String certDn = req.getHeader(clientDnHttpHeader);
// TODO retrieve more cf. https://httpd.apache.org/docs/current/mod/mod_ssl.html
// String issuerDn = req.getHeader("SSL_CLIENT_I_DN");
- if (certDn != null && !certDn.trim().equals("")) {
+ if (certDn != null && !certDn.trim().equals("(null)")) {
sharedState.put(CmsAuthUtils.SHARED_STATE_NAME, certDn);
sharedState.put(CmsAuthUtils.SHARED_STATE_CERTIFICATE_CHAIN, "");
if (log.isDebugEnabled())