Rabbit MQ 3.7.2 not starting with a rabbitmq.conf file on windows

[Aniket Patil]

Hi, 

I am running rabbitMQ 3.7.2 on windows.

1. Added a rabbitmq.conf file under %AppData%Roaming\RabbitMQ  with the following content 

listeners.tcp.default = 27271

2. When I run the rabbitmq-server I get the following error 

BOOT FAILED

===========

Config file generation failed Could not load module C:\Program Files\erl8.3\erts-8.3\bin\erlexec.dll.

BOOT FAILED

===========

Error description:

    rabbit:start_it/1 line 458

    rabbit:boot_error/2 line 858

    rabbit_lager:log_locations/0 line 43

    rabbit_lager:ensure_lager_configured/0 line 144

    rabbit_lager:lager_configured/0 line 151

    lager:list_all_sinks/0 line 317

    lager_config:get/2 line 71

    ets:lookup(lager_config, {'_global',handlers})

exit:generate_config_file

Log file(s) (may contain more information):

{"init terminating in do_boot",generate_config_file}

init terminating in do_boot (generate_config_file)

Interesting point is if i use the rabbitmq.conf file the error points to  Could not load module C:\Program Files\erl8.3\erts-8.3\bin\erlexec.dll.  

However my ERLANG_HOME envirionment  variable is set to C:\erlang I am not sure why it looks for arlexec.dll at C:\Program Files\erl8.3\erts-8.3\bin. 

Please note If I delete the rabbitMQ.conf it works I am able to start the rabbitMQ server with out any issues. 

I am not sure if I am missing anything here. Appreciate the help on this.  

Thanks,
Aniket

[Luke Bakken]

Hi Aniket,

What Windows version are you using?

Did you install Erlang and RabbitMQ using an administrative user and / or administrative command prompt according to these instructions? https://www.rabbitmq.com/install-windows.html

If you installed Erlang and RabbitMQ using an administrative user, there is no need to set the ERLANG_HOME environment variable.

Thanks,

Luke

[Aniket Patil]

Thanks Luke.  I am testing this on a Windows Server 2016 machine.  Also I did a reinstall of manual instal on windows which needs the ERLANG_HOME to be set.  https://www.rabbitmq.com/install-windows-manual.html  

I did figure out that the file needs to named only rabbitmq instead of rabbitmq.conf . So now I have a file named rabbitmq under %APPDATA%\RabbitMQ\ (Ref : https://www.rabbitmq.com/configure.html ) with following entry in it

listeners.tcp.default = 27271

The rabbitmq server now starts but looks like it still does not honor the config file I can see the following in logs. 

Licensed under the MPL.  See http://www.rabbitmq.com/

2018-03-13 10:57:30.136 [info] <0.189.0> 

 node                : rabbit@Dev0002429

 home dir          : C:\Users\anik7857

 config file(s)   : (none)

 cookie hash     : jtNHcxHds7vJ9rxvAQwUsA==

 log(s)               : C:/Users/anik7857/AppData/Roaming/RabbitMQ/log/RABBIT~1.LOG

                         : C:/Users/anik7857/AppData/Roaming/RabbitMQ/log/rabbit@Dev0002429_upgrade.log

 database dir    : c:/Users/anik7857/AppData/Roaming/RabbitMQ/db/RABBIT~1.COM

Am I missing something as per the documentation the config file should be named rabbimq and be at %APPDATA%\RabbitMQ\ for Windows machine. (Ref : https://www.rabbitmq.com/configure.html ) Please let know.

Thanks, Aniket

On Monday, March 12, 2018 at 1:00:58 PM UTC-7, Aniket Patil wrote:

[Arnaud Cogoluègnes]

The configuration file should be C:/Users/anik7857/AppData/Roaming/RabbitMQ/rabbitmq.conf in your case. Not sure where you got the information that it should have no extension.

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[Michael Klishin]

Well, in 3.6.x the .config extension must be omitted but starting with 3.7.x it can be added

and for rabbitmq.conf, it pretty much always is because no examples out there omit it ;)

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MK

Staff Software Engineer, Pivotal/RabbitMQ

[Aniket Patil]

Thank you all. the issue here was the erlang path was pointing to a incorrect location in erl.ini file. Pointing it to correct path resolved the issue.

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[Michael Klishin]

Thank you for reporting back.

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