diff --git a/plugins/user-authenticators/saml2/src/org/apache/cloudstack/api/command/SAML2LogoutAPIAuthenticatorCmd.java b/plugins/user-authenticators/saml2/src/org/apache/cloudstack/api/command/SAML2LogoutAPIAuthenticatorCmd.java
index 817e62c3f35..6791880fa4a 100644
--- a/plugins/user-authenticators/saml2/src/org/apache/cloudstack/api/command/SAML2LogoutAPIAuthenticatorCmd.java
+++ b/plugins/user-authenticators/saml2/src/org/apache/cloudstack/api/command/SAML2LogoutAPIAuthenticatorCmd.java
@@ -94,6 +94,7 @@ public class SAML2LogoutAPIAuthenticatorCmd extends BaseCmd implements APIAuthen
             try {
                 resp.sendRedirect(SAML2AuthManager.SAMLCloudStackRedirectionUrl.value());
             } catch (IOException ignored) {
+                s_logger.info("[ignored] sending redirected failed.", ignored);
             }
             return responseString;
         }
@@ -123,6 +124,7 @@ public class SAML2LogoutAPIAuthenticatorCmd extends BaseCmd implements APIAuthen
             try {
                 resp.sendRedirect(SAML2AuthManager.SAMLCloudStackRedirectionUrl.value());
             } catch (IOException ignored) {
+                s_logger.info("[ignored] second redirected sending failed.", ignored);
             }
             return responseString;
         }
@@ -134,6 +136,7 @@ public class SAML2LogoutAPIAuthenticatorCmd extends BaseCmd implements APIAuthen
             try {
                 resp.sendRedirect(SAML2AuthManager.SAMLCloudStackRedirectionUrl.value());
             } catch (IOException ignored) {
+                s_logger.info("[ignored] final redirected failed.", ignored);
             }
             return responseString;
         }
diff --git a/plugins/user-authenticators/saml2/src/org/apache/cloudstack/saml/SAML2AuthManagerImpl.java b/plugins/user-authenticators/saml2/src/org/apache/cloudstack/saml/SAML2AuthManagerImpl.java
index b1449c1a644..5af6adaddbb 100644
--- a/plugins/user-authenticators/saml2/src/org/apache/cloudstack/saml/SAML2AuthManagerImpl.java
+++ b/plugins/user-authenticators/saml2/src/org/apache/cloudstack/saml/SAML2AuthManagerImpl.java
@@ -287,18 +287,21 @@ public class SAML2AuthManagerImpl extends AdapterBase implements SAML2AuthManage
                         try {
                             idpMetadata.setSigningCertificate(KeyInfoHelper.getCertificates(kd.getKeyInfo()).get(0));
                         } catch (CertificateException ignored) {
+                            s_logger.info("[ignored] encountered invalid certificate signing.", ignored);
                         }
                     }
                     if (kd.getUse() == UsageType.ENCRYPTION) {
                         try {
                             idpMetadata.setEncryptionCertificate(KeyInfoHelper.getCertificates(kd.getKeyInfo()).get(0));
                         } catch (CertificateException ignored) {
+                            s_logger.info("[ignored] encountered invalid certificate encryption.", ignored);
                         }
                     }
                     if (kd.getUse() == UsageType.UNSPECIFIED) {
                         try {
                             unspecifiedKey = KeyInfoHelper.getCertificates(kd.getKeyInfo()).get(0);
                         } catch (CertificateException ignored) {
+                            s_logger.info("[ignored] encountered invalid certificate.", ignored);
                         }
                     }
                 }