No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK? [INFO] 1 error

to FIX this 

Go to Window → Preferences → Java → Installed to JDK

Like this 

Glassfish server runtime requires full JDK instead of JRE

Glassfish server runtime requires full JDK instead of JRE

Start eclipse

Go To windows ---> Preferances

Under javainstalled JRES hit Add button

Select ‘Standard VM’ Then Next

Set JREHome=” C:\Program Files\Java\jdk1.6.XXXX”

Click Finish