fixed handling of "output_folder" property
diff --git a/framework/plugins/org.eclipse.app4mc.transformation/src/org/eclipse/app4mc/transformation/TransformationProcessor.java b/framework/plugins/org.eclipse.app4mc.transformation/src/org/eclipse/app4mc/transformation/TransformationProcessor.java
index 6ebe36c..e9cf8b7 100644
--- a/framework/plugins/org.eclipse.app4mc.transformation/src/org/eclipse/app4mc/transformation/TransformationProcessor.java
+++ b/framework/plugins/org.eclipse.app4mc.transformation/src/org/eclipse/app4mc/transformation/TransformationProcessor.java
@@ -179,6 +179,10 @@
 		if (workDir == null) {
 			// if no working directory is provided as argument and not in the properties, use the parent of the properties file
 			workDir = propertiesFile.getParentFile();
+			//if properties doesn't contain 'workingDirectory' and command line parameter is also not specified, then add parent of properties file -> in properties as value for 'workingDirectory'
+			if(!properties.contains("workingDirectory")) {
+				properties.put("workingDirectory", workDir.getPath());
+			}
 		}
 		
 		return harmonizeInputParameter(properties, workDir);
@@ -191,10 +195,6 @@
 		Object inputModelsFolder = properties.get("input_models_folder");
 		Object outputFolder = properties.get("output_folder");
 
-		Object m2m_outputModelsFolder = properties.get("m2m_output_folder");
-		Object m2t_output_folder = properties.get("m2t_output_folder");
-		Object logFile = properties.get("log_file");
-
 		File inputFile = null; 
 		if (inputModelsFolder != null) {
 			String path = inputModelsFolder.toString();
@@ -221,6 +221,7 @@
 			rootFolder = inputFile.getParentFile();
 		}
 		
+		
 		if (outputFolder != null) {
 			// check for generic output folder setting and derive needed values
 			Path outputFolderPath = Paths.get(outputFolder.toString());
@@ -229,7 +230,12 @@
 			properties.put("m2t_output_folder", Paths.get(outputFolderPath.toString(), "m2t_output_text_files").toString());
 			properties.put("log_file", Paths.get(outputFolderPath.toString(), "transformation.log").toString());
 			
-		} else {
+		}  
+		
+		Object m2m_outputModelsFolder = properties.get("m2m_output_folder");
+		Object m2t_output_folder = properties.get("m2t_output_folder");
+		Object logFile = properties.get("log_file");
+		
 			// check for separate values
 			if (m2m_outputModelsFolder != null) {
 				String path = m2m_outputModelsFolder.toString();
@@ -239,9 +245,9 @@
 						: new File(rootFolder, path).getAbsolutePath();
 				
 				properties.put("m2m_output_folder", newPath);
-			} else {
-				throw new IllegalArgumentException("'m2m_output_folder' parameter needs to be set");
-			}
+				} else{
+					throw new IllegalArgumentException("'m2m_output_folder' parameter needs to be set");
+				}
 			
 			if (m2t_output_folder != null) {
 				String path = m2t_output_folder.toString();
@@ -264,7 +270,7 @@
 				
 				properties.put("log_file", newPath);
 			}
-		}
+		 
 
 		return properties;
 	}