#20 invalid template(s) caused www.ala.org.au outages and other appli…

.travis.yml

@@ -10,6 +10,7 @@ branches:
   - grails3
   - pivotal
   - grails2
+  - ala-bootstrap3-20
 before_cache:
   - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
   - rm -fr $HOME/.gradle/caches/*/plugin-resolution/

build.gradle

@@ -10,7 +10,7 @@ buildscript {
     }
 }
 
-version "3.2.2"
+version "3.2.3-SNAPSHOT"
 group "org.grails.plugins"
 
 apply plugin:"eclipse"

grails-app/taglib/au/org/ala/bootstrap3/HeaderFooterTagLib.groovy

@@ -137,13 +137,15 @@ class HeaderFooterTagLib {
      * @return
      */
     String load(which, attrs) {
-        def content
-        if (hfCache[which].content == "" || (new Date().time > hfCache[which].timestamp + cacheTimeout)) {
-            content = getContent(which)
-            hfCache[which].content = content
-            hfCache[which].timestamp = new Date().time
-        } else {
-            content = hfCache[which].content
+        String newContent
+        String content = hfCache[which].content
+        if (content == "" || (new Date().time > hfCache[which].timestamp + cacheTimeout)) {
+            newContent = getContent(which)
+            if (newContent) {
+                hfCache[which].content = newContent
+                hfCache[which].timestamp = new Date().time
+                content = newContent
+            }
         }
         return transform(content, attrs)
     }
@@ -154,8 +156,6 @@ class HeaderFooterTagLib {
      * @return
      */
     String getContent(which) {
-
-
         def url = headerAndFooterBaseURL + '/' + which + ".html" // Bootstrap versions
         def conn = new URL(url).openConnection()
         try {