添加es的依赖，并将boot的依赖上升至2.2.1，cloud的依赖上升为Hoxton.RELEASE；springboot2.2.1默认的es版本是6.8.4

@@ -2,6 +2,12 @@
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
+    <parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.2.1.RELEASE</version>
+		<relativePath/>
+	</parent>
     <groupId>com.sunyo.wlpt.message.bus.service</groupId>
     <artifactId>message_bus_service</artifactId>
     <version>1.0.0</version>
@@ -12,8 +18,8 @@
         <java.version>1.8</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <spring-boot.version>2.1.7.RELEASE</spring-boot.version>
-        <spring-cloud.version>Greenwich.SR2</spring-cloud.version>
+        <spring-cloud.version>Hoxton.RELEASE</spring-cloud.version>
+<!--        <elasticsearch.version>6.8.0</elasticsearch.version>-->
     </properties>
 
     <dependencies>
@@ -35,6 +41,12 @@
             <artifactId>spring-boot-starter-amqp</artifactId>
             <version>2.1.8.RELEASE</version>
         </dependency>
+
+         <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
+        </dependency>
+
         <!-- SpringBoot end -->
         <!-- SpringCloud start -->
         <dependency>
@@ -155,13 +167,13 @@
 
     <dependencyManagement>
         <dependencies>
-            <dependency>
-                <groupId>org.springframework.boot</groupId>
-                <artifactId>spring-boot-dependencies</artifactId>
-                <version>${spring-boot.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
+<!--            <dependency>-->
+<!--                <groupId>org.springframework.boot</groupId>-->
+<!--                <artifactId>spring-boot-dependencies</artifactId>-->
+<!--                <version>${spring-boot.version}</version>-->
+<!--                <type>pom</type>-->
+<!--                <scope>import</scope>-->
+<!--            </dependency>-->
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-dependencies</artifactId>