用脚本执行jdk时下面的错误

can not initialize UI,

Running in headless mode,

No X11 DISPLAY variable was set, but this program performed an operation which requires it.

 

如何解决呢？

执行 

sudo vi /etc/profile

 

在文件尾部增加一行：

export  DISPLAY=:0

 

此时再去执行jdk脚本，就没有问题了。