fix: Create a dedicated thread for start

Author: caoccao

hivemq-edge/src/main/java/com/hivemq/protocols/ProtocolAdapterWrapper.java

@@ -195,16 +195,21 @@ private void stopAfterFailedStart() {
             if (writingEnabled && isWriting()) {
                 final AtomicBoolean futureCompleted = new AtomicBoolean(false);
                 final AtomicBoolean firstCallToStatusListener = new AtomicBoolean(true);
-                final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
+                final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor(runnable -> {
+                    final Thread thread  = new Thread(runnable);
+                    thread.setName("adapter-start-timeout-thread-" + adapter.getId());
+                    thread.setDaemon(false);
+                    return thread;
+                });
                 final long startTime = System.currentTimeMillis();
-                final ScheduledFuture<?> scheduledFuture = scheduler.scheduleWithFixedDelay(() -> {
+                final ScheduledFuture<?> scheduledFuture = scheduler.schedule(() -> {
                     if (((System.currentTimeMillis() - startTime) > (WRITE_FUTURE_COMPLETE_DELAY - 1) * 1000) &&
                             futureCompleted.compareAndSet(false, true)) {
                         log.error("Protocol adapter with id {} start writing failed because of timeout.",
                                 adapter.getId());
                         future.complete(false);
                     }
-                }, WRITE_FUTURE_COMPLETE_DELAY, WRITE_FUTURE_COMPLETE_DELAY, TimeUnit.SECONDS);
+                }, WRITE_FUTURE_COMPLETE_DELAY, TimeUnit.SECONDS);
                 future.thenAccept(success -> {
                     if (!scheduledFuture.isCancelled()) {
                         scheduledFuture.cancel(true);