#fixed code
                                @Test
    public void testSyncHandleTimeout() throws Exception {
        RpcFuture<String> rpcFuture = new RpcFuture<String>(timeout, methodInfo, null, channelInfo, rpcClient);
        try {
            rpcFuture.get(100, TimeUnit.MILLISECONDS);
        } catch (RpcException ex2) {
            Assert.assertTrue(ex2.getCode() == RpcException.TIMEOUT_EXCEPTION);
        }
    }
#vulnerable code 
                                @Test
    public void testSyncHandleTimeout() throws Exception {
        RpcFuture rpcFuture = new RpcFuture<String>(timeout, methodInfo, null, channelInfo, rpcClient);
        Response resp = rpcFuture.get(100, TimeUnit.MILLISECONDS);
        assertThat(resp.getException(), instanceOf(RpcException.class));
        assertThat(((RpcException) resp.getException()).getCode(), is(RpcException.TIMEOUT_EXCEPTION));
    } 
                            #location 5 
                            #vulnerability type NULL_DEREFERENCE