For container-managed transactions, you control the transaction timeout interval by setting the value of the transaction.timeout property in the default.properties file, which is in the config directory of your J2EE SDK installation. For example, you would set the timeout value to 5 seconds as follows:
With this setting, if the transaction has not completed within 5 seconds, the EJB container rolls it back.
When the J2EE SDK is first installed, the timeout value is set to 0:
If the value is 0, the transaction will not time out.
Only enterprise beans with container-managed transactions are affected by the transaction.timeout property. For enterprise beans with bean-managed JTA ...