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[5.5, rc2] -register local and remote GF instance in the IDE -shutdown the IDE and disconnect your box from the network -restart the IDE -expand Runtime -> Servers node => Authentication failed message (w/ Unknown host exception: someserver detail message) appears If I'd expect something to happen then it definitelly won't be any error message. Maybe some different node icon/badge which will let me know that remote server instance cannot be controlled for some reason could be usefull.
Nitya... please duplicate this situation and then get a thread dump when the dialog box is open. attach it to the issue and assign it to me.
this doesn't appear to be an issue now. Re-open the issue with more details if you are able to reproduce this.
v.