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<font face="Verdana, Arial" size="2">hi all,<br>i would like to add the content of a document's root element to the root element of another document. here is my attempt:</font><br><blockquote><font face="Verdana, Arial" size="2"><font face="Verdana, Arial" size="1"></font></font><pre><font face="Verdana, Arial" size="2"><font size="2"> // create the document<br> SAXBuilder builder = new SAXBuilder();<br> Document doc1 = builder.build(new StringReader ("<elem>test<e2></e2><t/></elem>"));<br> <br> // get content of root element<br> List content = doc1.getRootElement().getContent();<br> <br> // detach: --> same exception with or without this<br> for(int i=0;i<=content.size();i++){<br> Content next = (Content)content.get(i);<br> next.detach();<br> }<br> <br> // create 2nd document with root element<br> Document doc2 = new Document();<br> doc2.setRootElement(new Element("root2"));<br> <br> // add content to new root: Exception here<br> doc2.getRootElement().setContent(content); </font></font></pre></blockquote><font face="Verdana, Arial" size="2"> <br>Exception in thread "main" org.jdom.IllegalAddException: The Content already has an existing parent "elem"<br> <br>detaching all Contents in the list does not seem to have an effect.<br><br>how can i solve this?<br>thank you!</font><br></body></html>