context.setLabel("tsukuba-gama");
} else {
log.info("Activate credential");
}
deleteOldCredentialContext(user, dn);
context.activate(credential);
credentialManager.saveCredentialContext(context);
} catch (GSSException e) {
throw new AuthenticationException(e.getMessage());
} catch (CredentialException e) {
log.error("Couldn't activate", e);