Check HTTP(S) Connectivity in Java
Trivial Java code to try an HTTP connection to a URL. In particular, this can be useful to see whether your Java environment and its SSL/TLS configuration will successfully connect to an https URL.
Java class
See TestHttp.
Run it like:
java -Djavax.net.ssl.trustStore=/config/trust.jks -Djavax.net.ssl.trustStorePassword=$TRUST_PASSWORD TestHttp https://example.com
JSP
JSP you can deploy or create in your Java server environment:
See HttpTest.jsp