[openrtm-users 01192] Re: Problem shutting down component when more then one connection exists

[Steffen Wittmeier]

Hi,

I have to add that the problem seems to appear only when I use our own 
component connection code. Manual connection in the system editor works.

Could you maybe provide some example code for corba port connection? In 
the examples I could only find example code for data port connection.

Thanks,
Steffen Wittmeier

On 04/16/2010 04:53 PM, Steffen Wittmeier wrote:
> Hi,
>
> I receive a seg-fault when calling cleanupComponents(). The problem only
> occurs in the following setups (see also attached screenshot).
>
> If component A (here LogViewer) is destructed by calling exit() on the
> component and cleanupComponents() on the manager (somehow
> cleanupComponent(rtc) does not call the destructor?) and this component
> A is connected to a port of component B (LogManager) which is turn
> connected to a component C (EcceosModel) I receive the seg-fault.
>
> In contrast, if I remove the connection between component B and C and
> call exit() on component A, the application exits normally.
>
> I attached a backtrace of the seg-fault. You can see that I am calling
> cleanupComponents() that leads to the destructor call of the PortProfile
> which causes the error.
>
> Is this some internal error where you could provide a fix for? As I
> receive the same error when I exit the component A in the
> RTSystemEditor, it seems that it is not a problem of the component
> deletion within my code.
>
> Any help is appreciated...
>
>
> Many thanks in advance,
> Steffen Wittmeier
>
>
> #0 0x00007ffff2129f3f in omni::releaseObjRef(omniObjRef*) () from
> /usr/lib/libomniORB4.so.1
> #1 0x00007ffff74aa18b in RTC::PortProfile::~PortProfile() () from
> /usr/local/lib/libRTC-1.0.0.so.0
> #2 0x00007ffff750e6e0 in RTC::PortBase::~PortBase() () from
> /usr/local/lib/libRTC-1.0.0.so.0
> #3 0x00007ffff74ef6f6 in RTC::CorbaPort::~CorbaPort() () from
> /usr/local/lib/libRTC-1.0.0.so.0
> #4 0x00007ffff5ec4f1c in ~LogViewer (this=0xbcdfb0, __in_chrg=<value
> optimized out>, __vtt_parm=<value optimized out>)
> at
> /home/wittmeis/projects/eccerobot/workspaces/workspaceC++/gui ＠ src/src/er/gui/util/log/LogViewer.cpp:111
>
> #5 0x00007ffff5ec9d6f in RTC::Delete<er::gui::util::log::LogViewer>
> (rtc=0xbce080) at /usr/local/include/rtm/Factory.h:94
> #6 0x00007ffff747e688 in RTC::FactoryCXX::destroy(RTC::RTObject_impl*)
> () from /usr/local/lib/libRTC-1.0.0.so.0
> #7 0x00007ffff748e027 in
> RTC::Manager::deleteComponent(RTC::RTObject_impl*) () from
> /usr/local/lib/libRTC-1.0.0.so.0
> #8 0x00007ffff748e8a4 in RTC::Manager::cleanupComponents() () from
> /usr/local/lib/libRTC-1.0.0.so.0
> #9 0x00007ffff1a05e77 in coil::Timer::invoke() () from
> /usr/local/stow/OpenRTM-aist-1.0.0/lib/libcoil.so.0
> #10 0x00007ffff1a05ef8 in coil::Timer::svc() () from
> /usr/local/stow/OpenRTM-aist-1.0.0/lib/libcoil.so.0
> #11 0x00007ffff1a0a24a in coil::Task::svc_run(void*) () from
> /usr/local/stow/OpenRTM-aist-1.0.0/lib/libcoil.so.0
> #12 0x00007ffff240ca04 in start_thread (arg=<value optimized out>) at
> pthread_create.c:300
> #13 0x00007ffff270180d in clone () at
> ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
>
>
>