PATCH method calls are getting timed-out intermittently with high failures rates with a error response code of 504 Gateway Timeout Issue.
Following are the logs from the system.logs.
103716:2018-04-22 07:20:47,504 NIOThread@9 WARN c.a.p.h.d.DNSCachedAddress - DNSCachedAddress.addressNotReachable() : The last address has been removed from Address list null refreshing 103717:2018-04-22 07:20:47,504 NIOThread@9 ERROR c.a.p.h.d.DNSCachedAddress - DNSCachedAddress.refresh() : Unable to resolve host : null 103718:2018-04-22 07:20:47,504 NIOThread@9 ERROR c.a.p.h.d.DNSCachedAddress - DNSCachedAddress.refresh() : Unable to resolve host : null
Has anyone seen this error before ? Any pointers will be appreciated.
Thanks.