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POSplitting child node from XML file into their own XML files
 

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    <p>I have an XML file (on the left) and I want to create multiple files (on the right):</p> <pre><code>&lt;ParentNode&gt; file1: &lt;ChildNode&gt; &lt;ParentNode&gt; &lt;node&gt;&lt;/node&gt; &lt;ChildNode&gt; &lt;/childNode&gt; &lt;node&gt;&lt;/node&gt; &lt;ChildNode&gt; &lt;/childNode&gt; &lt;node&gt;&lt;/node&gt; &lt;/ParentNode&gt; &lt;/childNode&gt; file2: &lt;ChildNode&gt; &lt;ParentNode&gt; &lt;node&gt;&lt;/node&gt; &lt;ChildNode&gt; &lt;/childNode&gt; &lt;node&gt;&lt;/node&gt; &lt;/ParentNode&gt; &lt;/childNode&gt; &lt;/ParentNode&gt; </code></pre> <p>I am trying to take the first child node from the original XML file and add it to a new one but I keep getting errors around replacing nodes.</p> <p>I want to do something like the following</p> <pre><code> DocumentBuilderFactory dbfac = DocumentBuilderFactory.newInstance(); DocumentBuilder docBuilder = dbfac.newDocumentBuilder(); Document newDocument; Node firstChild = document.getFirstChild(); NodeList childNodes = firstChild.getChildNodes(); Element parentNode; for (int i = 1; i &lt; childNodes.getLength(); i++ ) { newDocument = docBuilder.newDocument(); parentNode = newDocument.createElement("ParentNode"); newDocument.appendChild(parentNode); newDocument.getFirstChild().appendChild(childNodes.item(i)); } </code></pre> <p>but I get an error</p> <pre><code>org.w3c.dom.DOMException: WRONG_DOCUMENT_ERR: A node is used in a different document than the one that created it. </code></pre> <p>any help pointing in the right direction appreciated!</p>
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    1. COWhere is document coming from ? Is it declared somewhere else?
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    2. COThe document format is declared in 3rd party application, Im trying to extract data from an excel spreadsheet by saving as xml and then use the third parties import tool which requires the files as individual files and not one great big file
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