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[Improvement][Master] Add dispatch timeout checking logic to handle cases where the worker group does not exist or no workers are available. #17795

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#17796
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[Improvement][Master] Add dispatch timeout checking logic to handle cases where the worker group does not exist or no workers are available.#17795
#17796
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njnu-seafish
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backendfeaturenew featureimprovementmake more easy to user or prompt friendly
@njnu-seafish

Description

@njnu-seafish
njnu-seafish
opened on Dec 15, 2025

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Description

When the worker group does not exist or no workers are available, The task will remain stuck in an infinite loop, continuously being dispatched by the master.

[WI-6][TI-11] - 2025-12-01 15:34:41.497 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 38000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:35:19.497 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 39000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:35:58.498 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 40000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:36:38.500 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 41000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:37:19.499 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 42000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:38:01.499 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 43000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:38:44.499 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 44000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:39:28.500 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 45000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-0][TI-0] - 2025-12-01 15:40:00.400 INFO [scheduling-1] o.a.d.s.m.c.ExternalSystemTokenManager:[89] - Checking for updates...
[WI-6][TI-11] - 2025-12-01 15:40:13.500 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 46000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:40:59.501 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 47000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:41:46.501 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 48000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:42:34.501 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 49000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:43:23.502 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 50000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:44:13.502 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 51000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:45:04.503 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 52000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:45:56.503 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 53000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:46:49.503 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 54000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:47:43.504 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 55000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:48:38.504 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 56000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:49:34.504 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 57000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:50:31.505 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 58000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:51:29.505 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 59000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)
[WI-6][TI-11] - 2025-12-01 15:52:28.506 ERROR [WorkerGroupTaskDispatcher-g_121] o.a.d.s.m.e.t.d.WorkerGroupDispatcher:[102] - Dispatch Task: 11 failed will retry after: 60000/ms
org.apache.dolphinscheduler.server.master.exception.dispatch.TaskDispatchException: Cannot find the host to dispatch Task[id=11, name=aaa, workerGroup=g_121]
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.lambda$dispatch$0(PhysicalTaskExecutorClientDelegator.java:67)
at java.util.Optional.orElseThrow(Optional.java:290)
at org.apache.dolphinscheduler.server.master.engine.task.client.PhysicalTaskExecutorClientDelegator.dispatch(PhysicalTaskExecutorClientDelegator.java:66)
at org.apache.dolphinscheduler.server.master.engine.task.client.TaskExecutorClient.dispatch(TaskExecutorClient.java:54)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.doDispatchTask(WorkerGroupDispatcher.java:94)
at org.apache.dolphinscheduler.server.master.engine.task.dispatcher.WorkerGroupDispatcher.run(WorkerGroupDispatcher.java:79)

Are you willing to submit a PR?

  • Yes I am willing to submit a PR!

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backendfeaturenew featureimprovementmake more easy to user or prompt friendly

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