Shutdown maven/gradle plugin on startup failure

Author: jknack

jooby-run/src/main/java/org/jooby/run/Main.java

@@ -235,7 +235,14 @@ private void startApp(final List<String> args) {
         Method joobyRun = app.getClass().getMethod("start", String[].class);
         Object p = args.toArray(new String[args.size()]);
         joobyRun.invoke(this.app, p);
-        debug("started: %s", mainClass);
+        Method started = app.getClass().getMethod("isStarted");
+        Boolean success = (Boolean) started.invoke(this.app);
+        if (success) {
+          debug("started: %s", mainClass);
+        } else {
+          debug("not started: %s", mainClass);
+          System.exit(1);
+        }
       } catch (Throwable ex) {
         Throwable cause = ex;
         if (ex instanceof InvocationTargetException) {

jooby/src/main/java/org/jooby/Jooby.java

@@ -4160,7 +4160,7 @@ private Injector bootstrap(final Config args,
       throw new IllegalStateException("Required property 'application.secret' is missing");
     }
 
-    /** executors .*/
+    /** executors . */
     if (executors.isEmpty()) {
       // default executor
       executor(MoreExecutors.newDirectExecutorService());
@@ -4456,6 +4456,15 @@ public void stop() {
     stop(Optional.empty());
   }
 
+  /**
+   * Test if the application is up and running.
+   *
+   * @return True if the application is up and running.
+   */
+  public boolean isStarted() {
+    return started.get();
+  }
+
   private void stop(final Optional<Throwable> x) {
     if (started.compareAndSet(true, false)) {
       Logger log = logger(this);