Another trivial fix
diff --git a/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/ClientUtil.java b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/ClientUtil.java
index da7362b..39cc977 100644
--- a/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/ClientUtil.java
+++ b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/ClientUtil.java
@@ -53,18 +53,14 @@
             throw new KrbException(KRB5_FILE_NAME + " not found");
         }
 
-        if (confFile != null && confFile.exists()) {
-            KrbConfig krbConfig = new KrbConfig();
-            try {
-                krbConfig.addKrb5Config(confFile);
-                return krbConfig;
-            } catch (IOException e) {
-                throw new KrbException("Failed to load krb config "
-                        + confFile.getAbsolutePath());
-            }
+        KrbConfig krbConfig = new KrbConfig();
+        try {
+            krbConfig.addKrb5Config(confFile);
+            return krbConfig;
+        } catch (IOException e) {
+            throw new KrbException("Failed to load krb config "
+                    + confFile.getAbsolutePath());
         }
-
-        return null;
     }
 
     /**