P:fileUpload doesn't invoke with JSF template that contains JQuery?

PrimeFaces already ships with jQuery and jQuery UI bundled. It might have conflicted with your jQuery libraries which you added manually and hence cause all PrimeFaces components which depend on assistance of jQuery to fail. Also the value of jQuery datatables is questionable as the PrimeFaces p:dataTable practically supports almost everything also supported by jQuery DataTables plugin.

Explore the p:dataTable showcase to learn about all of its capabilities.

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