How to use

restoreRequest

method

in

org.keycloak.adapters.servlet.OIDCFilterSessionStore

@Override
public boolean isCached(RequestAuthenticator authenticator) {
  HttpSession httpSession = request.getSession(false);
  if (httpSession == null) return false;
  SerializableKeycloakAccount account = (SerializableKeycloakAccount) httpSession.getAttribute(KeycloakAccount.class.getName());
  if (account == null) {
    return false;
  }
  log.fine("remote logged in already. Establish state from session");
  RefreshableKeycloakSecurityContext securityContext = account.getKeycloakSecurityContext();
  if (!deployment.getRealm().equals(securityContext.getRealm())) {
    log.fine("Account from cookie is from a different realm than for the request.");
    cleanSession(httpSession);
    return false;
  }
  if (idMapper != null && !idMapper.hasSession(httpSession.getId())) {
    log.fine("idMapper does not have session: " + httpSession.getId());
    //System.err.println("idMapper does not have session: " + httpSession.getId());
    cleanSession(httpSession);
    return false;
  }
  securityContext.setCurrentRequestInfo(deployment, this);
  request.setAttribute(KeycloakSecurityContext.class.getName(), securityContext);
  needRequestRestore = restoreRequest();
  return true;
}