{"record":{"id":"a669e7438964ed61","repo":"risingwavelabs/risingwave","slug":"panicked-when-handling-the-request-0-this-is-a","errorCode":null,"errorMessage":"Panicked when handling the request: {0}\nThis is a bug. We would appreciate a bug report at:\n  https://github.com/risingwavelabs/risingwave/issues/new?labels=type%2Fbug&template=bug_report.yml","messagePattern":"Panicked when handling the request: (.+?)\nThis is a bug\\. We would appreciate a bug report at:\n  https://github\\.com/risingwavelabs/risingwave/issues/new\\?labels=type%2Fbug&template=bug_report\\.yml","errorType":"error_code","errorClass":"PsqlError","httpStatus":null,"severity":"critical","filePath":"src/utils/pgwire/src/error.rs","lineNumber":76,"sourceCode":"    #[error(\"Failed to execute the statement: {0}\")]\n    ExtendedExecuteError(\n        #[source]\n        #[backtrace]\n        BoxedError,\n    ),\n\n    #[error(transparent)]\n    IoError(#[from] IoError),\n\n    /// Uncategorized error for describe, bind.\n    #[error(transparent)]\n    Uncategorized(\n        #[from]\n        #[backtrace]\n        BoxedError,\n    ),\n\n    #[error(\"Panicked when handling the request: {0}\nThis is a bug. We would appreciate a bug report at:\n  https://github.com/risingwavelabs/risingwave/issues/new?labels=type%2Fbug&template=bug_report.yml\")]\n    Panic(String),\n\n    #[error(\"Unable to setup an SSL connection\")]\n    SslError(#[from] openssl::ssl::Error),\n\n    #[error(\"terminating connection due to idle-in-transaction timeout\")]\n    IdleInTxnTimeout,\n\n    #[error(\"Server throttled: {0}\")]\n    ServerThrottle(String),\n}\n\n#[derive(Debug)]\npub struct ProtocolViolationError(String);\n\nimpl fmt::Display for ProtocolViolationError {","sourceCodeStart":58,"sourceCodeEnd":94,"githubUrl":"https://github.com/risingwavelabs/risingwave/blob/6469eb736d691e8e9b8a419a57edd6429ca77417/src/utils/pgwire/src/error.rs#L58-L94","documentation":"Pgwire converts panics that occur while serving a client request into this variant so the connection handler can report them as a Postgres-style fatal error instead of crashing the process. The message explicitly tells the user it is an internal bug and links to the RisingWave issue tracker.","triggerScenarios":"Any `panic!`/unwind inside the request-handling path caught by pgwire's catch_unwind wrapper and converted via `Panic(String)`; also any unmatched error converted through `Uncategorized(#[from] BoxedError)`.","commonSituations":"Hitting an unimplemented code path, an internal assertion, or a bug in a handler that panics on malformed or edge-case input.","solutions":["Read the panic message in the `{0}` payload and the server log for the full backtrace.","Simplify/reproduce the triggering query or request and check for known issues on GitHub.","File a bug report at https://github.com/risingwavelabs/risingwave/issues/new?labels=type%2Fbug&template=bug_report.yml with the panic message and backtrace.","Upgrade to the latest RisingWave version where the panic may already be fixed."],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":"match err {\n    PsqlError::Panic(msg) => report_bug(msg),\n    PsqlError::Uncategorized(src) => inspect(src),\n    other => handle(other),\n}","preventionTips":["Avoid triggering untested edge cases in production; fuzz-test queries first.","Keep RisingWave up to date with bug-fix releases.","Capture server-side backtraces in logs to attach to bug reports."],"tags":["panic","internal-bug","server"],"backgroundTag":"internal-invariant-violation","analyzedSha":"6469eb736d691e8e9b8a419a57edd6429ca77417","analyzedAt":"2026-09-11T21:06:21.487Z","contentChangedAt":"2026-09-11T21:06:21.487Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}