"Namespace for prefix 'xsi' has not been declared." when using XmlSlurper

whisstuan.nguyen · June 16, 2021, 4:08am

I’m having a rather confusing problem. I’m using XmlSlurper to parse XML into a document.
Some my previous scripts worked fine, but today I used it for a new one, I got the error: “Namespace for prefix ‘xsi’ has not been declared.”.
One thing I can see, this new script is only different from the others in that it returns more results, everything else is the same. But I don’t know why does it get the error?
Are there any solution?. Please help me to check it. Thanks

Caused by: java.lang.RuntimeException: Namespace for prefix 'xsi' has not been declared.

For trouble shooting, please visit: https://docs.katalon.com/katalon-studio/docs/troubleshooting.html
================================================

06-16-2021 10:47:22 AM Test Cases/Get Login Info

Elapsed time: 3.069s

Test Cases/Get Login Info FAILED.
Reason:
javax.xml.transform.TransformerException: java.lang.RuntimeException: Namespace for prefix 'xsi' has not been declared.
	at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:737)
	at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:343)
	at com.kms.katalon.core.testobject.ResponseObject.nodeToString(ResponseObject.java:137)
	at com.kms.katalon.core.testobject.ResponseObject.getResponseBodyContent(ResponseObject.java:79)
	at Get Login Info.run(Get Login Info:36)
	at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194)
	at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119)
	at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:398)
	at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:389)
	at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:368)
	at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:360)
	at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:255)
	at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:114)
	at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:105)
	at com.kms.katalon.core.main.TestCaseMain$runTestCase$0.call(Unknown Source)
	at TempTestCase1623815236449.run(TempTestCase1623815236449.groovy:25)
Caused by: java.lang.RuntimeException: Namespace for prefix 'xsi' has not been declared.
	at com.sun.org.apache.xml.internal.serializer.SerializerBase.getNamespaceURI(SerializerBase.java:915)
	at com.sun.org.apache.xml.internal.serializer.SerializerBase.addAttribute(SerializerBase.java:431)
	at com.sun.org.apache.xml.internal.serializer.ToUnknownStream.addAttribute(ToUnknownStream.java:316)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:201)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:230)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:230)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:230)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:230)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:94)
	at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(TransformerImpl.java:684)
	at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:728)
	at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:343)
	at com.kms.katalon.core.testobject.ResponseObject.nodeToString(ResponseObject.java:137)
	at com.kms.katalon.core.testobject.ResponseObject.getResponseBodyContent(ResponseObject.java:79)
	at Script1623384506433.run(Script1623384506433.groovy:36)
	... 11 more
---------
java.lang.RuntimeException: Namespace for prefix 'xsi' has not been declared.
	at com.sun.org.apache.xml.internal.serializer.SerializerBase.getNamespaceURI(SerializerBase.java:915)
	at com.sun.org.apache.xml.internal.serializer.SerializerBase.addAttribute(SerializerBase.java:431)
	at com.sun.org.apache.xml.internal.serializer.ToUnknownStream.addAttribute(ToUnknownStream.java:316)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:201)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:230)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:230)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:230)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:230)
	at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(DOM2TO.java:94)
	at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(TransformerImpl.java:684)
	at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:728)
	at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(TransformerImpl.java:343)
	at com.kms.katalon.core.testobject.ResponseObject.nodeToString(ResponseObject.java:137)
	at com.kms.katalon.core.testobject.ResponseObject.getResponseBodyContent(ResponseObject.java:79)
	at Script1623384506433.run(Script1623384506433.groovy:36)
	at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194)
	at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119)
	at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:398)
	at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:389)
	at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:368)
	at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:360)
	at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:255)
	at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:114)
	at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:105)
	at com.kms.katalon.core.main.TestCaseMain$runTestCase$0.call(Unknown Source)
	at TempTestCase1623815236449.run(TempTestCase1623815236449.groovy:25)

kazurayam · June 16, 2021, 7:04am

Please show the value of xmlresult variable by inserting a debug print:

String xmlresult = _response.responseBodyContent()

println(xmlresult)

as I guess the value of xmlresult (a XML) is slightly malformed. See https://stackoverflow.com/questions/33693341/error-namespace-for-prefix-xsi-has-not-been-declared

whisstuan.nguyen · June 16, 2021, 9:06am

I noticed that this error pops up right from here: String xmlresult = _response.responseBodyContent()
so you are right, maybe the return value is slightly malformed. I will check it.
Do you have any other solution to get the xml result?

kazurayam · June 16, 2021, 9:20am

You should read the javadoc of RequestObject:

https://docs.katalon.com/javadoc/com/kms/katalon/core/testobject/ResponseObject.html

whisstuan.nguyen · June 16, 2021, 9:44am

@kazurayam I fixed the issue.
I downgraded from KS 7.9.1 to KS 7.7.2, and I still got the issue. But, when I added the library selenium-server-standalone-3.7.1.jar to \configuration\resources\lib , It worked fine.

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"Namespace for prefix 'xsi' has not been declared." when using XmlSlurper

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