From 8cd684dac7810457fbcba02f28b21f9cc3622e4b Mon Sep 17 00:00:00 2001
From: "Vladislav.Soroka" <Vladislav.Soroka@jetbrains.com>
Date: Thu, 17 Sep 2015 15:40:22 +0300
Subject: [PATCH] maven: fix wrong calculation of crc for filterExclusions
 config

---
 .../org/jetbrains/idea/maven/project/MavenProjectsTree.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenProjectsTree.java b/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenProjectsTree.java
index 1491e3fe3e44..e4e5ad761621 100644
--- a/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenProjectsTree.java
+++ b/plugins/maven/src/main/java/org/jetbrains/idea/maven/project/MavenProjectsTree.java
@@ -903,7 +903,7 @@ public class MavenProjectsTree {
     if (customNonFilteredExtensions.isEmpty()) {
       return Collections.emptySet();
     }
-    return Collections.unmodifiableCollection(customNonFilteredExtensions);
+    return Collections.unmodifiableList(customNonFilteredExtensions);
   }
 
   public int getFilterConfigCrc(ProjectFileIndex fileIndex) {