Save point: [skip ci]

* docs

deprecated/alfresco-transformer-base/README.md

@@ -1,7 +1,11 @@
-# Common code for Transform Engines
+# Common code for Transform Engines (Deprecated)
 
-This project contains code that is common between all the ACS T-Engine transformers that run as Spring Boot process (optionally within their own
-Docker containers). It performs common actions such as logging, throttling requests and handling the streaming of content to and from the container.
+This project holds the original code that was common to all ACS T-Engine transformers. Although
+it is still possible to create T-Engines this way, the newer `engine/base` project provides a
+simpler way to do it.
+
+This project provides a base Spring Boot process (optionally within their own Docker containers).
+It performs common actions such as logging, throttling requests and handling the streaming of content to and from the container.
 
 For more details on build a custom T-Engine, please refer to the current docs in ACS Packaging, including:
 

deprecated/alfresco-transformer-base/src/main/java/org/alfresco/transformer/executors/AbstractCommandExecutor.java

@@ -60,7 +60,7 @@ public abstract class AbstractCommandExecutor implements CommandExecutor
 
         if (!targetFile.exists() || targetFile.length() == 0)
         {
-            throw new TransformException(INTERNAL_SERVER_ERROR, Transformer failed to create an output file");
+            throw new TransformException(INTERNAL_SERVER_ERROR, "Transformer failed to create an output file");
         }
     }