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From Oleg Kalnichevski <ol...@apache.org>
Subject Re: Too many open sockets
Date Fri, 16 Nov 2007 11:03:51 GMT

On Fri, 2007-11-16 at 10:54 +0000, Brad wrote:
> Hi,
> 
> I'm using http-commons to make some calls to a http server. There are
> situations where I may have to make a large volumen of calls in a
> short period of time.
> 
> My problem is that http-commons seems to be eating connections,
> resulting in eventually getting this error
> 
>           java.net.BindException: Address already in use: connect
> 
> A quick netstat from the command prompt shows thousands of sockets
> with status TIME_WAIT.
> 
> Here's my simple test code:
> 
>         public void testHttpGet() {
> 
>                 HttpClient client = new HttpClient();
>                 GetMethod get = new GetMethod();
> 
>                 try {
> 
>                         for (int i = 0; i < 10000; i++) {
> 
>                                 get.setPath("http://localhost:8081/");
>                                 int code = client.executeMethod(get);
>                                 byte[] responseBody =  get.getResponseBody();
>                                 get.recycle();
>                                 System.out.println(i + ", response: " + code);
>                         }
> 
>                 } catch (Exception e) {
>                         e.printStackTrace();
>                 } finally {
>                         get.releaseConnection();
> 
>                 }
>         }
> 
> I checked the tutorial and I've made sure to read the response body. I
> call recycle() in the loop and yet it still uses a new connection
> every time.
> 
> All help very much appreciated.
> 

Please see item 4 in the micro FAQ below

http://tangentsoft.net/wskfaq/articles/debugging-tcp.html

Oleg 


> Cheers,
> Brad.
> 
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