httpClient连接网站的问题 （URL带参数）

[wzw12315]

	private int getTotalPages() {

		int num = 0;
		// 通过httpClient获取网页响应,将返回的响应解析为纯文本
		String url = "http://datainterface.eastmoney.com//EM_DataCenter/js.aspx?type=SR&sty=GGSR&js={%22data%22:[(x)],%22pages%22:%22(pc)%22,%22update%22:%22(ud)%22,%22count%22:%22(count)%22}&ps=50&p=2&mkt=0&stat=0&cmd=2&code=&rt=51302552";
		HttpGet httpGet = new HttpGet(url);
		
		httpGet.setConfig(RequestConfig.custom().setSocketTimeout(30000).setConnectTimeout(30000).build());
		CloseableHttpClient httpClient = null;
		CloseableHttpResponse response = null;

		String responseStr = "";
		try {
			httpClient = HttpClientBuilder.create().build();
			HttpClientContext context = HttpClientContext.create();
			response = httpClient.execute(httpGet, context);
			int state = response.getStatusLine().getStatusCode();
			if (state != 200)
				responseStr = "";
			HttpEntity entity = response.getEntity();
			if (entity != null)
				responseStr = EntityUtils.toString(entity, "UTF-8");
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (response != null)
					response.close();
				if (httpClient != null)
					httpClient.close();
			} catch (Exception ex) {
				ex.printStackTrace();
			}
		}

		if (responseStr == null)
			return 0;

		JSONObject jsonbs = JSON.parseObject(responseStr);

		num = Integer.parseInt(jsonbs.getString("pages"));

		return num;
	}

maven依赖包
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.4.3</version>
</dependency>

<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.2</version>
</dependency>

代码如上，我直接使用代码中的URL（带了请求参数的）放到浏览器的网址框中运行，是可以正确打开网页的，但是使用httpclient方式又不行了,报 Source not found.的错误；如果代码的URL不带参数，倒是可以返回来200，表示正确响应了。
但是换了其他网址也是带请求参数的，httpclient又可以正确运行

这是什么原因呢？是东方财富网址使用了一些什么技术设置了吗?还是httpclient需要设置一些参数才可以正确使用？？

[waxf523]

实在不行就换OkHttpClient对象实现