Improve error message on so loading failure

Summary: If the exception cause does not have a message, log the toString() of the exception Differential Revision: D8230263 fbshipit-source-id: d02d0b71f584e9dd82cb0f9bd4d2ee90c3218de9
facebook · Jun 1, 2018 · 470328a · 470328a
1 parent 3d69139
commit 470328a
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/java/com/facebook/soloader/SoLoader.java b/java/com/facebook/soloader/SoLoader.java
@@ -693,7 +693,11 @@ private static void doLoadLibraryBySoName(
           || result == SoSource.LOAD_RESULT_CORRUPTED_LIB_FILE) {
         String message = "couldn't find DSO to load: " + soName;
         if (error != null) {
-          message += " caused by: " + error.getMessage();
+          String cause = error.getMessage();
+          if (cause == null) {
+            cause = error.toString();
+          }
+          message += " caused by: " + cause;
         }
         Log.e(TAG, message);
         throw new UnsatisfiedLinkError(message);