1783581 - Error: "org.xml.sax.SAXParseException: Content is not allowed in prolog" when parsing stack.xml file | SAP Knowledge Base Article

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1783581 - Error: "org.xml.sax.SAXParseException: Content is not allowed in prolog" when parsing stack.xml file

Symptom

Upgrade stops with the following error fragment: "org.xml.sax.SAXParseException: Content is not allowed in prolog"

This occurs right after an operation where the stack.xml has been read. It cannot be parsed.

The following error message could also be seen in the TroubleTicket_xx.txt:

The execution of step Find LUP.SAR file of action configure ended in error. Service com.sap.sdt.j2ee.services.servicesimpl.SPStackService failed with message:
The archive Z:/SX7/NW7.30EHP1SPS4_DOWNLOADS/LUP.SAR described in stack Z:\SX7\NW7.30EHP1SPS4_DOWNLOADS\stack.xml is not valid. Check whether it exists and whether it is a file.

OR

An error has occurred during the execution of the Find LUP.SAR file step with action configure. Service com.sap.sdt.j2ee.services.servicesimpl.SPStackService failed with the following message:
Could not find SL Controller component in the stack file /software/EP731/SEP73stack.xml.

Please note that the error messages above are examples only.

 

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Product

SAP NetWeaver 2004 ; SAP NetWeaver 7.0 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

Keywords

Could not find SL Controller component in the stack file, Find LUP.SAR, hex character, UPG, KBA , KBA , BC-UPG-TLS-TLJ , Upgrade tools for Java , Problem

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