """
-Copyright (c) 2019, Oracle Corporation and/or its affiliates.  All rights reserved.
+Copyright (c) 2020, Oracle Corporation and/or its affiliates.
 Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 """
 from wlsdeploy.tool.create.domain_typedef import DomainTypedef
@@ -28,12 +28,13 @@ def create_context(program_name, combined_arg_map, domain_typedef=None):
 
 def create_exit_context(program_name):
     """
-    Create a minimal model for use when a tool exits due to command-line parsing errors.
+    Create a minimal model context for use when a tool exits due to command-line parsing errors.
     This will provide some of the values needed for the summary logging.
     :param program_name: the program name, used for logging
     :return: the new, minimal model context object
     """
-    return create_context(program_name, dict())
+    # Oracle home switch is required for typedef template token resolution, for older WLS versions.
+    return create_context(program_name, {CommandLineArgUtil.ORACLE_HOME_SWITCH: ""})
 
 
 def create_typedef(program_name, argument_map):