{"record":{"id":"22a8dac9952ad7ac","repo":"GoogleContainerTools/skaffold","slug":"strings-join-messages-n","errorCode":null,"errorMessage":"strings.Join(messages, \"\\n\")","messagePattern":"strings\\.Join\\(messages, \"\\\\n\"\\)","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/skaffold/schema/validation/validation.go","lineNumber":112,"sourceCode":"\t}\n\tif len(errs) == 0 {\n\t\treturn nil\n\t}\n\treturn errs\n}\n\n// Process checks if the Skaffold pipeline is valid and returns all encountered errors as a concatenated string\nfunc Process(configs parser.SkaffoldConfigSet, validateConfig Options) error {\n\terrs := ProcessToErrorWithLocation(configs, validateConfig)\n\tfor _, config := range configs {\n\t\terrs = append(errs, wrapWithContext(config, errs...)...)\n\t}\n\tvar messages []string\n\tfor _, err := range errs {\n\t\tmessages = append(messages, err.Error.Error())\n\t}\n\tif len(messages) != 0 {\n\t\treturn errors.New(strings.Join(messages, \"\\n\"))\n\t}\n\treturn nil\n}\n\n// ProcessWithRunContext checks if the Skaffold pipeline is valid when a RunContext is required.\n// It returns all encountered errors as a concatenated string.\nfunc ProcessWithRunContext(ctx context.Context, runCtx *runcontext.RunContext) error {\n\tvar errs []error\n\terrs = append(errs, validateDockerNetworkContainerExists(ctx, runCtx.Artifacts(), runCtx)...)\n\terrs = append(errs, validateVerifyTestsExistOnVerifyCommand(runCtx)...)\n\terrs = append(errs, validateVerifyTests(runCtx)...)\n\terrs = append(errs, validateLocationSetForCloudRun(runCtx)...)\n\terrs = append(errs, validateCustomActionsLists(runCtx)...)\n\terrs = append(errs, validateCustomActionsNames(runCtx)...)\n\terrs = append(errs, validateCustomActionsExecModes(runCtx)...)\n\n\tif len(errs) == 0 {\n\t\treturn nil","sourceCodeStart":94,"sourceCodeEnd":130,"githubUrl":"https://github.com/GoogleContainerTools/skaffold/blob/a1189de023efc32d4b8e11f395acc678aa555011/pkg/skaffold/schema/validation/validation.go#L94-L130","documentation":"Process collects all validation errors for a skaffold config; if any were recorded it joins their messages with newline and returns a single aggregated error. This is the aggregate message developers see when their skaffold.yaml fails validation.","triggerScenarios":"Calling validation.Process (directly or via fix/runContext/checkSkaffoldConfig) on a skaffold config that has one or more validation errors.","commonSituations":"Invalid skaffold.yaml values (bad taggers, missing fields, incompatible options) surfaced when running skaffold commands.","solutions":["Read each newline-separated line of the error; each is an individual validation failure.","Fix the listed config problems in skaffold.yaml and rerun.","Run with more verbose output / use skaffold commands that point to config locations to find the offending lines."],"exampleFix":"// before\n// multi-line error: several validation problems at once\n// after\n// fix each reported line, e.g. remove the invalid tagger, then rerun until Process returns nil","handlingStrategy":"try-catch","validationCode":"// pre-validate locally\nif err := yaml.Unmarshal(cfgBytes, &latest.SkaffoldConfig{}); err != nil { /* fix parse errors first */ }","typeGuard":"null","tryCatchPattern":"if err := validation.Process(cfg); err != nil {\n    for _, msg := range strings.Split(err.Error(), \"\\n\") {\n        log.Printf(\"config issue: %s\", msg)\n    }\n}","preventionTips":["Run `skaffold fix`/validation in CI on skaffold.yaml changes","Address each newline-separated message individually","Keep schema version and fields in sync with skaffold docs"],"tags":["validation","config","aggregated-error"],"backgroundTag":"schema-validation-failed","analyzedSha":"a1189de023efc32d4b8e11f395acc678aa555011","analyzedAt":"2026-09-05T12:09:27.064Z","contentChangedAt":"2026-09-05T12:09:27.064Z","schemaVersion":2},"datasetVersion":"2026-09-12T17:17:11.597Z"}