Confluence xml Import Error NoSuchMethod

I am trying to import on-premise confluence instance to xwiki and always I get the following error in the middle of import regardless of how small the import is:

'void org.xwiki.rendering.internal.parser.wikimodel.WikiModelParserUtils.parseInline(org.xwiki.rendering.parser.StreamParser, java.lang.String, org.xwiki.rendering.listener.Listener, boolean)'
class java.lang.NoSuchMethodError: 'void org.xwiki.rendering.internal.parser.wikimodel.WikiModelParserUtils.parseInline(org.xwiki.rendering.parser.StreamParser, java.lang.String, org.xwiki.rendering.listener.Listener, boolean)'
    at org.xwiki.contrib.confluence.parser.xhtml.internal.wikimodel.ConfluenceXWikiGeneratorListener.onReference(ConfluenceXWikiGeneratorListener.java:180)
    at org.xwiki.rendering.wikimodel.impl.InternalWikiScannerContext.onReference(InternalWikiScannerContext.java:1093)
    at org.xwiki.rendering.wikimodel.impl.WikiScannerContext.onReference(WikiScannerContext.java:621)
    at org.xwiki.contrib.confluence.parser.xhtml.internal.wikimodel.LinkTagHandler.end(LinkTagHandler.java:87)
    at org.xwiki.rendering.wikimodel.xhtml.handler.TagHandler.endElement(TagHandler.java:85)
    at org.xwiki.rendering.wikimodel.xhtml.impl.TagContext.endElement(TagContext.java:81)
    at org.xwiki.rendering.wikimodel.xhtml.impl.TagStack.endElement(TagStack.java:123)
    at org.xwiki.rendering.wikimodel.xhtml.impl.XhtmlHandler.endElement(XhtmlHandler.java:196)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.endElement(XMLFilterImpl.java:570)
    at org.xwiki.rendering.wikimodel.xhtml.filter.XHTMLWhitespaceXMLFilter.sendInlineEvent(XHTMLWhitespaceXMLFilter.java:302)
    at org.xwiki.rendering.wikimodel.xhtml.filter.XHTMLWhitespaceXMLFilter.sendPreviousContent(XHTMLWhitespaceXMLFilter.java:291)
    at org.xwiki.rendering.wikimodel.xhtml.filter.XHTMLWhitespaceXMLFilter.flushContent(XHTMLWhitespaceXMLFilter.java:332)
    at org.xwiki.rendering.wikimodel.xhtml.filter.XHTMLWhitespaceXMLFilter.flushContent(XHTMLWhitespaceXMLFilter.java:314)
    at org.xwiki.rendering.wikimodel.xhtml.filter.XHTMLWhitespaceXMLFilter.endElement(XHTMLWhitespaceXMLFilter.java:183)
    at org.xwiki.contrib.confluence.parser.xhtml.internal.wikimodel.ConfluenceXHTMLWhitespaceXMLFilter.endElement(ConfluenceXHTMLWhitespaceXMLFilter.java:90)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.endElement(XMLFilterImpl.java:570)
    at org.xwiki.rendering.wikimodel.xhtml.filter.AccumulationXMLFilter.endElement(AccumulationXMLFilter.java:86)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.endElement(XMLFilterImpl.java:570)
    at org.xwiki.rendering.wikimodel.xhtml.filter.DTDXMLFilter.endElement(DTDXMLFilter.java:86)
    at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
    at org.apache.xerces.impl.dtd.XMLDTDValidator.endNamespaceScope(Unknown Source)
    at org.apache.xerces.impl.dtd.XMLDTDValidator.handleEndElement(Unknown Source)
    at org.apache.xerces.impl.dtd.XMLDTDValidator.endElement(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
    at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
    at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:357)
    at org.xwiki.rendering.wikimodel.xhtml.filter.DefaultXMLFilter.parse(DefaultXMLFilter.java:58)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:357)
    at org.xwiki.rendering.wikimodel.xhtml.filter.DefaultXMLFilter.parse(DefaultXMLFilter.java:58)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:357)
    at org.xwiki.rendering.wikimodel.xhtml.filter.DefaultXMLFilter.parse(DefaultXMLFilter.java:58)
    at org.xwiki.rendering.wikimodel.xhtml.XhtmlParser.parse(XhtmlParser.java:134)
    at org.xwiki.rendering.internal.parser.wikimodel.AbstractWikiModelParser.parse(AbstractWikiModelParser.java:134)
    at org.xwiki.contrib.confluence.parser.xhtml.internal.ConfluenceXHTMLParser.parse(ConfluenceXHTMLParser.java:246)
    at org.xwiki.rendering.internal.parser.wikimodel.AbstractWikiModelParser.parse(AbstractWikiModelParser.java:114)
    at org.xwiki.contrib.confluence.parser.xhtml.internal.ConfluenceXHTMLInputFilterStream.read(ConfluenceXHTMLInputFilterStream.java:115)
    at org.xwiki.contrib.confluence.parser.xhtml.internal.ConfluenceXHTMLInputFilterStream.read(ConfluenceXHTMLInputFilterStream.java:47)
    at org.xwiki.filter.input.AbstractBeanInputFilterStream.read(AbstractBeanInputFilterStream.java:79)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.parse(ConfluenceInputFilterStream.java:817)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.convertToXWiki21(ConfluenceInputFilterStream.java:786)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.readPageRevision(ConfluenceInputFilterStream.java:644)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.readPageRevision(ConfluenceInputFilterStream.java:559)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.readPage(ConfluenceInputFilterStream.java:447)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.readInternal(ConfluenceInputFilterStream.java:202)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.read(ConfluenceInputFilterStream.java:138)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.read(ConfluenceInputFilterStream.java:84)
    at org.xwiki.filter.input.AbstractBeanInputFilterStream.read(AbstractBeanInputFilterStream.java:79)
    at org.xwiki.filter.internal.job.FilterStreamConverterJob.runInternal(FilterStreamConverterJob.java:97)
    at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:243)
    at org.xwiki.job.AbstractJob.run(AbstractJob.java:220)
    at org.xwiki.filter.script.internal.ScriptFilterStreamConverterJob.run(ScriptFilterStreamConverterJob.java:75)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at java.base/java.lang.Thread.run(Thread.java:829)

I am trying to import on-premise confluence instance to xwiki and always I get the following error in the middle of import regardless of how small the import is:

'void org.xwiki.rendering.internal.parser.wikimodel.WikiModelParserUtils.parseInline(org.xwiki.rendering.parser.StreamParser, java.lang.String, org.xwiki.rendering.listener.Listener, boolean)'
class java.lang.NoSuchMethodError: 'void org.xwiki.rendering.internal.parser.wikimodel.WikiModelParserUtils.parseInline(org.xwiki.rendering.parser.StreamParser, java.lang.String, org.xwiki.rendering.listener.Listener, boolean)'
    at org.xwiki.contrib.confluence.parser.xhtml.internal.wikimodel.ConfluenceXWikiGeneratorListener.onReference(ConfluenceXWikiGeneratorListener.java:180)
    at org.xwiki.rendering.wikimodel.impl.InternalWikiScannerContext.onReference(InternalWikiScannerContext.java:1093)
    at org.xwiki.rendering.wikimodel.impl.WikiScannerContext.onReference(WikiScannerContext.java:621)
    at org.xwiki.contrib.confluence.parser.xhtml.internal.wikimodel.LinkTagHandler.end(LinkTagHandler.java:87)
    at org.xwiki.rendering.wikimodel.xhtml.handler.TagHandler.endElement(TagHandler.java:85)
    at org.xwiki.rendering.wikimodel.xhtml.impl.TagContext.endElement(TagContext.java:81)
    at org.xwiki.rendering.wikimodel.xhtml.impl.TagStack.endElement(TagStack.java:123)
    at org.xwiki.rendering.wikimodel.xhtml.impl.XhtmlHandler.endElement(XhtmlHandler.java:196)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.endElement(XMLFilterImpl.java:570)
    at org.xwiki.rendering.wikimodel.xhtml.filter.XHTMLWhitespaceXMLFilter.sendInlineEvent(XHTMLWhitespaceXMLFilter.java:302)
    at org.xwiki.rendering.wikimodel.xhtml.filter.XHTMLWhitespaceXMLFilter.sendPreviousContent(XHTMLWhitespaceXMLFilter.java:291)
    at org.xwiki.rendering.wikimodel.xhtml.filter.XHTMLWhitespaceXMLFilter.flushContent(XHTMLWhitespaceXMLFilter.java:332)
    at org.xwiki.rendering.wikimodel.xhtml.filter.XHTMLWhitespaceXMLFilter.flushContent(XHTMLWhitespaceXMLFilter.java:314)
    at org.xwiki.rendering.wikimodel.xhtml.filter.XHTMLWhitespaceXMLFilter.endElement(XHTMLWhitespaceXMLFilter.java:183)
    at org.xwiki.contrib.confluence.parser.xhtml.internal.wikimodel.ConfluenceXHTMLWhitespaceXMLFilter.endElement(ConfluenceXHTMLWhitespaceXMLFilter.java:90)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.endElement(XMLFilterImpl.java:570)
    at org.xwiki.rendering.wikimodel.xhtml.filter.AccumulationXMLFilter.endElement(AccumulationXMLFilter.java:86)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.endElement(XMLFilterImpl.java:570)
    at org.xwiki.rendering.wikimodel.xhtml.filter.DTDXMLFilter.endElement(DTDXMLFilter.java:86)
    at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
    at org.apache.xerces.impl.dtd.XMLDTDValidator.endNamespaceScope(Unknown Source)
    at org.apache.xerces.impl.dtd.XMLDTDValidator.handleEndElement(Unknown Source)
    at org.apache.xerces.impl.dtd.XMLDTDValidator.endElement(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
    at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
    at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
    at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
    at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:357)
    at org.xwiki.rendering.wikimodel.xhtml.filter.DefaultXMLFilter.parse(DefaultXMLFilter.java:58)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:357)
    at org.xwiki.rendering.wikimodel.xhtml.filter.DefaultXMLFilter.parse(DefaultXMLFilter.java:58)
    at java.xml/org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:357)
    at org.xwiki.rendering.wikimodel.xhtml.filter.DefaultXMLFilter.parse(DefaultXMLFilter.java:58)
    at org.xwiki.rendering.wikimodel.xhtml.XhtmlParser.parse(XhtmlParser.java:134)
    at org.xwiki.rendering.internal.parser.wikimodel.AbstractWikiModelParser.parse(AbstractWikiModelParser.java:134)
    at org.xwiki.contrib.confluence.parser.xhtml.internal.ConfluenceXHTMLParser.parse(ConfluenceXHTMLParser.java:246)
    at org.xwiki.rendering.internal.parser.wikimodel.AbstractWikiModelParser.parse(AbstractWikiModelParser.java:114)
    at org.xwiki.contrib.confluence.parser.xhtml.internal.ConfluenceXHTMLInputFilterStream.read(ConfluenceXHTMLInputFilterStream.java:115)
    at org.xwiki.contrib.confluence.parser.xhtml.internal.ConfluenceXHTMLInputFilterStream.read(ConfluenceXHTMLInputFilterStream.java:47)
    at org.xwiki.filter.input.AbstractBeanInputFilterStream.read(AbstractBeanInputFilterStream.java:79)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.parse(ConfluenceInputFilterStream.java:817)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.convertToXWiki21(ConfluenceInputFilterStream.java:786)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.readPageRevision(ConfluenceInputFilterStream.java:644)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.readPageRevision(ConfluenceInputFilterStream.java:559)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.readPage(ConfluenceInputFilterStream.java:447)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.readInternal(ConfluenceInputFilterStream.java:202)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.read(ConfluenceInputFilterStream.java:138)
    at org.xwiki.contrib.confluence.filter.internal.input.ConfluenceInputFilterStream.read(ConfluenceInputFilterStream.java:84)
    at org.xwiki.filter.input.AbstractBeanInputFilterStream.read(AbstractBeanInputFilterStream.java:79)
    at org.xwiki.filter.internal.job.FilterStreamConverterJob.runInternal(FilterStreamConverterJob.java:97)
    at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:243)
    at org.xwiki.job.AbstractJob.run(AbstractJob.java:220)
    at org.xwiki.filter.script.internal.ScriptFilterStreamConverterJob.run(ScriptFilterStreamConverterJob.java:75)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at java.base/java.lang.Thread.run(Thread.java:829)

I am not a Java person and I really don’t know what it really means. Can someone please help me with this?

Hello @Andy,

Thanks for the report. This issue has already been identified (see [CONFLUENCE-103] NoSuchMethodError in ConfluenceXWikiGeneratorListener - XWiki.org JIRA). We’ll let you know as soon as this is fixed.

Are there any news on this. I saw in Jira the issue marked as fixed. We use the image with XWiki version 14.3. It still seems to be in.

I doubt you get the exact same error, but it’s possible a similar problem exist elsewhere. Hard to tell much without a more detailed error message.

I think the issue is not with the XWiki version, but the “Confluence XML” extension.
If you go to the “Extension” section in the Wiki Administration, run the “Updater” and see if it finds a new version of that extension.
If yes, then install that newer version (should be 9.14.5) and try again.

Yes, exactly. That’s what I found out in the meantime, and did. All worked fine.
Thank’s anyway for your quick response!