{"record":{"id":"b663149511abc6ed","repo":"t8y2/dbx","slug":"error-while-building-tauri-application-error","errorCode":null,"errorMessage":"error while building tauri application: {error}","messagePattern":"error while building tauri application: (.+?)","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"critical","filePath":"src-tauri/src/lib.rs","lineNumber":2517,"sourceCode":"            commands::agents::import_agent_driver_cmd,\n            commands::agents::import_agent_jar_cmd,\n            commands::system_fonts::list_system_fonts,\n            commands::ssh_config::list_ssh_config_hosts,\n            commands::ssh_prompt::ssh_prompt_ready,\n            commands::ssh_prompt::ssh_prompt_not_ready,\n            commands::ssh_prompt::resolve_ssh_prompt,\n            commands::tunnel_profiles::load_tunnel_profiles,\n            commands::tunnel_profiles::save_tunnel_profiles,\n            commands::tunnel_profiles::test_tunnel_profile,\n        ])\n        .build(tauri::generate_context!())\n        .inspect(|app| {\n            append_startup_probe(format!(\"tauri application built after {:?}\", startup_begin.elapsed()));\n            startup_recovery::start_watchdog(app.handle());\n        })\n        .unwrap_or_else(|error| {\n            append_startup_probe(format!(\"tauri application build failed: {error}\"));\n            panic!(\"error while building tauri application: {error}\");\n        })\n        .run(|app_handle, event| {\n            startup_recovery::record_run_event();\n            #[cfg(not(target_os = \"macos\"))]\n            let _ = (&app_handle, &event);\n\n            if let RunEvent::ExitRequested { code, api, .. } = &event {\n                let confirmed_exit = app_handle\n                    .try_state::<CloseBehaviorState>()\n                    .map(|state| state.take_confirmed_exit())\n                    .unwrap_or(false);\n                if should_confirm_app_exit_request(std::env::consts::OS, *code, confirmed_exit) {\n                    api.prevent_exit();\n                    request_app_close(app_handle, \"quit\");\n                } else {\n                    // Restart exits and the no-frontend native quit bypass\n                    // `complete_app_close`, so hide the window here too; the\n                    // shutdown below gives WindowServer time to remove it.","sourceCodeStart":2499,"sourceCodeEnd":2535,"githubUrl":"https://github.com/t8y2/dbx/blob/c0390bff16418b651f4728520d99adf8ce48829a/src-tauri/src/lib.rs#L2499-L2535","documentation":"This panic wraps any failure returned by tauri::Builder::build() when constructing the desktop application. The builder closure logs the underlying error to the startup probe file, then panics with 'error while building tauri application: {error}'. It signals that the Tauri app could not be initialized (plugin setup, window/state creation, or configuration failure) and the process must abort.","triggerScenarios":"tauri::Builder setup failing: a plugin's setup() returns Err, managed state initialization fails, window/webview creation fails, or tauri.conf.json is invalid. The real cause is in the startup probe line 'tauri application build failed: ...' and the wrapped {error}.","commonSituations":"Missing or malformed tauri.conf.json fields, a custom plugin failing during setup (e.g. DB migration or watchdog init), missing webview dependencies on Linux (webkit2gtk), or invalid identifiers/paths in config.","solutions":["Read the startup probe file entry 'tauri application build failed: ...' and the wrapped {error} text to find the underlying cause","Validate tauri.conf.json (schema, identifier, window config) with the Tauri CLI (tauri dev/build shows config errors)","Fix or make fallible plugin setup code in .setup()/.plugin() return a descriptive error instead of a generic one","On Linux, verify webkit2gtk and other Tauri system dependencies are installed"],"exampleFix":"// before (opaque failure in a plugin setup)\n.setup(|_app| { do_migration()?; Ok(()) })\n// after (descriptive cause)\n.setup(|_app| { do_migration().map_err(|e| anyhow!(\"startup migration failed: {e}\"))?; Ok(()) })","handlingStrategy":"try-catch","validationCode":"// validate config before launch\ntauri_build::try_build(Attributes::new()).expect(\"invalid tauri configuration\");","typeGuard":null,"tryCatchPattern":"tauri::Builder::default()\n    .build(ctx)\n    .unwrap_or_else(|error| {\n        eprintln!(\"tauri application build failed: {error:#}\");\n        std::process::exit(1);\n    });","preventionTips":["Run tauri dev/build locally to catch config errors early","Make plugin setup errors descriptive","Verify Linux webkit2gtk deps in CI"],"tags":["rust","tauri","startup","panic","desktop"],"backgroundTag":"app-initialization-failure","analyzedSha":"c0390bff16418b651f4728520d99adf8ce48829a","analyzedAt":"2026-09-05T23:05:10.900Z","contentChangedAt":"2026-09-05T23:05:10.900Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}