{"record":{"id":"0cb1a0549716d189","repo":"hyperledger/fabric","slug":"cannot-sync-index-with-block-files-blockstore-is","errorCode":null,"errorMessage":"cannot sync index with block files. blockstore is bootstrapped from a snapshot and first available block=[%d]","messagePattern":"cannot sync index with block files\\. blockstore is bootstrapped from a snapshot and first available block=\\[(.+?)\\]","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"common/ledger/blkstorage/blockfile_mgr.go","lineNumber":387,"sourceCode":"\tmgr.updateBlockchainInfo(blockHash, block)\n\treturn nil\n}\n\nfunc (mgr *blockfileMgr) syncIndex() error {\n\tnextIndexableBlock := uint64(0)\n\tlastBlockIndexed, err := mgr.index.getLastBlockIndexed()\n\tif err != nil {\n\t\tif !errors.Is(err, errIndexSavePointKeyNotPresent) {\n\t\t\treturn err\n\t\t}\n\t} else {\n\t\tnextIndexableBlock = lastBlockIndexed + 1\n\t}\n\n\tif nextIndexableBlock == 0 && mgr.bootstrappedFromSnapshot() {\n\t\t// This condition can happen only if there was a peer crash or failure during\n\t\t// bootstrapping the ledger from a snapshot or the index is dropped/corrupted afterward\n\t\treturn errors.Errorf(\n\t\t\t\"cannot sync index with block files. blockstore is bootstrapped from a snapshot and first available block=[%d]\",\n\t\t\tmgr.firstPossibleBlockNumberInBlockFiles(),\n\t\t)\n\t}\n\n\tif mgr.blockfilesInfo.noBlockFiles {\n\t\tlogger.Debug(\"No block files present. This happens when there has not been any blocks added to the ledger yet\")\n\t\treturn nil\n\t}\n\n\tif nextIndexableBlock == mgr.blockfilesInfo.lastPersistedBlock+1 {\n\t\tlogger.Debug(\"Both the block files and indices are in sync.\")\n\t\treturn nil\n\t}\n\n\tstartFileNum := 0\n\tstartOffset := 0\n\tskipFirstBlock := false","sourceCodeStart":369,"sourceCodeEnd":405,"githubUrl":"https://github.com/hyperledger/fabric/blob/2736b63f8fd5932511d56fe68b7039d15977f7f6/common/ledger/blkstorage/blockfile_mgr.go#L369-L405","documentation":"blockfileMgr.syncIndex guard: the index savepoint is absent while the store was bootstrapped from a snapshot, meaning the index was dropped/corrupted or the peer crashed during snapshot bootstrapping, so indexes cannot be rebuilt below the snapshot's first block.","triggerScenarios":"Thrown at common/ledger/blkstorage/blockfile_mgr.go:387 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Drop the ledger and re-bootstrap the peer from a fresh snapshot","Restore the index from backup if available","Report as unrecoverable local state corruption; do not retry blindly"],"exampleFix":null,"handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"2736b63f8fd5932511d56fe68b7039d15977f7f6","analyzedAt":"2026-09-04T08:52:36.465Z","contentChangedAt":"2026-09-04T08:52:36.465Z","schemaVersion":2},"datasetVersion":"2026-09-08T15:18:49.778Z"}