|[ANN] Service Release for RAP 2.0 fixes critical bug [message #1063988]
||Mon, 17 June 2013 03:22
|| Ralf Sternberg
Registered: July 2009
we've discovered a critical bug  in RAP 2.0. This bug, which seems to
affect all IE browsers, leads to a permanent sequence of requests while
the server push is activated. This can cause extreme server load,
especially for applications that enable server push globally.
The problem is almost invisible at development time as it doesn't cause
any functional problems and the increased load is hardly noticeable with
a single session. That's one reason why this bug could slip through all
Since we regard this bug as critical, we decided to provide a fix with
an unscheduled service release, RAP 2.0.1. Besides this bugfix, the
service release contains only one additional fix for another bug that
can lead to a client crash when the browser is zoomed . Both issues
are fixed in RAP 2.1.
RAP 2.0.1 is immediately available on our download page  and in the
RAP 2.0 repository. Everyone who uses RAP 2.0 should upgrade to 2.0.1.
Since only the rwt bundle is affected, other bundle's versions remain
unchanged. There is also no update for the RAP Tools.
We're sorry for the inconvenience this bug may have caused.
 Bug 410157: [ServerPush] ServerPush requests always return
immediately in IE
 408701: IllegalArgumentException: "Not a valid integer number" when
browser zoom < 100%(IE10)
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