diff --git a/platform/util/src/com/intellij/util/lang/ClassPath.java b/platform/util/src/com/intellij/util/lang/ClassPath.java
index 4f863bc4a768..7738f9cf6475 100644
--- a/platform/util/src/com/intellij/util/lang/ClassPath.java
+++ b/platform/util/src/com/intellij/util/lang/ClassPath.java
@@ -171,11 +171,10 @@ public class ClassPath {
     }
     return result;
   }
-  
+
   /**
-   * Used in 
-   * @see com.intellij.openapi.projectRoots.JdkUtil#isClassPathJarEnabled(java.util.List, java.lang.String)
-   * as condition that UrlClassLoader supports classpath jars. Please modify it accordingly
+   * Used in com.intellij.openapi.projectRoots.JdkUtil#isClassPathJarEnabled(List, String)
+   * as a condition that UrlClassLoader supports classpath jars. Please modify it accordingly.
    */
   private void initLoaders(final URL url, boolean lastOne, int index) throws IOException {
     String path;
@@ -375,14 +374,14 @@ public class ClassPath {
     }
 
     if (ourOrder == null) {
-      final File orderFile = new File(PathManager.getBinPath() + File.separator + "order.txt");
+      final File orderFile = new File(PathManager.getBinPath(), "order.txt");
       try {
         if (!FileUtil.ensureCanCreateFile(orderFile)) return;
         ourOrder = new PrintStream(new FileOutputStream(orderFile, true));
         ShutDownTracker.getInstance().registerShutdownTask(new Runnable() {
+          @Override
           public void run() {
-            ourOrder.close();
-            System.out.println(ourOrderSize);
+            closeOrderStream();
           }
         });
       }
@@ -402,6 +401,11 @@ public class ClassPath {
     }
   }
 
+  @SuppressWarnings("UseOfSystemOutOrSystemErr")
+  private static synchronized void closeOrderStream() {
+    ourOrder.close();
+    System.out.println(ourOrderSize);
+  }
 
   private static final boolean ourLogTiming = Boolean.getBoolean("idea.print.classpath.timing");
   private static long ourTotalTime = 0;
@@ -425,7 +429,7 @@ public class ClassPath {
       System.out.println(path.toString() + ", requests:" + ourTotalRequests + ", time:" + (ourTotalTime / 1000000) + "ms");
     }
   }
-  
+
   public static String[] loadManifestClasspath(File file) {
     try {
       JarInputStream inputStream = new JarInputStream(new FileInputStream(file));
@@ -445,5 +449,4 @@ public class ClassPath {
     catch (Exception ignore) { }
     return null;
   }
-  
 }