"The JWT could not be de-serialized."

[salami]

This is for a kotlin-based Android project.

I'm calling Mapper.deserialize(bytes, JSONWebKey::class.java) and it works completely fine on my dev build from android studio, but in a prod release it throws an InvalidJWTException error with the message "The JWT could not be de-serialized."

Any idea what the issue is? Do I need to add some proguard rules?

[mooreds]

What versions of java are you targeting in each environment?

[salami]

Java 1.8 for both. I'm going to try a build now with the minify/obfuscate stuff taken out.

[robotdan]

Possibly related:

• Android 7 - Base64 NoClassDefFoundError #42

No idea if this library will work in Dalvik or Android runtime (ART).

[salami]

Ok it's working for me without the minify/obfuscate stuff.

I don't know much about proguard rules but I'll try to investigate when I get some time. My app is only being pushed for internal testing right now so low urgency.

Thanks for the help.