Dejan Stojadinović created KAFKA-19769:
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Summary: [Java 25] few tests are failling (class:
clients/org.apache.kafka.common.network.SslTransportLayerTest)
Key: KAFKA-19769
URL: https://issues.apache.org/jira/browse/KAFKA-19769
Project: Kafka
Issue Type: Task
Components: clients
Reporter: Dejan Stojadinović
*Reproducer:*
* use this branch: https://github.com/dejan2609/kafka/tree/KAFKA-19664 (i.e.
this PR: https://github.com/apache/kafka/pull/20561)
* execute: *_./gradlew :clients:test --tests
"org.apache.kafka.common.network.SslTransportLayerTest" -i _* and change Java
versions
* test results:
** Java 17: (/)
** Java 24: (/)
** Java 25: 159 tests completed, 8 failed (x)
In more details:
{code}
dejan@dejan-HP-ProBook-450-G7:~/kafka$ git log -3 --oneline
a37616a1eb (HEAD -> KAFKA-19664, origin/KAFKA-19664) KAFKA-19664 Support
building with Java 25 (LTS release)
c6bbbbe24d KAFKA-19174 Gradle version upgrade 8 -->> 9 (#19513)
f5a87b3703 KAFKA-19748: Add a note in docs about memory leak in Kafka Streams
4.1.0 (#20639)
dejan@dejan-HP-ProBook-450-G7:~/kafka$ java -version
openjdk version "17.0.16" 2025-07-15
OpenJDK Runtime Environment Temurin-17.0.16+8 (build 17.0.16+8)
OpenJDK 64-Bit Server VM Temurin-17.0.16+8 (build 17.0.16+8, mixed mode,
sharing)
dejan@dejan-HP-ProBook-450-G7:~/kafka$ ./gradlew :clients:test --tests
"org.apache.kafka.common.network.SslTransportLayerTest" -q
Starting build with version 4.2.0-SNAPSHOT (commit id a37616a1) using Gradle
9.1.0, Java 17 and Scala 2.13.17
Build properties: ignoreFailures=false, maxParallelForks=8, maxScalacThreads=8,
maxTestRetries=0
MessageGenerator: processed 197 Kafka message JSON file(s).
MessageGenerator: processed 4 Kafka message JSON file(s).
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
OpenJDK 64-Bit Server VM warning: Sharing is only supported for boot loader
classes because bootstrap classpath has been appended
dejan@dejan-HP-ProBook-450-G7:~/kafka$ sdk use java 24.0.2-tem
Using java version 24.0.2-tem in this shell.
dejan@dejan-HP-ProBook-450-G7:~/kafka$ java -version
openjdk version "24.0.2" 2025-07-15
OpenJDK Runtime Environment Temurin-24.0.2+12 (build 24.0.2+12)
OpenJDK 64-Bit Server VM Temurin-24.0.2+12 (build 24.0.2+12, mixed mode,
sharing)
dejan@dejan-HP-ProBook-450-G7:~/kafka$ ./gradlew :clients:test --tests
"org.apache.kafka.common.network.SslTransportLayerTest" -q
Starting build with version 4.2.0-SNAPSHOT (commit id a37616a1) using Gradle
9.1.0, Java 24 and Scala 2.13.17
Build properties: ignoreFailures=false, maxParallelForks=8, maxScalacThreads=8,
maxTestRetries=0
MessageGenerator: processed 197 Kafka message JSON file(s).
MessageGenerator: processed 4 Kafka message JSON file(s).
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
OpenJDK 64-Bit Server VM warning: Sharing is only supported for boot loader
classes because bootstrap classpath has been appended
dejan@dejan-HP-ProBook-450-G7:~/kafka$ sdk use java 25-tem
Using java version 25-tem in this shell.
dejan@dejan-HP-ProBook-450-G7:~/kafka$ java -version
openjdk version "25" 2025-09-16 LTS
OpenJDK Runtime Environment Temurin-25+36 (build 25+36-LTS)
OpenJDK 64-Bit Server VM Temurin-25+36 (build 25+36-LTS, mixed mode, sharing)
dejan@dejan-HP-ProBook-450-G7:~/kafka$ ./gradlew :clients:test --tests
"org.apache.kafka.common.network.SslTransportLayerTest" -q
Starting build with version 4.2.0-SNAPSHOT (commit id a37616a1) using Gradle
9.1.0, Java 25 and Scala 2.13.17
Build properties: ignoreFailures=false, maxParallelForks=8, maxScalacThreads=8,
maxTestRetries=0
MessageGenerator: processed 197 Kafka message JSON file(s).
MessageGenerator: processed 4 Kafka message JSON file(s).
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
org.apache.kafka.common.network.SslTransportLayerTest.testListenerConfigOverride(Args)[1]
failed, log available in
/home/dejan/kafka/clients/build/reports/testOutput/org.apache.kafka.common.network.SslTransportLayerTest.testListenerConfigOverride(Args)[1].test.stdout
OpenJDK 64-Bit Server VM warning: Sharing is only supported for boot loader
classes because bootstrap classpath has been appended
org.apache.kafka.common.network.SslTransportLayerTest.testInterBrokerSslConfigValidation(Args)[1]
failed, log available in
/home/dejan/kafka/clients/build/reports/testOutput/org.apache.kafka.common.network.SslTransportLayerTest.testInterBrokerSslConfigValidation(Args)[1].test.stdout
org.apache.kafka.common.network.SslTransportLayerTest.testServerTruststoreDynamicUpdate(Args)[1]
failed, log available in
/home/dejan/kafka/clients/build/reports/testOutput/org.apache.kafka.common.network.SslTransportLayerTest.testServerTruststoreDynamicUpdate(Args)[1].test.stdout
org.apache.kafka.common.network.SslTransportLayerTest.testECKeyPair(Args)[1]
failed, log available in
/home/dejan/kafka/clients/build/reports/testOutput/org.apache.kafka.common.network.SslTransportLayerTest.testECKeyPair(Args)[1].test.stdout
org.apache.kafka.common.network.SslTransportLayerTest.testPemFiles(Args)[1]
failed, log available in
/home/dejan/kafka/clients/build/reports/testOutput/org.apache.kafka.common.network.SslTransportLayerTest.testPemFiles(Args)[1].test.stdout
org.apache.kafka.common.network.SslTransportLayerTest.testClientAuthenticationRequiredValidProvided(Args)[1]
failed, log available in
/home/dejan/kafka/clients/build/reports/testOutput/org.apache.kafka.common.network.SslTransportLayerTest.testClientAuthenticationRequiredValidProvided(Args)[1].test.stdout
org.apache.kafka.common.network.SslTransportLayerTest.testDsaKeyPair(Args)[1]
failed, log available in
/home/dejan/kafka/clients/build/reports/testOutput/org.apache.kafka.common.network.SslTransportLayerTest.testDsaKeyPair(Args)[1].test.stdout
org.apache.kafka.common.network.SslTransportLayerTest.testPemFilesWithoutClientKeyPassword(Args)[1]
failed, log available in
/home/dejan/kafka/clients/build/reports/testOutput/org.apache.kafka.common.network.SslTransportLayerTest.testPemFilesWithoutClientKeyPassword(Args)[1].test.stdout
159 tests completed, 8 failed
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':clients:test'.
> There were failing tests. See the report at:
> file:///home/dejan/kafka/clients/build/reports/tests/test/index.html
BUILD FAILED in 8m 22s
dejan@dejan-HP-ProBook-450-G7:~/kafka$
{code}
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