无法编译maven项目[无需编译源代码]

Question

<?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>
    <groupId>test-framework</groupId>
    <artifactId>qa-framework</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>Simple Test Automation framework</name>

    <properties>
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <serenity.version>1.1.38</serenity.version>
        <serenity.jbehave.version>1.13.0</serenity.jbehave.version>
        <log4j.version>1.2.17</log4j.version>
        <maven-site-plugin.version>3.4</maven-site-plugin.version>
        <maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
        <maven-failsafe-plugin.version>2.18.1</maven-failsafe-plugin.version>
        <maven-surefire-plugin.version>2.18.1</maven-surefire-plugin.version>
        <exec-maven-plugin.version>1.2.1</exec-maven-plugin.version>
    </properties>

    <repositories>
        <repository>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
            <id>central</id>
            <name>bintray</name>
            <url>http://jcenter.bintray.com</url>
        </repository>
    </repositories>
    <pluginRepositories>
        <pluginRepository>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
            <id>central</id>
            <name>bintray-plugins</name>
            <url>http://jcenter.bintray.com</url>
        </pluginRepository>
    </pluginRepositories>

    <dependencies>
        <dependency>
            <groupId>net.serenity-bdd</groupId>
            <artifactId>serenity-core</artifactId>
            <version>${serenity.version}</version>
        </dependency>
        <dependency>
            <groupId>net.serenity-bdd</groupId>
            <artifactId>serenity-jbehave</artifactId>
            <version>${serenity.jbehave.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-simple</artifactId>
            <version>1.7.7</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.assertj</groupId>
            <artifactId>assertj-core</artifactId>
            <version>1.7.0</version>
        </dependency>
        <dependency>
            <groupId>com.googlecode.lambdaj</groupId>
            <artifactId>lambdaj</artifactId>
            <version>2.3.3</version>
        </dependency>
        <dependency>
            <groupId>org.unitils</groupId>
            <artifactId>unitils-core</artifactId>
            <version>3.4.2</version>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>${maven-surefire-plugin.version}</version>
            </plugin>
            <plugin>
                <artifactId>maven-failsafe-plugin</artifactId>
                <version>${maven-failsafe-plugin.version}</version>
                <configuration>
                    <includes>
                        <include>**/AcceptanceTestSuite.java</include>
                    </includes>
                </configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>integration-test</goal>
                            <goal>verify</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>${maven-compiler-plugin.version}</version>
                <configuration>
                    <source>${java.version}</source>
                    <target>${java.version}</target>
                    <execution>
                        <id>compile</id>
                        <phase>compile</phase>
                        <goals>
                            <goal>compile</goal>
                        </goals>
                    </execution>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>exec-maven-plugin</artifactId>
                <version>${exec-maven-plugin.version}</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>java</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>net.serenity-bdd.maven.plugins</groupId>
                <artifactId>serenity-maven-plugin</artifactId>
                <version>${serenity.version}</version>
                <executions>
                    <execution>
                        <id>serenity-reports</id>
                        <phase>post-integration-test</phase>
                        <goals>
                            <goal>aggregate</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>

日志输出为：

[INFO]
[INFO] --- maven-compiler-plugin:3.3:compile (default-compile) @ qa-framework ---
[INFO] No sources to compile
[INFO] ------------------------------------------------------------------------