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2574318 - Multiplex coordinator startup st_server.cxx abort at inc_iqnwi::PrepareSock when using IPv6 protocol - SAP IQ

Symptom

  • After upgrading to IQ 16 SP11 PLx or higher the mpx coordinator (CN) startup aborts at st_server.cxx

  • The aborting stack trace contains  thread calls  similar to this...
    inc_iqnwi::PrepareSock
    inc_iqnwi::SetupSender
    inc_iqnwi::SetupListener()
    inc_iqnwi::SetupReceiver()
    inc_iqnwi*s_dbmvbio::InitNetIface()
    inc_iqnwi*inc_remoteServerEndpoint::GetNetIface()
    st_mpxView::MIPCResume()
    st_mpxHeartbeat::HeartbeatMonitor


  • The multiplex has been configured with connection definitions that use  IPv6  Internet protocol.

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Environment

  • SAP IQ 16.1 below SP03 on all platforms

  • SAP IQ 16.0 SP11 and above on all platfroms

Product

SAP IQ 16.0 ; SAP IQ 16.1 ; SAP Sybase IQ 15.4

Keywords

sybase, abort, crash, TCPIP, TCP, TCP/IP, IQ16, regression, 'create multiplex', simplex, CR806900, CR#806900, 'no longer', available, 'signal 11', stcxtlib, 'st_server.cxx:1928', SigHndlr, node, secondary , KBA , BC-SYB-IQ , Sybase IQ , Problem

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