{"record":{"id":"fe2b30ab060e4635","repo":"portainer/portainer","slug":"failed-to-copy-config-env-vars-w","errorCode":null,"errorMessage":"failed to copy config env vars: %w","messagePattern":"failed to copy config env vars: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"api/exec/compose_stack.go","lineNumber":211,"sourceCode":"\t}\n\n\tdefer logs.CloseAndLogErr(defaultEnvFile)\n\n\tif _, err = io.Copy(w, defaultEnvFile); err == nil {\n\t\tif _, err = fmt.Fprintf(w, \"\\n\"); err != nil {\n\t\t\treturn fmt.Errorf(\"failed to copy default env file: %w\", err)\n\t\t}\n\t}\n\n\treturn nil\n\t// If couldn't copy the .env file, then ignore the error and try to continue\n}\n\n// copyConfigEnvVars write the environment variables from stack configuration to the writer\nfunc copyConfigEnvVars(w io.Writer, envs []portainer.Pair) error {\n\tfor _, v := range envs {\n\t\tif _, err := fmt.Fprintf(w, \"%s=%s\\n\", v.Name, v.Value); err != nil {\n\t\t\treturn fmt.Errorf(\"failed to copy config env vars: %w\", err)\n\t\t}\n\t}\n\n\treturn nil\n}\n","sourceCodeStart":193,"sourceCodeEnd":217,"githubUrl":"https://github.com/portainer/portainer/blob/17e74456ff6e794b9d5439ec3fa06922aa18a3f8/api/exec/compose_stack.go#L193-L217","documentation":"Error \"failed to copy config env vars: %w\" thrown in portainer/portainer.","triggerScenarios":"Thrown at api/exec/compose_stack.go:211 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"17e74456ff6e794b9d5439ec3fa06922aa18a3f8","analyzedAt":"2026-08-26T23:09:01.915Z","schemaVersion":2},"datasetVersion":"2026-08-27T03:17:27.898Z"}