is there a way to parse claims from an expired JWT token?

this might be old but for anyone whose facing this issue, the java's io.jsonwebtoken ExpiredJwtException already got the claims in it, you can get it by calling e.getClaims().

JWT objects are Base64URL encoded. This means that you can always read headers and payload by manually Base64URL-decoding it. In this case you will simply ignore exp attribute.

For instance you can do like this (I'm using Java8 built-in Base64 class, but you can use any external library, such as Apache Commons Codec):

Base64.Decoder decoder = Base64.getUrlDecoder();
String src = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImV4cCI6IjEzMDA4MTkzODAifQ.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.2GpoV9q_uguSg0Ku6peI5aZ2qBxO5qOA42zaS25gq_c";
String[] parts = src.split("\\."); // Splitting header, payload and signature
System.out.println("Headers: "+new String(decoder.decode(parts[0]))); // Header
System.out.println("Payload: "+new String(decoder.decode(parts[1]))); // Payload

and the output is:

Headers: {"alg":"HS256","typ":"JWT","exp":"1300819380"}
Payload: {"sub":"1234567890","name":"John Doe","admin":true}

Please note also that the exp attribute is set to 1300819380, which corresponds to 16 january 2016.

There is a better approach to do this. if you see JWT Exception handler object e.g. ExpiredJwtException, expection object itself contains the following:- header, claims and message

so claims can easily extracted through this object i.e. e.getClaims().getId() where e is ExpiredJwtException object.

ExpiredJwtException consturct is as follow:-

public ExpiredJwtException(Header header, Claims claims, String message) {
        super(header, claims, message);
}

Example:-

    try{
        // executable code
   }catch(ExpiredJwtException e){
        System.out.println("token expired for id : " + e.getClaims().getId());
    }