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From Manjula Peiris <manj...@wso2.com>
Subject Re: httpd daemon and exceptions
Date Mon, 28 Jul 2008 13:19:04 GMT
Michael,

Are your service functions are declared inside a ,

#ifdef __cplusplus
extern "C"
{
#endif

directives ? If not you should, because your service code seems to be
C++.

And also check whether your code running is running with
simple_axis2_server. 

Thanks,
-Manjula.



On Mon, 2008-07-28 at 14:25 +0200, Michael Sutter wrote:
> Hello Supun,
> 
> the service is generated from a WSDL via the Java code generation.
> 
> The problem is, that the service is calling external libraries which
> can throw
> exceptions. Every time the call throws a exception (which belongs to
> the system
> and mainly depends on the time the library is called) I get a
> segmentation fault,
> but only when a exception is thrown. The call of the external library
> is inside
> a try - catch block, so I think the segmentation fault could not
> occur.
> 
> Kind regards 
> Michael
> 
> Supun Kamburugamuva wrote: 
> > Hi,
> > 
> > It seems that the problem occurs in your service code. Can you
> > please double check weather the service code is correct? BTW did you
> > generate the service or write it manually?
> > 
> > Supun..
> > 
> > On Mon, Jul 28, 2008 at 4:50 PM, Michael Sutter
> > <Michael.Sutter@ipe.fzk.de> wrote:
> >         Hello Rajika,
> >         
> >         I have done what you told me and was able to debug the http
> >         daemon.
> >         The stack trace after the segmentation fault is:
> >         
> >         Program received signal SIGSEGV, Segmentation fault.
> >         0x4252875e in parse_lsda_header () from /usr/lib/libstdc
> >         ++.so.5
> >         (gdb) where
> >         #0  0x4252875e in parse_lsda_header () from /usr/lib/libstdc
> >         ++.so.5
> >         #1  0x42528a5c in __gxx_personality_v0 ()
> >         from /usr/lib/libstdc++.so.5
> >         #2  0x42555454 in _Unwind_RaiseException ()
> >         from /lib/libgcc_s.so.1
> >         #3  0x425555dc in _Unwind_Resume_or_Rethrow ()
> >         from /lib/libgcc_s.so.1
> >         #4  0x42528e9f in __cxa_rethrow () from /usr/lib/libstdc
> >         ++.so.5
> >         #5  0x4103b92f in Esm::EsmClient::SetDaqState ()
> >         from /opt/auger/lib/libEsmClient.so.1.2
> >         #6  0x40ff9ea2 in EyeDaq::EsmProxy::setDaqState ()
> >         from /home/auger/axis2c-1.4.0//services/DaqStatusChange/libDaqStatusChange.so
> >         #7  0x40fe7eab in axis2_skel_DaqStatusChange_setState ()
> >         from /home/auger/axis2c-1.4.0//services/DaqStatusChange/libDaqStatusChange.so
> >         #8  0x40fe4927 in axis2_svc_skel_DaqStatusChange_invoke ()
> >         from /home/auger/axis2c-1.4.0//services/DaqStatusChange/libDaqStatusChange.so
> >         #9  0x404d2f78 in
> >         axis2_raw_xml_in_out_msg_recv_invoke_business_logic_sync
> >         (msg_recv=0x405db914, env=Variable "env" is not available.
> >         ) at raw_xml_in_out_msg_recv.c:219
> >         #10 0x404d2608 in axis2_msg_recv_invoke_business_logic
> >         (msg_recv=0x0, env=0x84c4378, in_msg_ctx=0x84c4c68,
> >         out_msg_ctx=0x84b91a8)
> >             at msg_recv.c:392
> >         #11 0x404d2b70 in axis2_msg_recv_receive_impl
> >         (msg_recv=0x405db914, env=0x84c4378, msg_ctx=0x84c4c68,
> >         callback_recv_param=0x0)
> >             at msg_recv.c:319
> >         #12 0x404d2678 in axis2_msg_recv_receive (msg_recv=0x0,
> >         env=0x84c4378, msg_ctx=0x84c4c68, callback_recv_param=0x0)
> >         at msg_recv.c:431
> >         #13 0x404c8de4 in axis2_engine_receive (engine=0x84b8c90,
> >         env=Variable "env" is not available.
> >         ) at engine.c:315
> >         #14 0x404a547e in
> >         axis2_http_transport_utils_process_http_post_request
> >         (env=Variable "env" is not available.
> >         ) at http_transport_utils.c:595
> >         #15 0x404a1744 in axis2_apache2_worker_process_request
> >         (apache2_worker=0x405a02fc, env=0x84c4378,
> >         request=0x84b0710)
> >             at apache2_worker.c:619
> >         #16 0x4049feb2 in axis2_handler (req=0x84b0710) at
> >         mod_axis2.c:362
> >         #17 0x08069228 in ap_run_handler ()
> >         #18 0x080994c0 in num_request_notes ()
> >         #19 0x08141170 in ?? ()
> >         #20 0x0809a36c in __JCR_LIST__ ()
> >         #21 0x084b0710 in ?? ()
> >         #22 0x084b0710 in ?? ()
> >         #23 0xbfffe8a8 in ?? ()
> >         #24 0x0806c847 in ap_invoke_handler ()
> >         Previous frame inner to this frame (corrupt stack?)
> >         
> >         So I think the parse_lsda_header function causes the
> >         segmentation fault.
> >         I searched through the internet and found a solution that I
> >         should add
> >         -fPIC to my compile arguments, but I doesn't solved my
> >         problem.
> >         Have you any suggestions?
> >         
> >         Kind regards
> >         Michael
> >         
> >         
> >         Rajika Kumarasiri wrote: 
> >         > 
> >         > 
> >         > On Thu, Jul 24, 2008 at 2:01 PM, Michael Sutter
> >         > <Michael.Sutter@ipe.fzk.de> wrote:
> >         >         Hello Rajika,
> >         > Hi,
> >         >  
> >         > 
> >         >         
> >         >         
> >         >         I have attached the apache error log and the axis2
> >         >         log where I've set the debug level to
> >         >         trace. I also searched through the log files, but
> >         >         couldn't find anything which causes the
> >         >         segmentation fault. The response of the server is
> >         >         only: The server ... failed to respond.
> >         >         
> >         >         The back trace of the segmentation fault in the
> >         >         error log is not much as I think. Maybe I've
> >         >         done something wrong? The messages in the error
> >         >         log for uncaught exception are only for 
> >         >         information that the calling service must catch
> >         >         the exceptions.
> >         >         
> >         >         The call looks like:
> >         >         try {
> >         >             FdDaq fd_daq;
> >         >             EyeDaq::EsmProxy* esm = fd_daq.GetEsmProxy();
> >         > 
> >         > Are you sure about this line? Where did you set values?
> >         > It's more like you'll get garbage values  
> >         > 
> >         >         
> >         >           }
> >         >           catch (...) {
> >         >             FD_CERR <<
> >         >         "axis2_skel_DaqStatusChange_setState: exception"
> >         >         << endl;
> >         >           }
> >         >         where the esm throws the exceptions and also
> >         >         writes the "uncaugt exception" lines
> >         >         to the apache error log.
> >         >         
> >         >         I think I've done everything right, please correct
> >         >         me if this isn't so.
> >         > 
> >         > I was thinking about the debugger trace where you can see
> >         > where it breaks. See here how to debug a module in apache.
> >         > http://httpd.apache.org/dev/debugging.html
> >         > BTW, please write to the list without sending private
> >         > mails so that any other one come across the same issue
> >         > she/he can find that archived in the list. 
> >         > 
> >         > -Rajika 
> >         > 
> >         > 
> >         >  
> >         >         
> >         >         
> >         >         Kind regards
> >         >         Michael 
> >         >         
> >         >         
> >         >         Rajika Kumarasiri wrote: 
> >         >         > 
> >         >         > 
> >         >         > On Wed, Jul 23, 2008 at 8:09 PM, Michael Sutter
> >         >         > <Michael.Sutter@ipe.fzk.de> wrote:
> >         >         >         Hello list,
> >         >         > Hello Michael,
> >         >         > If you post the exact error message, logs and
> >         >         > the back trace of the segmentation fault it'd be
> >         >         > easy to determine the exact problem.
> >         >         > 
> >         >         > -Rajika 
> >         >         > 
> >         >         >         
> >         >         >         I have a strange error when running axis
> >         >         >         services with httpd daemon and maybe
> >         >         >         somebody can help me.
> >         >         >         I have a service running which is
> >         >         >         calling system libraries. Special here
> >         >         >         is, that the libraries can throw
> >         >         >         exceptions, so I put the calls in a try
> >         >         >         - catch block.
> >         >         >         
> >         >         >         Nevertheless every time such a exception
> >         >         >         is thrown the service in my httpd gets a
> >         >         >         segmentation fault, so
> >         >         >         it is not possible for me to get the
> >         >         >         error values of the service back to the
> >         >         >         client.
> >         >         >         
> >         >         >         Does anybody know about this behavior or
> >         >         >         how to fix it?
> >         >         >         I'm running Apache 2.0.49 and GCC 3.3.3.
> >         >         >         
> >         >         >         Kind regards
> >         >         >         Michael
> >         >         >         
> >         >         >         ---------------------------------------------------------------------
> >         >         >         To unsubscribe, e-mail:
> >         >         >         axis-c-user-unsubscribe@ws.apache.org
> >         >         >         For additional commands, e-mail:
> >         >         >         axis-c-user-help@ws.apache.org
> >         >         >         
> >         >         > 
> >         >         > 
> >         >         > 
> >         >         > -- 
> >         >         > http://wso2.org/
> >         >         > http://llvm.org/ 
> >         >         
> >         >         [Thu Jul 24 04:39:08 2008] [info]  Apache Axis2/C
> >         >         version in use : 1.4.0
> >         >         [Thu Jul 24 04:39:08 2008] [info]  Starting log
> >         >         with log level 6 and max log file size 10485760
> >         >         [Thu Jul 24 04:39:08 2008] [info]  [Axis2] Axis2
> >         >         worker created
> >         >         [Thu Jul 24 04:39:08 2008] [debug] phase.c(121)
> >         >         axis2_handler_t *request_uri_based_dispatcher
> >         >         added to the index 0 of the phase Transport
> >         >         [Thu Jul 24 04:39:08 2008] [debug] phase.c(121)
> >         >         axis2_handler_t *addressing_based_dispatcher added
> >         >         to the index 1 of the phase Transport
> >         >         [Thu Jul 24 04:39:08 2008] [debug] phase.c(121)
> >         >         axis2_handler_t *rest_dispatcher added to the
> >         >         index 0 of the phase Dispatch
> >         >         [Thu Jul 24 04:39:08 2008] [debug] phase.c(121)
> >         >         axis2_handler_t
> >         >         *soap_message_body_based_dispatcher added to the
> >         >         index 1 of the phase Dispatch
> >         >         [Thu Jul 24 04:39:08 2008] [debug] phase.c(121)
> >         >         axis2_handler_t *soap_action_based_dispatcher
> >         >         added to the index 2 of the phase Dispatch
> >         >         [Thu Jul 24 04:39:08 2008] [debug] phase.c(121)
> >         >         axis2_handler_t
> >         >         *dispatch_post_conditions_evaluator added to the
> >         >         index 0 of the phase PostDispatch
> >         >         [Thu Jul 24 04:39:08 2008] [debug] phase.c(121)
> >         >         axis2_handler_t *context_handler added to the
> >         >         index 1 of the phase PostDispatch
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         conf_builder.c(233) No custom dispatching order
> >         >         found. Continue with the default dispatching order
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         conf_builder.c(378) Module addressing found in
> >         >         axis2.xml
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         class_loader.c(141) Object loaded successfully
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         class_loader.c(141) Object loaded successfully
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         dep_engine.c(1306)
> >         >         axis2_dep_engine_load_module_dll: DLL path
> >         >         is : /home/auger/axis2c-1.4.0//modules/addressing/libaxis2_mod_addr.so
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         class_loader.c(141) Object loaded successfully
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         dep_engine.c(1306)
> >         >         axis2_dep_engine_load_module_dll: DLL path
> >         >         is : /home/auger/axis2c-1.4.0//modules/logging/libaxis2_mod_log.so
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         class_loader.c(141) Object loaded successfully
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         svc_builder.c(318) DLL path
> >         >         is : /home/auger/axis2c-1.4.0//services/DAQConnectCdas/libDAQConnectCdas.so
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(123) Service name is :
> >         >         DAQConnectCdas
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         svc_builder.c(318) DLL path
> >         >         is : /home/auger/axis2c-1.4.0//services/DAQStatus/libDAQStatus.so
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(123) Service name is : DAQStatus
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         svc_builder.c(318) DLL path
> >         >         is : /home/auger/axis2c-1.4.0//services/DaqStatusChange/libDaqStatusChange.so
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(123) Service name is :
> >         >         DaqStatusChange
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         svc_builder.c(318) DLL path
> >         >         is : /home/auger/axis2c-1.4.0//services/TelescopeHandling/libTelescopeHandling.so
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(123) Service name is :
> >         >         TelescopeHandling
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingInHandler to phase Transport
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(939) svc name is:DaqStatusChange
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(123) Service name is :
> >         >         DaqStatusChange
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(1108) Operation name is :
> >         >         setTestMode
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(1108) Operation name is :
> >         >         startRun
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(1108) Operation name is :
> >         >         terminate
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(1108) Operation name is : stopRun
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(1108) Operation name is :
> >         >         setState
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(939) svc name
> >         >         is:TelescopeHandling
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(123) Service name is :
> >         >         TelescopeHandling
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(1108) Operation name is :
> >         >         removeTelescope
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(1108) Operation name is :
> >         >         setConfiguration
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(1108) Operation name is :
> >         >         addTelescope
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(939) svc name is:DAQStatus
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(123) Service name is : DAQStatus
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(1108) Operation name is :
> >         >         getStatus
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(939) svc name is:DAQConnectCdas
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(123) Service name is :
> >         >         DAQConnectCdas
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_resolver.c(1108) Operation name is :
> >         >         connectCdas
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:08 2008] [debug]
> >         >         phase_holder.c(139) Add handler
> >         >         AddressingOutHandler to phase MessageOut
> >         >         [Thu Jul 24 04:39:09 2008] [debug]
> >         >         class_loader.c(141) Object loaded successfully
> >         >         [Thu Jul 24 04:39:09 2008] [debug]
> >         >         class_loader.c(141) Object loaded successfully
> >         >         [Thu Jul 24 04:39:09 2008] [debug]
> >         >         class_loader.c(141) Object loaded successfully
> >         >         [Thu Jul 24 04:39:09 2008] [debug]
> >         >         class_loader.c(141) Object loaded successfully
> >         >         [Thu Jul 24 04:39:09 2008] [info]  [Axis2] Axis2
> >         >         worker created
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         apache2_worker.c(199)
> >         >         http://192.168.12.100/axis2/services/DAQStatus
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         apache2_worker.c(229) Client HTTP version HTTP/1.1
> >         >         [Thu Jul 24 04:39:29 2008] [error] string.c(47)
> >         >         NULL parameter was passed when a non NULL
> >         >         parameter was expected
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         soap_builder.c(910) identified soap version is
> >         >         soap12
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler request_uri_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         req_uri_disp.c(100) Checking for service using
> >         >         target endpoint address :
> >         >         http://192.168.12.100/axis2/services/DAQStatus
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         req_uri_disp.c(121) Service found using target
> >         >         endpoint address
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler AddressingInHandler within the
> >         >         phase Transport
> >         >         [Thu Jul 24 04:39:29 2008] [info]  Starting
> >         >         addressing in handler
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler addressing_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler rest_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         soap_message_body_based_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler soap_action_based_dispatcher
> >         >         within the phase Dispatch
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         soap_action_disp.c(115) Checking for operation
> >         >         using SOAPAction : urn:getStatus
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         soap_action_disp.c(146) Operation found using
> >         >         SOAPAction
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         dispatch_post_conditions_evaluator within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler context_handler within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:29 2008] [warning] op.c(1149)
> >         >         Message id not found for message context while
> >         >         registering operation context for operation
> >         >         getStatus
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         apache2_worker.c(199)
> >         >         http://192.168.12.100/axis2/services/DAQStatus/getStatus
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         apache2_worker.c(229) Client HTTP version HTTP/1.1
> >         >         [Thu Jul 24 04:39:29 2008] [error] string.c(47)
> >         >         NULL parameter was passed when a non NULL
> >         >         parameter was expected
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         soap_builder.c(910) identified soap version is
> >         >         soap12
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler request_uri_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         req_uri_disp.c(100) Checking for service using
> >         >         target endpoint address :
> >         >         http://192.168.12.100/axis2/services/DAQStatus/getStatus
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         req_uri_disp.c(121) Service found using target
> >         >         endpoint address
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         req_uri_disp.c(174) Checking for operation using
> >         >                                      target endpoint uri
> >         >         fragment : getStatus
> >         >         [Thu Jul 24 04:39:29 2008] [debug]
> >         >         req_uri_disp.c(184) Operation found using target
> >         >         endpoint uri fragment
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler AddressingInHandler within the
> >         >         phase Transport
> >         >         [Thu Jul 24 04:39:29 2008] [info]  Starting
> >         >         addressing in handler
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler addressing_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler rest_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         soap_message_body_based_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler soap_action_based_dispatcher
> >         >         within the phase Dispatch
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         dispatch_post_conditions_evaluator within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:29 2008] [debug] phase.c(210)
> >         >         Invoke the handler context_handler within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:29 2008] [warning] op.c(1149)
> >         >         Message id not found for message context while
> >         >         registering operation context for operation
> >         >         getStatus
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler AddressingOutHandler within the
> >         >         phase MessageOut
> >         >         [Thu Jul 24 04:39:30 2008] [info]  Starting
> >         >         addressing out handler
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         addr_out_handler.c(133) No action present. Stop
> >         >         processing addressing
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler AddressingOutHandler within the
> >         >         phase MessageOut
> >         >         [Thu Jul 24 04:39:30 2008] [info]  Starting
> >         >         addressing out handler
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         addr_out_handler.c(133) No action present. Stop
> >         >         processing addressing
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         apache2_worker.c(199)
> >         >         http://192.168.12.100/axis2/services/DaqStatusChange
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         apache2_worker.c(229) Client HTTP version HTTP/1.1
> >         >         [Thu Jul 24 04:39:30 2008] [error] string.c(47)
> >         >         NULL parameter was passed when a non NULL
> >         >         parameter was expected
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_builder.c(910) identified soap version is
> >         >         soap12
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler request_uri_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         req_uri_disp.c(100) Checking for service using
> >         >         target endpoint address :
> >         >         http://192.168.12.100/axis2/services/DaqStatusChange
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         req_uri_disp.c(121) Service found using target
> >         >         endpoint address
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler AddressingInHandler within the
> >         >         phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [info]  Starting
> >         >         addressing in handler
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler addressing_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler rest_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         soap_message_body_based_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_body_disp.c(231) Checking for operation using
> >         >         SOAP messagebody's first child's local name :
> >         >         setState
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_body_disp.c(240) Operation found using SOAP
> >         >         message body's first child's local name
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler soap_action_based_dispatcher
> >         >         within the phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         dispatch_post_conditions_evaluator within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler context_handler within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:30 2008] [warning] op.c(1149)
> >         >         Message id not found for message context while
> >         >         registering operation context for operation
> >         >         setState
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         apache2_worker.c(199)
> >         >         http://192.168.12.100/axis2/services/DaqStatusChange
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         apache2_worker.c(229) Client HTTP version HTTP/1.1
> >         >         [Thu Jul 24 04:39:30 2008] [error] string.c(47)
> >         >         NULL parameter was passed when a non NULL
> >         >         parameter was expected
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_builder.c(910) identified soap version is
> >         >         soap12
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler request_uri_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         req_uri_disp.c(100) Checking for service using
> >         >         target endpoint address :
> >         >         http://192.168.12.100/axis2/services/DaqStatusChange
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         req_uri_disp.c(121) Service found using target
> >         >         endpoint address
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler AddressingInHandler within the
> >         >         phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [info]  Starting
> >         >         addressing in handler
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler addressing_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler rest_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         soap_message_body_based_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_body_disp.c(231) Checking for operation using
> >         >         SOAP messagebody's first child's local name :
> >         >         setState
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_body_disp.c(240) Operation found using SOAP
> >         >         message body's first child's local name
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler soap_action_based_dispatcher
> >         >         within the phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         dispatch_post_conditions_evaluator within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler context_handler within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:30 2008] [warning] op.c(1149)
> >         >         Message id not found for message context while
> >         >         registering operation context for operation
> >         >         setState
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         apache2_worker.c(199)
> >         >         http://192.168.12.100/axis2/services/DaqStatusChange
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         apache2_worker.c(229) Client HTTP version HTTP/1.1
> >         >         [Thu Jul 24 04:39:30 2008] [error] string.c(47)
> >         >         NULL parameter was passed when a non NULL
> >         >         parameter was expected
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_builder.c(910) identified soap version is
> >         >         soap12
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler request_uri_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         req_uri_disp.c(100) Checking for service using
> >         >         target endpoint address :
> >         >         http://192.168.12.100/axis2/services/DaqStatusChange
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         req_uri_disp.c(121) Service found using target
> >         >         endpoint address
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler AddressingInHandler within the
> >         >         phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [info]  Starting
> >         >         addressing in handler
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler addressing_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler rest_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         soap_message_body_based_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_body_disp.c(231) Checking for operation using
> >         >         SOAP messagebody's first child's local name :
> >         >         setState
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_body_disp.c(240) Operation found using SOAP
> >         >         message body's first child's local name
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler soap_action_based_dispatcher
> >         >         within the phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         dispatch_post_conditions_evaluator within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler context_handler within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:30 2008] [warning] op.c(1149)
> >         >         Message id not found for message context while
> >         >         registering operation context for operation
> >         >         setState
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         apache2_worker.c(199)
> >         >         http://192.168.12.100/axis2/services/DaqStatusChange
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         apache2_worker.c(229) Client HTTP version HTTP/1.1
> >         >         [Thu Jul 24 04:39:30 2008] [error] string.c(47)
> >         >         NULL parameter was passed when a non NULL
> >         >         parameter was expected
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_builder.c(910) identified soap version is
> >         >         soap12
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler request_uri_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         req_uri_disp.c(100) Checking for service using
> >         >         target endpoint address :
> >         >         http://192.168.12.100/axis2/services/DaqStatusChange
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         req_uri_disp.c(121) Service found using target
> >         >         endpoint address
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler AddressingInHandler within the
> >         >         phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [info]  Starting
> >         >         addressing in handler
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler addressing_based_dispatcher
> >         >         within the phase Transport
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler rest_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         soap_message_body_based_dispatcher within the
> >         >         phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_body_disp.c(231) Checking for operation using
> >         >         SOAP messagebody's first child's local name :
> >         >         setState
> >         >         [Thu Jul 24 04:39:30 2008] [debug]
> >         >         soap_body_disp.c(240) Operation found using SOAP
> >         >         message body's first child's local name
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler soap_action_based_dispatcher
> >         >         within the phase Dispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler
> >         >         dispatch_post_conditions_evaluator within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:30 2008] [debug] phase.c(210)
> >         >         Invoke the handler context_handler within the
> >         >         phase PostDispatch
> >         >         [Thu Jul 24 04:39:30 2008] [warning] op.c(1149)
> >         >         Message id not found for message context while
> >         >         registering operation context for operation
> >         >         setState
> >         >         
> >         >         [Thu Jul 24 04:39:08 2008] [warn] Init: Session
> >         >         Cache is not configured [hint: SSLSessionCache]
> >         >         [Thu Jul 24 04:39:08 2008] [notice] suEXEC
> >         >         mechanism enabled (wrapper: /usr/sbin/suexec2)
> >         >         [Thu Jul 24 04:39:09 2008] [notice] Apache/2.0.49
> >         >         (Linux/SuSE) configured -- resuming normal
> >         >         operations
> >         >         ErrorLogger::SetLoggingLevel(-1=Debug ) - ...
> >         >         ErrorLogger::SetLoggingLevel(-1=Debug ) - ...
> >         >         Settings compiled into the class EsmClient:
> >         >          - 'uncaught' exceptions are re-thrown!
> >         >          - built at Feb 28 200808:27:36
> >         >         Exception 'ActionFailed' is not caught !
> >         >         Exception 'EsmBusy' is not caught !
> >         >         Exception 'IllegalState' is not caught !
> >         >         Exception 'ProxyBusy' is not caught !
> >         >         CORBA exceptions are not caught !
> >         >         Exceptions of unknown type are notified and
> >         >         re-thrown !
> >         >         Settings compiled into the class EsmClient:
> >         >          - 'uncaught' exceptions are re-thrown!
> >         >          - built at Feb 28 200808:27:36
> >         >         Exception 'ActionFailed' is not caught !
> >         >         Exception 'EsmBusy' is not caught !
> >         >         Exception 'IllegalState' is not caught !
> >         >         Exception 'ProxyBusy' is not caught !
> >         >         CORBA exceptions are not caught !
> >         >         Exceptions of unknown type are notified and
> >         >         re-thrown !
> >         >         [Thu Jul 24 04:39:30 2008] [notice] child pid
> >         >         19909 exit signal Segmentation fault (11)
> >         >         [Thu Jul 24 04:39:30 2008] [notice] child pid
> >         >         19910 exit signal Segmentation fault (11)
> >         >         [Thu Jul 24 04:39:30 2008] [notice] child pid
> >         >         19911 exit signal Segmentation fault (11)
> >         >         [Thu Jul 24 04:39:30 2008] [notice] child pid
> >         >         19931 exit signal Segmentation fault (11)
> >         >         
> >         > 
> >         > 
> >         > 
> >         > -- 
> >         > http://wso2.org/
> >         > http://llvm.org/ 
> > 
> > 
> > 
> > -- 
> > Software Engineer, WSO2 Inc
> > 


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