chore: Log message on abortStartup due to unexpected model loading fa…

…ilures (#132)

To help debugging unready condition in case of model loading failures.
The logged message helps to pinpoint the root cause of unready condition.

Fixes #100

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Signed-off-by: Leon Kiefer <leon.k97@gmx.de>

src/main/java/com/ibm/watson/modelmesh/ModelMesh.java

@@ -1309,6 +1309,7 @@ boolean isLeader() {
     @Override
     protected boolean isReady() {
         if (abortStartup) {
+            logger.info("Returning NOT READY to readiness probe due to unexpected model loading failures");
             return false;
         }
         // called only post-initialization