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20 hours ago •
firebase
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[Firebase_ai]: flutter Gemini-3-pro-preview not working on 2nd call with thinking
Is there an existing issue for this?
- [x] I have searched the existing issues.
Which plugins are affected?
Other
Which platforms are affected?
Android
Description
flutter firebase_ai 3.6.0, trying to use gemini-3-pro-preview:
The first call works fine.
The 2nd call results in this:
Function call is missing a thought_signature in functionCall parts. This is required for tools to work correctly, and missing thought_signature may lead to degraded model performance. Additional data, function call `default_api:create_study` , position 2. Please refer to https://ai.google.dev/gemini-api/docs/thought-signatures for more details.
package:firebase_ai/src/developer/api.dart 70:56 DeveloperSerialization.parseGenerateContentResponse
Also, the new thinking levels cannot be set.
Reproducing the issue
Send a 2nd message to a ChatSession created with gemini-3-pro-preview:
_toolModel = FirebaseAI.googleAI().generativeModel(
model: toolModelName,
generationConfig: GenerationConfig(
thinkingConfig: ThinkingConfig(thinkingBudget: 24576), // high
),
tools: [Tool.functionDeclarations(_trialFunctionDeclarations)],
toolConfig: ToolConfig(
functionCallingConfig: FunctionCallingConfig.auto(),
),
systemInstruction: Content.system(_defaultTrialInstruction),
);
...
final response = await session.sendMessage(message);
Firebase Core version
4.2.1
Flutter Version
3.38.3
Relevant Log Output
Function call is missing a thought_signature in functionCall parts. This is required for tools to work correctly, and missing thought_signature may lead to degraded model performance. Additional data, function call `default_api:create_study` , position 2. Please refer to https://ai.google.dev/gemini-api/docs/thought-signatures for more details.
package:firebase_ai/src/developer/api.dart 70:56 DeveloperSerialization.parseGenerateContentResponse
===== asynchronous gap ===========================
dart:async Future.then
package:firebase_ai/src/base_model.dart 337:50 BaseApiClientModel.makeRequest
package:firebase_ai/src/generative_model.dart 121:7 GenerativeModel.generateContent
package:firebase_ai/src/chat.dart 69:46 ChatSession.sendMessage
===== asynchronous gap ===========================
dart:async _CustomZone.registerUnaryCallback
package:firebase_ai/src/chat.dart 67:18 ChatSession.sendMessage
Users/ameyer/Projects/synctest/integration_test/ai_trial_creation_test.dart 911:38 _sendWithRetry
Users/ameyer/Projects/synctest/integration_test/ai_trial_creation_test.dart 275:28 main.<fn>.<fn>
===== asynchronous gap ===========================
dart:async _CustomZone.registerUnaryCallback
Users/ameyer/Projects/synctest/integration_test/ai_trial_creation_test.dart 197:25 main.<fn>.<fn>
===== asynchronous gap ===========================
package:stream_channel _GuaranteeSink.add
var/folders/nh/l3fqj7h50z9829bcqlb_d68w0000gn/T/flutter_tools.9odpTx/flutter_test_listener.mVx2UV/listener.dart 56:22 main.<fn>
Flutter dependencies
Expand Flutter dependencies snippet
Dart SDK 3.10.1
Flutter SDK 3.38.3
synctest 1.0.0+1
dependencies:
- archive 4.0.7 [crypto path posix]
- cloud_firestore 6.1.0 [cloud_firestore_platform_interface cloud_firestore_web collection firebase_core firebase_core_platform_interface flutter meta]
- cupertino_icons 1.0.8
- device_info_plus 12.3.0 [device_info_plus_platform_interface ffi file flutter flutter_web_plugins meta web win32 win32_registry]
- drift 2.29.0 [async convert collection meta stream_channel sqlite3 path stack_trace web]
- drift_flutter 0.2.7 [drift flutter meta path path_provider sqlite3 sqlite3_flutter_libs]
- file_picker 10.3.7 [flutter flutter_web_plugins flutter_plugin_android_lifecycle plugin_platform_interface ffi path win32 cross_file web dbus]
- firebase_ai 3.6.0 [firebase_app_check firebase_auth firebase_core firebase_core_platform_interface flutter http meta web_socket_channel]
- firebase_auth 6.1.2 [firebase_auth_platform_interface firebase_auth_web firebase_core firebase_core_platform_interface flutter meta]
- firebase_core 4.2.1 [firebase_core_platform_interface firebase_core_web flutter meta]
- firebase_storage 13.0.4 [firebase_core firebase_core_platform_interface firebase_storage_platform_interface firebase_storage_web flutter]
- firebase_ui_auth 3.0.1 [app_links email_validator firebase_auth firebase_core firebase_ui_localizations firebase_ui_oauth firebase_ui_shared flutter flutter_localizations meta]
- firebase_ui_oauth_google 2.0.1 [firebase_auth firebase_ui_oauth flutter google_sign_in]
- flutter 0.0.0 [characters collection material_color_utilities meta vector_math sky_engine]
- flutter_image_compress 2.4.0 [flutter flutter_image_compress_platform_interface flutter_image_compress_common flutter_image_compress_web flutter_image_compress_macos flutter_image_compress_ohos]
- flutter_riverpod 3.0.3 [collection flutter flutter_test meta riverpod state_notifier]
- flutter_tts 4.2.3 [flutter flutter_web_plugins]
- freezed_annotation 3.1.0 [collection json_annotation meta]
- geobase 1.5.0 [meta proj4dart]
- geolocator 14.0.2 [flutter geolocator_platform_interface geolocator_android geolocator_apple geolocator_web geolocator_windows geolocator_linux]
- go_router 17.0.0 [collection flutter flutter_web_plugins logging meta]
- google_maps_flutter 2.14.0 [flutter google_maps_flutter_android google_maps_flutter_ios google_maps_flutter_platform_interface google_maps_flutter_web]
- google_maps_flutter_web 0.5.14+3 [collection flutter flutter_web_plugins google_maps google_maps_flutter_platform_interface sanitize_html stream_transform web]
- http 1.6.0 [async http_parser meta web]
- image_picker 1.2.1 [flutter image_picker_android image_picker_for_web image_picker_ios image_picker_linux image_picker_macos image_picker_platform_interface image_picker_windows]
- intl 0.20.2 [clock meta path]
- json_annotation 4.9.0 [meta]
- mobile_scanner 7.1.3 [collection flutter flutter_web_plugins meta plugin_platform_interface web]
- path 1.9.1
- path_provider 2.1.5 [flutter path_provider_android path_provider_foundation path_provider_linux path_provider_platform_interface path_provider_windows]
- pdf 3.11.3 [archive barcode bidi crypto image meta path_parsing vector_math xml]
- permission_handler 12.0.1 [flutter meta permission_handler_android permission_handler_apple permission_handler_html permission_handler_windows permission_handler_platform_interface]
- printing 5.14.2 [ffi flutter flutter_web_plugins http image meta pdf pdf_widget_wrapper plugin_platform_interface web]
- share_plus 12.0.1 [cross_file meta mime flutter flutter_web_plugins share_plus_platform_interface file url_launcher_web url_launcher_windows url_launcher_linux url_launcher_platform_interface ffi web win32]
- shared_preferences 2.5.3 [flutter shared_preferences_android shared_preferences_foundation shared_preferences_linux shared_preferences_platform_interface shared_preferences_web shared_preferences_windows]
- speech_to_text 7.3.0 [flutter speech_to_text_platform_interface json_annotation clock pedantic flutter_web_plugins meta web speech_to_text_windows]
- timezone 0.10.1 [http path]
- url_launcher 6.3.2 [flutter url_launcher_android url_launcher_ios url_launcher_linux url_launcher_macos url_launcher_platform_interface url_launcher_web url_launcher_windows]
- uuid 4.5.2 [crypto meta fixnum]
- web 1.1.1
dev dependencies:
- build_runner 2.10.4 [analyzer args async build build_config build_daemon built_collection built_value code_builder collection convert crypto dart_style glob graphs http_multi_server io json_annotation logging meta mime package_config path pool pub_semver shelf shelf_web_socket stream_transform watcher web_socket_channel yaml]
- drift_dev 2.29.0 [charcode collection recase meta path json_annotation stream_transform args logging cli_util yaml io drift sqlite3 sqlparser analyzer source_span package_config pub_semver build build_config dart_style source_gen string_scanner]
- fake_cloud_firestore 4.0.0 [flutter cloud_firestore cloud_firestore_platform_interface collection plugin_platform_interface quiver rxdart mock_exceptions fake_firebase_security_rules rx equatable clock]
- flutter_lints 6.0.0 [lints]
- flutter_test 0.0.0 [flutter test_api matcher path fake_async clock stack_trace vector_math leak_tracker_flutter_testing collection meta stream_channel]
- freezed 3.2.3 [analyzer build build_config collection meta source_gen freezed_annotation json_annotation dart_style pub_semver]
- integration_test 0.0.0 [flutter flutter_driver flutter_test path vm_service]
- json_serializable 6.11.2 [analyzer async build build_config dart_style json_annotation meta path pub_semver pubspec_parse source_gen source_helper]
- mockito 5.6.1 [analyzer build code_builder collection dart_style matcher meta path source_gen test_api]
- test 1.26.3 [analyzer async boolean_selector collection coverage http_multi_server io js matcher node_preamble package_config path pool shelf shelf_packages_handler shelf_static shelf_web_socket source_span stack_trace stream_channel test_api test_core typed_data web_socket_channel webkit_inspection_protocol yaml]
transitive dependencies:
- _fe_analyzer_shared 91.0.0 [meta]
- _flutterfire_internals 1.3.64 [collection firebase_core firebase_core_platform_interface flutter meta]
- analyzer 8.4.1 [_fe_analyzer_shared collection convert crypto glob meta package_config path pub_semver source_span watcher yaml]
- antlr4 4.13.2 [logging collection]
- app_links 6.4.1 [flutter app_links_linux app_links_platform_interface app_links_web]
- app_links_linux 1.0.3 [flutter app_links_platform_interface gtk]
- app_links_platform_interface 2.0.2 [flutter plugin_platform_interface]
- app_links_web 1.0.4 [flutter flutter_web_plugins app_links_platform_interface web]
- args 2.7.0
- async 2.13.0 [collection meta]
- barcode 2.2.9 [meta qr]
- bidi 2.0.13
- boolean_selector 2.1.2 [source_span string_scanner]
- build 4.0.3 [analyzer crypto glob logging package_config path]
- build_config 1.2.0 [checked_yaml json_annotation path pubspec_parse]
- build_daemon 4.1.1 [built_collection built_value crypto http_multi_server logging path pool shelf shelf_web_socket stream_transform watcher web_socket_channel]
- built_collection 5.1.1
- built_value 8.12.1 [built_collection collection fixnum meta]
- cel 0.5.3 [antlr4 collection equatable]
- characters 1.4.0
- charcode 1.4.0
- checked_yaml 2.0.4 [json_annotation source_span yaml]
- cli_config 0.2.0 [args yaml]
- cli_util 0.4.2 [meta path]
- clock 1.1.2
- cloud_firestore_platform_interface 7.0.4 [_flutterfire_internals collection firebase_core flutter meta plugin_platform_interface]
- cloud_firestore_web 5.1.0 [_flutterfire_internals cloud_firestore_platform_interface collection firebase_core firebase_core_web flutter flutter_web_plugins]
- code_builder 4.11.0 [built_collection built_value collection matcher meta]
- collection 1.19.1
- convert 3.1.2 [typed_data]
- coverage 1.15.0 [args cli_config glob logging meta package_config path source_maps stack_trace vm_service yaml]
- cross_file 0.3.5+1 [meta web]
- crypto 3.0.7 [typed_data]
- csslib 1.0.2 [source_span]
- dart_style 3.1.3 [analyzer args collection package_config path pub_semver source_span yaml]
- dbus 0.7.11 [args ffi meta xml]
- desktop_webview_auth 0.0.16 [crypto flutter http flutter_web_plugins plugin_platform_interface]
- device_info_plus_platform_interface 7.0.3 [flutter meta plugin_platform_interface]
- email_validator 2.1.17
- equatable 2.0.7 [collection meta]
- fake_async 1.3.3 [clock collection]
- fake_firebase_security_rules 0.5.3 [antlr4 cel equatable logger tuple]
- ffi 2.1.4
- file 7.0.1 [meta path]
- file_selector_linux 0.9.4 [cross_file file_selector_platform_interface flutter]
- file_selector_macos 0.9.5 [cross_file file_selector_platform_interface flutter]
- file_selector_platform_interface 2.7.0 [cross_file flutter http plugin_platform_interface]
- file_selector_windows 0.9.3+5 [cross_file file_selector_platform_interface flutter]
- firebase_app_check 0.4.1+2 [firebase_app_check_platform_interface firebase_app_check_web firebase_core firebase_core_platform_interface flutter]
- firebase_app_check_platform_interface 0.2.1+2 [_flutterfire_internals firebase_core flutter meta plugin_platform_interface]
- firebase_app_check_web 0.2.2 [_flutterfire_internals firebase_app_check_platform_interface firebase_core firebase_core_web flutter flutter_web_plugins web]
- firebase_auth_platform_interface 8.1.4 [_flutterfire_internals collection firebase_core flutter http meta plugin_platform_interface]
- firebase_auth_web 6.1.0 [firebase_auth_platform_interface firebase_core firebase_core_web flutter flutter_web_plugins http_parser meta web]
- firebase_core_platform_interface 6.0.2 [collection flutter flutter_test meta plugin_platform_interface]
- firebase_core_web 3.3.0 [firebase_core_platform_interface flutter flutter_web_plugins meta web]
- firebase_storage_platform_interface 5.2.15 [_flutterfire_internals collection firebase_core flutter meta plugin_platform_interface]
- firebase_storage_web 3.11.0 [_flutterfire_internals async firebase_core firebase_core_web firebase_storage_platform_interface flutter flutter_web_plugins http meta web]
- firebase_ui_localizations 2.0.1 [flutter flutter_localizations path]
- firebase_ui_oauth 2.0.1 [desktop_webview_auth firebase_auth firebase_ui_auth firebase_ui_shared flutter_svg flutter]
- firebase_ui_shared 1.4.2 [flutter]
- fixnum 1.1.1
- flutter_driver 0.0.0 [file flutter flutter_test fuchsia_remote_debug_protocol path meta vm_service webdriver matcher]
- flutter_image_compress_common 1.0.6 [flutter flutter_image_compress_platform_interface]
- flutter_image_compress_macos 1.0.3 [flutter flutter_image_compress_platform_interface]
- flutter_image_compress_ohos 0.0.3 [flutter flutter_image_compress_platform_interface]
- flutter_image_compress_platform_interface 1.0.5 [flutter plugin_platform_interface cross_file]
- flutter_image_compress_web 0.1.5 [flutter flutter_web_plugins flutter_image_compress_platform_interface web]
- flutter_localizations 0.0.0 [flutter intl path]
- flutter_plugin_android_lifecycle 2.0.33 [flutter]
- flutter_svg 2.2.3 [flutter http vector_graphics vector_graphics_codec vector_graphics_compiler]
- flutter_web_plugins 0.0.0 [flutter]
- frontend_server_client 4.0.0 [async path]
- fuchsia_remote_debug_protocol 0.0.0 [process vm_service meta]
- geoclue 0.1.1 [dbus meta]
- geolocator_android 5.0.2 [flutter geolocator_platform_interface meta uuid]
- geolocator_apple 2.3.13 [flutter geolocator_platform_interface]
- geolocator_linux 0.2.3 [dbus flutter geoclue geolocator_platform_interface gsettings package_info_plus]
- geolocator_platform_interface 4.2.6 [flutter plugin_platform_interface vector_math meta]
- geolocator_web 4.1.3 [flutter flutter_web_plugins geolocator_platform_interface web]
- geolocator_windows 0.2.5 [flutter geolocator_platform_interface]
- glob 2.1.3 [async collection file path string_scanner]
- google_identity_services_web 0.3.3+1 [meta web]
- google_maps 8.2.0 [meta web]
- google_maps_flutter_android 2.18.6 [flutter flutter_plugin_android_lifecycle google_maps_flutter_platform_interface stream_transform]
- google_maps_flutter_ios 2.15.7 [flutter google_maps_flutter_platform_interface stream_transform]
- google_maps_flutter_platform_interface 2.14.1 [collection flutter plugin_platform_interface stream_transform]
- google_sign_in 6.3.0 [flutter google_sign_in_android google_sign_in_ios google_sign_in_platform_interface google_sign_in_web]
- google_sign_in_android 6.2.1 [flutter google_sign_in_platform_interface]
- google_sign_in_ios 5.9.0 [flutter google_sign_in_platform_interface]
- google_sign_in_platform_interface 2.5.0 [flutter plugin_platform_interface]
- google_sign_in_web 0.12.4+4 [flutter flutter_web_plugins google_identity_services_web google_sign_in_platform_interface http web]
- graphs 2.3.2 [collection]
- gsettings 0.2.8 [dbus xdg_directories]
- gtk 2.1.0 [ffi flutter meta]
- html 0.15.6 [csslib source_span]
- http_multi_server 3.2.2 [async]
- http_parser 4.1.2 [collection source_span string_scanner typed_data]
- image 4.5.4 [archive meta xml]
- image_picker_android 0.8.13+10 [flutter flutter_plugin_android_lifecycle image_picker_platform_interface]
- image_picker_for_web 3.1.1 [flutter flutter_web_plugins image_picker_platform_interface mime web]
- image_picker_ios 0.8.13+2 [flutter image_picker_platform_interface]
- image_picker_linux 0.2.2 [file_selector_linux file_selector_platform_interface flutter image_picker_platform_interface]
- image_picker_macos 0.2.2+1 [file_selector_macos file_selector_platform_interface flutter image_picker_platform_interface]
- image_picker_platform_interface 2.11.1 [cross_file flutter http plugin_platform_interface]
- image_picker_windows 0.2.2 [file_selector_platform_interface file_selector_windows flutter image_picker_platform_interface]
- io 1.0.5 [meta path string_scanner]
- js 0.7.2
- leak_tracker 11.0.2 [clock collection meta path vm_service]
- leak_tracker_flutter_testing 3.0.10 [flutter leak_tracker leak_tracker_testing matcher meta]
- leak_tracker_testing 3.0.2 [leak_tracker matcher meta]
- lints 6.0.0
- lists 1.0.1 [meta]
- logger 2.6.2 [meta]
- logging 1.3.0
- matcher 0.12.17 [async meta stack_trace term_glyph test_api]
- material_color_utilities 0.11.1 [collection]
- meta 1.17.0
- mgrs_dart 2.0.0 [unicode]
- mime 2.0.0
- mock_exceptions 0.8.2 [matcher]
- more 4.6.1 [characters clock collection meta]
- node_preamble 2.0.2
- package_config 2.2.0 [path]
- package_info_plus 8.3.1 [ffi flutter flutter_web_plugins http meta path package_info_plus_platform_interface web win32 clock]
- package_info_plus_platform_interface 3.2.1 [flutter meta plugin_platform_interface]
- path_parsing 1.1.0 [meta vector_math]
- path_provider_android 2.2.22 [flutter path_provider_platform_interface]
- path_provider_foundation 2.5.1 [flutter path_provider_platform_interface]
- path_provider_linux 2.2.1 [ffi flutter path path_provider_platform_interface xdg_directories]
- path_provider_platform_interface 2.1.2 [flutter platform plugin_platform_interface]
- path_provider_windows 2.3.0 [ffi flutter path path_provider_platform_interface]
- pdf_widget_wrapper 1.0.4 [flutter pdf]
- pedantic 1.11.1
- permission_handler_android 13.0.1 [flutter permission_handler_platform_interface]
- permission_handler_apple 9.4.7 [flutter permission_handler_platform_interface]
- permission_handler_html 0.1.3+5 [flutter flutter_web_plugins permission_handler_platform_interface web]
- permission_handler_platform_interface 4.3.0 [flutter meta plugin_platform_interface]
- permission_handler_windows 0.2.1 [flutter permission_handler_platform_interface]
- petitparser 7.0.1 [meta collection]
- platform 3.1.6
- plugin_platform_interface 2.1.8 [meta]
- pool 1.5.2 [async stack_trace]
- posix 6.0.3 [ffi meta path]
- process 5.0.5 [file path platform]
- proj4dart 2.1.0 [mgrs_dart wkt_parser meta]
- pub_semver 2.2.0 [collection]
- pubspec_parse 1.5.0 [checked_yaml collection json_annotation pub_semver yaml]
- qr 3.0.2 [meta]
- quiver 3.2.2 [matcher]
- recase 4.1.0
- riverpod 3.0.3 [async clock collection meta state_notifier test]
- rx 0.4.0 [collection matcher meta more]
- rxdart 0.28.0
- sanitize_html 2.1.0 [html meta]
- share_plus_platform_interface 6.1.0 [cross_file flutter meta mime plugin_platform_interface path_provider uuid]
- shared_preferences_android 2.4.17 [flutter shared_preferences_platform_interface]
- shared_preferences_foundation 2.5.6 [flutter shared_preferences_platform_interface]
- shared_preferences_linux 2.4.1 [file flutter path path_provider_linux path_provider_platform_interface shared_preferences_platform_interface]
- shared_preferences_platform_interface 2.4.1 [flutter plugin_platform_interface]
- shared_preferences_web 2.4.3 [flutter flutter_web_plugins shared_preferences_platform_interface web]
- shared_preferences_windows 2.4.1 [file flutter path path_provider_platform_interface path_provider_windows shared_preferences_platform_interface]
- shelf 1.4.2 [async collection http_parser path stack_trace stream_channel]
- shelf_packages_handler 3.0.2 [path shelf shelf_static]
- shelf_static 1.1.3 [convert http_parser mime path shelf]
- shelf_web_socket 3.0.0 [shelf stream_channel web_socket_channel]
- sky_engine 0.0.0
- source_gen 4.1.1 [analyzer async build dart_style glob path pub_semver source_span yaml]
- source_helper 1.3.8 [analyzer source_gen]
- source_map_stack_trace 2.1.2 [path source_maps stack_trace]
- source_maps 0.10.13 [source_span]
- source_span 1.10.1 [collection path term_glyph]
- speech_to_text_platform_interface 2.3.0 [flutter meta plugin_platform_interface]
- speech_to_text_windows 1.0.0+beta.8 [flutter speech_to_text_platform_interface]
- sqlite3 2.9.4 [collection ffi meta path web typed_data]
- sqlite3_flutter_libs 0.5.41 [flutter]
- sqlparser 0.42.0 [meta collection source_span charcode]
- stack_trace 1.12.1 [path]
- state_notifier 1.0.0 [meta]
- stream_channel 2.1.4 [async]
- stream_transform 2.1.1
- string_scanner 1.4.1 [source_span]
- sync_http 0.3.1
- term_glyph 1.2.2
- test_api 0.7.7 [async boolean_selector collection meta source_span stack_trace stream_channel string_scanner term_glyph]
- test_core 0.6.12 [analyzer args async boolean_selector collection coverage frontend_server_client glob io meta package_config path pool source_map_stack_trace source_maps source_span stack_trace stream_channel test_api vm_service yaml]
- tuple 2.0.2
- typed_data 1.4.0 [collection]
- unicode 0.3.1 [lists]
- url_launcher_android 6.3.28 [flutter url_launcher_platform_interface]
- url_launcher_ios 6.3.6 [flutter url_launcher_platform_interface]
- url_launcher_linux 3.2.2 [flutter url_launcher_platform_interface]
- url_launcher_macos 3.2.5 [flutter url_launcher_platform_interface]
- url_launcher_platform_interface 2.3.2 [flutter plugin_platform_interface]
- url_launcher_web 2.4.1 [flutter flutter_web_plugins url_launcher_platform_interface web]
- url_launcher_windows 3.1.5 [flutter url_launcher_platform_interface]
- vector_graphics 1.1.19 [flutter http vector_graphics_codec]
- vector_graphics_codec 1.1.13
- vector_graphics_compiler 1.1.19 [args meta path path_parsing vector_graphics_codec xml]
- vector_math 2.2.0
- vm_service 15.0.2
- watcher 1.1.4 [async path]
- web_socket 1.0.1 [web]
- web_socket_channel 3.0.3 [async crypto stream_channel web web_socket]
- webdriver 3.1.0 [matcher path stack_trace sync_http]
- webkit_inspection_protocol 1.2.1 [logging]
- win32 5.15.0 [ffi]
- win32_registry 2.1.0 [ffi meta win32]
- wkt_parser 2.0.0
- xdg_directories 1.1.0 [meta path]
- xml 6.6.1 [collection meta petitparser]
- yaml 3.1.3 [collection source_span string_scanner]
Additional context and comments
No response
