OSB 2.6: Polling Proxy Service Fires Twice on Error
Last updated on NOVEMBER 03, 2016
Applies to:Oracle Service Bus - Version 2.6 and later
Information in this document applies to any platform.
Consider the example of a file proxy (file transport) but issue is presumably similar for all polling proxies.
Customer had a file proxy set up to poll for certain files. In the pipeline of the proxy, another proxy service is invoked to check the format of the incoming file. This is done within a transaction. If the file is good, execution completes as expected. If the file is deemed bad, an error is raised. The file proxy executes twice every time an exception is raised, causing undesirable twofold compensatory actions.
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