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kangTwang commented on FLINK-26668: ----------------------------------- Hi [~wanglijie95] ,: _*client log:*_ org.apache.flink.client.program.ProgramInvocationException: The main method caused an error: Forward partitioning does not allow change of parallelism. Upstream operation: Calc[50]-38 parallelism: -1, downstream operation: MultipleInput[75]-90 parallelism: 64 You must use another partitioning strategy, such as broadcast, rebalance, shuffle or global. at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:372) at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:222) at org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:114) at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:836) at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:247) at org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1078) at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1156) at org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28) at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1156) Caused by: java.lang.UnsupportedOperationException: Forward partitioning does not allow change of parallelism. Upstream operation: Calc[50]-38 parallelism: -1, downstream operation: MultipleInput[75]-90 parallelism: 64 You must use another partitioning strategy, such as broadcast, rebalance, shuffle or global. _*configurations:*_ jobmanager.scheduler: AdaptiveBatch jobmanager.adaptive-batch-scheduler.max-parallelism: 128 jobmanager.adaptive-batch-scheduler.min-parallelism: 8 jobmanager.adaptive-batch-scheduler.data-volume-per-task: 6m jobmanager.adaptive-batch-scheduler.default-source-parallelism: 64 taskmanager.numberOfTaskSlots: 128 parallelism.default: -1 > Unsupportedoperation exception caused by createActualEdge error in adaptive > batch scheduler > ------------------------------------------------------------------------------------------- > > Key: FLINK-26668 > URL: https://issues.apache.org/jira/browse/FLINK-26668 > Project: Flink > Issue Type: Bug > Components: API / DataStream > Affects Versions: 1.15.0 > Environment: > > Reporter: kangTwang > Priority: Major > Attachments: aaa.jpg, bbb.jpg > > > In the AdaptiveBatch TPC DS test, the following error messages appear when > executing query_23a,If the upstreamnode is Calc [50], the downstreamnode is > multipleinput [75], and they are forwardpartitioners, the parallelism is > inconsistent, and an unsupported operationexception is thrown: > !aaa.jpg! > Because the error is thrown in the streamgraph stage, the specific DAG > diagram cannot be seen. Therefore, non adaptive batch is adopted. The DAG > diagram executed is as follows: > !bbb.jpg! > Check Calc [50] and find that the downstream operator is HashAggregate[51], > not MultipleInput[75] -- This message was sent by Atlassian Jira (v8.20.1#820001)