From 205b176009fe9b11f1a9077b2880d02c80c4c205 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Tue, 6 Oct 2026 12:41:49 +0000
Subject: [PATCH 1/2] build(deps): bump
 com.fasterxml.jackson.core:jackson-databind

Bumps [com.fasterxml.jackson.core:jackson-databind](https://github.com/FasterXML/jackson-databind) from 2.15.4 to 2.18.11.
- [Commits](https://github.com/FasterXML/jackson-databind/compare/jackson-databind-2.15.4...jackson-databind-2.18.11)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-version: 2.18.11
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 wayang-api/wayang-api-scala-java/pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wayang-api/wayang-api-scala-java/pom.xml b/wayang-api/wayang-api-scala-java/pom.xml
index efc1cd3ee..12e5f69e4 100644
--- a/wayang-api/wayang-api-scala-java/pom.xml
+++ b/wayang-api/wayang-api-scala-java/pom.xml
@@ -145,7 +145,7 @@
          <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.15.4</version>
+            <version>2.18.11</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.module</groupId>

From 5a6ee6435759f97abd75d779572dad2416165a14 Mon Sep 17 00:00:00 2001
From: 2pk03 <alo.alt@me.com>
Date: Mon, 19 Oct 2026 09:32:49 +0200
Subject: [PATCH 2/2] Align Scala API Jackson dependencies

---
 wayang-api/wayang-api-scala-java/pom.xml      | 10 ++++-
 .../wayang/api/JacksonCompatibilityTest.java  | 42 +++++++++++++++++++
 2 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 wayang-api/wayang-api-scala-java/src/test/java/org/apache/wayang/api/JacksonCompatibilityTest.java

diff --git a/wayang-api/wayang-api-scala-java/pom.xml b/wayang-api/wayang-api-scala-java/pom.xml
index 12e5f69e4..fb064a12f 100644
--- a/wayang-api/wayang-api-scala-java/pom.xml
+++ b/wayang-api/wayang-api-scala-java/pom.xml
@@ -33,11 +33,19 @@
 
     <properties>
         <java-module-name>org.apache.wayang.api</java-module-name>
+        <jackson.version>2.18.11</jackson.version>
         <tensorflow.version>1.0.0</tensorflow.version>
     </properties>
 
     <dependencyManagement>
         <dependencies>
+            <dependency>
+                <groupId>com.fasterxml.jackson</groupId>
+                <artifactId>jackson-bom</artifactId>
+                <version>${jackson.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
@@ -145,7 +153,7 @@
          <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.18.11</version>
+            <version>${jackson.version}</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.module</groupId>
diff --git a/wayang-api/wayang-api-scala-java/src/test/java/org/apache/wayang/api/JacksonCompatibilityTest.java b/wayang-api/wayang-api-scala-java/src/test/java/org/apache/wayang/api/JacksonCompatibilityTest.java
new file mode 100644
index 000000000..f8ca5d53c
--- /dev/null
+++ b/wayang-api/wayang-api-scala-java/src/test/java/org/apache/wayang/api/JacksonCompatibilityTest.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.wayang.api;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.module.scala.DefaultScalaModule;
+import org.junit.jupiter.api.Test;
+import scala.Tuple2;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class JacksonCompatibilityTest {
+
+    @Test
+    void scalaTupleRoundtrip() throws Exception {
+        ObjectMapper mapper = new ObjectMapper().registerModule(new DefaultScalaModule());
+        Tuple2<String, Integer> value = new Tuple2<>("count", 42);
+
+        String json = mapper.writeValueAsString(value);
+        Tuple2<String, Integer> restored = mapper.readValue(
+                json, new TypeReference<Tuple2<String, Integer>>() { });
+
+        assertEquals(value, restored);
+    }
+}