Debug:eclipse Debug occurs cannot connect to VM Select failed error

When you perform a debug operation, eclipse
The "Cannot connect to VM Select Failed" error appears in Eclipse Debug,
Find this error on the internet and IPv4, IPv6 about, but do not know the specific reason.

Here's how to fix it:
Search for "Eclipse.ini" files, typically in the installation directory of Eclipse,
Add the following control parameters:
-djava.net.preferipv4stack=true
Can.
This parameter turns off the IPv6 functionality of the JVM and can be consulted in the following articles:
Http://www.west263.com/info/html/chengxusheji/Javajishu/20080226/45452.html

PS: If it is myeclipse, add the above control parameter in Myeclipse.ini.

Debug:eclipse Debug occurs cannot connect to VM Select failed error