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REST job Response cannot parse XPath query.

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Article ID: 186413

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Updated On:

Products

CA Automic Workload Automation - Automation Engine CA Automic Workload Automation - Automation Engine

Issue/Introduction

A RA Web Service Rest job cannot utilize XPath parsing the response. The following exception is shown:

Error: there was a problem with parsing...
 java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException:  java.lang.Exception: ERROR Cannot execute query.
ch.ethz.mxquery.exceptions.DynamicException: Error creating validating input: org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 1; The document type declaration for root element type "ChannelAdminResult" must end with '>'.
Used script:
exists(//AdminErrorInformation)




Cause

The line <!DOCTYPE ChannelAdminResult SYSTEM "/AdapterFramework/channelAdmin/ChannelAdmin.dtd">  points to an external dtd.
The XPath parser tries to resolve the address, but cannot do so, because its not a valid URL.

Environment

Release : 4.5.0
Component : RA WEB SERVICE REST

Resolution

Either remove the line <!DOCTYPE ChannelAdminResult SYSTEM "/AdapterFramework/channelAdmin/ChannelAdmin.dtd">, or use Groovy to parse the response.

Expression:

String s = input as String
s.indexOf ('<AdminErrorInformation>') >= 0

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