- Open the `<IS_HOME>/repository/conf/identity/identity.xml` file and uncomment the following entry under `<OAuth>` element.

```
<IdentityOAuthTokenGenerator>org.wso2.carbon.identity.oauth2.token.JWTTokenIssuer</IdentityOAuthTokenGenerator>
```

- Restart the server.
- Configure an [OAuth service provider](https://docs.wso2.com/display/IS540/Adding+and+Configuring+a+Service+Provider).

      <roles>
        <role>Founder</role>
        <role>Release Manager</role>
      </roles>
    </developer>
  </developers>

  <contributors>
    <contributor>
      <name>Martin van dem Bemt</name>
      <email>******@****.***</email>
    </contributor>
  </contributors>

  <dependencies>

    <dependency>
      <groupId>g1</groupId>
      <artifactId>d1</artifactId>

ilippines","pitcairn","poland","portugal","puerto rico","qatar","réunion","romania","russia","rwanda","saint barthélemy","saint helena","ascension and tristan da cunha","Ascension and tristan da cunha","saint kitts and nevis","saint lucia","saint martin","saint pierre and miquelon","saint vincent and the grenadines","samoa","san marino","sao tome and principe","saudi arabia","senegal","serbia","seychelles","sierra leone","singapore","sint maarten","slovakia","slovenia","solomon islands","somalia","south...

 * href="http://www.unicode.org/versions/corrigendum1.html">"non-shortest form"</a> byte sequences,
 * even though the JDK decoder may accept them.
 *
 * @author Martin Buchholz
 * @author Clément Roux
 * @since 16.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public final class Utf8 {
  /**