diff --git a/common/src/main/java/com/datastrato/gravitino/config/ConfigEntry.java b/common/src/main/java/com/datastrato/gravitino/config/ConfigEntry.java
index ee9e9a5c767..7a3b6c4c553 100644
--- a/common/src/main/java/com/datastrato/gravitino/config/ConfigEntry.java
+++ b/common/src/main/java/com/datastrato/gravitino/config/ConfigEntry.java
@@ -37,6 +37,7 @@ public class ConfigEntry<T> {
   @Getter private boolean isDeprecated;
 
   private boolean isOptional;
+  private boolean isNoDefault;
 
   /**
    * Creates a new ConfigEntry instance.
@@ -101,6 +102,11 @@ void setOptional() {
     this.isOptional = true;
   }
 
+  /** Marks this configuration as no default value. */
+  void setNoDefault() {
+    this.isNoDefault = true;
+  }
+
   /**
    * Creates a new ConfigEntry instance based on this configuration entry with a default value.
    *
@@ -134,6 +140,20 @@ public ConfigEntry<Optional<T>> createWithOptional() {
     return conf;
   }
 
+  /**
+   * Creates a new ConfigEntry instance based on this configuration entry with no default value.
+   *
+   * @return A new ConfigEntry instance with no default value.
+   */
+  public ConfigEntry<T> createWithNoDefault() {
+    ConfigEntry<T> conf =
+        new ConfigEntry<>(key, version, doc, alternatives, isPublic, isDeprecated);
+    conf.setValueConverter(valueConverter);
+    conf.setStringConverter(stringConverter);
+    conf.setNoDefault();
+    return conf;
+  }
+
   /**
    * Reads the configuration value.
    *
@@ -155,6 +175,8 @@ public T readFrom(Map<String, String> properties) throws NoSuchElementException
     if (value == null) {
       if (defaultValue != null) {
         return defaultValue;
+      } else if (isNoDefault) {
+        return null;
       } else if (!isOptional) {
         throw new NoSuchElementException("No configuration found for key " + key);
       }
diff --git a/server-common/src/main/java/com/datastrato/gravitino/server/auth/OAuthConfig.java b/server-common/src/main/java/com/datastrato/gravitino/server/auth/OAuthConfig.java
index 73b9fba1c31..b8eb5f6ed0b 100644
--- a/server-common/src/main/java/com/datastrato/gravitino/server/auth/OAuthConfig.java
+++ b/server-common/src/main/java/com/datastrato/gravitino/server/auth/OAuthConfig.java
@@ -33,7 +33,7 @@ public interface OAuthConfig extends Configs {
           .doc("The signing key of JWT when Gravitino uses OAuth as the authenticator")
           .version("0.3.0")
           .stringConf()
-          .createWithDefault("");
+          .createWithNoDefault();
 
   ConfigEntry<String> SIGNATURE_ALGORITHM_TYPE =
       new ConfigBuilder(OAUTH_CONFIG_PREFIX + "signAlgorithmType")
@@ -47,12 +47,12 @@ public interface OAuthConfig extends Configs {
           .doc("The uri of the default OAuth server")
           .version("0.3.0")
           .stringConf()
-          .createWithDefault("");
+          .createWithNoDefault();
 
   ConfigEntry<String> DEFAULT_TOKEN_PATH =
       new ConfigBuilder(OAUTH_CONFIG_PREFIX + "tokenPath")
           .doc("The path for token of the default OAuth server")
           .version("0.3.0")
           .stringConf()
-          .createWithDefault("");
+          .createWithNoDefault();
 }
diff --git a/server-common/src/main/java/com/datastrato/gravitino/server/web/JettyServerConfig.java b/server-common/src/main/java/com/datastrato/gravitino/server/web/JettyServerConfig.java
index 90c68b234e1..f6630cae971 100644
--- a/server-common/src/main/java/com/datastrato/gravitino/server/web/JettyServerConfig.java
+++ b/server-common/src/main/java/com/datastrato/gravitino/server/web/JettyServerConfig.java
@@ -107,21 +107,21 @@ public final class JettyServerConfig {
           .doc("Path to the key store file")
           .version("0.3.0")
           .stringConf()
-          .createWithDefault("");
+          .createWithNoDefault();
 
   public static final ConfigEntry<String> SSL_KEYSTORE_PASSWORD =
       new ConfigBuilder("keyStorePassword")
           .doc("Password to the key store")
           .version("0.3.0")
           .stringConf()
-          .createWithDefault("");
+          .createWithNoDefault();
 
   public static final ConfigEntry<String> SSL_MANAGER_PASSWORD =
       new ConfigBuilder("managerPassword")
           .doc("Manager password to the key store")
           .version("0.3.0")
           .stringConf()
-          .createWithDefault("");
+          .createWithNoDefault();
 
   public static final ConfigEntry<String> SSL_KEYSTORE_TYPE =
       new ConfigBuilder("keyStoreType")
@@ -155,14 +155,14 @@ public final class JettyServerConfig {
           .doc("Path to the trust store file")
           .version("0.3.0")
           .stringConf()
-          .createWithDefault("");
+          .createWithNoDefault();
 
   public static final ConfigEntry<String> SSL_TRUST_STORE_PASSWORD =
       new ConfigBuilder("trustStorePassword")
           .doc("Password to the trust store")
           .version("0.3.0")
           .stringConf()
-          .createWithDefault("");
+          .createWithNoDefault();
 
   public static final ConfigEntry<String> SSL_TRUST_STORE_TYPE =
       new ConfigBuilder("trustStoreType")