How can i rollback the tasks done by webservice?

Hi,
    I am implementing a webservice.
    Which posts data in a DB as well as SAP.
    posting data into DB has to be implemented by calling ejb.
    posting data into SAP has to be implemented by calling XI webservice.
    For this i am assuming like this way...............
    Call the ejb to post data into DB.
    Call the XI webservice to post data into SAP.
    If XI webservice is executed properly then commit the transaction to post data   into DB.
    But there may be another possibility ...........
     While commiting the transaction if any exception comes ,
     How can i rollback the XI webservice?Is it possible to rollback the webservice
     after it is executed?
     Can any one guide me.
Regards
Madhu

The other solution could be the XI WebSerice should handle multiple targets which I mean, instead of two separate calls to DB and XI you can have single call to XI WebService which will take care of SAP transaction as well as DB transaction with JDBC Adapter. I am not a XI expert but as per my knowledge you can achieve this through BPM.
Regards
Abhilash

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Another solution would be to add security to MAX such that only engineers with proper permissions could launch and/or modify the tasks. This can be done with Windows XP in the properties of a file.
I hope these suggestions help! Have a great weekend.
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Message Edited by Matthew W on 08-10-2007 02:13 PM
Attachments:
DAQmxTasks.JPG ‏97 KB

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How can i rollback the tasks done by webservice?

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