add missing dependency to jaxrs pom

Author: wing328

modules/swagger-codegen/src/main/resources/JavaJaxRS/pom.mustache

@@ -133,7 +133,12 @@
       <artifactId>jersey-media-multipart</artifactId>
       <version>${jersey2-version}</version>
     </dependency>
-      <!-- Base64 encoding that works in both JVM and Android -->
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-core</artifactId>
+      <version>${jackson-version}</version>
+    </dependency>
+    <!-- Base64 encoding that works in both JVM and Android -->
     <dependency>
       <groupId>com.brsanthu</groupId>
       <artifactId>migbase64</artifactId>
@@ -181,6 +186,7 @@
     <swagger-core-version>1.5.12</swagger-core-version>
     <jetty-version>9.2.9.v20150224</jetty-version>
     <jersey2-version>2.22.2</jersey2-version>
+    <jackson-version>2.8.7</jersey2-version>
   {{#supportJava6}}
     <commons_io_version>2.5</commons_io_version>
     <commons_lang3_version>3.5</commons_lang3_version>

samples/server/petstore/jaxrs/jersey2/pom.xml

@@ -133,7 +133,12 @@
       <artifactId>jersey-media-multipart</artifactId>
       <version>${jersey2-version}</version>
     </dependency>
-      <!-- Base64 encoding that works in both JVM and Android -->
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-core</artifactId>
+      <version>${jackson-version}</version>
+    </dependency>
+    <!-- Base64 encoding that works in both JVM and Android -->
     <dependency>
       <groupId>com.brsanthu</groupId>
       <artifactId>migbase64</artifactId>
@@ -166,6 +171,7 @@
     <swagger-core-version>1.5.12</swagger-core-version>
     <jetty-version>9.2.9.v20150224</jetty-version>
     <jersey2-version>2.22.2</jersey2-version>
+    <jackson-version>2.8.7</jersey2-version>
     <junit-version>4.12</junit-version>
     <logback-version>1.1.7</logback-version>
     <servlet-api-version>2.5</servlet-api-version>