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Fix PostCommit PortableJar Flink job #39905

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Fix PostCommit PortableJar Flink job #39905

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1 change: 1 addition & 0 deletions .github/workflows/beam_PostCommit_PortableJar_Flink.yml
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Expand Up @@ -76,6 +76,7 @@ jobs:
uses: ./.github/actions/setup-environment-action
with:
python-version: default
java-version: '17'

@Abacn Abacn Aug 27, 2026

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I see

Exception in thread "main" java.util.ServiceConfigurationError: java.net.spi.InetAddressResolverProvider: Provider org.xbill.DNS.spi.DnsjavaInetAddressResolverProvider not found
	at java.base/java.util.ServiceLoader.fail(ServiceLoader.java:593)

due to CI bumped to Java21. This should be fixed by 'Multi-Release': 'true'. Does pin to Java17 still needed and why?

@Amar3tto Amar3tto Aug 27, 2026

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I tried 'Multi-Release': 'true' with Java21, the same error

@Abacn Abacn Aug 27, 2026

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Ideally not pin to Java17 as we still need to fix it later on. Tested in https://github.com/apache/beam/actions/runs/33089112555

c6f125a#diff-b54459154d5fd469e3aee54c9f7fe7017242b6c289f25d7a9433e2e7a15c07ebR354

excluding 'META-INF/services/java.net.spi.InetAddressResolverProvider' from the miniCluster jar it now works

@Abacn Abacn Aug 28, 2026

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Opened #39905

- name: run testPipelineJarFlinkRunner script
env:
CLOUDSDK_CONFIG: ${{ env.KUBELET_GCLOUD_CONFIG_PATH}}
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5 changes: 4 additions & 1 deletion runners/flink/job-server/flink_job_server.gradle
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Expand Up @@ -351,7 +351,10 @@ tasks.register("miniCluster", Jar) {
exclude "**/PortablePipelineJarUtils*"
}
manifest {
attributes('Main-Class': 'org.apache.beam.runners.flink.FlinkMiniClusterEntryPoint')
attributes(
'Main-Class': 'org.apache.beam.runners.flink.FlinkMiniClusterEntryPoint',
'Multi-Release': 'true'
)
}
zip64 true // jar needs to contain more than 65535 files
}
12 changes: 11 additions & 1 deletion runners/portability/test_flink_uber_jar.sh
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Expand Up @@ -98,7 +98,17 @@ s.close()
FLINK_PORT=$(python -c "$SOCKET_SCRIPT")

echo "Starting Flink mini cluster listening on port $FLINK_PORT"
java -Dorg.slf4j.simpleLogger.defaultLogLevel=warn -jar "$FLINK_MINI_CLUSTER_JAR" --rest-port "$FLINK_PORT" --rest-bind-address localhost &
java \
--add-opens=java.base/sun.nio.ch=ALL-UNNAMED \
--add-opens=java.base/java.nio=ALL-UNNAMED \
--add-opens=java.base/java.util=ALL-UNNAMED \
--add-opens=java.base/java.lang.invoke=ALL-UNNAMED \
--add-opens=java.base/java.lang=ALL-UNNAMED \
-Djava.security.manager=allow \
-Dorg.slf4j.simpleLogger.defaultLogLevel=warn \
-jar "$FLINK_MINI_CLUSTER_JAR" \
--rest-port "$FLINK_PORT" \
--rest-bind-address localhost &

PIPELINE_PY="
import apache_beam as beam
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