xslt "with-param" and "call-template" within the same file

The main issue is that your stylesheet will not load as a valid stylesheet

You are using a variable or parameter that is not declared in the scope where it is used
<xsl:if test="$inputData='0'">
Unless your stylesheet is imported in a bigger one, you need a declaration of the parameter

try starting your stylesheet like this

<xsl:stylesheet 
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
    <xsl:param name="inputData" select="0"></xsl:param>

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mccarl is right about the two attributes on the named template
In XSLT1 a template should have only a @name OR an @match, not both

BUT that should not stop the processor from doing the right thing
you will get an "ambiguous rule match warning", but the processing should happen correctly
(as per specification. I have tested that on 6 different XSLT processors and they all do what you would have expected, no access to IBM DataPower however)

That's it. Removing "Match" did the trick. Thanks McCarl

Thanks Geert. Yes, you are correct about the warning too. When I compiled that original code in XMLSpy, much to my frustration, it did not warn me. And when I ran it against the DataPower compiler, I did get a warning but nothing around the area of "Match" keyword not needed.

Your welcome! :)

What strikes me is.... did your code work without declaring the $inputData?

well, your warning tells you that you have too many templates with match="/"

Can I piggyback another question? Say, if I want to call a template and pass a value as a parameter based on a condition. Sorry if it is confusing but here is the code I have:

<xsl:choose>
	<xsl:when test="$rowsReturnedExtensions > '0'">
		<xsl:call-template name="RetryAttemptValueNonZero">
			<xsl:with-param name="paramCSOPhoneNumber" select="$ExtensionsCSOPhoneNumber"/>
		</xsl:call-template>
	</xsl:when>
	<xsl:otherwise>
		<xsl:variable name="resultAccounts" select="dp:sql-execute('OrclDBConnxn',$queryAccountsTable)"/>
		<xsl:variable name="AccountsCSOPhoneNumber" select="string-length($resultAccounts/sql/row/column[3]/value)"/>
		<xsl:call-template name="RetryAttemptValueNonZero">
			<xsl:with-param name="paramCSOPhoneNumber" select="$AccountsCSOPhoneNumber"/>
		</xsl:call-template>
	</xsl:otherwise>
</xsl:choose>  

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The template being called:

<xsl:template name="RetryAttemptValueNonZero"> 
    	<xsl:param name="paramCSOPhoneNumber"/>  
        <xsl:message> <xsl:value-of select="$paramCSOPhoneNumber"/></xsl:message> 
</xsl:template>

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So, when I execute this code, I am getting errors in DataPower (again, not in XMLSpy. I am hating it when it happens). I had to remove/comment out the place where I am passing the parameter (paramCSOPhoneNumber). I am sure I am doing something wrong here but I am hoping there is another way to accomplish this.

Yes Geert. I deleted it accidentally when I edit-pasted the piece of code on here. Originally, I am retrieving the $inputData

What is the error that you are getting? I assume that the variable "ExtensionsCSOPhoneNumber" is defined?

yessir, it is. I am attaching the complete code file.
Logic.xsl

What is the error that you are getting?

I was hoping that you could answer THAT question too?

But looking at the real XSL now, I would be pretty sure that the problem lies in the datapower (dp) extensions. Because I don't have that product, I can't run your XSL as is. However, by removing all the references to dp: functions and replacing what's left with just some test data, the whole thing runs fine with no errors at all. (Using both MSXML3 and Saxon 9 HE)

So without an error message, it is very hard to help further.