Problem with DemoInsert.java

hy, i try the demoinsert.java but when i run it i become the following error :
C:\Program Files\jbuilder5\jdk1.3\bin\javaw -classpath “D:\Projet\Java\Connexion;D:\Projet\JavaLibrairies\domsdk.jar;D:\Projet\JavaLibrairies\sax2.jar;D:\Projet\JavaLibrairies\taminoclient.jar;D:\Projet\JavaLibrairies\w3cdom1.jar;D:\Projet\JavaLibrairies\xp.jar” connexion.DemoInsert
java.lang.StackOverflowError

at com.docuverse.dom.AbstractContainerNode.setStructureChanged(AbstractContainerNode.java:152)

at com.docuverse.dom.AbstractContainerNode.setStructureChanged(AbstractContainerNode.java:152)

at com.docuverse.dom.AbstractContainerNode.setStructureChanged(AbstractContainerNode.java:152)

at com.docuverse.dom.AbstractContainerNode.setStructureChanged(AbstractContainerNode.java:152)

at com.docuverse.dom.AbstractContainerNode.setStructureChanged(AbstractContainerNode.java:152)

at com.docuverse.dom.AbstractContainerNode.setStructureChanged(AbstractContainerNode.java:152)

could someone explain why ?
thanks a lot
best regards
g