Hack-fix for Repository start/stop issues

- Nick will investigate further
 - JBPM is shutting down Hibernate (along with shared resources) in a finalize()


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@19135 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/cache/InternalEhCacheManagerFactoryBean.java

@@ -190,6 +190,14 @@ public class InternalEhCacheManagerFactoryBean implements FactoryBean<CacheManag
      */
     public void stop()
     {
+        // TODO: Does this port over different Locales?
+        // Better to override DbPersistenceServiceFactory#close to put a marker on the thread.
+        if (Thread.currentThread().getName().contains("Finalizer"))
+        {
+            // Probably JBPM's finalizer code ... we rely on Spring context calls rather
+            return;
+        }
+        
         synchronized (getClass())
         {
             if(logger.isDebugEnabled()) {
@@ -199,8 +207,11 @@ public class InternalEhCacheManagerFactoryBean implements FactoryBean<CacheManag
                }
             }
             
-            InternalEhCacheManagerFactoryBean.getInstance().shutdown();
-            initialized = false;
+            if (initialized)            // Avoid re-initialization if it has already been shut down
+            {
+                InternalEhCacheManagerFactoryBean.getInstance().shutdown();
+                initialized = false;
+            }
         }
     }