Fix elastic search plugin not work. (#1691)

apm-protocol/apm-network/src/main/java/org/apache/skywalking/apm/network/trace/component/ComponentsDefine.java

@@ -96,6 +96,8 @@ public class ComponentsDefine {
 
     public static final  OfficialComponent ACTIVEMQ_CONSUMER = new OfficialComponent(46,"activemq-consumer");
 
+    public static final OfficialComponent TRANSPORT_CLIENT =  new OfficialComponent(48, "transport-client");
+
     private static ComponentsDefine INSTANCE = new ComponentsDefine();
 
     private String[] components;

apm-sniffer/apm-sdk-plugin/elasticsearch-5.x-plugin/pom.xml

@@ -22,7 +22,7 @@
     <parent>
         <artifactId>apm-sdk-plugin</artifactId>
         <groupId>org.apache.skywalking</groupId>
-        <version>5.0.0-RC-SNAPSHOT</version>
+        <version>6.0.0-alpha-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

apm-sniffer/apm-sdk-plugin/pom.xml

@@ -58,6 +58,7 @@
         <module>hystrix-1.x-plugin</module>
         <module>sofarpc-plugin</module>
         <module>activemq-5.x-plugin</module>
+        <module>elasticsearch-5.x-plugin</module>
     </modules>
     <packaging>pom</packaging>