commit 54f25b4a7ce36d1db32d58c3e9a449460f1f3479
author Wale Ogunwale <ogunwale@google.com> Tue Feb 27 08:32:15 2018 -0800
committer Wale Ogunwale <ogunwale@google.com> Tue Feb 27 08:32:15 2018 -0800
tree c1d3d3dc4e840414c3155646b4b738d6ff6ce98b
parent 64265d4dcef6b91001f629a5bf5edd013b32b701

Added more info. to exception while creating display in WM.

To help figure-out root cause of issue.

Bug: 72893961
Test: Builds
Change-Id: If1ae4f80f01490e2460b0a9db7a481fa2c0046e8

services/core/java/com/android/server/wm/DisplayWindowController.java

diff --git a/services/core/java/com/android/server/wm/DisplayWindowController.java b/services/core/java/com/android/server/wm/DisplayWindowController.java
index 0e12838..e3e4a46 100644
--- a/services/core/java/com/android/server/wm/DisplayWindowController.java
+++ b/services/core/java/com/android/server/wm/DisplayWindowController.java
@@ -50,7 +50,9 @@
             }
 
             if (mContainer == null) {
-                throw new IllegalArgumentException("Trying to add displayId=" + displayId);
+                throw new IllegalArgumentException("Trying to add displayId=" + displayId
+                        + " display=" + display
+                        + " dc=" + mRoot.getDisplayContent(displayId));
             }
         }
     }