From 670a18ea08fc937e36e8f9a5c1b8591cdaa7f3cc Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@jetbrains.com>
Date: Fri, 19 Nov 2010 14:20:25 +0300
Subject: [PATCH] exception tolerance (IDEA-61510)

---
 .../find/findUsages/FindUsagesManager.java     | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java b/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java
index 7d3bc5dd550a..c8b02ab4cd98 100644
--- a/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java
+++ b/platform/lang-impl/src/com/intellij/find/findUsages/FindUsagesManager.java
@@ -123,13 +123,23 @@ public class FindUsagesManager implements JDOMExternalizable {
 
   public boolean canFindUsages(@NotNull final PsiElement element) {
     for (FindUsagesHandlerFactory factory : myHandlers) {
-      if (factory.canFindUsages(element)) {
-        return true;
+      try {
+        if (factory.canFindUsages(element)) {
+          return true;
+        }
+      }
+      catch (Exception e) {
+        LOG.error(e);
       }
     }
     for (FindUsagesHandlerFactory factory : Extensions.getExtensions(FindUsagesHandlerFactory.EP_NAME, myProject)) {
-      if (factory.canFindUsages(element)) {
-        return true;
+      try {
+        if (factory.canFindUsages(element)) {
+          return true;
+        }
+      }
+      catch (Exception e) {
+        LOG.error(e);
       }
     }
     return false;