chore(rest): remove WAS 9 support

Related to camunda#3607

engine-rest/assembly/assembly-war-was9.xml → engine-rest/assembly/assembly-war-was.xml

@@ -2,7 +2,7 @@
 <assembly xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xmlns="urn:maven:assembly:1.1.2">
 
-  <id>was9</id>
+  <id>was</id>
 
   <formats>
     <format>war</format>
@@ -12,7 +12,7 @@
 
   <fileSets>
     <fileSet>
-      <directory>src/main/runtime/was9/webapp</directory>
+      <directory>src/main/runtime/was/webapp</directory>
       <outputDirectory>/</outputDirectory>
     </fileSet>
   </fileSets>

engine-rest/assembly/pom.xml

@@ -115,18 +115,18 @@
           </execution>
 
           <execution>
-            <id>was9</id>
+            <id>was</id>
             <phase>package</phase>
             <goals>
               <goal>single</goal>
             </goals>
             <configuration>
               <descriptors>
-                <descriptor>assembly-war-was9.xml</descriptor>
+                <descriptor>assembly-war-was.xml</descriptor>
               </descriptors>
               <finalName>camunda-engine-rest-${project.version}</finalName>
               <attach>true</attach>
-              <classifier>was9</classifier>
+              <classifier>was</classifier>
               <outputDirectory>target/</outputDirectory>
               <workDirectory>target/assembly/work</workDirectory>
             </configuration>

engine-rest/assembly/src/main/runtime/was/webapp/WEB-INF/web.xml

@@ -1,18 +1,31 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
+<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
+         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
 
-  <display-name>Camunda Platform rest api</display-name>
+  <display-name>Camunda Platform REST API</display-name>
+
+  <!-- Fetch And Lock Handler (long polling): Unique Worker Request (default value: false) -->
+  <!--
+  <context-param>
+    <param-name>fetch-and-lock-unique-worker-request</param-name>
+    <param-value>true</param-value>
+  </context-param>
+  -->
 
   <!-- rest bootstrap listener -->
   <listener>
     <listener-class>org.camunda.bpm.engine.rest.impl.web.bootstrap.RestContainerBootstrap</listener-class>
   </listener>
 
+  <listener>
+    <listener-class>org.camunda.bpm.engine.rest.impl.FetchAndLockContextListener</listener-class>
+  </listener>
+
   <filter>
     <filter-name>EmptyBodyFilter</filter-name>
     <filter-class>org.camunda.bpm.engine.rest.filter.EmptyBodyFilter</filter-class>
+    <async-supported>true</async-supported>
   </filter>
   <filter-mapping>
     <filter-name>EmptyBodyFilter</filter-name>
@@ -21,20 +34,20 @@
 
   <filter>
     <filter-name>CacheControlFilter</filter-name>
-    <filter-class>org.camunda.bpm.engine.rest.filter.CacheControlFilter</filter-class>    
+    <filter-class>org.camunda.bpm.engine.rest.filter.CacheControlFilter</filter-class>
+    <async-supported>true</async-supported>
   </filter>
   <filter-mapping>
     <filter-name>CacheControlFilter</filter-name>
     <url-pattern>/*</url-pattern>
   </filter-mapping>
-  
+
   <!-- Http Basic Authentication Filter -->
   <!-- <filter>
     <filter-name>camunda-auth</filter-name>
     <filter-class>
       org.camunda.bpm.engine.rest.security.auth.ProcessEngineAuthenticationFilter
     </filter-class>
-	<async-supported>true</async-supported>
     <init-param>
       <param-name>authentication-provider</param-name>
       <param-value>org.camunda.bpm.engine.rest.security.auth.impl.HttpBasicAuthenticationProvider</param-value>
@@ -45,14 +58,15 @@
     <filter-name>camunda-auth</filter-name>
     <url-pattern>/*</url-pattern>
   </filter-mapping> -->
-  
+
   <servlet>
     <servlet-name>Engine API</servlet-name>
-    <servlet-class>org.apache.wink.server.internal.servlet.RestServlet</servlet-class>
+    <servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
     <init-param>
       <param-name>javax.ws.rs.Application</param-name>
       <param-value>org.camunda.bpm.engine.rest.impl.application.DefaultApplication</param-value>
     </init-param>
+    <async-supported>true</async-supported>
   </servlet>
 
   <servlet-mapping>