[jboss-user] [JBoss Seam] - Re: How to build action parameter expression for s:button wi

[ASavitsky]

You should be able to make it working without using the data model, or at least I was able to. Try placing the trackList (it's an EntityQuery, right?) inside a long-running conversation, as it might be that, by the time the playMediaId() is called, the trackList is already expired, so track.id would evaluate to null.

Then again, it's all pure guesswork, it would help to see more configuration than that...

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