Add empty constructor for DubboLifecycleComponentApplicationListener (#7357)

AlbumenJ · web-flow · commit eeac3a08e1ae · 2021-03-28T16:20:32.000+08:00
* add empty constructor for DubboLifecycleComponentApplicationListener

* recover format

* recover format

* add empty constructor for DubboBootstrapApplicationListener
diff --git a/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/context/DubboBootstrapApplicationListener.java b/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/context/DubboBootstrapApplicationListener.java
@@ -43,6 +43,10 @@ public class DubboBootstrapApplicationListener extends OnceApplicationContextEve
 
     private final DubboBootstrap dubboBootstrap;
 
+    public DubboBootstrapApplicationListener() {
+        this.dubboBootstrap = DubboBootstrap.getInstance();
+    }
+
     public DubboBootstrapApplicationListener(ApplicationContext applicationContext) {
         super(applicationContext);
         this.dubboBootstrap = DubboBootstrap.getInstance();
@@ -51,6 +55,9 @@ public DubboBootstrapApplicationListener(ApplicationContext applicationContext)
 
     @Override
     public void onApplicationContextEvent(ApplicationContextEvent event) {
+        if (DubboBootstrapStartStopListenerSpringAdapter.applicationContext == null) {
+            DubboBootstrapStartStopListenerSpringAdapter.applicationContext = event.getApplicationContext();
+        }
         if (event instanceof ContextRefreshedEvent) {
             onContextRefreshedEvent((ContextRefreshedEvent) event);
         } else if (event instanceof ContextClosedEvent) {
diff --git a/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/context/DubboLifecycleComponentApplicationListener.java b/dubbo-config/dubbo-config-spring/src/main/java/org/apache/dubbo/config/spring/context/DubboLifecycleComponentApplicationListener.java
@@ -16,7 +16,6 @@
  */
 package org.apache.dubbo.config.spring.context;
 
-
 import org.apache.dubbo.common.context.Lifecycle;
 
 import com.alibaba.spring.context.OnceApplicationContextEventListener;
@@ -51,6 +50,9 @@ public class DubboLifecycleComponentApplicationListener extends OnceApplicationC
 
     private List<Lifecycle> lifecycleComponents = emptyList();
 
+    public DubboLifecycleComponentApplicationListener() {
+    }
+
     public DubboLifecycleComponentApplicationListener(ApplicationContext applicationContext) {
         super(applicationContext);
     }
