Clearer error message for failing to load configuration file.

Signed-off-by: Ville Ranta-aho <ville@ville-pekka.com>

Author: VillePekka

command/src/com/mirth/connect/cli/CommandLineInterface.java

@@ -166,7 +166,8 @@ private void run(String[] args) {
                 } catch (ConfigurationException cex) {
                     // loading of the configuration file failed
                     if (line.hasOption("c")) {
-                        error("We could not find the file: " + line.getOptionValue("c"), null);
+                        // An explicit configuration file was specified with -c; fail fast with a clear error
+                        error("Failed to load the configuration file specified with -c: " + line.getOptionValue("c"), cex);
                         System.exit(2);
                     }
                     error("Loading configuration failed.", null);