CloseableHttpClient设置Timeout

昨天遇到一个问题需要设置CloseableHttpClient的超时时间,查了官方文档如下。

新建一个RequestConfig:

RequestConfig defaultRequestConfig = RequestConfig.custom()
 .setSocketTimeout(5000)
 .setConnectTimeout(5000)
 .setConnectionRequestTimeout(5000)
 .setStaleConnectionCheckEnabled(true)
 .build();

这个超时可以设置为客户端级别,作为所有请求的默认值:

CloseableHttpClient httpclient = HttpClients.custom()
    .setDefaultRequestConfig(defaultRequestConfig)
    .build();

Request不会继承客户端级别的请求配置,所以在自定义Request的时候,需要将客户端的默认配置拷贝过去:

HttpGet httpget = new HttpGet("http://www.apache.org/");
RequestConfig requestConfig = RequestConfig.copy(defaultRequestConfig)
    .setProxy(new HttpHost("myotherproxy", 8080))
    .build();
httpget.setConfig(requestConfig);

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