[FLINK-34245] CassandraSinkTest.test_cassandra_sink fails under JDK17 and JDK21 due to InaccessibleObjectException

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.19.0
• Fix Version/s: 1.19.0
• Component/s: API / Python, Connectors / Cassandra
• Labels: pull-request-available test-stability
• Assignee: Junrui Li
• Reporter: Matthias Pohl
• Created: 26/Jan/24 15:37
• Updated: 29/Jan/24 14:37
• Resolved: 28/Jan/24 09:42

Description

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=56942&view=logs&j=b53e1644-5cb4-5a3b-5d48-f523f39bcf06&t=b68c9f5c-04c9-5c75-3862-a3a27aabbce3

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=56942&view=logs&j=60960eae-6f09-579e-371e-29814bdd1adc&t=7a70c083-6a74-5348-5106-30a76c29d8fa&l=63680

Jan 26 01:29:27 E                   py4j.protocol.Py4JJavaError: An error occurred while calling z:org.apache.flink.python.util.PythonConfigUtil.configPythonOperator.
Jan 26 01:29:27 E                   : java.lang.reflect.InaccessibleObjectException: Unable to make field final java.util.Map java.util.Collections$UnmodifiableMap.m accessible: module java.base does not "opens java.util" to unnamed module @17695df3
Jan 26 01:29:27 E                   	at java.base/java.lang.reflect.AccessibleObject.throwInaccessibleObjectException(AccessibleObject.java:391)
Jan 26 01:29:27 E                   	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:367)
Jan 26 01:29:27 E                   	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:315)
Jan 26 01:29:27 E                   	at java.base/java.lang.reflect.Field.checkCanSetAccessible(Field.java:183)
Jan 26 01:29:27 E                   	at java.base/java.lang.reflect.Field.setAccessible(Field.java:177)
Jan 26 01:29:27 E                   	at org.apache.flink.python.util.PythonConfigUtil.registerPythonBroadcastTransformationTranslator(PythonConfigUtil.java:357)
Jan 26 01:29:27 E                   	at org.apache.flink.python.util.PythonConfigUtil.configPythonOperator(PythonConfigUtil.java:101)
Jan 26 01:29:27 E                   	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
Jan 26 01:29:27 E                   	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
Jan 26 01:29:27 E                   	at org.apache.flink.api.python.shaded.py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
Jan 26 01:29:27 E                   	at org.apache.flink.api.python.shaded.py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:374)
Jan 26 01:29:27 E                   	at org.apache.flink.api.python.shaded.py4j.Gateway.invoke(Gateway.java:282)
Jan 26 01:29:27 E                   	at org.apache.flink.api.python.shaded.py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
Jan 26 01:29:27 E                   	at org.apache.flink.api.python.shaded.py4j.commands.CallCommand.execute(CallCommand.java:79)
Jan 26 01:29:27 E                   	at org.apache.flink.api.python.shaded.py4j.GatewayConnection.run(GatewayConnection.java:238)
Jan 26 01:29:27 E                   	at java.base/java.lang.Thread.run(Thread.java:1583) 

Issue Links

• links to: GitHub Pull Request #24209