[javac] Compiling 1 source file to E:\mf\saas_20190906\build\dist\saasapi\WEB-INF\classes
[javac] javac: 无效的目标发行版: 1.8
[javac] 用法: javac <options> <source files>
[javac] -help 用于列出可能的选项
Project using ant packaged. After importing a new branch, suggesting this package.
It is clear: java version is not a problem, because before branching configuration has not changed.
Compared the java project - Properties contents inside, we have no access. java Complier also jdk1.8, but as I recall, was set off. At last
On the build.xml Right, - Run as, - External Tools Configurations in the inside.