From 8b40b45d014caad440284dce70841ecc79298652 Mon Sep 17 00:00:00 2001
From: Greg Bowyer <gbowyer@apache.org>
Date: Sun, 9 Sep 2012 00:02:56 +0000
Subject: [PATCH] SOLR-3784: Prevent Javascript UI hangs due to similarity

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1382385 13f79535-47bb-0310-9956-ffa450edef68
---
 solr/webapp/web/js/scripts/schema-browser.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/solr/webapp/web/js/scripts/schema-browser.js b/solr/webapp/web/js/scripts/schema-browser.js
index e222fd15301..f265d979ad4 100644
--- a/solr/webapp/web/js/scripts/schema-browser.js
+++ b/solr/webapp/web/js/scripts/schema-browser.js
@@ -887,10 +887,12 @@ sammy.get
         var similarity_element = $( 'dt.similarity', options_element );
         if ( is_t && schema_browser_data.types[field] && schema_browser_data.types[field].similarity ) {
             var similarity = schema_browser_data.types[field].similarity
-            $( 'dd.similarity', options_element ).remove();
-            similarity_element
-                .show()
-                .after(['<dd class="similarity">', similarity.details.esc(), ' (', similarity.className.esc(), ') </dd>'].join(""));
+            if (similarity.details && similarity.className) {
+                $( 'dd.similarity', options_element ).remove();
+                similarity_element
+                    .show()
+                    .after(['<dd class="similarity">', similarity.details.esc(), ' (', similarity.className.esc(), ') </dd>'].join(""));
+            }
         } else {
             $( '.similarity', options_element ).hide();
         }