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Problem

You are running DFHWS2LS (the CICS web services assistant) and you receive error message: DFHPI9523E An unexpected error occurred whilst processing file "/u/usr/test.wsdl". The problem is: "WSDLException: faultCode=PARSER_ERROR: Problem parsing '- WSDL Document -'.: org.xml.sax.SAXParseException: Content is not allowed in prolog.".

Cause

Characters, including a space, are located before the first XML tag in the WSDL such as:
<?xml version="1.0" encoding="EBCDIC-CP-US"?>

Diagnosing The Problem

The DFHWS2LS LOGFILE has the following error details:

Error Details:

--------------

com.ibm.cics.wsdl.CICSWSDLException: DFHPI9523E An unexpected error occurred whilst processing file "/u/usr/test.wsdl". The problem is: "WSDLException: faultCode=PARSER_ERROR: Problem parsing '- WSDL Document -'.: org.xml.sax.SAXParseException: Content is not allowed in prolog.".

Caused by: javax.wsdl.WSDLException: WSDLException: faultCode=PARSER_ERROR: Problem parsing '- WSDL Document -'.: org.xml.sax.SAXParseException: Content is not allowed in prolog.

Caused by: org.xml.sax.SAXParseException: Content is not allowed in prolog.

If run the WSDL through an Eclipse validation tool (like Eclipse IDE for Java EE Developers), it returns the following error message:

The processing instructions target matching {xX}{mM}{lL} is not allowed.

[{"Product":{"code":"SSGMGV","label":"CICS Transaction Server"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"Web Services","Platform":[{"code":"PF035","label":"z\/OS"}],"Version":"4.2;4.1;3.2;3.1","Edition":"","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]