我正在将我的应用程序从java 1.6升级到1.7。error message: warning: [options] bootstrap class path not set in conjunction with -source 1.6 Apache Maven 3.2.1 (ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9; 2014Java version: 1.7.0_5
(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)at java.net.U