From 2a1bce6d61b12e9ccb918bc5f9dd0ea3f7c3b535 Mon Sep 17 00:00:00 2001
From: Egor Ushakov <egor.ushakov@jetbrains.com>
Date: Thu, 31 Jan 2019 15:02:16 +0300
Subject: [PATCH] IDEA-206160 Instrumentation in java.lang.Thread does not work
 when running as Debug mode in Intellij Idea

disable agent during redefinition or retransform
---
 .../src/com/intellij/rt/debugger/agent/CaptureAgent.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/java/debugger/debugger-agent/src/com/intellij/rt/debugger/agent/CaptureAgent.java b/java/debugger/debugger-agent/src/com/intellij/rt/debugger/agent/CaptureAgent.java
index 5d35743f1f9b..8e3a664fb859 100644
--- a/java/debugger/debugger-agent/src/com/intellij/rt/debugger/agent/CaptureAgent.java
+++ b/java/debugger/debugger-agent/src/com/intellij/rt/debugger/agent/CaptureAgent.java
@@ -168,7 +168,7 @@ public class CaptureAgent {
                             Class<?> classBeingRedefined,
                             ProtectionDomain protectionDomain,
                             byte[] classfileBuffer) {
-      if (className != null) {
+      if (className != null && classBeingRedefined == null) { // we do not support redefinition or retransform
         List<InstrumentPoint> classPoints = myInstrumentPoints.get(className);
         if (classPoints != null) {
           try {