diff --git a/compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/JetLightClass.java b/compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/JetLightClass.java
index 9f71c5960ec..d1e8fb1b7bc 100644
--- a/compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/JetLightClass.java
+++ b/compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/JetLightClass.java
@@ -23,7 +23,6 @@ import com.intellij.openapi.progress.ProcessCanceledException;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.Comparing;
 import com.intellij.openapi.util.Key;
-import com.intellij.openapi.util.SystemInfo;
 import com.intellij.psi.*;
 import com.intellij.psi.impl.PsiClassImplUtil;
 import com.intellij.psi.impl.java.stubs.PsiClassStub;
@@ -53,8 +52,6 @@ import javax.swing.*;
 import java.util.Collections;
 
 public class JetLightClass extends AbstractLightClass implements JetJavaMirrorMarker {
-    private static final Logger LOG = Logger.getInstance(JetLightClass.class);
-
     static class JetBadWrapperException extends RuntimeException {
         private final String context;
 
@@ -171,7 +168,7 @@ public class JetLightClass extends AbstractLightClass implements JetJavaMirrorMa
         if (LightClassUtil.belongsToKotlinBuiltIns(file)) {
             // We may not fail later due to some luck, but generating JetLightClasses for built-ins is a bad idea anyways
             // If it fails later, there will be an exception logged
-            logErrorWithOSInfo(null);
+            LightClassUtil.logErrorWithOSInfo(null, qualifiedName, file.getVirtualFile());
         }
 
         final PsiJavaFileStubImpl answer = new PsiJavaFileStubImpl(JetPsiUtil.getFQName(file).getFqName(), true);
@@ -223,21 +220,13 @@ public class JetLightClass extends AbstractLightClass implements JetJavaMirrorMa
             throw e;
         }
         catch (RuntimeException e) {
-            logErrorWithOSInfo(e);
+            LightClassUtil.logErrorWithOSInfo(e, qualifiedName, file.getVirtualFile());
             throw e;
         }
 
         return answer;
     }
 
-    private void logErrorWithOSInfo(@Nullable Throwable cause) {
-        LOG.error(
-                "Could not generate JetLightClass for " + qualifiedName + " declared in " + file.getVirtualFile().getPath() + "\n" +
-                "built-ins dir URL is " + LightClassUtil.getBuiltInsDirResourceUrl() + "\n" +
-                "System: " + SystemInfo.OS_NAME + " " + SystemInfo.OS_VERSION + " Java Runtime: " + SystemInfo.JAVA_RUNTIME_VERSION,
-                cause);
-    }
-
     @Override
     public boolean isEquivalentTo(PsiElement another) {
         return another instanceof PsiClass && Comparing.equal(((PsiClass)another).getQualifiedName(), getQualifiedName());
diff --git a/compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/LightClassUtil.java b/compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/LightClassUtil.java
index 39da4d1a9ba..d4060de241a 100644
--- a/compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/LightClassUtil.java
+++ b/compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/LightClassUtil.java
@@ -17,9 +17,12 @@
 package org.jetbrains.jet.asJava;
 
 import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.util.SystemInfo;
 import com.intellij.openapi.vfs.VirtualFile;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 import org.jetbrains.jet.lang.psi.JetFile;
+import org.jetbrains.jet.lang.resolve.name.FqName;
 import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
 import org.jetbrains.jet.utils.KotlinVfsUtil;
 
@@ -27,7 +30,7 @@ import java.net.MalformedURLException;
 import java.net.URL;
 
 public class LightClassUtil {
-    private static final Logger LOG = Logger.getInstance(JetLightClass.class);
+    private static final Logger LOG = Logger.getInstance(LightClassUtil.class);
     private static final String DEFINITION_OF_ANY = "Any.jet";
 
     /**
@@ -68,5 +71,14 @@ public class LightClassUtil {
         return url;
     }
 
+    /*package*/ static void logErrorWithOSInfo(@Nullable Throwable cause, @NotNull FqName fqName, @Nullable VirtualFile virtualFile) {
+        String path = virtualFile == null ? "<null>" : virtualFile.getPath();
+        LOG.error(
+                "Could not generate LightClass for " + fqName + " declared in " + path + "\n" +
+                "built-ins dir URL is " + getBuiltInsDirResourceUrl() + "\n" +
+                "System: " + SystemInfo.OS_NAME + " " + SystemInfo.OS_VERSION + " Java Runtime: " + SystemInfo.JAVA_RUNTIME_VERSION,
+                cause);
+    }
+
     private LightClassUtil() {}
 }