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3212974 - Graph failed with state management issue - SAP Data Intelligence

Symptom

Graph failed with following state management error like below:

2022-06-01 01:25:36.348662|+0000|INFO |version: 2209.4.3|vflow-state-coordinator|main_state_coordinator|1|runStateCoordinator|main.go(52) 2022-06-01 01:25:36.404044|+0000|WARN |Event for unknown group is received: cb=groups-started group=snapshot coordinator event={action: allocation/up, message: , uuid: d663f4d1e2d8472d96dba3dc3b012671, id: [112542b9f10b42b8ad43425f39167eff snapshot coordinator], type: allocation, source: runtime, timestamp: 2022-06-01 01:25:36.385522265 +0000 UTC, details: {GroupName: GroupDescription: Subgraph:snapshot coordinator Container: ContainerIP: Host: Status:completed Reason: Updated:0 Message: RestartCount:0 Image: Processes:[] RestartPolicy:never RestartController: ResourceMetrics:[]}} expected=[default] |vflow-state-coordinator|gel|76|func1|barrier_callback.go(80) 2022-06-01 01:25:47.033541|+0000|INFO |all groups are ready, barrier callback stop watching|vflow-state-coordinator|gel|76|func1|barrier_callback.go(98) 2022-06-01 01:25:47.114835|+0000|INFO |The graph will recover from epoch 2022-06-01T01:24:56.713Z that was saved by graph execution 'd69fdfbf63064d45ac5e940f0fd31ecb'|vflow-state-coordinator|snapshot coordinator|53|handshake|coordinator.go(441) 2022-06-01 03:46:17.543159|+0000|INFO |Stopping snapshot coordinator on event: event={action: execution/terminated, message: Group `default` execution has been terminated due to the following error: failed to handle marker on inport "file": failed to save process 'binaryfileproducer1' state for epoch '2022-06-01T03:46:17.421Z': failed to save state on storage: failed to invoke endpoint xxxx(handle=112542b9f10b42b8ad43425f39167eff): Error in request to local App endpoint: [Post "xxxx": write tcp 127.0.0.1:37006->127.0.0.1:8796: use of closed network connection] Try a local server address using the appropriate flag or use manual configuration if available, uuid: 92f81dc7b7fc42658aa359566ec4b51e, id: [112542b9f10b42b8ad43425f39167eff default], type: group, source: , timestamp: 2022-06-01 03:46:17.533835822 +0000 UTC, details: }|vflow-state-coordinator|snapshot coordinator|79|stopOnEvent|node_coordinator.go(262) 2022-06-01 03:46:19.245632|+0000|INFO |State coordinator terminated successfully|vflow-state-coordinator|main_state_coordinator|1|runStateCoordinator|main.go(123)


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Environment

SAP Data Intelligence Cloud 2022.09

Product

SAP Data Intelligence all versions

Keywords

state management, vflow-state-coordinator, DIBUGS-14411, DIBUGS14411, 14411 , KBA , CA-DI , Data Intelligence , CA-DI-CP-PE , Pipeline Engine , Known Error

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