Our vm have a multiple hosts disconnect from vCenter Server frequently at random intervals. Hosts can disconnect once a day and often reconnect automatically.
To check my vc logs was show :
2018-06-19T13:33:43.438+08:00 [01112 error 'HttpConnectionPool-000236'] [ConnectComplete] Connect failed to <cs p:0000000010f44a10, TCP:10.134.2.150:443>; cnx: (null), error: class Vmacore::SystemException(A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. )
2018-06-19T13:33:43.438+08:00 [01112 error 'vmomi.soapStub[32]'] Resetting stub adapter for server <cs p:0000000010f44a10, TCP:10.134.2.150:443> : service state request failed: class Vmacore::SystemException(A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. )
2018-06-19T13:33:43.438+08:00 [01112 warning 'vmomi.soapStub[32]'] Terminating invocation: server=<cs p:0000000010f44a10, TCP:10.134.2.150:443>, moref=vpxapi.VpxaService:vpxa, method=retrieveChanges
2018-06-19T13:33:43.438+08:00 [01112 warning 'vmomi.soapStub[32]'] Terminating invocation: server=<cs p:0000000010f44a10, TCP:10.134.2.150:443>, moref=vmodl.query.PropertyCollector:propertyCollector, method=waitForUpdates
2018-06-19T13:33:43.438+08:00 [05472 error 'HttpConnectionPool-000000'] [ConnectComplete] Connect failed to <cs p:0000000010f44a10, TCP:10.134.2.150:443>; cnx: (null), error: class Vmacore::SystemException(A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. )
2018-06-19T13:33:43.438+08:00 [06064 warning 'VpxProfiler' opID=HB-host-3405@9331-dc78ed55] ClientAdapterBase::InvokeOnSoap: (10.134.2.150, vpxapi.VpxaService.retrieveChanges) [SoapRpcTime] took 21031 ms
2018-06-19T13:33:43.438+08:00 [06064 error 'vpxdvpxdVmomi' opID=HB-host-3405@9331-dc78ed55] [VpxdClientAdapter] Got vmacore exception: Operation was canceled
2018-06-19T13:33:43.438+08:00 [06064 error 'vpxdvpxdVmomi' opID=HB-host-3405@9331-dc78ed55] [VpxdClientAdapter] Backtrace:
--> backtrace[00] rip 000000018018b86a
--> backtrace[01] rip 0000000180102ac8
--> backtrace[02] rip 0000000180103f9e
--> backtrace[03] rip 000000018008d22b
--> backtrace[04] rip 0000000180040e26
--> backtrace[05] rip 0000000180047b64
--> backtrace[06] rip 000000000070b020
--> backtrace[07] rip 000000000070c9ed
--> backtrace[08] rip 000000000070da72
--> backtrace[09] rip 000000000070df06
--> backtrace[10] rip 0000000180044f51
--> backtrace[11] rip 00000001800497fd
--> backtrace[12] rip 000000018005afa0
--> backtrace[13] rip 0000000180053ed1
--> backtrace[14] rip 000000018005f46f
--> backtrace[15] rip 0000000180053f1c
--> backtrace[16] rip 000000018011cfe2
--> backtrace[17] rip 00000001801ab148
--> backtrace[18] rip 00000001801ab5cd
--> backtrace[19] rip 00000001801acd40
--> backtrace[20] rip 000000018019d37a
--> backtrace[21] rip 0000000059ee2fdf
--> backtrace[22] rip 0000000059ee3080
--> backtrace[23] rip 00007ffd579f13d2
--> backtrace[24] rip 00007ffd582154f4
-->
2018-06-19T13:33:43.438+08:00 [06004 error 'vpxdvpxdVmomi'] [VpxdClientAdapter] Got vmacore exception: Operation was canceled
2018-06-19T13:33:43.438+08:00 [06004 error 'vpxdvpxdVmomi'] [VpxdClientAdapter] Backtrace:
--> backtrace[00] rip 000000018018b86a
--> backtrace[01] rip 0000000180102ac8
--> backtrace[02] rip 0000000180103f9e
--> backtrace[03] rip 000000018008d22b
--> backtrace[04] rip 0000000180040e26
--> backtrace[05] rip 0000000180047b64
--> backtrace[06] rip 000000000070b020
--> backtrace[07] rip 000000000070c9ed
--> backtrace[08] rip 000000000070da72
--> backtrace[09] rip 000000000070df06
--> backtrace[10] rip 0000000180044f51
--> backtrace[11] rip 00000001800497fd
--> backtrace[12] rip 000000018005afa0
--> backtrace[13] rip 0000000180053ed1
--> backtrace[14] rip 000000018005f46f
--> backtrace[15] rip 0000000180053f1c
--> backtrace[16] rip 000000018011cfe2
--> backtrace[17] rip 00000001801ab148
--> backtrace[18] rip 00000001801ab5cd
--> backtrace[19] rip 00000001801acd40
--> backtrace[20] rip 000000018019d37a
--> backtrace[21] rip 0000000059ee2fdf
--> backtrace[22] rip 0000000059ee3080
--> backtrace[23] rip 00007ffd579f13d2
--> backtrace[24] rip 00007ffd582154f4
-->
2018-06-19T13:33:43.438+08:00 [01544 error 'HttpConnectionPool-000000'] [ConnectComplete] Connect failed to <cs p:0000000010f44a10, TCP:10.134.2.150:443>; cnx: (null), error: class Vmacore::SystemException(A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. )
2018-06-19T13:33:45.095+08:00 [05480 error 'commonvpxLdap'] [LDAP Client] Failed to poll search: 0x0 (The call completed successfully.)
2018-06-19T13:33:45.095+08:00 [05480 warning 'commonvpxLdap'] [LDAP Client] Reinitializing search 570088 (ou=Licenses,ou=Licensing,dc=virtualcenter,dc=vmware,dc=int)
Already tried the solution provided by VMware Knowledge Base & VMware Knowledge Base , but problem still in occur.
Appreciate if you can help on this issues.
