[rabbitmq-discuss] Warnings on server startup
jon.rowland at isam.com
Fri Oct 15 12:21:25 BST 2010
I had the same problem a month or so ago, see the thread "Plug-in out of date warnings when starting the RabbitMQ server on Windows".
I didn't manage to resolve (moved on to something else).
From: rabbitmq-discuss-bounces at lists.rabbitmq.com [mailto:rabbitmq-discuss-bounces at lists.rabbitmq.com] On Behalf Of David Wragg
Sent: 15 October 2010 12:18
To: Lars Wilhelmsen
Cc: rabbitmq-discuss at lists.rabbitmq.com
Subject: Re: [rabbitmq-discuss] Warnings on server startup
Lars Wilhelmsen <larsw at kredinor.no> writes:
> I'm a RabbitMQ newbie with a fresh Erlang (18.104.22.168) and RabbitMQ
> (2.1.0) installation on my Win7-64 laptop.
> When I start the server with rabbitmq-server.bat, it reports:
> *WARNING* rabbit: Object code (delegate) out of date
> *WARNING* rabbit: Object code (worker_pool_sup) out of date
> What do I have to do to resolve these warnings?
I think these warnings result from you having erlang object code files
(.beam files) and erlang source code files (.erl files), and erlang
noticing that the source code files have been modified after the
corresponding object code files, therefore the object code files are out
I'm not sure what might have led up to this situation occuring for you -
it doesn't seem to have been reported before. But deleting the source
files in rabbitmq_server-2.1.0\src should fix it - they are not required
for rabbitmq-server to function.
> Can it be that
> RabbitMQ was built against an earlier version of Erlang (5.8.1
> perhaps) and because of that it reports the warnings?
We always build RabbitMQ releases with quite an old version of erlang
anyway, in order to be able to run on a wide range of erlang releases.
Staff Engineer, RabbitMQ
SpringSource, a division of VMware
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