Fixed Sinks.one(), also added RetryEmitFailureHandler

Author: artem-v

cluster/src/main/java/io/scalecube/cluster/ClusterImpl.java

@@ -123,14 +123,14 @@ private void initLifecycle() {
     start
         .asMono()
         .then(doStart())
-        .doOnSuccess(c -> onStart.tryEmitEmpty())
-        .doOnError(onStart::tryEmitError)
+        .doOnSuccess(c -> onStart.emitEmpty(RetryEmitFailureHandler.INSTANCE))
+        .doOnError(th -> onStart.emitError(th, RetryEmitFailureHandler.INSTANCE))
         .subscribe(null, th -> LOGGER.error("[{}][doStart] Exception occurred:", localMember, th));
 
     shutdown
         .asMono()
         .then(doShutdown())
-        .doFinally(s -> onShutdown.tryEmitEmpty())
+        .doFinally(s -> onShutdown.emitEmpty(RetryEmitFailureHandler.INSTANCE))
         .subscribe(
             null,
             th ->
@@ -236,7 +236,7 @@ public ClusterImpl handler(Function<Cluster, ClusterMessageHandler> handler) {
   public Mono<Cluster> start() {
     return Mono.defer(
         () -> {
-          start.tryEmitEmpty();
+          start.emitEmpty(RetryEmitFailureHandler.INSTANCE);
           return onStart.asMono().thenReturn(this);
         });
   }
@@ -489,7 +489,7 @@ public <T> Mono<Void> updateMetadata(T metadata) {
 
   @Override
   public void shutdown() {
-    shutdown.tryEmitEmpty();
+    shutdown.emitEmpty(RetryEmitFailureHandler.INSTANCE);
   }
 
   private Mono<Void> doShutdown() {

transport-parent/transport-netty/src/main/java/io/scalecube/transport/netty/TransportImpl.java

@@ -90,7 +90,7 @@ private void init(DisposableServer server) {
     // Setup cleanup
     stop.asMono()
         .then(doStop())
-        .doFinally(s -> onStop.tryEmitEmpty())
+        .doFinally(s -> onStop.emitEmpty(RetryEmitFailureHandler.INSTANCE))
         .subscribe(
             null, ex -> LOGGER.warn("[{}][doStop] Exception occurred: {}", address, ex.toString()));
   }
@@ -181,7 +181,7 @@ public boolean isStopped() {
   public final Mono<Void> stop() {
     return Mono.defer(
         () -> {
-          stop.tryEmitEmpty();
+          stop.emitEmpty(RetryEmitFailureHandler.INSTANCE);
           return onStop.asMono();
         });
   }