I am having problem as :
Caused by: org.springframework.transaction.TransactionSystemException: Could not roll back Hibernate transaction; nested exception is org.hibernate.TransactionException: JDBC rollback failed at org.springframework.orm.hibernate3.HibernateTransactionManager.doRollback(Hi bernateTransactionManager.java:677) at org.springframework.transaction.support.AbstractPlatformTransactionManager.d oRollbackOnCommitException(AbstractPlatformTransactionManager.java:850) at org.springframework.transaction.support.AbstractPlatformTransactionManager.p rocessCommit(AbstractPlatformTransactionManager.java:737) at org.springframework.transaction.support.AbstractPlatformTransactionManager.c ommit(AbstractPlatformTransactionManager.java:678) at org.springframework.transaction.interceptor.TransactionAspectSupport.commitT ransactionAfterReturning(TransactionAspectSupport.java:321) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(Tr ansactionInterceptor.java:116) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(Reflect iveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopPro xy.java:204) at $Proxy57.generateReport(Unknown Source) ... 106 more Caused by: org.hibernate.TransactionException: JDBC rollback failed at org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:204) at org.springframework.orm.hibernate3.HibernateTransactionManager.doRollback(Hi bernateTransactionManager.java:674) ... 114 more Caused by: java.sql.SQLException: Couldn't perform the operation rollback: You can't perform any operations on this connection. It has been automatically closed by Proxool for some reason (see logs). at org.logicalcobwebs.proxool.WrappedConnection.invoke(WrappedConnection.java:2 07) at org.logicalcobwebs.proxool.WrappedConnection.intercept(WrappedConnection.jav a:87) at org.postgresql.PGConnection$$EnhancerByProxool$$4e6ef3b1.rollback(<generated >) at org.hibernate.transaction.JDBCTransaction.rollbackAndResetAutoCommit(JDBCTra nsaction.java:217) at org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:196) ... 115 more Pls guide me.Thanks you.