{"record":{"id":"4396161ccabfdf55","repo":"lionsoul2014/ip2region","slug":"failed-to-create-the-dth-searcher-w","errorCode":null,"errorMessage":"failed to create the %dth searcher: %w","messagePattern":"failed to create the (.+?)th searcher: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"binding/golang/service/searcher_pool.go","lineNumber":61,"sourceCode":"\t\tpool:   make(chan *xdb.Searcher, config.searchers+1),\n\n\t\tclosing:   make(chan struct{}, 1),\n\t\tloanCount: 0,\n\t}\n\n\t// error closing\n\tdefer func() {\n\t\tif eExit {\n\t\t\tspObj.Close()\n\t\t}\n\t}()\n\n\t// check and create all the searchers\n\tfor i := 0; i < config.searchers; i++ {\n\t\tsearcher, err := xdb.NewSearcher(config.ipVersion, config.xdbPath, config.vIndex, config.cBuffer)\n\t\tif err != nil {\n\t\t\teExit = true // active the auto error closing\n\t\t\treturn nil, fmt.Errorf(\"failed to create the %dth searcher: %w\", i+1, err)\n\t\t}\n\n\t\t// push the search to the pool\n\t\tspObj.pool <- searcher\n\t}\n\n\treturn spObj, nil\n}\n\n// get the loaned count\nfunc (sp *SearcherPool) LoanCount() int {\n\treturn int(atomic.LoadInt32(&sp.loanCount))\n}\n\nfunc (sp *SearcherPool) BorrowSearcher() *xdb.Searcher {\n\t// @Note: still accept searcher borrow while closing,\n\t// return nil directly once the pool was closed to avoid blocking forever.\n\tselect {","sourceCodeStart":43,"sourceCodeEnd":79,"githubUrl":"https://github.com/lionsoul2014/ip2region/blob/c1a1fc7d5941760db3f8431dc05c48cf7f0e30a1/binding/golang/service/searcher_pool.go#L43-L79","documentation":"Go pool construction error: creating the i-th underlying xdb.Searcher from the config failed mid-loop; the pool auto-closes already-created searchers and wraps the failure with the 1-based searcher index.","triggerScenarios":"Thrown at binding/golang/service/searcher_pool.go:61 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Inspect the wrapped error for the per-searcher cause (bad xdb path, permissions, corrupt file)","Fix the underlying xdb/config issue and retry pool creation","Use the content cache policy to avoid repeated file opens"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"c1a1fc7d5941760db3f8431dc05c48cf7f0e30a1","analyzedAt":"2026-09-02T16:58:39.988Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-09T21:17:11.164Z"}