Merge branch 'master' into dev-springcloud-plugin

Author: Aias00

shenyu-sync-data-center/shenyu-sync-data-http/src/main/java/org/apache/shenyu/sync/data/http/config/HttpConfig.java

@@ -205,7 +205,7 @@ public boolean equals(final Object o) {
         if (this == o) {
             return true;
         }
-        if (o == null || getClass() != o.getClass()) {
+        if (Objects.isNull(o) || getClass() != o.getClass()) {
             return false;
         }
         HttpConfig that = (HttpConfig) o;

shenyu-sync-data-center/shenyu-sync-data-nacos/src/main/java/org/apache/shenyu/sync/data/nacos/config/NacosACMConfig.java

@@ -126,7 +126,7 @@ public boolean equals(final Object o) {
         if (this == o) {
             return true;
         }
-        if (o == null || getClass() != o.getClass()) {
+        if (Objects.isNull(o) || getClass() != o.getClass()) {
             return false;
         }
         NacosACMConfig that = (NacosACMConfig) o;

shenyu-sync-data-center/shenyu-sync-data-nacos/src/main/java/org/apache/shenyu/sync/data/nacos/config/NacosConfig.java

@@ -146,7 +146,7 @@ public boolean equals(final Object o) {
         if (this == o) {
             return true;
         }
-        if (o == null || getClass() != o.getClass()) {
+        if (Objects.isNull(o) || getClass() != o.getClass()) {
             return false;
         }
         NacosConfig that = (NacosConfig) o;

shenyu-sync-data-center/shenyu-sync-data-websocket/src/main/java/org/apache/shenyu/plugin/sync/data/websocket/config/WebsocketConfig.java

@@ -72,7 +72,7 @@ public boolean equals(final Object o) {
         if (this == o) {
             return true;
         }
-        if (o == null || getClass() != o.getClass()) {
+        if (Objects.isNull(o) || getClass() != o.getClass()) {
             return false;
         }
         WebsocketConfig that = (WebsocketConfig) o;