To solve the error, download the SSL certificate and import it into the Java virtual machine's(JVM) trust store.
Switch to the JDK's security directory and run the following command.
cd JAVE_HOME\jre\lib\security
JAVA_HOME\bin\keytool -import -alias <cert_alias> -file <cert_location> -keystore cacerts -storepass <changeit>
Answer the question with "Yes".
The execute the java program again and the Hand shake should be successful.
To update the certificate when it expires, delete then reimport it.
To delete, execute the command
keytool -delete -alias mydomain -keystore keystore.jks