From 30e4bb7bb9325d8ede771926a6dbd9e63eb82021 Mon Sep 17 00:00:00 2001
From: Marcus Mews <marcus.mews@jetbrains.com>
Date: Mon, 20 Oct 2025 20:47:30 +0000
Subject: [PATCH] PY-84545 PY-84716 Fix class loader problem

- use given clazz's class loader to avoid "is not visible from class loader" check in java.lang.Proxy.ensureVisible()

GitOrigin-RevId: 5d275b1353383691fe907caa039a15706e9b7a18
---
 .../src/com/jetbrains/python/vp/ViewPresenterUtils.java        | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python/python-psi-impl/src/com/jetbrains/python/vp/ViewPresenterUtils.java b/python/python-psi-impl/src/com/jetbrains/python/vp/ViewPresenterUtils.java
index 500764b308a3..080e624911ef 100644
--- a/python/python-psi-impl/src/com/jetbrains/python/vp/ViewPresenterUtils.java
+++ b/python/python-psi-impl/src/com/jetbrains/python/vp/ViewPresenterUtils.java
@@ -63,6 +63,7 @@ public final class ViewPresenterUtils {
   private static <C> C createProxy(Class<C> clazz, InvocationHandler handler) {
     assert clazz != null;
     assert handler != null;
-    return ReflectionUtil.proxy(ViewPresenterUtils.class.getClassLoader(), clazz, handler);
+    ClassLoader classLoader = clazz.getClassLoader(); // clazz's class loader allows [java.lang.reflect.Proxy#ensureVisible]
+    return ReflectionUtil.proxy(classLoader, clazz, handler);
   }
 }