{"id":"5ba7f361b391290c","repo":"docker/cli","slug":"cannot-merge-service-s-w","errorCode":null,"errorMessage":"cannot merge service %s: %w","messagePattern":"cannot merge service (.+?): %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cli/compose/loader/merge.go","lineNumber":82,"sourceCode":"\t\t\treflect.TypeFor[[]types.ServiceSecretConfig]():                   mergeSlice(toServiceSecretConfigsMap, toServiceSecretConfigsSlice),\n\t\t\treflect.TypeFor[[]types.ServiceConfigObjConfig]():                mergeSlice(toServiceConfigObjConfigsMap, toSServiceConfigObjConfigsSlice),\n\t\t\treflect.PointerTo(reflect.TypeFor[types.UlimitsConfig]()):        mergeUlimitsConfig,\n\t\t\treflect.TypeFor[[]types.ServiceVolumeConfig]():                   mergeSlice(toServiceVolumeConfigsMap, toServiceVolumeConfigsSlice),\n\t\t\treflect.TypeFor[types.ShellCommand]():                            mergeShellCommand,\n\t\t\treflect.PointerTo(reflect.TypeFor[types.ServiceNetworkConfig]()): mergeServiceNetworkConfig,\n\t\t\treflect.PointerTo(reflect.TypeFor[uint64]()):                     mergeUint64,\n\t\t}}),\n\t}\n\n\tbaseServices := make(map[string]types.ServiceConfig, len(base))\n\tfor _, s := range base {\n\t\tbaseServices[s.Name] = s\n\t}\n\n\tfor _, overrideService := range override {\n\t\tif baseService, ok := baseServices[overrideService.Name]; ok {\n\t\t\tif err := mergo.Merge(&baseService, &overrideService, mergeOpts...); err != nil {\n\t\t\t\treturn nil, fmt.Errorf(\"cannot merge service %s: %w\", overrideService.Name, err)\n\t\t\t}\n\t\t\tbaseServices[overrideService.Name] = baseService\n\t\t\tcontinue\n\t\t}\n\t\tbaseServices[overrideService.Name] = overrideService\n\t}\n\n\tservices := make([]types.ServiceConfig, 0, len(baseServices))\n\tfor _, baseService := range baseServices {\n\t\tservices = append(services, baseService)\n\t}\n\n\tslices.SortFunc(services, func(a, b types.ServiceConfig) int {\n\t\treturn cmp.Compare(a.Name, b.Name)\n\t})\n\n\treturn services, nil\n}","sourceCodeStart":64,"sourceCodeEnd":100,"githubUrl":"https://github.com/docker/cli/blob/e9452d6e785f6e365712b9d71bd7517591773c86/cli/compose/loader/merge.go#L64-L100","documentation":"Error \"cannot merge service %s: %w\" thrown in docker/cli.","triggerScenarios":"Thrown at cli/compose/loader/merge.go:82 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"analyzedSha":"e9452d6e785f6e365712b9d71bd7517591773c86","analyzedAt":"2026-08-01T07:09:22.474Z","schemaVersion":2}