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Error when I select a given data p:datatable

+Pie Number of slices to send: Send
My dataTable of primefaces



my listagem.xhtml

when I select any of a given table

it returns me the following error





someone help?
I used primefaces 3.5

jsf 2.1
+Pie Number of slices to send: Send
Always try to minimize the amount of example code you post. One of the downsides of getting free help is that when you post something that overflows the screen, it's a lot harder for us to get motivated to wade through it.

I think your problem is here:


EL is not intended as a programming language. Programming should be done on the Model, not on the View. In particular, read/write property references, such as those made by "value=" are unsuited for programmatic access, since Java doesn't return references to objects, it returns objects, and a method call is effectively only going to read and not write.

So try this instead:

>
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