Summary:
https://fb.workplace.com/groups/443457641253219/permalink/1716178925529425/
we had this stack trace which i belive is because we are accessing the litho view after its been unmounted, this is possible as the attributes fetching is async. To fix we move this part to be sync on the main thread
ui-debugger] Client error during traversal: {\n \"nodeName\": \"DeferredProcessing\",\n \"errorType\": \"NullPointerException\",\n \"errorMessage\": \"Attempt to invoke virtual method 'com.facebook.rendercore.extensions.ExtensionState com.facebook.litho.LithoHostListenerCoordinator.getVisibilityExtensionState()' on a null object reference\",\n \"stack\": \"java.lang.NullPointerException: Attempt to invoke virtual method 'com.facebook.rendercore.extensions.ExtensionState com.facebook.litho.LithoHostListenerCoordinator.getVisibilityExtensionState()' on a null object reference\\n\\tat com.facebook.litho.LithoView.getVisibilityExtensionState(LithoView.java:710)\\n\\tat com.facebook.litho.DebugComponent$Companion.isVisible(DebugComponent.kt:406)\\n\\tat com.facebook.flipper.plugins.uidebugger.litho.descriptors.DebugComponentDescriptor.getMountingData(DebugComponentDescriptor.kt:182)\\n\\tat com.facebook.flipper.plugins.uidebugger.litho.descriptors.DebugComponentDescriptor.access$getMountingData(DebugComponentDescriptor.kt:32)\\n\\tat com.facebook.flipper.plugins.uidebugger.litho.descriptors.Debug
Reviewed By: adityasharat
Differential Revision: D50843793
fbshipit-source-id: 8c1df8b291371fd379cb819df33ed933f36026a6
620b41b691