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TIBCO iProcess® Engine 11.9.1

# IAPJMS_ROLLBACK

Activity Monitoring and Work Queue Delta Configuration

## Summary

This attribute defines whether or not failed message transactions should be rolled back.

## Applies To

This attribute must be set for ALL processes.

## Permissible Values

The attribute value must be one of the following:

Value | Meaning
0 | The iProcess Engine transaction succeeds and is committed even if the message fails. This means that failed JMS messages cause an error to be written to the `sw_error` file but the failed message transaction is not rolled back.
1 | Any error causes the `BG` process to fail the current instruction and roll back any outstanding iProcess Engine transactions.

## Default Value

The attribute is assigned the following default values when iProcess Engine is installed.

Machine ID | Process | Instance | Value
0 | ALL | 0 | 1

## Notes

To ensure reliable message delivery, TIBCO recommends that the value of this attribute be set to `1`. This means that failed JMS messages cause an error to be written to the `sw_error` file and are rolled back. For more information about log files, see iProcess Engine Log Files.

## See Also

IAPJMS_PUBLISH, IAPJMS_PORTNO, IAPJMS_SYNCHRONOUS, IAPJMS_TOPICNAME, IAPJMS_SIMPLETOPIC, JVMPROPS, SWLIB_PATH

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