Charles Chan - Ambrose Software Inc.

Java Consultant Tip: SSL Certificates and Man in the Middle SSL Proxy

It’s your first day at your new gig. Everything is new and you have to adjust quickly to the environment. However, you notice your favorite Java applications are barking with exceptions about certificates. Here’s a sample Exception: sun.security.validator.ValidatorExeption: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target This was because the company you are working with has installed an SSL prox

Secure Groovy Script Execution in a Sandbox

A summary of findings and recommendations on securing untrusted Groovy Script execution.

Flutter

Migrate Your Flutter App to Null Safety

When I read about Flutter/Dart’s null safety beta, I was really excited to give it a try. This article talks about my experience migrating my Flutter Web application to fully embrace this exciting new feature.