pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>
    <packaging>war</packaging>
    <version>1.0-SNAPSHOT</version>

    <groupId>my.group</groupId>
    <artifactId>my-program</artifactId>

    <properties>
        <app.id>my-program</app.id>
        <app.version>1</app.version>
        <appengine.version>1.9.42</appengine.version>
        <gcloud.plugin.version>2.0.9.121.v20160815</gcloud.plugin.version>
        <google-api-client.version>1.21.0</google-api-client.version>
        <google-api-pubsub.version>v1-rev8-1.21.0</google-api-pubsub.version>
        <swagger-maven-plugin-version>3.1.0</swagger-maven-plugin-version>
        <swagger-core-version>1.5.9</swagger-core-version>
        <jersey.version>2.23.2</jersey.version>
        <jackson.core.version>2.8.3</jackson.core.version>
        <jackson.jaxrs.version>2.8.3</jackson.jaxrs.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
        <maven.compiler.showDeprecation>true</maven.compiler.showDeprecation>
        <archiveClasses>true</archiveClasses>
    </properties>

    <prerequisites>
        <maven>3.3.9</maven>
    </prerequisites>

    <dependencies>
        <!-- Compile/runtime dependencies -->
        <dependency>
            <groupId>com.google.appengine</groupId>
            <artifactId>appengine-api-1.0-sdk</artifactId>
            <version>${appengine.version}</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency>
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
          <groupId>com.googlecode.objectify</groupId>
          <artifactId>objectify</artifactId>
          <version>5.1.13</version>
        </dependency>
        <dependency>
            <groupId>com.google.apis</groupId>
            <artifactId>google-api-services-pubsub</artifactId>
            <version>${google-api-pubsub.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>com.fasterxml.jackson.core</groupId>
                    <artifactId>jackson-core</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.glassfish.jersey.core</groupId>
            <artifactId>jersey-server</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jersey.containers</groupId>
            <artifactId>jersey-container-servlet</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glassfish.jersey.ext</groupId>
            <artifactId>jersey-mvc-jsp</artifactId>
            <version>${jersey.version}</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>${jackson.core.version}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>${jackson.core.version}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>${jackson.core.version}</version>
            <exclusions>
                <exclusion>
                  <groupId>com.fasterxml.jackson.core</groupId>
                  <artifactId>jackson-annotations</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.jaxrs</groupId>
            <artifactId>jackson-jaxrs-json-provider</artifactId>
            <version>${jackson.jaxrs.version}</version>
            <exclusions>
                <exclusion>
                  <groupId>com.fasterxml.jackson.core</groupId>
                  <artifactId>jackson-annotations</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!-- Compile dependency -->
        <dependency>
            <groupId>io.swagger</groupId>
            <artifactId>swagger-core</artifactId>
            <version>${swagger-core-version}</version>
            <scope>compile</scope>
            <exclusions>
                <exclusion>
                  <groupId>com.fasterxml.jackson.core</groupId>
                  <artifactId>jackson-core</artifactId>
                </exclusion>
                <exclusion>
                  <groupId>com.fasterxml.jackson.core</groupId>
                  <artifactId>jackson-annotations</artifactId>
                </exclusion>
                <exclusion>
                  <groupId>com.fasterxml.jackson.core</groupId>
                  <artifactId>jackson-databind</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <!-- Test Dependencies -->
        <dependency>
            <groupId>com.google.appengine</groupId>
            <artifactId>appengine-testing</artifactId>
            <version>${appengine.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>com.google.appengine</groupId>
            <artifactId>appengine-api-stubs</artifactId>
            <version>${appengine.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <!-- for hot reload of the web application-->
        <outputDirectory>${project.build.directory}/${project.build.finalName}/WEB-INF/classes</outputDirectory>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>org.codehaus.mojo</groupId>
                    <artifactId>versions-maven-plugin</artifactId>
                    <version>2.1</version>
                    <executions>
                        <execution>
                            <phase>compile</phase>
                            <goals>
                                <goal>display-dependency-updates</goal>
                                <goal>display-plugin-updates</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>

                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>2.6</version>
                    <configuration>
                        <archiveClasses>true</archiveClasses>
                        <webResources>
                            <!-- in order to interpolate version from pom into appengine-web.xml -->
                            <resource>
                                <directory>${basedir}/src/main/webapp/WEB-INF</directory>
                                <filtering>true</filtering>
                                <exclude>**/*.jar</exclude>
                                <targetPath>WEB-INF</targetPath>
                            </resource>
                        </webResources>
                    </configuration>
                </plugin>

                <plugin>
                    <groupId>com.google.appengine</groupId>
                    <artifactId>appengine-maven-plugin</artifactId>
                    <version>${appengine.version}</version>
                    <configuration>
                        <enableJarClasses>false</enableJarClasses>
                        <version>${app.version}</version>
                        <!-- Comment in the below snippet to bind to all IPs instead of just localhost -->
                        <address>0.0.0.0</address>
                        <port>8080</port>
                        <!-- Comment in the below snippet to enable local debugging with a remote debugger
                             like those included with Eclipse or IntelliJ -->
                        <!-- jvmFlags>
                          <jvmFlag>-agentlib:jdwp=transport=dt_socket,address=8000,server=y,suspend=n</jvmFlag>
                        </jvmFlags -->
                    </configuration>
                </plugin>
                <plugin>
                  <groupId>com.google.appengine</groupId>
                  <artifactId>gcloud-maven-plugin</artifactId>
                  <version>${gcloud.plugin.version}</version>
                  <configuration>
                    <set_default>true</set_default>
                  </configuration>
                </plugin>
                <plugin>
                    <groupId>com.github.kongchen</groupId>
                    ....
                </plugin>
            </plugins>
        </pluginManagement>
        <plugins>
            <plugin>
                <groupId>com.google.appengine</groupId>
                <artifactId>appengine-maven-plugin</artifactId>
            </plugin>
            <plugin>
                <groupId>com.github.kongchen</groupId>
                <artifactId>swagger-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>