Server configuration values are locked in web management console
Issue
- In web management console in Red Hat JBoss Enterprise Application Platform (EAP) 6, some server configuration fields are locked / disabled sometimes.
- After I click the "Edit" button there is "Lock icon" appears as in attached picture and I can't modify the value which has lock icon.

Environment
- Red Hat JBoss Enterprise Application Platform (EAP)
- 6.x
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