Ravikiran Borse created FLINK-22949: ---------------------------------------
Summary: java.io.InvalidClassException With Flink Kafka Beam Key: FLINK-22949 URL: https://issues.apache.org/jira/browse/FLINK-22949 Project: Flink Issue Type: Bug Components: Connectors / Kafka Affects Versions: 1.12.0 Reporter: Ravikiran Borse Fix For: 1.12.0 Beam: 2.30.0 Flink: 1.12.0 Kafka: 2.6.0 ERROR:root:java.io.InvalidClassException: org.apache.flink.streaming.api.graph.StreamConfig$NetworkInputConfig; local class incompatible: stream classdesc serialVersionUID = 3698633776553163849, local class serialVersionUID = -3137689219135046939 In Flink Logs KafkaIO.Read.ReadFromKafkaViaSDF/{ParDo(GenerateKafkaSourceDescriptor), KafkaIO.ReadSourceDescriptors} (1/1)#0 (b0c31371874208adb0ccaff85b971883) switched from RUNNING to FAILED. org.apache.flink.streaming.runtime.tasks.StreamTaskException: Could not deserialize inputs at org.apache.flink.streaming.api.graph.StreamConfig.getInputs(StreamConfig.java:265) ~[flink-dist_2.12-1.12.0.jar:1.12.0] at org.apache.flink.streaming.api.graph.StreamConfig.getTypeSerializerIn(StreamConfig.java:280) ~[flink-dist_2.12-1.12.0.jar:1.12.0] at org.apache.flink.streaming.api.graph.StreamConfig.getTypeSerializerIn1(StreamConfig.java:271) ~[flink-dist_2.12-1.12.0.jar:1.12.0] at org.apache.flink.streaming.runtime.tasks.OperatorChain.wrapOperatorIntoOutput(OperatorChain.java:639) ~[flink-dist_2.12-1.12.0.jar:1.12.0] at org.apache.flink.streaming.runtime.tasks.OperatorChain.createOperatorChain(OperatorChain.java:591) ~[flink-dist_2.12-1.12.0.jar:1.12.0] at org.apache.flink.streaming.runtime.tasks.OperatorChain.createOutputCollector(OperatorChain.java:526) ~[flink-dist_2.12-1.12.0.jar:1.12.0] at org.apache.flink.streaming.runtime.tasks.OperatorChain.<init>(OperatorChain.java:164) ~[flink-dist_2.12-1.12.0.jar:1.12.0] at org.apache.flink.streaming.runtime.tasks.StreamTask.beforeInvoke(StreamTask.java:485) ~[flink-dist_2.12-1.12.0.jar:1.12.0] at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:531) ~[flink-dist_2.12-1.12.0.jar:1.12.0] at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:722) [flink-dist_2.12-1.12.0.jar:1.12.0] at org.apache.flink.runtime.taskmanager.Task.run(Task.java:547) [flink-dist_2.12-1.12.0.jar:1.12.0] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_282] Caused by: java.io.InvalidClassException: org.apache.flink.streaming.api.graph.StreamConfig$NetworkInputConfig; local class incompatible: stream classdesc serialVersionUID = 3698633776553163849, local class serialVersionUID = -3137689219135046939 -- This message was sent by Atlassian Jira (v8.3.4#803005)