From 01805e88782115b2c1cbd86791afa2ee9f77ba94 Mon Sep 17 00:00:00 2001
From: Yan Zhulanow <yan.zhulanow@jetbrains.com>
Date: Fri, 2 Aug 2019 17:22:28 +0900
Subject: [PATCH] Debugger: Fix read action in 'createLineSourcePosition'
 (KT-33064)

---
 .../idea/debugger/breakpoints/KotlinLineBreakpointType.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/idea/jvm-debugger/jvm-debugger-core/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinLineBreakpointType.java b/idea/jvm-debugger/jvm-debugger-core/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinLineBreakpointType.java
index 8152a802418..965ab2ad16a 100644
--- a/idea/jvm-debugger/jvm-debugger-core/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinLineBreakpointType.java
+++ b/idea/jvm-debugger/jvm-debugger-core/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinLineBreakpointType.java
@@ -210,7 +210,9 @@ public class KotlinLineBreakpointType extends JavaLineBreakpointType implements
     private static SourcePosition createLineSourcePosition(@NotNull XLineBreakpointImpl breakpoint) {
         VirtualFile file = breakpoint.getFile();
         if (file != null) {
-            PsiFile psiFile = PsiManager.getInstance(breakpoint.getProject()).findFile(file);
+
+            PsiManager psiManager = PsiManager.getInstance(breakpoint.getProject());
+            PsiFile psiFile = ReadAction.compute(() -> psiManager.findFile(file));
             if (psiFile != null) {
                 return SourcePosition.createFromLine(psiFile, breakpoint.getLine());
             }