{"record":{"id":"8f9daa642a500220","repo":"hashicorp/nomad","slug":"failed-to-get-destination-first-index-w","errorCode":null,"errorMessage":"failed to get destination first index: %w","messagePattern":"failed to get destination first index: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"helper/raftutil/migrate.go","lineNumber":264,"sourceCode":"\traft.StableStore\n}, dst interface {\n\traft.LogStore\n\traft.StableStore\n}) error {\n\t// Verify log index ranges match.\n\tsrcFirst, err := src.FirstIndex()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"failed to get source first index: %w\", err)\n\t}\n\n\tsrcLast, err := src.LastIndex()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"failed to get source last index: %w\", err)\n\t}\n\n\tdstFirst, err := dst.FirstIndex()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"failed to get destination first index: %w\", err)\n\t}\n\n\tdstLast, err := dst.LastIndex()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"failed to get destination last index: %w\", err)\n\t}\n\n\tif srcFirst != dstFirst {\n\t\treturn fmt.Errorf(\"first index mismatch: source=%d, destination=%d\", srcFirst, dstFirst)\n\t}\n\n\tif srcLast != dstLast {\n\t\treturn fmt.Errorf(\"last index mismatch: source=%d, destination=%d\", srcLast, dstLast)\n\t}\n\n\t// Verify stable store uint64 keys.\n\tuint64Keys := []string{\"CurrentTerm\", \"LastVoteTerm\"}\n\tfor _, key := range uint64Keys {","sourceCodeStart":246,"sourceCodeEnd":282,"githubUrl":"https://github.com/hashicorp/nomad/blob/482b49bf1aec006f089bcfc7e632d8f6ac303e5e/helper/raftutil/migrate.go#L246-L282","documentation":"Fires in verifyMigration when querying FirstIndex on the destination WAL store fails right after the copy; the freshly written WAL may be corrupt or unreadable, so verification aborts.","triggerScenarios":"Thrown at helper/raftutil/migrate.go:264 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Check permissions on the new WAL directory and files","Inspect server logs for WAL read errors indicating a truncated write","Delete the partial WAL directory and retry the migration from the intact BoltDB source"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"482b49bf1aec006f089bcfc7e632d8f6ac303e5e","analyzedAt":"2026-09-04T07:54:14.808Z","contentChangedAt":"2026-09-04T07:54:14.808Z","schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}