davReport.setRequiredProperty(WebDavProp.CREATIONDATE);
davReport.setRequiredProperty(WebDavProp.CREATORDISPLAYNAME);
davReport.setDepth(1);
int status = davReport.execute();
if (status != HTTPStatus.MULTISTATUS)
{
showMessageBox("Can't open version list. ErrorCode: " + status);
return false;
}