{"record":{"id":"ea6e55641d144000","repo":"googleapis/mcp-toolbox","slug":"tool-type-q-already-registered-ea6e55","errorCode":null,"errorMessage":"tool type %q already registered","messagePattern":"tool type %q already registered","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/tools/cloudsqlpg/vectorassistimprovequeryrecall/vectorassistimprovequeryrecall.go","lineNumber":61,"sourceCode":"\t\tAND indexdef ILIKE '%' || @vector_column_name::TEXT || '%';\n`\n\n// Query to find the optimal index parameters\nconst improveRecallQuery = `\n  SELECT output_ef_search AS ef_search\n  FROM vector_assist.find_ef_search_for_target_recall(\n    table_name => @table_name::TEXT,\n    schema_name => @schema_name::TEXT,\n    column_name => @vector_column_name::TEXT,\n    top_k => @top_k::INT,\n    target_recall => @target_recall::FLOAT,\n    distance_func => @distance_func::TEXT\n  );\n`\n\nfunc init() {\n\tif !tools.Register(resourceType, newConfig) {\n\t\tpanic(fmt.Sprintf(\"tool type %q already registered\", resourceType))\n\t}\n}\n\nfunc newConfig(ctx context.Context, name string, decoder *yaml.Decoder) (tools.ToolConfig, error) {\n\tactual := Config{ConfigBase: tools.ConfigBase{Name: name}}\n\tif err := decoder.DecodeContext(ctx, &actual); err != nil {\n\t\treturn nil, err\n\t}\n\treturn actual, nil\n}\n\ntype compatibleSource interface {\n\tPostgresPool() *pgxpool.Pool\n\tRunSQL(context.Context, string, []any) (any, error)\n}\n\ntype Config struct {\n\ttools.ConfigBase `yaml:\",inline\"`","sourceCodeStart":43,"sourceCodeEnd":79,"githubUrl":"https://github.com/googleapis/mcp-toolbox/blob/8cc6e09de2ad7b8bffc77751799585a1401a48eb/internal/tools/cloudsqlpg/vectorassistimprovequeryrecall/vectorassistimprovequeryrecall.go#L43-L79","documentation":"The package's init() registers the 'vector-assist-improve-query-recall' tool type in the global registry and panics if tools.Register returns false, meaning the type string was already claimed. This is a duplicate-registration guard for programming errors (e.g. a vendored or duplicated package copy linked into the binary), not a user config issue.","triggerScenarios":"Thrown at internal/tools/cloudsqlpg/vectorassistimprovequeryrecall/vectorassistimprovequeryrecall.go:61 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Ensure the package is not imported twice under different paths (e.g. vendored and module copies)","Rename the conflicting resourceType constant if two distinct tools share it","Clean go.mod/go.sum and rebuild to eliminate stale duplicate dependencies"],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"8cc6e09de2ad7b8bffc77751799585a1401a48eb","analyzedAt":"2026-09-05T01:10:36.887Z","contentChangedAt":"2026-09-05T01:10:36.887Z","schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}