The Eclipse plugin cannot communicate with the GlassFish server, status is :CREDENTIAL_ERROR

Question

I am able to start Glassfish through command line. However, when I try to start the server through Eclipse I encounter the following error:

The Ecli

Answer 1

kill java process from task manager if it not show java process then restart your pc >> it work for me

Answer 2

Take a look at your Anti-Virus Web Scanning settings. Mine had an entry for port 8080 to be scanned for http traffic. I removed it and the server could then be launched without a problem from within Eclipse.

Regards Chris

Answer 3

This is caused to me from AVG Network Scanner Service. This service is occupying port 8080 !