code: @Test public void testURLRewritingWithQueryParameters() throws IOException {
    TestHttpClient client=new TestHttpClient();
    client.setCookieStore(new BasicCookieStore());
    try {
      HttpGet get=new HttpGet(DefaultServer.getDefaultServerURL() + "/notamatchingpath?a=b");
      HttpResponse result=client.execute(get);
      Assert.assertEquals(200,result.getStatusLine().getStatusCode());
      String url=HttpClientUtils.readResponse(result);
      Header[] header=result.getHeaders(COUNT);
      Assert.assertEquals("0",header[0].getValue());
      Assert.assertEquals("b",result.getHeaders("a")[0].getValue());
      get=new HttpGet(url);
      result=client.execute(get);
      Assert.assertEquals(200,result.getStatusLine().getStatusCode());
      url=HttpClientUtils.readResponse(result);
      header=result.getHeaders(COUNT);
      Assert.assertEquals("1",header[0].getValue());
      Assert.assertEquals("b",result.getHeaders("a")[0].getValue());
      get=new HttpGet(url);
      result=client.execute(get);
      Assert.assertEquals(200,result.getStatusLine().getStatusCode());
      url=HttpClientUtils.readResponse(result);
      header=result.getHeaders(COUNT);
      Assert.assertEquals("2",header[0].getValue());
      Assert.assertEquals("b",result.getHeaders("a")[0].getValue());
    }
    finally {
      client.getConnectionManager().shutdown();
    }
  }
  