From edffc8f3c24a17648020b169d9447b8df92f49d0 Mon Sep 17 00:00:00 2001
From: Eugene Zhuravlev <jeka@intellij.com>
Date: Mon, 11 Oct 2010 13:21:36 +0400
Subject: [PATCH] javadoc roots: fix for library located under module dir

---
 .../com/intellij/lang/java/JavaDocumentationProvider.java   | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/java/java-impl/src/com/intellij/lang/java/JavaDocumentationProvider.java b/java/java-impl/src/com/intellij/lang/java/JavaDocumentationProvider.java
index 69a814963da7..e96955333002 100644
--- a/java/java-impl/src/com/intellij/lang/java/JavaDocumentationProvider.java
+++ b/java/java-impl/src/com/intellij/lang/java/JavaDocumentationProvider.java
@@ -701,7 +701,11 @@ public class JavaDocumentationProvider implements CodeDocumentationProvider, Ext
     }
     if (module != null) {
       String[] javadocPaths = ModuleRootManager.getInstance(module).getRootUrls(JavadocOrderRootType.getInstance());
-      return getHttpRoots(javadocPaths, relPath);
+      final List<String> httpRoots = getHttpRoots(javadocPaths, relPath);
+      // if found nothing and the file is from library classes, fall back to order entries
+      if (httpRoots != null || !fileIndex.isInLibraryClasses(virtualFile)) { 
+        return httpRoots;
+      }
     }
 
     final List<OrderEntry> orderEntries = fileIndex.getOrderEntriesForFile(virtualFile);