klam-shop commented on pull request #16693: URL: https://github.com/apache/flink/pull/16693#issuecomment-892771406
I just tried this backport and got the following error, with the reproduction I described in https://lists.apache.org/thread.html/r528102e08d19d3ae446e5df75710009128c736735c0aaf310f95abeb%40%3Cuser.flink.apache.org%3E (ie. starting job with exactly_once, waited for some checkpoints to complete, and killed a task manager, job fails to recover from checkpoint) ``` 2021-08-04 11:46:38 java.lang.RuntimeException: Incompatible KafkaProducer version at org.apache.flink.streaming.connectors.kafka.internals.FlinkKafkaInternalProducer.createProducerIdAndEpoch(FlinkKafkaInternalProducer.java:299) at org.apache.flink.streaming.connectors.kafka.internals.FlinkKafkaInternalProducer.resumeTransaction(FlinkKafkaInternalProducer.java:233) at org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer.recoverAndCommit(FlinkKafkaProducer.java:1029) at org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer.recoverAndCommit(FlinkKafkaProducer.java:99) at org.apache.flink.streaming.api.functions.sink.TwoPhaseCommitSinkFunction.recoverAndCommitInternal(TwoPhaseCommitSinkFunction.java:414) at org.apache.flink.streaming.api.functions.sink.TwoPhaseCommitSinkFunction.initializeState(TwoPhaseCommitSinkFunction.java:364) at org.apache.flink.streaming.connectors.kafka.FlinkKafkaProducer.initializeState(FlinkKafkaProducer.java:1195) at org.apache.flink.streaming.util.functions.StreamingFunctionUtils.tryRestoreFunction(StreamingFunctionUtils.java:189) at org.apache.flink.streaming.util.functions.StreamingFunctionUtils.restoreFunctionState(StreamingFunctionUtils.java:171) at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.initializeState(AbstractUdfStreamOperator.java:96) at org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.initializeOperatorState(StreamOperatorStateHandler.java:118) at org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:290) at org.apache.flink.streaming.runtime.tasks.OperatorChain.initializeStateAndOpenOperators(OperatorChain.java:436) at org.apache.flink.streaming.runtime.tasks.StreamTask.restoreGates(StreamTask.java:582) at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$1.call(StreamTaskActionExecutor.java:55) at org.apache.flink.streaming.runtime.tasks.StreamTask.executeRestore(StreamTask.java:562) at org.apache.flink.streaming.runtime.tasks.StreamTask.runWithCleanUpOnFail(StreamTask.java:647) at org.apache.flink.streaming.runtime.tasks.StreamTask.restore(StreamTask.java:537) at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:759) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:566) at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.ClassNotFoundException: org.apache.kafka.clients.producer.internals.ProducerIdAndEpoch at java.base/java.net.URLClassLoader.findClass(Unknown Source) at java.base/java.lang.ClassLoader.loadClass(Unknown Source) at org.apache.flink.util.FlinkUserCodeClassLoader.loadClassWithoutExceptionHandling(FlinkUserCodeClassLoader.java:64) at org.apache.flink.util.ChildFirstClassLoader.loadClassWithoutExceptionHandling(ChildFirstClassLoader.java:74) at org.apache.flink.util.FlinkUserCodeClassLoader.loadClass(FlinkUserCodeClassLoader.java:48) at java.base/java.lang.ClassLoader.loadClass(Unknown Source) at java.base/java.lang.Class.forName0(Native Method) at java.base/java.lang.Class.forName(Unknown Source) at org.apache.flink.streaming.connectors.kafka.internals.FlinkKafkaInternalProducer.createProducerIdAndEpoch(FlinkKafkaInternalProducer.java:291) ... 20 more ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
