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PostHeaderIcon (long tweet) This page calls for XML namespace declared with prefix body but no taglibrary exists for that namespace.

Case

On creating a new JSF 2 page, I get the following warning when the page is displayed:

Warning: This page calls for XML namespace declared with prefix body but no taglibrary exists for that namespace.

Fix

In the XHTML page, replace the HTML 4 headers:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<html>...</html>

with XHTML headers:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:h="http://java.sun.com/jsf/html">
...</html>

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