{"id":"84e1d65415cbbfc6","repo":"docker/cli","slug":"invalid-target-port-s-value-must-be-an-integer","errorCode":null,"errorMessage":"invalid target port (%s): value must be an integer: %w","messagePattern":"invalid target port \\((.+?)\\): value must be an integer: %w","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"opts/swarmopts/port.go","lineNumber":80,"sourceCode":"\t\t\t\t\tpConfig.Protocol = proto\n\t\t\t\tdefault:\n\t\t\t\t\treturn fmt.Errorf(\"invalid protocol value '%s'\", val)\n\t\t\t\t}\n\t\t\tcase portOptMode:\n\t\t\t\tswitch swarm.PortConfigPublishMode(val) {\n\t\t\t\tcase swarm.PortConfigPublishModeIngress, swarm.PortConfigPublishModeHost:\n\t\t\t\t\tpConfig.PublishMode = swarm.PortConfigPublishMode(val)\n\t\t\t\tdefault:\n\t\t\t\t\treturn fmt.Errorf(\"invalid publish mode value (%s): must be either '%s' or '%s'\", val, swarm.PortConfigPublishModeIngress, swarm.PortConfigPublishModeHost)\n\t\t\t\t}\n\t\t\tcase portOptTargetPort:\n\t\t\t\ttPort, err := strconv.ParseUint(val, 10, 16)\n\t\t\t\tif err != nil {\n\t\t\t\t\tvar numErr *strconv.NumError\n\t\t\t\t\tif errors.As(err, &numErr) {\n\t\t\t\t\t\terr = numErr.Err\n\t\t\t\t\t}\n\t\t\t\t\treturn fmt.Errorf(\"invalid target port (%s): value must be an integer: %w\", val, err)\n\t\t\t\t}\n\n\t\t\t\tpConfig.TargetPort = uint32(tPort)\n\t\t\tcase portOptPublishedPort:\n\t\t\t\tpPort, err := strconv.ParseUint(val, 10, 16)\n\t\t\t\tif err != nil {\n\t\t\t\t\tvar numErr *strconv.NumError\n\t\t\t\t\tif errors.As(err, &numErr) {\n\t\t\t\t\t\terr = numErr.Err\n\t\t\t\t\t}\n\t\t\t\t\treturn fmt.Errorf(\"invalid published port (%s): value must be an integer: %w\", val, err)\n\t\t\t\t}\n\n\t\t\t\tpConfig.PublishedPort = uint32(pPort)\n\t\t\tdefault:\n\t\t\t\treturn fmt.Errorf(\"invalid field key: %s\", key)\n\t\t\t}\n\t\t}","sourceCodeStart":62,"sourceCodeEnd":98,"githubUrl":"https://github.com/docker/cli/blob/e9452d6e785f6e365712b9d71bd7517591773c86/opts/swarmopts/port.go#L62-L98","documentation":"Error \"invalid target port (%s): value must be an integer: %w\" thrown in docker/cli.","triggerScenarios":"Thrown at opts/swarmopts/port.go:80 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}