rev 46259
note that the fileEntry examples all had the same id and so used <ace:message for="...." with a unique id for each example to ensure that the actual message (since the fileEntry is the only component on the form don't need ace:messages), is tied to a unique component id.
For the growlMessages and ace:messages example use the following
<icecore:config messagePersistence="false"/>
to clear the messages between requests.

Re-opening because of regressions found on ICEfaces4 trunk r46259:
1) showcase > fileEntry - Callback:
The error message when trying to upload a .pdf file fails to explain what is wrong with the upload; it only prints the name of the file (see callback1.PNG attached).

2) messages > Overview:
When tabbing through the entries, only the last message is rendered (all browsers).

rev 46306

ICEfaces4 trunk r46307: issue 2) above can still be reproduced.

sorry. I had forgot to modify the showcase examples, so checked it in under ICE-10877 rev 46308, please update your showcase to that revision. (you may have tested the showcase without using the new value on the "for" attribute).

Verified on r46309 showcase > growlMessages, messages, fileEntry, no issues found (FF41, IE11, Chrome46).