From bf36a6478fcc3ec9cc7d495bd3e80710ec62b499 Mon Sep 17 00:00:00 2001
From: Eugene Zhuravlev <jeka@intellij.com>
Date: Thu, 8 Nov 2018 17:13:38 +0100
Subject: [PATCH] debug logging

---
 .../impl/src/com/intellij/compiler/server/BuildManager.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java b/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java
index 8bc6902caf19..619e49432beb 100644
--- a/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java
+++ b/java/compiler/impl/src/com/intellij/compiler/server/BuildManager.java
@@ -645,6 +645,9 @@ public class BuildManager implements Disposable {
   }
 
   private void cancelPreloadedBuilds(final String projectPath) {
+    if (LOG.isDebugEnabled()) {
+      LOG.debug("Cancel preloaded build for " + projectPath + "\n" + getThreadTrace(Thread.currentThread(), 50));
+    }
     runCommand(() -> {
       Pair<RequestFuture<PreloadedProcessMessageHandler>, OSProcessHandler> pair = takePreloadedProcess(projectPath);
       if (pair != null) {