Exception publishing Message PKIX path building failed Error


I am trying to send alerts to the elastic search endpoint with a custom webhook URL. encountered the below exception in the logs while sending the alert with open distro alerting. How can I resolve this

[2020-09-28T09:50:30,784][ERROR][c.a.o.a.d.f.CustomWebhookDestinationFactory] [eopsadmin-masternode-1] Exception publishing Message: DestinationType: CUSTOMWEBHOOK, DestinationName:elasticsearch, Url: , scheme: HTTPS, Host: 192.******** , Port: 9200, Path: /alerts/_doc , Message: {
"Message" : "Monitor test just entered alert status. Please investigate the issue"
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

Is the the complete exception trace? If not, could you please post the complete trace here.

Also please check this thread: PKIX path building failed error when trying to use spotlight for alerting

Hope the related thread helped. Closing this thread, Feel free to open is the issue is not solved.