1 files changed, 3 insertions, 1 deletions
diff --git a/vm/native/java_lang_System.c b/vm/native/java_lang_System.c
index 064d6da04..96cc144a6 100644
--- a/vm/native/java_lang_System.c
+++ b/vm/native/java_lang_System.c
@@ -71,7 +71,9 @@ static void Dalvik_java_lang_System_arraycopy(const u4* args, JValue* pResult)
         srcPos > (int) srcArray->length - length ||
         dstPos > (int) dstArray->length - length)
     {
-        dvmThrowException("Ljava/lang/ArrayIndexOutOfBoundsException;", NULL);
+        dvmThrowExceptionFmt("Ljava/lang/ArrayIndexOutOfBoundsException;",
+            "src.length=%d srcPos=%d dst.length=%d dstPos=%d length=%d",
+            srcArray->length, srcPos, dstArray->length, dstPos, length);
         RETURN_VOID();
     }