Java.sql.SQLException:Couldn ' t perform the operation Setautocommit

Java.sql.SQLException:Couldn ' t perform the operation Setautocommit:you can ' t perform any operations on ThisConnection. It has been automatically closed by Proxool forsome reason (see logs). [2014-09-15 11:59:25] ERROR org.hibernate.transaction.JDBCTransaction-Could not toggle autocommitjava.sql.SQLException:Couldn' t perform the operation Setautocommit:you can ' t perform any operations on ThisConnection. It has been automatically closed by Proxool forsome reason (see logs). [2014-09-15 11:59:25] ERROR org.hibernate.transaction.JDBCTransaction-JDBC rollback FAILEDJAVA.SQL.SQLEXCEPTION:COULDN' t perform the operation Rollback:you can ' t perform any operations on ThisConnection. It has been automatically closed by Proxool forsome reason (see logs). [2014-09-15 11:59:25] ERROR org.springframework.transaction.interceptor.TransactionInterceptor-application Exception overridden by rollback Exceptionorg.springframework.transaction.TransactionSystemException:Could not commit JDBC transaction; Nested exception is JAVA.SQL.SQLEXCEPTION:COULDN' t perform the operation Commit:you can ' t perform any operations on ThisConnection. It has been automatically closed by Proxool forsome reason (see logs). Caused By:org.hibernate.TransactionException:JDBC rollback failed at Org.hibernate.transaction.JDBCTransaction.rollback (Jdbctransaction.java:200) at Org.springframework.orm.hibernate3.HibernateTransactionManager.doRollback ( Hibernatetransactionmanager.java:676)    ... 87morecaused by:java.sql.SQLException:Couldn' t perform the operation Rollback:you can ' t perform any operations on ThisConnection. It has been automatically closed by Proxool forsome reason (see logs). At Org.logicalcobwebs.proxool.WrappedConnection.invoke (Wrappedconnection.java:207) at Org.logicalcobwebs.proxool.WrappedConnection.intercept (Wrappedconnection.java:87) at $java. sql.connection$ $EnhancerByProxool $$9ebf70db.rollback (<generated>) at Org.hibernate.transaction.JDBCTransaction.rollbackAndResetAutoCommit (Jdbctransaction.java:213) at Org.hibernate.transaction.JDBCTransaction.rollback (Jdbctransaction.java:192)    ... More

The transaction is controlled by spring. And the transaction is time-limited ... Open the transaction while writing the program, and then go to call WebServices. Causes the transaction to time out.

Java.sql.SQLException:Couldn ' t perform the operation Setautocommit