2.3.10 异常处理：泛化的抛出异常

license/src/main/java/iot/sixiang/license/device/DeviceServerHandler.java

@@ -111,7 +111,7 @@ public class DeviceServerHandler extends SimpleChannelInboundHandler<Object> {
     }
 
     @Override
-    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
+    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception{
         // TODO Auto-generated method stub
         super.exceptionCaught(ctx, cause);
         log.debug("设备服务器，exceptionCaught:{}", ctx.channel().id().asLongText());

license/src/main/java/iot/sixiang/license/forward/ForwardClientHandler.java

@@ -94,7 +94,7 @@ public class ForwardClientHandler extends SimpleChannelInboundHandler<Object> {
     }
 
     @Override
-    public synchronized void userEventTriggered(ChannelHandlerContext ctx, Object obj) throws Exception {
+    public synchronized void userEventTriggered(ChannelHandlerContext ctx, Object obj) {
         log.debug("桥接客户端，userEventTriggered:{}", ctx.channel().id().asLongText());
     }
 

license/src/main/java/iot/sixiang/license/forward/ForwardConnectionListener.java

@@ -17,7 +17,7 @@ import lombok.extern.slf4j.Slf4j;
 public class ForwardConnectionListener extends BaseConnectionListener {
 
     @Override
-    public void operationComplete(ChannelFuture channelFuture) throws Exception {
+    public void operationComplete(ChannelFuture channelFuture) {
         AlarmService alarmService = SpringUtil.getBean(AlarmService.class);
         if (!channelFuture.isSuccess()) {
             //TODO 失败进行告警

license/src/main/java/iot/sixiang/license/jwt/AuthenticationInterceptor.java

@@ -21,14 +21,14 @@ public class AuthenticationInterceptor implements HandlerInterceptor {
 
 
     @Override
-    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
 
         UserUtils.removeUser();
         UserUtils.removeUri();
     }
 
     @Override
-    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
         response.setHeader("Set-Cookie","HttpOnly");
         return true;
     }

license/src/main/java/iot/sixiang/license/net/BaseConnectionListener.java

@@ -3,16 +3,18 @@ package iot.sixiang.license.net;
 import io.netty.channel.ChannelFuture;
 import io.netty.channel.ChannelFutureListener;
 import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
 
 @Data
+@Slf4j
 public class BaseConnectionListener implements ChannelFutureListener {
 
 	public String appId;
 	public String host;
 	public int port;
 	@Override
-	public void operationComplete(ChannelFuture future) throws Exception {
+	public void operationComplete(ChannelFuture future) {
 		// TODO Auto-generated method stub
-		System.out.println("重写了operationComplete方法");
+		log.info("重写了operationComplete方法");
 	}
 }