@Override
public List<VersionDTO> getVersions() {
List<VersionDTO> versions = new ArrayList<VersionDTO>();
try {
J4pExecRequest request = JolokiaHelpers.createExecRequest(FABRIC_MBEAN_URL, "versions()");
J4pExecResponse response = getJolokiaClient().execute(request);
List<Map<String, Object>> values = response.getValue();
for (Map<String, Object> value : values) {
VersionDTO v = new VersionDTO(this.fabricFacade, value);
if (v.getId().equalsIgnoreCase("master")) continue; // don't show "MASTER" version
versions.add(new VersionDTO(this.fabricFacade, value));
}