{"record":{"id":"ea435fd72feb3c00","repo":"googleapis/mcp-toolbox","slug":"unable-to-create-pool-w-ea435f","errorCode":null,"errorMessage":"unable to create pool: %w","messagePattern":"unable to create pool: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/sources/cloudsqlpg/cloud_sql_pg.go","lineNumber":72,"sourceCode":"\tProject      string         `yaml:\"project\" validate:\"required\"`\n\tRegion       string         `yaml:\"region\" validate:\"required\"`\n\tInstance     string         `yaml:\"instance\" validate:\"required\"`\n\tIPType       sources.IPType `yaml:\"ipType\" validate:\"required\"`\n\tDatabase     string         `yaml:\"database\" validate:\"required\"`\n\tUser         string         `yaml:\"user\"`\n\tPassword     string         `yaml:\"password\"`\n\tReadOnly     bool           `yaml:\"readOnly\"`\n\tSQLCommenter *bool          `yaml:\"sqlCommenter\"`\n}\n\nfunc (r Config) SourceConfigType() string {\n\treturn SourceType\n}\n\nfunc (r Config) Initialize(ctx context.Context, tracer trace.Tracer) (sources.Source, error) {\n\tpool, err := initCloudSQLPgConnectionPool(ctx, tracer, r.Name, r.Project, r.Region, r.Instance, r.IPType.String(), r.User, r.Password, r.Database, r.ReadOnly)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"unable to create pool: %w\", err)\n\t}\n\n\terr = pool.Ping(ctx)\n\tif err != nil {\n\t\tpool.Close()\n\t\treturn nil, fmt.Errorf(\"unable to connect successfully: %w\", err)\n\t}\n\n\tvar res int\n\terr = pool.QueryRow(ctx, \"SELECT 1\").Scan(&res)\n\tif err != nil {\n\t\tpool.Close()\n\t\treturn nil, fmt.Errorf(\"failed to execute 'SELECT 1' after connection: %w\", err)\n\t}\n\n\ts := &Source{\n\t\tConfig: r,\n\t\tPool:   pool,","sourceCodeStart":54,"sourceCodeEnd":90,"githubUrl":"https://github.com/googleapis/mcp-toolbox/blob/8cc6e09de2ad7b8bffc77751799585a1401a48eb/internal/sources/cloudsqlpg/cloud_sql_pg.go#L54-L90","documentation":"Error \"unable to create pool: %w\" thrown in googleapis/mcp-toolbox.","triggerScenarios":"Thrown at internal/sources/cloudsqlpg/cloud_sql_pg.go:72 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"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"}