这是我的主要方法:
public static void main(String[] args) {
BasicCookieStore cookieStore = null;
HttpResponse httpResponse = null;
HttpClient httpClient = HttpClients.createDefault();
while (true) {
HttpUriRequest request = new HttpGet("http://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs/org/apache/http/impl/client/HttpClientBuilder.html");
try {
httpResponse = httpClient.execute(request);
System.out.println(httpResponse.getStatusLine().getStatusCode());
} catch (Exception e) {
System.out.println(httpResponse.getStatusLine().getStatusCode());
e.printStackTrace();
}
}
}
执行 2 次后 HttpClient 停止执行相同的 HttpGet。虽然,我在循环中实例化了一个新的 HttpClient,但它不会停止。我想知道是否有某种策略阻止 HttpClient 执行相同的 HttpGet 方法超过 2 次?
谁能帮帮我,我将不胜感激!
最佳答案
客户端正在使用连接池来访问 Web 服务器。见 HttpClientBuilder#build() .创建默认 httpclient 并且没有指定任何内容时,它会创建一个大小为 2 的池。因此,在使用 2 后,它会无限期地等待尝试从池中获取第三个连接。
您必须读取响应或关闭连接,以便重新使用客户端对象。
查看更新的代码示例:
public static void main(String[] args) {
BasicCookieStore cookieStore = null;
HttpResponse httpResponse = null;
HttpClient httpClient = HttpClients.createDefault();
while (true) {
HttpUriRequest request = new HttpGet("http://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs/org/apache/http/impl/client/HttpClientBuilder.html");
try {
httpResponse = httpClient.execute(request);
httpResponse.getEntity().getContent().close();
System.out.println(httpResponse.getStatusLine().getStatusCode());
} catch (Exception e) {
System.out.println(httpResponse.getStatusLine().getStatusCode());
e.printStackTrace();
}
}
}
关于java - HttpClient 执行两次后停止在循环中执行相同的 HttpGet 方法,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33650157/