refs - swagger-api/swagger-codegen#9203 - fixing sample jaxrs-resteasy-joda readme pom

Author: gracekarina

src/main/java/io/swagger/codegen/v3/generators/java/AbstractJavaJAXRSServerCodegen.java

@@ -96,7 +96,9 @@ public void preprocessOpenAPI(OpenAPI openAPI) {
             final URL urlInfo = URLPathUtil.getServerURL(openAPI);
             String port = "8080"; // Default value for a JEE Server
             if ( urlInfo != null && urlInfo.getPort() != 0) {
-                port = String.valueOf(urlInfo.getPort());
+                if (urlInfo.getPort() != -1) {
+                    port = String.valueOf(urlInfo.getPort());
+                }
             }
             this.additionalProperties.put("serverPort", port);
         }

src/main/resources/handlebars/JavaJaxRS/resteasy/README.mustache

@@ -10,7 +10,7 @@ This example uses the [JAX-RS](https://jax-rs-spec.java.net/) framework.
 To run the server, please execute the following:
 
 ```
-mvn clean package jetty:run
+mvn clean package
 ```
 
 You can then view the swagger listing here:

src/main/resources/handlebars/JavaJaxRS/resteasy/pom.mustache

@@ -185,6 +185,12 @@
                 </exclusion>
             </exclusions>
         </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>4.5.10</version>
+            <scope>test</scope>
+        </dependency>
 {{#useBeanValidation}}
     <!-- Bean Validation API support -->
     <dependency>