Debug TLS Handshake

When you have service to service communications between microservices, HTTPS is a must, and we have both client and server keystore and truststore to support one-way TLS or two-way TLS.

For most developers, manipulating keystore and truststore with keytool would be new for them. If it is not working, turn on the network debugger would help a lot.

Just put the following line into the VM options in the run/debug configurations window to enable the net debugging.

-Djavax.net.debug=all