final File datafile = new File(ctxTempDir, "userdata-" + i);
ctxUserDataPaths[i] = datafile.getAbsolutePath();
Nimbusctx_Type wrapper = new Nimbusctx_Type();
wrapper.setCluster(oneCtx);
wrapper.setContact(brokerContact);
final QName qName = new QName("", "NIMBUS_CTX");
try {
final String data =