Merged V2.2 to HEAD

10982: Merged V2.1 to V2.2
      10273: Fix for ETWOONE-317: Error from regenerate renditions wizard when templates are updated
   10985: Merged V2.1 to V2.2
      10717: Fix for ETWOONE-14: System Error message appears while clicking 'Manage Task' icon in ...
      10742: Fix for ETWOONE-119: A user created with space characters at the begin and at the end can't login
      10758: Fix for ETWOONE-183: URL addressability of forum spaces and topics
      10760: Fix for ETWOONE-339: URL Addressability to discussions causes display issue
      10761: Fix for ETWOONE-196: Attempt to post to the same forum by two or more users simultaneously leads to error appearance and impossibility to post for some of them
      10772: Fix for ETWOONE-225: Validation.js does not properly handle trailing whitespace
   10986: Added Hibernate src to Eclipse project
   11004: Remove annoying exceptions on shutdown
   11005: Minor javadoc fix
   11012: Fixed ETWOTWO-423: Optionally inject the Open Office document converter instance to the transformer


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@11202 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/transaction/TransactionServiceImpl.java

@@ -28,6 +28,7 @@ import javax.transaction.UserTransaction;
 
 import org.alfresco.repo.cache.SimpleCache;
 import org.alfresco.service.transaction.TransactionService;
+import org.alfresco.util.VmShutdownListener;
 import org.alfresco.util.transaction.SpringAwareUserTransaction;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.transaction.TransactionDefinition;
@@ -41,6 +42,8 @@ import org.springframework.transaction.TransactionDefinition;
  */
 public class TransactionServiceImpl implements TransactionService
 {
+    private static VmShutdownListener shutdownListener = new VmShutdownListener("TransactionService");
+
     private PlatformTransactionManager transactionManager;
     private int maxRetries = -1;
     private int minRetryWaitMs = -1;
@@ -79,8 +82,20 @@ public class TransactionServiceImpl implements TransactionService
     
     public boolean isReadOnly()
     {
-    	Boolean allowWrite = (Boolean)sysAdminCache.get(KEY_SYSADMIN_ALLOW_WRITE);
-    	return (allowWrite == null ? false : ! allowWrite);
+        if (shutdownListener.isVmShuttingDown())
+        {
+            return true;
+        }
+        try
+        {
+            Boolean allowWrite = (Boolean)sysAdminCache.get(KEY_SYSADMIN_ALLOW_WRITE);
+            return (allowWrite == null ? false : ! allowWrite);
+        }
+        catch (IllegalStateException e)
+        {
+            // The cache is not working
+            return true;
+        }
     }
     
     /**