[xsl] Xalan Java TransformerException?

["Sudhir Malhotra" <sudhirmalhotra123@xxxxxxxxxxx>]

I am getting the following exception:

javax.xml.transform.TransformerException: For extension function, could not 
find method java.lang.String.format([ExpressionContext,] #UNKNOWN 
(java.util.Date))

For the following XSL fragment :
<xsl:stylesheet version="1.0" 
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
xmlns:java="http://xml.apache.org/xslt/java";
extension-element-prefixes="java"
exclude-result-prefixes="java">

<!-- formatter is type java.text.SimpleDateFormat -->
	<xsl:param name="formatter"/>
<!-- request is type java.Util.HashMap -->
	<xsl:param name="requestMap"/>

	<xsl:variable name="StartTime" 
select="java:get($requestMap,'AnalyticsStartTime')"/>
	<xsl:variable name="AnalyticsStartTime" select="java:format($formatter,  
$StartTime)"/>


Questions:
1. Why does the XSL complier think format() is being called for a String?

When I resolve format() completely as follows:
<xsl:variable name="AnalyticsStartTime" 
select="java:java.text.SimpleDateFormat.format($formatter,  $StartTime)"/>

The exception is:
For extension function, could not find method static 
java.text.SimpleDateFormat.format([ExpressionContext,] #STRING, #UNKNOWN 
(java.util.Date)).


2. How can I fix this?

Thanks a lot for your help and suggestions.

Sudhir
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