What am i doing wrong when obfuscating this SpringBoot (java) project?

[Carlosp17]

The code works just fine if i compile & execute it it without obfuscating.

But i came with this problem when trying to obfuscate my code when i implemented JWT on it, where when i test the same login endpoint, the response is

{

"timestamp": "2021-12-29T17:04:41.181+00:00",

"status": 406,

"error": "Not Acceptable",

"path": "/user"

}

As far as i've seen, i can't return an object i declare e.g. User, because if i return a String alone, it has no problem, i don't know what could i be missing, my project is here:

demo.zip

 

Thanks in advance for your comments!

[Eigenvektor]

When obfuscating, you typically need to exclude your POJOs because the names of fields etc. get changed which then no longer match your JSON. Make sure anything API related that must have a certain name (fields, paths, etc.) are excluded from renaming. Same goes for fields that are e.g. mapped into the database. While we're not obfuscating our Spring backend, I've run into such issues when I first enabled obfuscation for our Android client.

[Carlosp17]

12 minutes ago, Eigenvektor said:

When obfuscating, you typically need to exclude your POJOs because the names of fields etc. get changed which then no longer match your JSON. Make sure anything API related that must have a certain name (fields, paths, etc.) are excluded from renaming. Same goes for fields that are e.g. mapped into the database. While we're not obfuscating our Spring backend, I've run into such issues when I first enabled obfuscation for our Android client.

So, if i understand correctly, in this case i need to keep User class of my model from renaming, so that when i use the endpoint it can create the User Object withtout problem and retrieve the same object as the specified User?

[Eigenvektor]

1 minute ago, Carlosp17 said:

So, if i understand correctly, in this case i need to keep User class of my model from renaming, so that when i use the endpoint it can create the User Object withtout problem and retrieve the same object as the specified User?

It's usually not the name of the class itself, but its fields. It doesn't necessarily matter whether you return "new User()" or "new A()", but it does matter whether the object contains the fields "a, b" or "username, password".