maven运行需要的jvm相关变量设定
maven报错误：
The system is out of resources.
Consult the following stack trace for details.
java.lang.OutOfMemoryError: GC overhead limit exceeded

设置环境变量：
MAVEN_OPTS = -Xmx1024m -Xms256m

Maven2以上：
配置javac参数：nowarn
maven-compiler-plugin
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<compilerArgument>-nowarn</compilerArgument>
<compilerArgument>-verbose</compilerArgument>
</configuration>
</plugin>