11111

pom.xml

@@ -27,6 +27,11 @@
           <artifactId>spring-boot-starter-data-jpa</artifactId>
           <version>1.2.3.RELEASE</version>
       </dependency>
+      <dependency>
+			<groupId>org.apache.httpcomponents</groupId>
+			<artifactId>httpclient</artifactId>
+			<version>4.2.5</version>
+		</dependency>
       	<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>

src/main/java/com/hdp/customerservice/websocket/IMWebSocketEndpoint.java

@@ -42,6 +42,7 @@ public class IMWebSocketEndpoint {
 	@OnClose
 	public void handleClose(Session session){
 		log.info(waiter.nickName + "离线了");
+		WaiterManager.removeWaiter(waiter.id);
 	}
 	
 	@OnError