2.4.12 vs 3.0.2 different protocol behaviour

[Gabriele Bulfon]

Hi,
I found a problem while scanning the imap tree through our java web app, behaving differently from a 2.4.12 to a 3.0.2 upgraded.
Looking at the protocol I find these differences:
==2.4.12==
. LIST "" "Other Users"
* LIST (\Noselect \HasChildren) "/" "Other Users"
. OK Completed (0.000 secs 192 calls)
==3.0.2==
. LIST "" "Other Users"
. OK Completed (0.000 secs)
So, what happens is that while the java code is checking existence of a folder in the tree, on 3.0.2 it receives an error.
Systems are same, replicated, but one upgraded to 3.0.2, so imap base and configuration is the same, but for the 3.0.2 trimmings.
Is there any setting for compatibility in this case?
Thanx!
Gabriele
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