{"record":{"id":"18a00cc1b4eae703","repo":"hyperledger/fabric","slug":"provided-path-s-is-empty-aborting-identifytxs","errorCode":null,"errorMessage":"provided path %s is empty. Aborting identifytxs","messagePattern":"provided path (.+?) is empty\\. Aborting identifytxs","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/ledgerutil/identifytxs/identifytxs.go","lineNumber":262,"sourceCode":"\t}\n\n\treturn &compKeyMapWrapper{\n\t\tcompKeyMap:  inputKeyMap,\n\t\tmaxBlockNum: maxBlock,\n\t\tmaxTxNum:    maxTx,\n\t}, nil\n}\n\n// Get a default block store provider to access the peer's block store\nfunc getBlockStoreProvider(fsPath string) (*blkstorage.BlockStoreProvider, error) {\n\t// Format path to block store\n\tblockStorePath := kvledger.BlockStorePath(filepath.Join(fsPath, ledgersDataDirName))\n\tisEmpty, err := fileutil.DirEmpty(blockStorePath)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\tif isEmpty {\n\t\treturn nil, errors.Errorf(\"provided path %s is empty. Aborting identifytxs\", fsPath)\n\t}\n\t// Default fields for block store provider\n\tconf := blkstorage.NewConf(blockStorePath, 0)\n\tindexConfig := &blkstorage.IndexConfig{\n\t\tAttrsToIndex: []blkstorage.IndexableAttr{\n\t\t\tblkstorage.IndexableAttrBlockNum,\n\t\t\tblkstorage.IndexableAttrBlockHash,\n\t\t\tblkstorage.IndexableAttrTxID,\n\t\t\tblkstorage.IndexableAttrBlockNumTranNum,\n\t\t},\n\t}\n\tmetricsProvider := &disabled.Provider{}\n\t// Create new block store provider\n\tblockStoreProvider, err := blkstorage.NewProvider(conf, indexConfig, metricsProvider)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n","sourceCodeStart":244,"sourceCodeEnd":280,"githubUrl":"https://github.com/hyperledger/fabric/blob/2736b63f8fd5932511d56fe68b7039d15977f7f6/internal/ledgerutil/identifytxs/identifytxs.go#L244-L280","documentation":"IdentifyTxs refuses to run when the ledger's block store directory (ledgersData under the given filesystem path) is empty. The tool needs existing block files to scan transactions from a snapshot/ledger; an empty store means there is nothing to identify, so it aborts before creating the block store provider.","triggerScenarios":"Calling IdentifyTxs with an fsPath whose <fsPath>/ledgersData block store directory exists but contains no files, e.g. pointing at a freshly created, empty, or incompletely copied ledger data directory.","commonSituations":"Pointing the tool at the wrong root (a parent directory instead of the ledger data dir), a snapshot copy that was interrupted or is still in progress, or a wiped/re-initialized node directory.","solutions":["Verify fsPath points at the directory containing ledgersData with actual block files (blockfile_000000, etc.)","Copy/restore the complete ledger or snapshot data before rerunning the command","If the ledger is genuinely empty there are no transactions to identify; skip the tool","Check disk/permissions to confirm the data was actually restored where you expect it"],"exampleFix":"// before\nIdentifyTxs(ctx, \"/var/hyperledger/production/empty-copy\", ...)\n// after\nIdentifyTxs(ctx, \"/var/hyperledger/production\", ...) // path containing ledgersData/ with block files","handlingStrategy":"validation","validationCode":"import os, filepath\n\nfunc blockStoreHasData(fsPath string) (bool, error) {\n\tbsPath := filepath.Join(fsPath, \"ledgersData\")\n\tentries, err := os.ReadDir(bsPath)\n\tif os.IsNotExist(err) {\n\t\treturn false, nil\n\t}\n\tif err != nil {\n\t\treturn false, err\n\t}\n\treturn len(entries) > 0, nil\n}","typeGuard":"func hasLedgerData(fsPath string) bool {\n\tinfo, err := os.Stat(filepath.Join(fsPath, \"ledgersData\"))\n\treturn err == nil && info.IsDir()\n}","tryCatchPattern":"if empty, err := blockStoreHasData(fsPath); err != nil || !empty {\n\treturn fmt.Errorf(\"no ledger data at %s: cannot run identifytxs\", fsPath)\n}\nrecords, err := identifytxs.IdentifyTxs(ctx, fsPath, ...)","preventionTips":["Check that ledgersData/ contains blockfile_* files before invoking the tool","Confirm the snapshot copy fully completed (compare file counts/sizes) before analysis","Point fsPath at the production/data root, not an intermediate directory"],"tags":["hyperledger-fabric","ledger","blockstore","filesystem"],"backgroundTag":"empty-ledger-blockstore","analyzedSha":"2736b63f8fd5932511d56fe68b7039d15977f7f6","analyzedAt":"2026-09-04T08:52:36.465Z","contentChangedAt":"2026-09-04T08:52:36.465Z","schemaVersion":2},"datasetVersion":"2026-09-08T05:18:18.240Z"}