[FLINK-28002] test_connectors.py failed with "object is not an instance of declaring class" in JDK11

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.16.0
• Fix Version/s: 1.16.0
• Component/s: API / Python
• Labels: pull-request-available test-stability
• Assignee: Huang Xingbo
• Reporter: Huang Xingbo
• Created: 10/Jun/22 11:51
• Updated: 22/Jun/22 05:49
• Resolved: 20/Jun/22 12:24

Description

2022-06-10T02:43:20.7206790Z Jun 10 02:43:20 E                   : java.lang.IllegalArgumentException: object is not an instance of declaring class
2022-06-10T02:43:20.7207481Z Jun 10 02:43:20 E                   	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2022-06-10T02:43:20.7208200Z Jun 10 02:43:20 E                   	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
2022-06-10T02:43:20.7209003Z Jun 10 02:43:20 E                   	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2022-06-10T02:43:20.7209720Z Jun 10 02:43:20 E                   	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
2022-06-10T02:43:20.7210572Z Jun 10 02:43:20 E                   	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2022-06-10T02:43:20.7211291Z Jun 10 02:43:20 E                   	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
2022-06-10T02:43:20.7212101Z Jun 10 02:43:20 E                   	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2022-06-10T02:43:20.7212796Z Jun 10 02:43:20 E                   	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
2022-06-10T02:43:20.7213500Z Jun 10 02:43:20 E                   	at org.apache.flink.api.python.shaded.py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
2022-06-10T02:43:20.7214327Z Jun 10 02:43:20 E                   	at org.apache.flink.api.python.shaded.py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
2022-06-10T02:43:20.7215097Z Jun 10 02:43:20 E                   	at org.apache.flink.api.python.shaded.py4j.Gateway.invoke(Gateway.java:282)
2022-06-10T02:43:20.7215885Z Jun 10 02:43:20 E                   	at org.apache.flink.api.python.shaded.py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
2022-06-10T02:43:20.7216700Z Jun 10 02:43:20 E                   	at org.apache.flink.api.python.shaded.py4j.commands.CallCommand.execute(CallCommand.java:79)
2022-06-10T02:43:20.7217558Z Jun 10 02:43:20 E                   	at org.apache.flink.api.python.shaded.py4j.GatewayConnection.run(GatewayConnection.java:238)
2022-06-10T02:43:20.7218225Z Jun 10 02:43:20 E                   	at java.base/java.lang.Thread.run(Thread.java:829)

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=36508&view=logs&j=e92ecf6d-e207-5a42-7ff7-528ff0c5b259&t=40fc352e-9b4c-5fd8-363f-628f24b01ec2

Issue Links

• is duplicated by: FLINK-28148 Unable to load jar connector to a Python Table API app
• links to: GitHub Pull Request #19947