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Guest
Posted: Wed May 06, 2009 8:11 am Reply with quote
Guest
First, I apologize if this issue was covered earlier on the list. I
searched the last few months of the archives and on Google trying to find a
solution to this problem with no luck.

I'm trying to run the rabbitmq-server on my mac, but I keep on running into
a rather cryptic error:

>>>
computer:rabbitmq kyle$ sudo -H -u rabbitmq rabbitmq-server
{"init terminating in
do_boot",{undef,[{rabbit,start,[]},{init,start_it,1},{init,start_em,1}]}}

Crash dump was written to: erl_crash.dump
init terminating in do_boot ()
<<<

The logs in /var/log/rabbitmq are both empty files and I'm unable to
determine anything obvious (to an erlang newbie, at least) from the
erl_crash.dump file.

I installed rabbitmq using MacPorts and the latest stable build linked to
from http://www.rabbitmq.com/install.html#macports. The installation seemed
to work ok and the the various files and folders for logs, etc. seemed to
all have been created correctly.

Any idea what is going wrong with my install?

Thanks,

Kyle Wilkinson


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Guest
Posted: Thu May 07, 2009 6:25 am Reply with quote
Guest
Kyle,

Kyle Wilkinson wrote:
> I'm trying to run the rabbitmq-server on my mac, but I keep on running into
> a rather cryptic error:
>
> computer:rabbitmq kyle$ sudo -H -u rabbitmq rabbitmq-server
> {"init terminating in
> do_boot",{undef,[{rabbit,start,[]},{init,start_it,1},{init,start_em,1}]}}

Looks like Erlang cannot find the rabbitmq libraries.

The libs are meant to get installed into the same dir tree as
Erlang/OTP's core libs. That's usually s.t. like /usr/lib/erlang/lib,
but could be different if you installed Erlang manually.

So ...

1) find out where your Erlang libs are installed, e.g. by evaluating
code:get_path().
in an Erlang shell.

2) find out where your rabbitmq libraries are installed, e.g. by
searching the filesystem for "rabbit.beam"

3) If the two are in a different place, create a symlink from the Erlang
libs dir to the rabbitmq libs.


Regards,

Matthias.

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wailian
Posted: Tue Mar 20, 2012 2:19 am Reply with quote
Guest
i/p transducer requires a standard input and is for use with linear pneumatic actuators and has high air capacity. It can be easy change of the output signal from. electro pneumatic transducer is used, for example, in the biomedical field for the pneumatic control of a cardiac module, or artificial heart.
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