chenwei182729 opened a new issue, #4023: URL: https://github.com/apache/incubator-seatunnel/issues/4023
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/incubator-seatunnel/issues?q=is%3Aissue+label%3A%22bug%22) and found no similar issues. ### What happened 当使用Seatunnel自已的引擎，sink到kafka时，报如下异常： 可能异常产生原因是： org.apache.kafka.common.serialization.ByteArraySerializer 使用的类加载器为SeatunnelChildFirstClassLoader，org.apache.kafka.common.serialization.Serializer使用的类加载器为AppClassLoader, ``` Caused by: org.apache.kafka.common.KafkaException: class org.apache.kafka.common.serialization.ByteArraySerializer is not an instance of org.apache.kafka.common.serialization.Serializer at org.apache.kafka.common.config.AbstractConfig.getConfiguredInstance(AbstractConfig.java:403) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.common.config.AbstractConfig.getConfiguredInstance(AbstractConfig.java:434) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.common.config.AbstractConfig.getConfiguredInstance(AbstractConfig.java:419) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:365) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:289) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:316) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:301) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.seatunnel.connectors.seatunnel.kafka.sink.KafkaNoTransactionSender.<init>(KafkaNoTransactionSender.java:42) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.seatunnel.connectors.seatunnel.kafka.sink.KafkaSinkWriter.<init>(KafkaSinkWriter.java:99) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.seatunnel.connectors.seatunnel.kafka.sink.KafkaSink.createWriter(KafkaSink.java:82) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.seatunnel.engine.server.task.flow.SinkFlowLifeCycle.restoreState(SinkFlowLifeCycle.java:196) ~[classes/:?] at org.apache.seatunnel.engine.server.task.SeaTunnelTask.lambda$restoreState$14(SeaTunnelTask.java:323) ~[classes/:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) ~[?:1.8.0_202] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[?:1.8.0_202] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) ~[?:1.8.0_202] at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382) ~[?:1.8.0_202] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[?:1.8.0_202] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[?:1.8.0_202] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) ~[?:1.8.0_202] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) ~[?:1.8.0_202] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:1.8.0_202] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) ~[?:1.8.0_202] at org.apache.seatunnel.engine.server.task.SeaTunnelTask.restoreState(SeaTunnelTask.java:321) ~[classes/:?] at org.apache.seatunnel.engine.server.checkpoint.operation.NotifyTaskRestoreOperation.lambda$run$0(NotifyTaskRestoreOperation.java:87) ~[classes/:?] at org.apache.seatunnel.common.utils.RetryUtils.retryWithException(RetryUtils.java:47) ~[classes/:?] at org.apache.seatunnel.engine.server.checkpoint.operation.NotifyTaskRestoreOperation.run(NotifyTaskRestoreOperation.java:81) ~[classes/:?] at com.hazelcast.spi.impl.operationservice.Operation.call(Operation.java:189) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.call(OperationRunnerImpl.java:273) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.run(OperationRunnerImpl.java:248) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.run(OperationRunnerImpl.java:213) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationexecutor.impl.OperationExecutorImpl.run(OperationExecutorImpl.java:411) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationexecutor.impl.OperationExecutorImpl.runOrExecute(OperationExecutorImpl.java:438) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.Invocation.doInvokeLocal(Invocation.java:601) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.Invocation.doInvoke(Invocation.java:580) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.Invocation.invoke0(Invocation.java:541) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.Invocation.invoke(Invocation.java:241) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.InvocationBuilderImpl.invoke(InvocationBuilderImpl.java:61) ~[hazelcast-5.1.jar:5.1] at org.apache.seatunnel.engine.server.utils.NodeEngineUtil.sendOperationToMemberNode(NodeEngineUtil.java:40) ~[classes/:?] at org.apache.seatunnel.engine.server.checkpoint.CheckpointManager.sendOperationToMemberNode(CheckpointManager.java:230) ~[classes/:?] ... 10 more ``` ### SeaTunnel Version 2.3.1 ### SeaTunnel Config ```conf env { # You can set flink configuration here execution.parallelism = 1 job.mode = "BATCH" execution.checkpoint.interval = 5000 #execution.checkpoint.data-uri = "hdfs://localhost:9000/checkpoint" } source { # This is a example source plugin **only for test and demonstrate the feature source plugin** FakeSource { result_table_name = "fake" schema = { fields { name = "string" age = "int" } } parallelism = 3 } } transform { } sink { kafka { topic = "quickstart-seatunnel" bootstrap.servers="127.0.0.1:9092" partition=1 format=json kafka.request.timeout.ms=60000 kafka.key.serializer=org.apache.kafka.common.serialization.StringSerializer kafka.value.serializer=org.apache.kafka.common.serialization.StringSerializer } } ``` ### Running Command ```shell org.apache.seatunnel.engine.client.SeaTunnelClientTest 类加，使用test方式运行 @Test public void testExecuteJob_kafka() { Common.setDeployMode(DeployMode.CLIENT); String filePath = TestUtils.getResource("/batch_fakesource_to_kafka.conf"); JobConfig jobConfig = new JobConfig(); jobConfig.setName("fake_to_kafka"); JobExecutionEnvironment jobExecutionEnv = CLIENT.createExecutionContext(filePath, jobConfig); try { final ClientJobProxy clientJobProxy = jobExecutionEnv.execute(); CompletableFuture<JobStatus> objectCompletableFuture = CompletableFuture.supplyAsync(() -> { return clientJobProxy.waitForJobComplete(); }); await().atMost(180000, TimeUnit.MILLISECONDS) .untilAsserted(() -> Assertions.assertTrue( objectCompletableFuture.isDone() && JobStatus.FINISHED.equals(objectCompletableFuture.get()))); } catch (ExecutionException | InterruptedException e) { throw new RuntimeException(e); } } ``` ``` ### Error Exception ```log Caused by: org.apache.kafka.common.KafkaException: class org.apache.kafka.common.serialization.ByteArraySerializer is not an instance of org.apache.kafka.common.serialization.Serializer at org.apache.kafka.common.config.AbstractConfig.getConfiguredInstance(AbstractConfig.java:403) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.common.config.AbstractConfig.getConfiguredInstance(AbstractConfig.java:434) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.common.config.AbstractConfig.getConfiguredInstance(AbstractConfig.java:419) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:365) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:289) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:316) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.kafka.clients.producer.KafkaProducer.<init>(KafkaProducer.java:301) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.seatunnel.connectors.seatunnel.kafka.sink.KafkaNoTransactionSender.<init>(KafkaNoTransactionSender.java:42) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.seatunnel.connectors.seatunnel.kafka.sink.KafkaSinkWriter.<init>(KafkaSinkWriter.java:99) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.seatunnel.connectors.seatunnel.kafka.sink.KafkaSink.createWriter(KafkaSink.java:82) ~[connector-kafka-2.3.1-SNAPSHOT.jar:2.3.1-SNAPSHOT] at org.apache.seatunnel.engine.server.task.flow.SinkFlowLifeCycle.restoreState(SinkFlowLifeCycle.java:196) ~[classes/:?] at org.apache.seatunnel.engine.server.task.SeaTunnelTask.lambda$restoreState$14(SeaTunnelTask.java:323) ~[classes/:?] at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) ~[?:1.8.0_202] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[?:1.8.0_202] at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) ~[?:1.8.0_202] at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382) ~[?:1.8.0_202] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[?:1.8.0_202] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[?:1.8.0_202] at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) ~[?:1.8.0_202] at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) ~[?:1.8.0_202] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:1.8.0_202] at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) ~[?:1.8.0_202] at org.apache.seatunnel.engine.server.task.SeaTunnelTask.restoreState(SeaTunnelTask.java:321) ~[classes/:?] at org.apache.seatunnel.engine.server.checkpoint.operation.NotifyTaskRestoreOperation.lambda$run$0(NotifyTaskRestoreOperation.java:87) ~[classes/:?] at org.apache.seatunnel.common.utils.RetryUtils.retryWithException(RetryUtils.java:47) ~[classes/:?] at org.apache.seatunnel.engine.server.checkpoint.operation.NotifyTaskRestoreOperation.run(NotifyTaskRestoreOperation.java:81) ~[classes/:?] at com.hazelcast.spi.impl.operationservice.Operation.call(Operation.java:189) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.call(OperationRunnerImpl.java:273) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.run(OperationRunnerImpl.java:248) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.OperationRunnerImpl.run(OperationRunnerImpl.java:213) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationexecutor.impl.OperationExecutorImpl.run(OperationExecutorImpl.java:411) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationexecutor.impl.OperationExecutorImpl.runOrExecute(OperationExecutorImpl.java:438) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.Invocation.doInvokeLocal(Invocation.java:601) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.Invocation.doInvoke(Invocation.java:580) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.Invocation.invoke0(Invocation.java:541) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.Invocation.invoke(Invocation.java:241) ~[hazelcast-5.1.jar:5.1] at com.hazelcast.spi.impl.operationservice.impl.InvocationBuilderImpl.invoke(InvocationBuilderImpl.java:61) ~[hazelcast-5.1.jar:5.1] at org.apache.seatunnel.engine.server.utils.NodeEngineUtil.sendOperationToMemberNode(NodeEngineUtil.java:40) ~[classes/:?] at org.apache.seatunnel.engine.server.checkpoint.CheckpointManager.sendOperationToMemberNode(CheckpointManager.java:230) ~[classes/:?] ... 10 more ``` ``` ### Flink or Spark Version _No response_ ### Java or Scala Version 1.8.0 ### Screenshots _No response_ ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. 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