Symptoms
When connecting to the VMware vCenter Server Appliance with a large number of SOAP connections, you experience these symptoms:The VMware VirtualCenter Server service stopsIn the/var/log/vmware/vpx/vpxd.log file, you see back traces similar to:<YYYY-MM-DD>T<time>Z [7F1DD8007700 panic 'Default']</time>-->--> Panic: Assert Failed: "httpSession->GetAppSession(out)" @ /build/mts/release/bora-1686018/bora/vim/lib-vsan/vmacore/http/HttpSessionImpl.cpp:574--> Backtrace:--> backtrace[00] rip 00007f1e2b411f84 Vmacore::System::Stacktrace::CaptureFullWork(unsigned int)--> backtrace[01] rip 00007f1e2b2fb9b2 Vmacore::System::SystemFactoryImpl::CreateBacktrace(Vmacore::Ref<Vmacore::System::Backtrace>&)--> backtrace[02] rip 00007f1e2b3e8d8d /usr/lib/vmware-vpx/libvmacore.so(+0x3c9d8d) [0x7f1e2b3e8d8d]--> backtrace[03] rip 00007f1e2b3e8f88 Vmacore::PanicExit(char const*)
Cause
This issue occurs when the number of active SOAP sessions exceeds 2000 on the vCenter Server Appliance.
Resolution
This is a known issue affecting VMware vCenter Server Appliance 5.5.Currently, there is no resolution.To work around this issue, reduce the total number of SOAP connections to the vCenter Server Appliance.SOAP connections can be generated by:VMware vSphere Client sessionsThird-party API connectionsvCenter Server pluginsTo determine the total number of SOAP sessions currently active on the vCenter Server Appliance, look for this line within the /var/log/vmware/vpx/vpxd-profiler.log file:/SessionStats/SessionPool/NumSessions/total 272Note: This example shows a total of 272 active SOAP sessions.To determine the total number of SOAP sessions currently active on the vCenter Server Appliance for a specific user, look for a line within the /var/log/vmware/vpx/vpxd-profiler.log file similar to:/SessionStats/SessionPool/Session/Id='A5113EB8-C947-4D5D-A477-B9CFB084AD19'/Username='domain\user1'/ClientIP='10.0.0.1'/SoapSession/Id='11808511'/Count/total 1Note: This example shows a total of 1 active SOAP session for the user domain\user1.
Related Information
By default, SOAP sessions are terminated after a 30 minutes timeout value has been reached.To be alerted when this document is updated, click the Subscribe to Article link in the Actions boxVMware VirtualCenter Server サービスが大量の SOAP セッションがある VMware vCenter Server Appliance 5.5 で停止する
