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commit e75c00e67bf80bd3dd4ec84a17b8cc935db2074b
Author: Aleksandr Savonin <[email protected]>
AuthorDate: Sun Jan 18 15:37:40 2026 +0100

    [FLINK-38937] Rename KAFKA constant to CP_KAFKA for clarity
---
 .../java/org/apache/flink/tests/util/kafka/KafkaSinkE2ECase.java    | 2 +-
 .../java/org/apache/flink/tests/util/kafka/KafkaSourceE2ECase.java  | 4 ++--
 .../java/org/apache/flink/connector/kafka/sink/KafkaSinkITCase.java | 2 +-
 .../org/apache/flink/connector/kafka/source/KafkaSourceITCase.java  | 2 +-
 .../apache/flink/connector/kafka/testutils/DockerImageVersions.java | 2 +-
 .../kafka/testutils/FlinkKafkaIntegrationCompatibilityTest.java     | 6 +++---
 .../java/org/apache/flink/connector/kafka/testutils/KafkaUtil.java  | 2 +-
 .../connector/kafka/testutils/TestKafkaContainerValidationTest.java | 2 +-
 .../apache/flink/connector/kafka/testutils/TwoKafkaContainers.java  | 2 +-
 .../flink/streaming/connectors/kafka/KafkaTestEnvironmentImpl.java  | 2 +-
 10 files changed, 13 insertions(+), 13 deletions(-)

diff --git 
a/flink-connector-kafka-e2e-tests/flink-end-to-end-tests-common-kafka/src/test/java/org/apache/flink/tests/util/kafka/KafkaSinkE2ECase.java
 
b/flink-connector-kafka-e2e-tests/flink-end-to-end-tests-common-kafka/src/test/java/org/apache/flink/tests/util/kafka/KafkaSinkE2ECase.java
index 479e3b3b..c34b179c 100644
--- 
a/flink-connector-kafka-e2e-tests/flink-end-to-end-tests-common-kafka/src/test/java/org/apache/flink/tests/util/kafka/KafkaSinkE2ECase.java
+++ 
b/flink-connector-kafka-e2e-tests/flink-end-to-end-tests-common-kafka/src/test/java/org/apache/flink/tests/util/kafka/KafkaSinkE2ECase.java
@@ -51,7 +51,7 @@ public class KafkaSinkE2ECase extends 
SinkTestSuiteBase<String> {
     @TestEnv FlinkContainerTestEnvironment flink = new 
FlinkContainerTestEnvironment(1, 6);
 
     private final TestKafkaContainer kafkaContainer =
-            new 
TestKafkaContainer(DockerImageVersions.KAFKA).withNetworkAliases(KAFKA_HOSTNAME);
+            new 
TestKafkaContainer(DockerImageVersions.CP_KAFKA).withNetworkAliases(KAFKA_HOSTNAME);
 
     // Defines ConnectorExternalSystem
     @SuppressWarnings({"rawtypes", "unchecked"})
diff --git 
a/flink-connector-kafka-e2e-tests/flink-end-to-end-tests-common-kafka/src/test/java/org/apache/flink/tests/util/kafka/KafkaSourceE2ECase.java
 
b/flink-connector-kafka-e2e-tests/flink-end-to-end-tests-common-kafka/src/test/java/org/apache/flink/tests/util/kafka/KafkaSourceE2ECase.java
index 67f7dfa3..37ea90dc 100644
--- 
a/flink-connector-kafka-e2e-tests/flink-end-to-end-tests-common-kafka/src/test/java/org/apache/flink/tests/util/kafka/KafkaSourceE2ECase.java
+++ 
b/flink-connector-kafka-e2e-tests/flink-end-to-end-tests-common-kafka/src/test/java/org/apache/flink/tests/util/kafka/KafkaSourceE2ECase.java
@@ -34,7 +34,7 @@ import org.testcontainers.containers.GenericContainer;
 
 import java.util.Arrays;
 
-import static 
org.apache.flink.connector.kafka.testutils.DockerImageVersions.KAFKA;
+import static 
org.apache.flink.connector.kafka.testutils.DockerImageVersions.CP_KAFKA;
 import static 
org.apache.flink.connector.kafka.testutils.KafkaSourceExternalContext.SplitMappingMode.PARTITION;
 import static 
org.apache.flink.connector.kafka.testutils.KafkaSourceExternalContext.SplitMappingMode.TOPIC;
 
@@ -49,7 +49,7 @@ public class KafkaSourceE2ECase extends 
SourceTestSuiteBase<String> {
     @TestEnv FlinkContainerTestEnvironment flink = new 
FlinkContainerTestEnvironment(1, 6);
 
     TestKafkaContainer kafkaContainer =
-            new TestKafkaContainer(KAFKA).withNetworkAliases(KAFKA_HOSTNAME);
+            new 
TestKafkaContainer(CP_KAFKA).withNetworkAliases(KAFKA_HOSTNAME);
 
     // Defines ConnectorExternalSystem
     @SuppressWarnings({"rawtypes", "unchecked"})
diff --git 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/sink/KafkaSinkITCase.java
 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/sink/KafkaSinkITCase.java
index 773b13b8..2504a4cd 100644
--- 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/sink/KafkaSinkITCase.java
+++ 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/sink/KafkaSinkITCase.java
@@ -194,7 +194,7 @@ public class KafkaSinkITCase extends TestLogger {
         @TestEnv MiniClusterTestEnvironment flink = new 
MiniClusterTestEnvironment();
 
         private final TestKafkaContainer kafkaContainer =
-                new 
TestKafkaContainer(DockerImageName.parse(DockerImageVersions.KAFKA));
+                new 
TestKafkaContainer(DockerImageName.parse(DockerImageVersions.CP_KAFKA));
 
         // Defines external system
         @SuppressWarnings({"rawtypes", "unchecked"})
diff --git 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/source/KafkaSourceITCase.java
 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/source/KafkaSourceITCase.java
index c5fe60ee..73028290 100644
--- 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/source/KafkaSourceITCase.java
+++ 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/source/KafkaSourceITCase.java
@@ -421,7 +421,7 @@ public class KafkaSourceITCase {
         MiniClusterTestEnvironment flink = new MiniClusterTestEnvironment();
 
         private final TestKafkaContainer kafkaContainer =
-                new 
TestKafkaContainer(DockerImageName.parse(DockerImageVersions.KAFKA));
+                new 
TestKafkaContainer(DockerImageName.parse(DockerImageVersions.CP_KAFKA));
 
         // Defines external system
         @SuppressWarnings({"rawtypes", "unchecked"})
diff --git 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/DockerImageVersions.java
 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/DockerImageVersions.java
index ec1e1535..f33e9f8a 100644
--- 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/DockerImageVersions.java
+++ 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/DockerImageVersions.java
@@ -24,7 +24,7 @@ package org.apache.flink.connector.kafka.testutils;
  */
 public class DockerImageVersions {
 
-    public static final String KAFKA = "confluentinc/cp-kafka:7.9.2";
+    public static final String CP_KAFKA = "confluentinc/cp-kafka:7.9.2";
     public static final String APACHE_KAFKA = "apache/kafka:4.1.1";
 
     public static final String SCHEMA_REGISTRY = 
"confluentinc/cp-schema-registry:7.9.2";
diff --git 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/FlinkKafkaIntegrationCompatibilityTest.java
 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/FlinkKafkaIntegrationCompatibilityTest.java
index 925dd6b0..938fb7e7 100644
--- 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/FlinkKafkaIntegrationCompatibilityTest.java
+++ 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/FlinkKafkaIntegrationCompatibilityTest.java
@@ -54,7 +54,7 @@ import java.util.Map;
 import java.util.UUID;
 
 import static 
org.apache.flink.connector.kafka.testutils.DockerImageVersions.APACHE_KAFKA;
-import static 
org.apache.flink.connector.kafka.testutils.DockerImageVersions.KAFKA;
+import static 
org.apache.flink.connector.kafka.testutils.DockerImageVersions.CP_KAFKA;
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
@@ -86,7 +86,7 @@ class FlinkKafkaIntegrationCompatibilityTest {
      * <p>This is adapted from {@code 
KafkaSourceITCase.testValueOnlyDeserializer}.
      */
     @ParameterizedTest
-    @ValueSource(strings = {KAFKA, APACHE_KAFKA})
+    @ValueSource(strings = {CP_KAFKA, APACHE_KAFKA})
     void testFlinkKafkaSourceIntegration(String dockerImage) throws Exception {
         // Start Kafka container
         kafkaContainer = new TestKafkaContainer(dockerImage);
@@ -181,7 +181,7 @@ class FlinkKafkaIntegrationCompatibilityTest {
      * <p>This is adapted from {@code 
KafkaSinkITCase.testWriteRecordsToKafkaWithNoneGuarantee}.
      */
     @ParameterizedTest
-    @ValueSource(strings = {KAFKA, APACHE_KAFKA})
+    @ValueSource(strings = {CP_KAFKA, APACHE_KAFKA})
     void testFlinkKafkaSinkIntegration(String dockerImage) throws Exception {
         // Start Kafka container
         kafkaContainer = new TestKafkaContainer(dockerImage);
diff --git 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/KafkaUtil.java
 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/KafkaUtil.java
index 934c1c92..f0e747e1 100644
--- 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/KafkaUtil.java
+++ 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/KafkaUtil.java
@@ -62,7 +62,7 @@ public class KafkaUtil {
         String logLevel = inferLogLevel(logger);
 
         Slf4jLogConsumer logConsumer = new Slf4jLogConsumer(logger, true);
-        return new 
TestKafkaContainer(DockerImageName.parse(DockerImageVersions.KAFKA))
+        return new 
TestKafkaContainer(DockerImageName.parse(DockerImageVersions.CP_KAFKA))
                 .withEnv("KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR", "1")
                 .withEnv("KAFKA_TRANSACTION_STATE_LOG_MIN_ISR", "1")
                 .withEnv("KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR", "1")
diff --git 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/TestKafkaContainerValidationTest.java
 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/TestKafkaContainerValidationTest.java
index 38d8a81a..8ddfbbe6 100644
--- 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/TestKafkaContainerValidationTest.java
+++ 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/TestKafkaContainerValidationTest.java
@@ -27,7 +27,7 @@ class TestKafkaContainerValidationTest {
 
     @Test
     void testConfluentImageIsAccepted() {
-        assertThatCode(() -> new TestKafkaContainer(DockerImageVersions.KAFKA))
+        assertThatCode(() -> new 
TestKafkaContainer(DockerImageVersions.CP_KAFKA))
                 .doesNotThrowAnyException();
     }
 
diff --git 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/TwoKafkaContainers.java
 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/TwoKafkaContainers.java
index 247357e4..b15a95c3 100644
--- 
a/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/TwoKafkaContainers.java
+++ 
b/flink-connector-kafka/src/test/java/org/apache/flink/connector/kafka/testutils/TwoKafkaContainers.java
@@ -27,7 +27,7 @@ public class TwoKafkaContainers extends 
GenericContainer<TwoKafkaContainers> {
     private final TestKafkaContainer kafka1;
 
     public TwoKafkaContainers() {
-        DockerImageName dockerImageName = 
DockerImageName.parse(DockerImageVersions.KAFKA);
+        DockerImageName dockerImageName = 
DockerImageName.parse(DockerImageVersions.CP_KAFKA);
         this.kafka0 = new TestKafkaContainer(dockerImageName);
         this.kafka1 = new TestKafkaContainer(dockerImageName);
     }
diff --git 
a/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaTestEnvironmentImpl.java
 
b/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaTestEnvironmentImpl.java
index a4d1a8b8..ee55cb01 100644
--- 
a/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaTestEnvironmentImpl.java
+++ 
b/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaTestEnvironmentImpl.java
@@ -198,7 +198,7 @@ public class KafkaTestEnvironmentImpl extends 
KafkaTestEnvironment {
 
     @Override
     public String getVersion() {
-        return DockerImageVersions.KAFKA;
+        return DockerImageVersions.CP_KAFKA;
     }
 
     @Override

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