[tao-users] Fwd: TAO Support

[Johnny Willemsen]

Hi,

This version is ancient, can you try TAO 2.5.3 which you can download
from http://download.dre.vanderbilt.edu.

Best regards,

Johnny Willemsen
Remedy IT
http://www.remedy.nl

On 12/6/18 1:44 PM, Prabhakar Bhatt wrote:
>
>  Hi,
>  
>     
>   We are using ACE+TAO 2.0a  in our project and facing following
> issues in one of the customer production.  
>
>   1.  After some point of time, TAO Server application stops accepting
> new connections from the client. From the pstack we observed that
> following API is consuming 100% memory and looping there.
>      
>       > Thread 849 (Thread 0x7f8d3129e700 (LWP 20892)):
>
> #0  0x0000003637edae44 in _fxstat () from /lib64/libc.so.6
>
> #1  0x00007f8d6668c026 in
> ACE_Select_Reactor_T<ACE_Reactor_Token_T<ACE_Token> >::check_handles()
> () from /usr/opt/temip/tao/2.X/lib/libACE.so
>
> #2  0x00007f8d66688f97 in
> ACE_Select_Reactor_T<ACE_Reactor_Token_T<ACE_Token>
> >::wait_for_multiple_events(ACE_Select_Reactor_Handle_Set&,
> ACE_Time_Value*) () from /usr/opt/temip/tao/2.X/lib/libACE.so
>
> #3  0x00007f8d66700e98 in ACE_TP_Reactor::dispatch_i(ACE_Time_Value*,
> ACE_TP_Token_Guard&) () from /usr/opt/temip/tao/2.X/lib/libACE.so
>
> #4  0x00007f8d66700fa0 in
> ACE_TP_Reactor::handle_events(ACE_Time_Value*) () from
> /usr/opt/temip/tao/2.X/lib/libACE.so
>
> #5  0x00007f8d66a29d13 in TAO_ORB_Core::run(ACE_Time_Value*, int) ()
> from /usr/opt/temip/tao/2.X/lib/libTAO.so
>
>
> Configuration : # TAO Naming
>
>                  NameServiceIOR=corbaloc:iiop:localhost:3075/NameService
>
>                  # TAO IIOP Endpoint
>
>                  TAO_ORBENDPOINT="iiop://:6000/portspan=31"
>
>                  TAO KEEP ALIVE = -ORBKeepAlive 1
>
>  
>
>  
>
>  Bidirectional policy :
>
>                 At client : POAPolicyList[1] =
> m_client_orb->create_policy(BiDirPolicy::BIDIRECTIONAL_POLICY_TYPE, pol);
>
>  
>
>                 At Server :
>
>                              
>
>                           callsPOAPolicyList[0] =
> m_rootPOA->create_lifespan_policy(PortableServer::TRANSIENT);
>
>                           callsPOAPolicyList[1] =
> m_server_orb->create_policy(BiDirPolicy::BIDIRECTIONAL_POLICY_TYPE, pol2);
>
>  
>
>  
>
> Additional policies are set before calling the Client side callback
> every time at server side :
>
>                               policyList[0] =
> callbackRef->_get_orb()->create_policy(Messaging::RELATIVE_RT_TIMEOUT_POLICY_TYPE,
> rt_timeout_any);
>
>                               CORBA::Object_var object =
> callbackRef->_set_policy_overrides(policyList, CORBA::ADD_OVERRIDE);
>
>
>
>    Please can you help/sugest us to address this issue. 
>
>
> Thanks and Regards,
>
> Prabhakar Bhatt
>
>
> On Tue, Sep 27, 2016 at 2:42 PM Prabhakar Bhatt
> <prabhakar.bhatt at gmail.com <mailto:prabhakar.bhatt at gmail.com>> wrote:
>
>     Hi,
>      
>         
>       We are using ACE+TAO 2.0a  in our project and facing following
>     issues in one of the customer production.
>      
>
>      
>     1.  We are setting following debug options in  orb_init at server
>     side. But logs are seen only at the process startup. After that no
>     logs are seen. At the client side we only see ACE traces and not
>     the TAO traces.
>
>              */Orb_init signature : MCC_T_CHAR *defaultOptions_p[] =
>     {"dummy", "-ORBDebug", "-ORBDebugLevel","99","-ORBLogFile",(char
>     *)procInfo.proc_trace_info.trace_file,0};/*
>
>
>     2.  We are using BIDIRECTIONAL port usage in our Server and Client
>     application for communication. Two thread are being used at server
>     side to Communication with client. One thread is uses a callback
>     of client to send the actual data, second thread calls client
>     callback for polling mechanism . When everything is going fine
>     both the threads at server use 6001 to communicate with client.
>     But suddenly polling thread callback request from the server will
>     be sent to client on different port ( Ex : 52345). After this
>     connection is lost between the server and client. After analyzing
>     the pcaps it is confirmed that signature remains for all the
>     disconnections and RST( at TCP Level) is received from the client
>     for request on port 42345. Even though BiDirectional is set why
>     the request is going on new port. Server and client are
>     multithread application.
>
>      
>
>      Configuration : # TAO Naming
>
>                     
>     NameServiceIOR=corbaloc:iiop:localhost:3075/NameService
>
>                      # TAO IIOP Endpoint
>
>                      TAO_ORBENDPOINT="iiop://:6000/portspan=31"
>
>                      TAO KEEP ALIVE = -ORBKeepAlive 1
>
>      
>
>      
>
>      Bidirectional policy :
>
>                     At client : POAPolicyList[1] =
>     m_client_orb->create_policy(BiDirPolicy::BIDIRECTIONAL_POLICY_TYPE,
>     pol);
>
>      
>
>                     At Server :
>
>                                  
>
>                               callsPOAPolicyList[0] =
>     m_rootPOA->create_lifespan_policy(PortableServer::TRANSIENT);
>
>                               callsPOAPolicyList[1] =
>     m_server_orb->create_policy(BiDirPolicy::BIDIRECTIONAL_POLICY_TYPE,
>     pol2);
>
>      
>
>      
>
>     Additional policies are set before calling the Client side
>     callback every time at server side :
>
>                                   policyList[0] =
>     callbackRef->_get_orb()->create_policy(Messaging::RELATIVE_RT_TIMEOUT_POLICY_TYPE,rt_timeout_any);
>
>                                   CORBA::Object_var object =
>     callbackRef->_set_policy_overrides(policyList, CORBA::ADD_OVERRIDE);
>
>                                             
>
>     Please do let me know your answers/suggestions.
>
>      
>
>      
>
>     Thaks and Regards,
>
>     Prabhakar Bhatt
>
>
> _______________________________________________
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