diff --git a/cli/pom.xml b/cli/pom.xml
index b2bebee05..c02ba1800 100644
--- a/cli/pom.xml
+++ b/cli/pom.xml
@@ -77,6 +77,11 @@
       <version>${project.version}</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>com.h2database</groupId>
+      <artifactId>h2</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/cli/src/test/scala/org/apache/celeborn/cli/TestCelebornCliCommands.scala b/cli/src/test/scala/org/apache/celeborn/cli/TestCelebornCliCommands.scala
index 47e3c1ba0..2a6e1b9fc 100644
--- a/cli/src/test/scala/org/apache/celeborn/cli/TestCelebornCliCommands.scala
+++ b/cli/src/test/scala/org/apache/celeborn/cli/TestCelebornCliCommands.scala
@@ -45,6 +45,12 @@ class TestCelebornCliCommands extends CelebornFunSuite with MiniClusterFeature {
       classOf[UserDefinePasswordAuthenticationProviderImpl].getName)
     .set(CelebornConf.MASTER_HTTP_AUTH_ADMINISTERS, Seq(CELEBORN_ADMINISTER))
     .set(CelebornConf.WORKER_HTTP_AUTH_ADMINISTERS, Seq(CELEBORN_ADMINISTER))
+    .set(CelebornConf.DYNAMIC_CONFIG_STORE_BACKEND, "DB")
+    .set(
+      CelebornConf.DYNAMIC_CONFIG_STORE_DB_HIKARI_JDBC_URL,
+      "jdbc:h2:mem:test;MODE=MYSQL;INIT=RUNSCRIPT FROM 'classpath:celeborn-0.6.0-h2.sql';DB_CLOSE_DELAY=-1;")
+    .set(CelebornConf.DYNAMIC_CONFIG_STORE_DB_HIKARI_DRIVER_CLASS_NAME, "org.h2.Driver")
+    .set(CelebornConf.DYNAMIC_CONFIG_STORE_DB_HIKARI_MAXIMUM_POOL_SIZE, 1)
 
   private val BASIC_AUTH_HEADER = HttpAuthSchemes.BASIC + " " + new String(
     Base64.getEncoder.encode(
@@ -143,13 +149,11 @@ class TestCelebornCliCommands extends CelebornFunSuite with MiniClusterFeature {
   }
 
   test("worker --show-dynamic-conf") {
-    cancel("This test is temporarily disabled since dynamic conf is not enabled in unit tests.")
     val args = prepareWorkerArgs() :+ "--show-dynamic-conf"
-    captureOutputAndValidateResponse(args, "")
+    captureOutputAndValidateResponse(args, "DynamicConfigResponse")
   }
 
   test("worker --upsert-dynamic-conf") {
-    cancel("This test is temporarily disabled since dynamic conf is not enabled in unit tests.")
     val args = prepareWorkerArgs() ++ Array(
       "--upsert-dynamic-conf",
       "--config-level",
@@ -160,7 +164,6 @@ class TestCelebornCliCommands extends CelebornFunSuite with MiniClusterFeature {
   }
 
   test("worker --delete-dynamic-conf") {
-    cancel("This test is temporarily disabled since dynamic conf is not enabled in unit tests.")
     val args = prepareWorkerArgs() ++ Array(
       "--delete-dynamic-conf",
       "--config-level",
@@ -247,13 +250,11 @@ class TestCelebornCliCommands extends CelebornFunSuite with MiniClusterFeature {
   }
 
   test("master --show-dynamic-conf") {
-    cancel("This test is temporarily disabled since dynamic conf is not enabled in unit tests.")
     val args = prepareMasterArgs() :+ "--show-dynamic-conf"
-    captureOutputAndValidateResponse(args, "")
+    captureOutputAndValidateResponse(args, "DynamicConfigResponse")
   }
 
   test("master --upsert-dynamic-conf") {
-    cancel("This test is temporarily disabled since dynamic conf is not enabled in unit tests.")
     val args = prepareMasterArgs() ++ Array(
       "--upsert-dynamic-conf",
       "--config-level",
@@ -264,7 +265,6 @@ class TestCelebornCliCommands extends CelebornFunSuite with MiniClusterFeature {
   }
 
   test("master --delete-dynamic-conf") {
-    cancel("This test is temporarily disabled since dynamic conf is not enabled in unit tests.")
     val args = prepareMasterArgs() ++ Array(
       "--delete-dynamic-conf",
       "--config-level",
diff --git a/service/pom.xml b/service/pom.xml
index bc1c69547..b656f1154 100644
--- a/service/pom.xml
+++ b/service/pom.xml
@@ -196,6 +196,11 @@
       <artifactId>log4j-core</artifactId>
     </dependency>
 
+    <dependency>
+      <groupId>com.fasterxml.jackson.datatype</groupId>
+      <artifactId>jackson-datatype-jsr310</artifactId>
+    </dependency>
+
     <!-- Test dependencies -->
     <dependency>
       <groupId>org.mockito</groupId>
diff --git a/service/src/main/java/org/apache/celeborn/server/common/service/utils/JsonUtils.java b/service/src/main/java/org/apache/celeborn/server/common/service/utils/JsonUtils.java
index 77e99e5f5..ede7fc81e 100644
--- a/service/src/main/java/org/apache/celeborn/server/common/service/utils/JsonUtils.java
+++ b/service/src/main/java/org/apache/celeborn/server/common/service/utils/JsonUtils.java
@@ -22,6 +22,7 @@ import com.fasterxml.jackson.annotation.PropertyAccessor;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import org.apache.commons.lang3.StringUtils;
 
 public class JsonUtils {
@@ -30,6 +31,7 @@ public class JsonUtils {
   static {
     MAPPER.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
     MAPPER.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
+    MAPPER.registerModule(new JavaTimeModule());
   }
 
   public static String toJson(Object obj) {