From 36f877aa38faa9a88c9fb467a2bb120498dce80e Mon Sep 17 00:00:00 2001
From: Egor Ushakov <egor.ushakov@jetbrains.com>
Date: Mon, 2 Apr 2018 19:16:29 +0300
Subject: [PATCH] EA-67363 - ITSE: DebugProcessImpl.doStep

---
 .../src/com/intellij/debugger/engine/DebugProcessImpl.java  | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/java/debugger/impl/src/com/intellij/debugger/engine/DebugProcessImpl.java b/java/debugger/impl/src/com/intellij/debugger/engine/DebugProcessImpl.java
index ef9963dc2ee3..de352a247cce 100644
--- a/java/debugger/impl/src/com/intellij/debugger/engine/DebugProcessImpl.java
+++ b/java/debugger/impl/src/com/intellij/debugger/engine/DebugProcessImpl.java
@@ -365,7 +365,11 @@ public abstract class DebugProcessImpl extends UserDataHolderBase implements Deb
         //noinspection HardCodedStringLiteral
         stepRequest.putProperty("hint", hint);
       }
-      stepRequest.enable();
+      try {
+        stepRequest.enable();
+      } catch (IllegalThreadStateException e) { // thread is already dead
+        requestManager.deleteEventRequest(stepRequest);
+      }
     }
     catch (ObjectCollectedException ignored) {