#445 Upgrade to EHCache version 3

Author: Igor Polevoy

activejdbc/src/main/java/org/javalite/activejdbc/Configuration.java

@@ -95,6 +95,8 @@ protected Configuration(){
             try{
                 Class cmc = Class.forName(cacheManagerClass);
                 cacheManager = (CacheManager)cmc.newInstance();
+            }catch(InitException e){
+                throw e;
             }catch(Exception e){
                 throw new InitException("failed to initialize a CacheManager. Please, ensure that the property " +
                         "'cache.manager' points to correct class which extends 'org.javalite.activejdbc.cache.CacheManager' class and provides a default constructor.", e);

activejdbc/src/main/java/org/javalite/activejdbc/cache/EHCache3Manager.java

@@ -51,6 +51,10 @@ public EHCache3Manager() throws ClassNotFoundException, SAXException, Instantiat
         XmlConfiguration xmlConfiguration = new XmlConfiguration(url);
 
         cacheTemplate = xmlConfiguration.newCacheConfigurationBuilderFromTemplate("activejdbc", String.class, Object.class);
+
+        if(cacheTemplate == null){
+            throw new InitException("Please, provide a <cache-template name=\"activejdbc\"> element in  activejdbc-ehcache.xml file");
+        }
         cacheManager = CacheManagerBuilder.newCacheManager(xmlConfiguration);
         cacheManager.init();
     }