Hi,
While I try to connect to JSON-RPC server from java(POJO) with disabling SSL works but then I connect using camunda services with spring boot RestTemplate fails with below error:
2019-12-02 17:21:47.574 ERROR 2984 — [main] org.camunda.bpm.engine.context : ENGINE-16004 Exception while closing command context: I/O error on POST request for “https://<IP_ADDRESS>/mmi/api/jsonrpc”: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; nested exception is 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
org.springframework.web.client.ResourceAccessException: I/O error on POST request for “https://<IP_ADDRESS>/mmi/api/jsonrpc”: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target; nested exception is 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
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:744) ~[spring-web-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:670) ~[spring-web-5.1.9.RELEASE.jar:5.1.9.RELEASE]
at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:579) ~[spring-web-5.1.9.RELEASE.jar:5.1.9.RELEASE]