On 03/26/2012 12:36 AM, Alexander Duda wrote:
>
>
>
>
> Am 25.03.2012 um 17:29 schrieb Sagar Behere<sagar [dot] behere [..] ...>:
>
>> On 03/25/2012 11:31 AM, Alexander Duda wrote:
>>>
>>>
>>>
>>>
>>> Am 24.03.2012 um 18:04 schrieb Sagar Behere<sagar [dot] behere [..] ...>:
>>>
>>>> Hello,
>>>>
>>>> After installing rock and following the tutorial, I am now just past the
>>>> point "Run it" at
>>>> http://rock-robotics.org/documentation/tutorials/110_basics_create_compo...
>>>>
>>>> upon typing: ruby start.rb
>>>
>>> Hi I only have a mobile device so I cannot reproduce the error.
>>> But my best guess is that the start script printed in
>>> the tutorial is not compatible to the current software stack.
>>> Could you please try to replace
>>>
>>> Orocos.run 'message_producer::Task' => 'message_producer' do
>>>
>>> with
>>>
>>> Orocos.run 'message_producer' do
>>>
>>> and give it another try.
>>
>> Didn't work. This is what it says
>> -------
>> sagar@squeezebox:~/rock/basics_tutorial/orogen/message_producer/scripts$
>> ruby start.rb
>> /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:106:in
>> `initialize': deployment message_producer does not exist or its
>> pkg-config orogen-message_producer is not found by pkg-config
>> (Orocos::NotFound)
>> check your PKG_CONFIG_PATH environment var. Current value is
>> /home/sagar/rock/install/lib/pkgconfig:/home/sagar/rock/install/lib64/pkgconfig:/home/sagar/rock/install/share/pkgconfig:/usr/lib64/pkgconfig:/usr/lib/pkgconfig:
>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:245:in `new'
>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:245:in `run'
>> from
>> /home/sagar/rock/tools/utilrb/lib/utilrb/kernel/load_dsl_file.rb:99:in `map'
>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:244:in `each'
>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:244:in `map'
>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:244:in `run'
>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:48:in `run'
>> from start.rb:8
>> sagar@squeezebox:~/rock/basics_tutorial/orogen/message_producer/scripts$
>> -------------
>>
>
> The tutorial did not work properly on your machine because there is a problem between boost 1.42 and the default deployments (this was your first back trace).
>
> I wrongly assumed that you have added a deployment named message_producer therefore you are getting the error printed above.
>
> To add your own deployment add the follow lines to the file message_producer.orogen and rebuild your component (see http://rock-robotics.org/documentation/orogen/deployment.html).
>
> deployment "message_producer" do
> task("message_producer","message_producer::Task")
> end
>

Thank you, Alex. That worked. This means that the tutorial needs to be
modified at two places. 1) The place where the message_producer.orogen
is described and the place where start.rb is described. (I retained the
changes to start.rb that you suggested in your previous email.)

Regards,
Sagar

>>> Alex
>>>
>>>>
>>>> I get the error below. After trying the valgrind command the output
>>>> asked me to run, I got a _lot_ of text flying across the screen and then
>>>> it paused for a long time. I got a bit impatient and Ctrl+C'ed the
>>>> process and then even more texts flew across the screen, all of which I
>>>> did not really understand.
>>>>
>>>> Could someone say what is going on? I can continue running Valgrind and
>>>> attach all its output if necessary.
>>>>
>>>> /Sagar
>>>> ---------
>>>> sagar@squeezebox:~/rock/basics_tutorial/orogen/message_producer/scripts$
>>>> ruby start.rb
>>>>
>>>> Caught std::exception.
>>>> what(): multiple occurrences
>>>>
>>>> Orocos has detected an uncaught C++ exception
>>>> in the ORO_main() function.
>>>> You might have called a function which throws
>>>> without a try {} catch {} block.
>>>>
>>>> To Debug this situation, issue the following command:
>>>>
>>>> valgrind -v --num-callers=16
>>>> /home/sagar/rock/install/bin/orogen_default_message_producer__Task
>>>> [options...] --nocatch
>>>> Which will show where the exception occured.
>>>> ( Change num-callers for more/less detail.
>>>> Also, compiling orocos and your program with
>>>> -g adds more usefull information. )
>>>>
>>>> Orocos: deployment orogen_default_message_producer__Task terminated with
>>>> code 65280
>>>> /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:447:in
>>>> `wait_running': Orocos::Process was started but crashed (Orocos::NotFound)
>>>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:470:in
>>>> `wait_running'
>>>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:267:in `run'
>>>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:267:in `each'
>>>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:267:in `run'
>>>> from /home/sagar/rock/tools/orocos.rb/lib/orocos/process.rb:48:in `run'
>>>> from start.rb:8
>>>> sagar@squeezebox:~/rock/basics_tutorial/orogen/message_producer/scripts$
>>>> ---------
>>>> --
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>>
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