Resource-based PlatformTransactionManager implementations defensively catch Throwable in doBegin in order to reliably close resource in case of OutOfMemoryError

Issue: SPR-10755
(cherry picked from commit 2e4eb9f)

spring-orm/src/main/java/org/springframework/orm/hibernate3/HibernateTransactionManager.java

@@ -580,7 +580,7 @@ public class HibernateTransactionManager extends AbstractPlatformTransactionMana
 			txObject.getSessionHolder().setSynchronizedWithTransaction(true);
 		}
 
-		catch (Exception ex) {
+		catch (Throwable ex) {
 			if (txObject.isNewSession()) {
 				try {
 					if (session.getTransaction().isActive()) {

spring-orm/src/main/java/org/springframework/orm/jdo/JdoTransactionManager.java

@@ -365,7 +365,7 @@ public class JdoTransactionManager extends AbstractPlatformTransactionManager
 			closePersistenceManagerAfterFailedBegin(txObject);
 			throw ex;
 		}
-		catch (Exception ex) {
+		catch (Throwable ex) {
 			closePersistenceManagerAfterFailedBegin(txObject);
 			throw new CannotCreateTransactionException("Could not open JDO PersistenceManager for transaction", ex);
 		}

spring-orm/src/main/java/org/springframework/orm/jpa/JpaTransactionManager.java

@@ -423,7 +423,7 @@ public class JpaTransactionManager extends AbstractPlatformTransactionManager
 			closeEntityManagerAfterFailedBegin(txObject);
 			throw ex;
 		}
-		catch (Exception ex) {
+		catch (Throwable ex) {
 			closeEntityManagerAfterFailedBegin(txObject);
 			throw new CannotCreateTransactionException("Could not open JPA EntityManager for transaction", ex);
 		}