RPC.stopProxy(rpcProxy);
}
@Override
public String[] getGroupsForUser(String user) throws IOException {
GetGroupsForUserRequestProto request = GetGroupsForUserRequestProto
.newBuilder().setUser(user).build();
GetGroupsForUserResponseProto resp;
try {
resp = rpcProxy.getGroupsForUser(NULL_CONTROLLER, request);
} catch (ServiceException se) {