[erlang-questions] "Empty" appups on the form {"<version>", [], []} in OTP

Siri Hansen <>
Fri Aug 24 14:45:08 CEST 2012

Hi Ulf!

In general type of empty appup files indicate that the application is not
prepared to be upgraded in a live system, e.g. because it is a tool which
is not expected to be included in a live system at all. However, we have
lately learned that there are applications with empty appup files that
*should* be possible to upgrade, and these must be corrected. We are
working on the priorities.

Are there any application(s) in particular that you would flag as high prio?


2012/8/20 Ulf Leopold <>

> Hi All,
> I see that many apps in OTP (R14 & R15) have appups on the form:
>  {"<version>",[],[]}
> systools:make_relup does not seem to like them. How should they be
> interpreted? Does it mean that this particular app has no sanctioned
> upgrade/downgrade instruction?
> Thanks,
> Ulf
> _______________________________________________
> erlang-questions mailing list
> http://erlang.org/mailman/listinfo/erlang-questions
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://erlang.org/pipermail/erlang-questions/attachments/20120824/9e104ffc/attachment.html>

More information about the erlang-questions mailing list