sun.misc.BASE64Encoder是内部专用 API, 可能会在未来发行版中删除解决方案

<compilerArguments>
<verbose/>
<bootclasspath>${java.home}/lib/rt.jar</bootclasspath>
</compilerArguments>

<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.2</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
<encoding>UTF-8</encoding>
<compilerArguments>
<verbose/>
<bootclasspath>${java.home}/lib/rt.jar</bootclasspath>
</compilerArguments>
</configuration>
</plugin>