{"record":{"id":"a5312921323d5827","repo":"astral-sh/ruff","slug":"32603-a53129","errorCode":"-32603","errorMessage":"Request handler failed","messagePattern":"Request handler failed","errorType":"panic","errorClass":"ruff_server::server::api::Error","httpStatus":null,"severity":"error","filePath":"crates/ruff_server/src/server/api.rs","lineNumber":222,"sourceCode":"        Box<dyn std::any::Any + Send + 'static>,\n    >,\n) -> Result<<<R as RequestHandler>::RequestType as Request>::Result>\nwhere\n    R: RequestHandler,\n{\n    match result {\n        Ok(response) => response,\n\n        Err(error) => {\n            let message = if let Some(panic_message) = panic_message(&error) {\n                format!(\"Request handler failed with: {panic_message}\")\n            } else {\n                \"Request handler failed\".into()\n            };\n\n            Err(Error {\n                code: lsp_server::ErrorCode::InternalError,\n                error: anyhow!(message),\n            })\n        }\n    }\n}\n\nfn sync_notification_task<N: SyncNotificationHandler>(notif: server::Notification) -> Result<Task> {\n    let (id, params) = cast_notification::<N>(notif)?;\n    Ok(Task::sync(move |session, client| {\n        let _span = tracing::debug_span!(\"notification\", method = %N::METHOD).entered();\n        if let Err(err) = N::run(session, client, params) {\n            tracing::error!(\"An error occurred while running {id}: {err}\");\n            client\n                .show_error_message(\"Ruff encountered a problem. Check the logs for more details.\");\n        }\n    }))\n}\n\n#[expect(dead_code)]","sourceCodeStart":204,"sourceCodeEnd":240,"githubUrl":"https://github.com/astral-sh/ruff/blob/672bb4edf04c84f8b0753346359daee4057158f2/crates/ruff_server/src/server/api.rs#L204-L240","documentation":"Error \"Request handler failed\" thrown in astral-sh/ruff.","triggerScenarios":"Thrown at crates/ruff_server/src/server/api.rs:222 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":"672bb4edf04c84f8b0753346359daee4057158f2","analyzedAt":"2026-08-16T08:54:05.464Z","schemaVersion":2},"datasetVersion":"2026-08-16T13:17:31.715Z"}