{"record":{"id":"b587a5a28b72e72a","repo":"influxdata/influxdb","slug":"failed-to-initialize-write-buffer-0","errorCode":null,"errorMessage":"failed to initialize write buffer: {0:?}","messagePattern":"failed to initialize write buffer: (.+?)","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"critical","filePath":"influxdb3/src/commands/serve.rs","lineNumber":141,"sourceCode":"    #[error(\"Error initializing tokio runtime: {0}\")]\n    TokioRuntime(#[source] std::io::Error),\n\n    #[error(\"Failed to bind address\")]\n    BindAddress(#[source] std::io::Error),\n\n    #[error(\"Server error: {0}\")]\n    Server(#[source] influxdb3_server::Error),\n\n    #[error(\"Token error: {0}\")]\n    TokenError(CatalogError),\n\n    #[error(\"Write buffer error: {0}\")]\n    WriteBuffer(#[from] influxdb3_write::write_buffer::Error),\n\n    #[error(\"invalid token: {0}\")]\n    InvalidToken(#[from] hex::FromHexError),\n\n    #[error(\"failed to initialize write buffer: {0:?}\")]\n    WriteBufferInit(#[source] anyhow::Error),\n\n    #[error(\"failed to initialize catalog: {0}\")]\n    InitializeCatalog(#[source] CatalogError),\n\n    #[error(\"failed to initialize last cache: {0}\")]\n    InitializeLastCache(#[source] last_cache::Error),\n\n    #[error(\"failed to initialize distinct cache: {0:#}\")]\n    InitializeDistinctCache(#[source] influxdb3_cache::distinct_cache::ProviderError),\n\n    #[error(\"lost backend\")]\n    LostBackend,\n\n    #[error(\"lost HTTP/gRPC service\")]\n    LostHttpGrpc,\n\n    #[error(\"lost admin token recovery service\")]","sourceCodeStart":123,"sourceCodeEnd":159,"githubUrl":"https://github.com/influxdata/influxdb/blob/06200ef96ba82c5f6727e5038a83af8e722c6875/influxdb3/src/commands/serve.rs#L123-L159","documentation":"Display message of the `Error::WriteBufferInit` variant, wrapping an `anyhow::Error` (#[source]) raised while constructing the write buffer during server startup. The {0:?} format prints the anyhow error with its full context chain in Debug form.","triggerScenarios":"`build_write_buffer` (or equivalent) fails during `influxdb3 serve` startup — e.g. the WAL or object-store backend cannot be opened or initialized.","commonSituations":"Misconfigured object-store credentials/bucket, WAL directory missing or unwritable, unsupported or unreachable storage backend at boot time.","solutions":["Check the printed anyhow context chain ({0:?}) for the root initialization failure","Validate --wal-dir exists and is writable, or that object-store credentials/endpoint are correct","Test storage backend connectivity with the same settings outside influxdb3","Fix configuration flags (e.g. --object-store, bucket names, credentials) and retry"],"exampleFix":"// before\ninfluxdb3 serve --object-store=s3 --bucket=wrong-bucket\n// after\ninfluxdb3 serve --object-store=s3 --bucket=my-correct-bucket --aws-access-key-id=... --aws-secret-access-key=...","handlingStrategy":"validation","validationCode":"// before serve: check WAL dir writable and object store reachable\nassert!(Path::new(&wal_dir).is_dir());\n// verify storage credentials with a HEAD/list call against the bucket","typeGuard":null,"tryCatchPattern":"match serve_result {\n    Err(Error::WriteBufferInit(src)) => {\n        eprintln!(\"write buffer init failed: {src:?}\"); // full anyhow chain\n    }\n    ...\n}","preventionTips":["Validate --wal-dir and object-store flags before launching","Pre-flight storage connectivity with the same credentials/endpoint","Test config in staging with the same storage backend"],"tags":["rust","startup","write-buffer","storage","configuration"],"backgroundTag":"module-init-failed","analyzedSha":"06200ef96ba82c5f6727e5038a83af8e722c6875","analyzedAt":"2026-09-19T12:55:30.003Z","contentChangedAt":"2026-09-19T12:55:30.003Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}