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List:       activemq-users
Subject:    Re: Openwire C library problem
From:       Timothy Bish <tabish121 () gmail ! com>
Date:       2014-02-27 23:24:41
Message-ID: 530FC939.6000409 () gmail ! com
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On 02/26/2014 09:01 PM, yanglimin@dssp.com.cn wrote:
> I'm trying to get the hello world example to run using the C library for
> Openwire.
> So far, I've had no luck... I get an error message saying "Could not
> connect: Cannot allocate memory (12).
> Digging into the code, it looks like the problem happens in
> ow_create_object() - the passed object is of type 99 which drops out of the
> function's switch statement.
> Anyone have any ideas on why this function is being sent a type 99?
> Since I can't step through the code with my debugger without crashing
> activemq, I went through the call stack manually and have written it below:
> main
>   amqcs_connect
>     ow_read_command
>       ow_unmarshal_object
>         ow_unmarshal_WireFormatInfo
>           ow_unmarshal_nested_object
>             ow_create_object	\\type 99 is not valid
>           ow_unmarshal_nested_object
>         ow_unmarshal_WireFormatInfo
>       ow_unmarshal_object
>     ow_read_command  \\fail
> Again, any help or advice would be greatly appreciated!
>
>
>
>
> ylmylm224@126.com

The Openwire C client is not maintained so it's probably not worth
spending a lot of time on.

Are you confined to using C code or can you use C++, we have a very
mature C++ client ActiveMQ-CPP

http://activemq.apache.org/cms/

And there is a C wrapper lib

https://github.com/fusesource/fusemq-c

-- 
Tim Bish
Sr Software Engineer | RedHat Inc.
tim.bish@redhat.com | www.fusesource.com | www.redhat.com 
skype: tabish121 | twitter: @tabish121
blog: http://timbish.blogspot.com/

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