From cc62c538ac9371dbc909bd5cb103157766279fff Mon Sep 17 00:00:00 2001
From: dongxf <dongxf@tongtech.com>
Date: Fri, 6 Sep 2024 15:08:41 +0800
Subject: [PATCH] 8334780: Crash: assert(h_array_list.not_null()) failed:
 invariant

---
 src/hotspot/share/jfr/support/jfrJdkJfrEvent.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hotspot/share/jfr/support/jfrJdkJfrEvent.cpp b/src/hotspot/share/jfr/support/jfrJdkJfrEvent.cpp
index c591fcef1..ed62a59c7 100644
--- a/src/hotspot/share/jfr/support/jfrJdkJfrEvent.cpp
+++ b/src/hotspot/share/jfr/support/jfrJdkJfrEvent.cpp
@@ -132,7 +132,9 @@ jobject JdkJfrEvent::get_all_klasses(TRAPS) {
   transform_klasses_to_local_jni_handles(event_subklasses, THREAD);
 
   Handle h_array_list(THREAD, new_java_util_arraylist(THREAD));
-  assert(h_array_list.not_null(), "invariant");
+  if (h_array_list.is_null()) {
+    return empty_java_util_arraylist;
+  }
 
   static const char add_method_name[] = "add";
   static const char add_method_signature[] = "(Ljava/lang/Object;)Z";
-- 
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