JDO PersistenceManager synchronization performs close attempt after completion (if necessary; SPR-8846)

org.springframework.orm/src/main/java/org/springframework/orm/jdo/PersistenceManagerFactoryUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2009 the original author or authors.
+ * Copyright 2002-2011 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -323,6 +323,11 @@ public abstract class PersistenceManagerFactoryUtils {
 			return this.newPersistenceManager;
 		}
 
+		@Override
+		protected boolean shouldReleaseAfterCompletion(PersistenceManagerHolder resourceHolder) {
+			return !resourceHolder.getPersistenceManager().isClosed();
+		}
+
 		@Override
 		protected void releaseResource(PersistenceManagerHolder resourceHolder, PersistenceManagerFactory resourceKey) {
 			releasePersistenceManager(resourceHolder.getPersistenceManager(), resourceKey);