Httpclient需要很长时间

Question

I'm trying to download many files using the Apache HttpComponents library .

Files are downloaded separately using the same HttpClient.

But I get only the first one. When I use the debugger, the program stay blocked on this instruction

HttpResponse response = httpClient.execute(httpGet);

I'm dowloading files on seperate threads using the ExecutorService :

  ExecutorService pool = Executors.newSingleThreadExecutor(); pool.submit(new FileDownloader(httpClient,URL1)); pool.submit(new FileDownloader(httpClient,URL2)); pool.shutdown(); pool.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS); 

EDIT

It works when I use a seperate httpClient.

Any idea ?

Answer 1

The information you've given is rather sparse. I'm guessing that you're using the Apache HttpComponents library . In that case, when using an HttpClient from more than one thread, you will need to use a thread-safe connection pool manager.

For instance: PoolingHttpClientConnectionManager

See this tutorial for an example.

Answer 2

It was a problem due to the proxy of my company. It doesn't allow more than 2 openened connection in the same time. So to avoid this problem, don't forget to close the HttpResponse after every request.