#fixed code
                                @Override
    protected void reInit(final String service, final List<InetSocketAddress> list) throws Exception {
        // store old
        LoadBalanceProxyFactoryBean oldLbProxyBean = lbMap.get(service);
        List<ProtobufRpcProxy<T>> oldProtobufRpcProxyList =
                new ArrayList<ProtobufRpcProxy<T>>(protobufRpcProxyListMap.get(service));

        // create a new instance
        doProxy(service, list);
        
        try {
            // try to close old
            doClose(oldLbProxyBean, oldProtobufRpcProxyList);
        } catch (Exception e) {
            LOGGER.fatal(e.getMessage(), e);
        }
    }
#vulnerable code 
                                @Override
    protected void reInit(final String service, final List<InetSocketAddress> list) throws Exception {
        // store old
        LoadBalanceProxyFactoryBean oldLbProxyBean = lbMap.get(service);
        List<ProtobufRpcProxy<T>> oldProtobufRpcProxyList =
                new ArrayList<ProtobufRpcProxy<T>>(protobufRpcProxyListMap.get(service));

        // reinit naming service
        loadBalanceStrategy.doReInit(service, new NamingService() {

            @Override
            public Map<String, List<InetSocketAddress>> list(Set<String> serviceSignatures) throws Exception {
                Map<String, List<InetSocketAddress>> ret = new HashMap<String, List<InetSocketAddress>>();
                ret.put(service, list);
                return ret;
            }

        });

        // create a new instance
        doProxy(service, list);
        try {
            // try to close old
            doClose(oldLbProxyBean, oldProtobufRpcProxyList);
        } catch (Exception e) {
            LOGGER.fatal(e.getMessage(), e);
        }
    } 
                            #location 9 
                            #vulnerability type THREAD_SAFETY_VIOLATION