From 4eb07e3c15807c4f96c1a4fa196a4118c0bfa330 Mon Sep 17 00:00:00 2001
From: guoxiolong <275520895@qq.com>
Date: Tue, 9 May 2023 23:34:03 +0800
Subject: [PATCH] Add JBoss support through mount agent by ModuleClassloader.
 (#527)

- Change the classloader to locate the agent path in AgentPackagePath, from `SystemClassLoader` to AgentPackagePath's loader.
---
 CHANGES.md                                                      | 1 +
 .../apache/skywalking/apm/agent/core/boot/AgentPackagePath.java | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGES.md b/CHANGES.md
index a044ed561..abc5b1563 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -14,6 +14,7 @@ Release Notes.
 * [Chore] Exclude org.checkerframework:checker-qual and com.google.j2objc:j2objc-annotations
 * [Chore] Exclude proto files in the generated jar
 * Fix Jedis-2.x plugin can not get host info in jedis 3.3.x+
+* Change the classloader to locate the agent path in AgentPackagePath, from `SystemClassLoader` to AgentPackagePath's loader.
 
 #### Documentation
 
diff --git a/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/boot/AgentPackagePath.java b/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/boot/AgentPackagePath.java
index 611def07d..125cdd1fe 100644
--- a/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/boot/AgentPackagePath.java
+++ b/apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/boot/AgentPackagePath.java
@@ -49,7 +49,7 @@ public class AgentPackagePath {
     private static File findPath() throws AgentPackageNotFoundException {
         String classResourcePath = AgentPackagePath.class.getName().replaceAll("\\.", "/") + ".class";
 
-        URL resource = ClassLoader.getSystemClassLoader().getResource(classResourcePath);
+        URL resource = AgentPackagePath.class.getClassLoader().getResource(classResourcePath);
         if (resource != null) {
             String urlString = resource.toString();