LGTM with moving the error from DevMode to SCL. Please create a bug to remove the redundant logging.
http://gwt-code-reviews.appspot.com/611802/diff/1/2 File dev/core/src/com/google/gwt/dev/DevMode.java (right): http://gwt-code-reviews.appspot.com/611802/diff/1/2#newcode408 dev/core/src/com/google/gwt/dev/DevMode.java:408: serverLogger.log(TreeLogger.ERROR, "Unable to process SCL args " + sclArgs); After chat, suggest moving this message to ServletContainerLauncher.processArguments instead as: logger.log(TreeLogger.ERROR, getName() + " does not accept any arguments"); http://gwt-code-reviews.appspot.com/611802/show -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
