topic Re: Exception thrown when map is dealloc'd in ArcGIS Runtime SDK for iOS Questions https://community.esri.com/t5/arcgis-runtime-sdk-for-ios-questions/exception-thrown-when-map-is-dealloc-d/m-p/295589#M2647 <HTML><HEAD></HEAD><BODY><P>As far as I can tell these exceptions are harmless. They are caught by the c++ code wrapping pplx.&nbsp;All signs point to them being expected exceptions, most likely related to async data fetching tasks that were cancelled when the mapview was deallocated. You can turn off the C++ exception breakpoint and not see them (Just create an objective-c only exception breakpoint). That would only be important for you if you have C++ code in your app.</P></BODY></HTML> Thu, 20 Feb 2020 20:26:31 GMT RyanOlson1 2020-02-20T20:26:31Z Exception thrown when map is dealloc'd https://community.esri.com/t5/arcgis-runtime-sdk-for-ios-questions/exception-thrown-when-map-is-dealloc-d/m-p/295588#M2646 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>We're getting a lot of these exceptions when moving from a view that has an Esri map, to a view that doesn't have one.</P><P></P><PRE class="lia-code-sample line-numbers language-none">Thread 1 Queue : com.apple.main-thread (serial) #0 0x000000011a661854 in __cxa_throw () #1 0x000000010ed7dc60 in std::exception_ptr std::make_exception_ptr&lt;pplx::task_canceled&gt;(pplx::task_canceled) () #2 0x000000010ed7dfa7 in pplx::details::_CancellationTokenCallback&lt;Esri_runtimecore::Geo_views::Map_view::set_viewpoint_async_(Esri_runtimecore::Geo_model::Viewpoint const&amp;, float, double, Esri_runtimecore::Geo_views::Geo_view::Animate_set_viewpoint, Esri_runtimecore::Map_renderer::Animation::Curve)::$_25&gt;::_Exec() () #3 0x000000010ec6a78f in pplx::details::_CancellationTokenState::_Cancel() () #4 0x000000010ec722b9 in Esri_runtimecore::Geo_views::Geo_view::~Geo_view() () #5 0x000000010e928745 in RT_GeoView_destroy () #6 0x000000010e533840 in -[RTCGeoView dealloc] () #7 0x000000010e6109a9 in -[RTCMapView dealloc] () #8 0x0000000117cbb0d6 in objc_object::sidetable_release(bool) () #9 0x000000010e4f08c5 in -[AGSGeoView .cxx_destruct] () #10 0x0000000117ca4f02 in object_cxxDestructFromClass(objc_object*, objc_class*) () #11 0x0000000117cb44b3 in objc_destructInstance () #12 0x0000000118ac95be in -[NSObject(NSObject) __dealloc_zombie] () #13 0x000000011e25a6c2 in -[UIResponder dealloc] () #14 0x000000011e6e231c in -[UIView dealloc] () #15 0x000000010e4ec81b in -[AGSGeoView dealloc] () #16 0x000000010e67b03d in -[AGSMapViewCommon dealloc] () #17 0x000000010e469285 in -[AGSMapView dealloc] () #18 0x0000000116da08a6 in @objc TCEsriSimpleMapView.__ivar_destroyer () #19 0x0000000117ca4f02 in object_cxxDestructFromClass(objc_object*, objc_class*) () #20 0x0000000117cb44b3 in objc_destructInstance () #21 0x0000000118ac95be in -[NSObject(NSObject) __dealloc_zombie] () #22 0x000000011e25a6c2 in -[UIResponder dealloc] () #23 0x000000011e6e231c in -[UIView dealloc] () #24 0x0000000116da067b in TCEsriSimpleMapView.__deallocating_deinit at /path/TCEsriSimpleMapView.swift:154 #25 0x0000000116da06bb in @objc TCEsriSimpleMapView.__deallocating_deinit () #26 0x0000000116dbc2f9 in ___lldb_unnamed_symbol262$$TCFramework () #27 0x0000000119909f10 in _swift_release_dealloc () #28 0x0000000116dbc38d in block_destroy_helper.152 () #29 0x000000011a3639c2 in _Block_release () #30 0x000000011a24e96c in _dispatch_source_handler_dispose () #31 0x000000011a24da82 in _dispatch_source_invoke () #32 0x000000011a245c1d in _dispatch_main_queue_callback_4CF () #33 0x0000000118a0b049 in __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ () #34 0x0000000118a05ca9 in __CFRunLoopRun () #35 0x0000000118a05066 in CFRunLoopRunSpecific () #36 0x0000000122436bb0 in GSEventRunModal () #37 0x000000011e22dd4d in UIApplicationMain () #38 0x000000010d8e4b1b in main at /path/AppDelegate.swift:14 #39 0x000000011a2bfc25 in start ()</PRE><P></P><P>We're getting these because we've set a breakpoint on "All Exceptions". AFAIK, this does not&nbsp;actually crash the&nbsp;app.</P><P></P><P>Still, I'd like to know if there is something we can do to not get them anymore (e.g. cancel any operations, clear any other delegates, etc).</P><P></P><P>Thank you,</P><P>Marius</P></BODY></HTML> Sun, 12 Dec 2021 16:18:21 GMT https://community.esri.com/t5/arcgis-runtime-sdk-for-ios-questions/exception-thrown-when-map-is-dealloc-d/m-p/295588#M2646 marius 2021-12-12T16:18:21Z Re: Exception thrown when map is dealloc'd https://community.esri.com/t5/arcgis-runtime-sdk-for-ios-questions/exception-thrown-when-map-is-dealloc-d/m-p/295589#M2647 <HTML><HEAD></HEAD><BODY><P>As far as I can tell these exceptions are harmless. They are caught by the c++ code wrapping pplx.&nbsp;All signs point to them being expected exceptions, most likely related to async data fetching tasks that were cancelled when the mapview was deallocated. You can turn off the C++ exception breakpoint and not see them (Just create an objective-c only exception breakpoint). That would only be important for you if you have C++ code in your app.</P></BODY></HTML> Thu, 20 Feb 2020 20:26:31 GMT https://community.esri.com/t5/arcgis-runtime-sdk-for-ios-questions/exception-thrown-when-map-is-dealloc-d/m-p/295589#M2647 RyanOlson1 2020-02-20T20:26:31Z Re: Exception thrown when map is dealloc'd https://community.esri.com/t5/arcgis-runtime-sdk-for-ios-questions/exception-thrown-when-map-is-dealloc-d/m-p/295590#M2648 <HTML><HEAD></HEAD><BODY><P>I thought that that might be the case.&nbsp;Thanks for confirming it.</P></BODY></HTML> Thu, 20 Feb 2020 22:37:05 GMT https://community.esri.com/t5/arcgis-runtime-sdk-for-ios-questions/exception-thrown-when-map-is-dealloc-d/m-p/295590#M2648 marius 2020-02-20T22:37:05Z