Windows7 64bit mvn command prompt ' cmd ' is not an internal or external command, nor is it an executable program or a batch file

First, open a command prompt, enter the following command to try the Echo%m2_home% carriage return if the path shown and the installation path are consistent, configuration is not a problem;

The cause of this problem may be the path problem, which may be caused by a software installation that changes the system mapping path.

The corresponding workaround is to add%systemroot%\system32 to path. Note: You need to add a semicolon before%SystemRoot%\System32.

Note: to restart Cmd.exe.

Reprinted from http://blog.csdn.net/crazzy0727/article/details/38591467, thanks to bloggers for sharing

Windows7 64bit mvn command prompt ' cmd ' is not an internal or external command, nor is it an executable program or a batch file