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snuyanzin pushed a commit to branch release-2.3
in repository https://gitbox.apache.org/repos/asf/flink.git
The following commit(s) were added to refs/heads/release-2.3 by this push:
new 4875563abba [FLINK-39547][table] Fix table-planner class loading order
4875563abba is described below
commit 4875563abba29b4fcabd2d11ac43d9172a310f64
Author: Piotr Przybylski <[email protected]>
AuthorDate: Wed Apr 29 09:28:25 2026 +0200
[FLINK-39547][table] Fix table-planner class loading order
---
.../flink-end-to-end-tests-table-api/pom.xml | 7 ++++++
.../test/join/JoinWithCustomTypeExampleTest.java | 29 ++++++++++++++++++++++
.../join/adaptive/AdaptiveJoinOperatorFactory.java | 3 ++-
3 files changed, 38 insertions(+), 1 deletion(-)
diff --git a/flink-end-to-end-tests/flink-end-to-end-tests-table-api/pom.xml
b/flink-end-to-end-tests/flink-end-to-end-tests-table-api/pom.xml
index 45346e8e3e5..fe5245ccf2d 100644
--- a/flink-end-to-end-tests/flink-end-to-end-tests-table-api/pom.xml
+++ b/flink-end-to-end-tests/flink-end-to-end-tests-table-api/pom.xml
@@ -39,6 +39,13 @@ under the License.
<scope>provided</scope>
</dependency>
+ <!-- Incompatible Scala library in user code shouldn't break
table-planner -->
+ <dependency>
+ <groupId>org.scala-lang</groupId>
+ <artifactId>scala-library</artifactId>
+ <version>2.13.18</version>
+ </dependency>
+
<!-- Flink Table API -->
<dependency>
<groupId>org.apache.flink</groupId>
diff --git
a/flink-end-to-end-tests/flink-end-to-end-tests-table-api/src/test/java/org/apache/flink/table/test/join/JoinWithCustomTypeExampleTest.java
b/flink-end-to-end-tests/flink-end-to-end-tests-table-api/src/test/java/org/apache/flink/table/test/join/JoinWithCustomTypeExampleTest.java
new file mode 100644
index 00000000000..0e51c0dbc5f
--- /dev/null
+++
b/flink-end-to-end-tests/flink-end-to-end-tests-table-api/src/test/java/org/apache/flink/table/test/join/JoinWithCustomTypeExampleTest.java
@@ -0,0 +1,29 @@
+/*
+ * 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.flink.table.test.join;
+
+import org.junit.jupiter.api.Test;
+
+public class JoinWithCustomTypeExampleTest {
+
+ @Test
+ void testJoinWithCustomTypeExample() throws Exception {
+ JoinWithCustomTypeExample.main(new String[0]);
+ }
+}
diff --git
a/flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/operators/join/adaptive/AdaptiveJoinOperatorFactory.java
b/flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/operators/join/adaptive/AdaptiveJoinOperatorFactory.java
index 7246f3718c0..890060082ae 100644
---
a/flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/operators/join/adaptive/AdaptiveJoinOperatorFactory.java
+++
b/flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/operators/join/adaptive/AdaptiveJoinOperatorFactory.java
@@ -102,9 +102,10 @@ public class AdaptiveJoinOperatorFactory<OUT> extends
AbstractStreamOperatorFact
ClassLoader classLoader =
plannerModule == null
? userClassLoader
- : FlinkUserCodeClassLoaders.parentFirst(
+ : FlinkUserCodeClassLoaders.childFirst(
plannerModule.getSubmoduleClassLoader().getURLs(),
userClassLoader,
+ new String[0],
NOOP_EXCEPTION_HANDLER,
checkClassLoaderLeak);
