From c2b75901cfb46af79f534f92f11dae9a93c654e7 Mon Sep 17 00:00:00 2001
From: Andrei Shikov <ashikov@fb.com>
Date: Wed, 28 Oct 2020 17:39:31 -0700
Subject: [PATCH] Change the order of handling exception and clearing react
 instance manager

Summary:
Changelog: [Internal]
Added better explanation to help debugging ViewManager crashes

Reviewed By: makovkastar

Differential Revision: D24539229

fbshipit-source-id: 36a010324cbf29dfe63784682715b963394a87fb
---
 .../com/facebook/react/uimanager/ViewManagerRegistry.java   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ReactAndroid/src/main/java/com/facebook/react/uimanager/ViewManagerRegistry.java b/ReactAndroid/src/main/java/com/facebook/react/uimanager/ViewManagerRegistry.java
index 73c37c10f12..a6ceb3e395a 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/uimanager/ViewManagerRegistry.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/uimanager/ViewManagerRegistry.java
@@ -56,7 +56,11 @@ public final class ViewManagerRegistry {
     if (mViewManagerResolver != null) {
       viewManager = getViewManagerFromResolver(className);
       if (viewManager != null) return viewManager;
-      throw new IllegalViewOperationException("ViewManagerResolver returned null for " + className);
+      throw new IllegalViewOperationException(
+          "ViewManagerResolver returned null for "
+              + className
+              + ", existing names are: "
+              + mViewManagerResolver.getViewManagerNames());
     }
     throw new IllegalViewOperationException("No ViewManager found for class " + className);
   }