Caused by: 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

error Caused by: 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 and ERROR_oracle.iam.application.impl_CE,SSLHE,SCPBE,VE_S_TRACE,EXC_MSG.html @@@ See: https://mos-cores.us.oracle.com/collectionviewer/viewer.php/sr/3-289550132201/.dx/mw/ECA_AFP_1535_16123_clusters/ERROR_oracle.iam.application.impl_CE,SSLHE,SCPBE,VE_S_TRACE,EXC_MSG.html Solution. Applicaiton Certificate in your keystore is expired. when OAM is trying to decrypt the request, it is getting error. Find a command sot see the keystore, you will find a cert with expiration date. replace the expired cert with the keytool import and test again. Application will work. here is the command to import a new cert into keystore keytool -import -alias serverwl -trustcacerts -file supportcert.pem -keystore client_store.jks -storepass example_password