diff --git a/xml/dom-impl/src/com/intellij/util/xml/impl/FileDescriptionCachedValueProvider.java b/xml/dom-impl/src/com/intellij/util/xml/impl/FileDescriptionCachedValueProvider.java
index 8a1f6cf54cf2..bc6b082c39be 100644
--- a/xml/dom-impl/src/com/intellij/util/xml/impl/FileDescriptionCachedValueProvider.java
+++ b/xml/dom-impl/src/com/intellij/util/xml/impl/FileDescriptionCachedValueProvider.java
@@ -15,6 +15,7 @@
  */
 package com.intellij.util.xml.impl;
 
+import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.util.Condition;
 import com.intellij.openapi.util.Key;
@@ -68,7 +69,11 @@ class FileDescriptionCachedValueProvider<T extends DomElement> implements SemEle
   public final DomFileElementImpl<T> getFileElement() {
     if (myComputed) return myLastResult;
 
-    DomFileElementImpl<T> result = _computeFileElement(false, getRootTag(), null);
+    final StringBuilder log = ApplicationManager.getApplication().isUnitTestMode() ? new StringBuilder() :  null;
+    DomFileElementImpl<T> result = _computeFileElement(false, getRootTag(), log);
+    if (log != null && result == null) {
+      System.out.println(log);
+    }
 
     synchronized (myCondition) {
       if (myComputed) return myLastResult;