dev@glassfish.java.net

Re: Too many connections,

From: Oleksiy Stashok <oleksiy.stashok_at_oracle.com>
Date: Tue, 13 Sep 2011 13:47:10 +0200

Can you pls. show how HTTP request/response headers look like?

Thanks.

WBR,
Alexey.

On 09/13/2011 10:59 AM, tanees wrote:
> Hi,
> I have deployed a web service on glassfish v2.1 and i am invoking a method
> of the web service remotely. I am using the proxy client automatically
> generated by glassfish.
> The code i am using for method invocation is as follows:-
>
> hellows.HelloServiceService service = new hellows.HelloServiceService();
> hellows.HelloService port = service.getHelloServicePort();
>
> java.lang.String name = "Client";
> String result;
>
> for(int i=0;i<100;i++){
> result = port.msg(name);
> }
>
> I have checked glassfish uses Http 1.1 keep-alive feature and i have read
> that it uses persistent connections which can be reused by client and server
> closes connections if timeout expires or max connections reached. I am
> reaching the max connections limit which i have tried to increase by
> increasing the queue-size in connection pool settings but it is of no help.
> so i want to know if there is a way to reduce number of open connections?
> I invoke the same function 100 times and for each invocation a new
> connection is established for the same client for each request and a new
> session is also created. I have checked this with wireshark and ip_conntrack
> table. Is there a way to open one connection and reuse the connection for
> requests from the same client. I have threaded consumers which invoke the
> same service from the same machine. Now for 10 clients sending 100 requests,
> i have 1000 connections and i instead want to have 10 connections for 10
> clients. What should i do to resolve the problem?
>
> Any help would be appreciated.
>
>
>
>