What is the _afrLoop URL parameter for?

When running ADF applications using the ADF Faces you see the _afrLoop token added to the URL looking like: _afrLoop=1039335694640519 . A frequent question in regard to this token is "can I get rid of the _afrLoop token in the URL?". The answer is no and has to do with why this token is needed. The _afrLoop param is an ADF internal parameter that is used to detect new browser windows to be opened - e.g. using ctrl+N - and also helps detecting PPR navigation. Removing this token will disable this functionality and lead to the framework to malfunction. So don't attempt removing this.

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A blog on Oracle JDeveloper, ADF, MAF, MCS and other mobile and web topics inspired by questions and answers posted on the OTN forums.



Frank Nimphius

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