{"record":{"id":"56f385884444c55f","repo":"hashicorp/packer","slug":"error-seeking-beginning-of-temporary-file-for-chec","errorCode":null,"errorMessage":"Error seeking beginning of temporary file for checksumming, continuing: %w","messagePattern":"Error seeking beginning of temporary file for checksumming, continuing: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"packer/plugin-getter/plugins.go","lineNumber":837,"sourceCode":"\t\t\t\t\t\terrs = multierror.Append(errs, err)\n\t\t\t\t\t\treturn nil, errs\n\t\t\t\t\t}\n\t\t\t\t\tdefer func() {\n\t\t\t\t\t\ttmpFilePath := tmpFile.Name()\n\t\t\t\t\t\ttmpFile.Close()\n\t\t\t\t\t\tos.Remove(tmpFilePath)\n\t\t\t\t\t}()\n\n\t\t\t\t\t// write binary to tmp file\n\t\t\t\t\t_, err = io.Copy(tmpFile, remoteZipFile)\n\t\t\t\t\t_ = remoteZipFile.Close()\n\t\t\t\t\tif err != nil {\n\t\t\t\t\t\terr := fmt.Errorf(\"Error getting plugin, trying another getter: %w\", err)\n\t\t\t\t\t\terrs = multierror.Append(errs, err)\n\t\t\t\t\t\tcontinue\n\t\t\t\t\t}\n\t\t\t\t\tif _, err := tmpFile.Seek(0, 0); err != nil {\n\t\t\t\t\t\terr := fmt.Errorf(\"Error seeking beginning of temporary file for checksumming, continuing: %w\", err)\n\t\t\t\t\t\terrs = multierror.Append(errs, err)\n\t\t\t\t\t\tcontinue\n\t\t\t\t\t}\n\n\t\t\t\t\t// verify that the checksum for the zip is what we expect.\n\t\t\t\t\tif err := checksum.Checksummer.Checksum(checksum.Expected, tmpFile); err != nil {\n\t\t\t\t\t\terr := fmt.Errorf(\"%w. Is the checksum file correct ? Is the binary file correct ?\", err)\n\t\t\t\t\t\terrs = multierror.Append(errs, err)\n\t\t\t\t\t\tcontinue\n\t\t\t\t\t}\n\t\t\t\t\tzr, err := zip.OpenReader(tmpFile.Name())\n\t\t\t\t\tif err != nil {\n\t\t\t\t\t\terrs = multierror.Append(errs, fmt.Errorf(\"zip : %v\", err))\n\t\t\t\t\t\treturn nil, errs\n\t\t\t\t\t}\n\n\t\t\t\t\tvar copyFrom io.ReadCloser\n\t\t\t\t\tfor _, f := range zr.File {","sourceCodeStart":819,"sourceCodeEnd":855,"githubUrl":"https://github.com/hashicorp/packer/blob/eb36e3c3e48a036f3e8cc94087636ee72e1303c9/packer/plugin-getter/plugins.go#L819-L855","documentation":"Plugin installation warning from InstallLatest: the temp file could not be rewound to its start before checksumming. The attempt is abandoned (continuing), and another checksummer/getter is tried; the error only surfaces in the aggregate if all attempts fail.","triggerScenarios":"Thrown at packer/plugin-getter/plugins.go:837 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Retry the plugin install — seek errors on temp files are typically transient","Check temp filesystem health if this repeats"],"exampleFix":null,"handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"eb36e3c3e48a036f3e8cc94087636ee72e1303c9","analyzedAt":"2026-09-05T13:20:43.127Z","contentChangedAt":"2026-09-05T13:20:43.127Z","schemaVersion":2},"datasetVersion":"2026-09-12T17:17:11.597Z"}