I am really schrewed up in this server show.
I have tryed different suggestion. I do not know how to reuse the response
and request connections.
I end up with the same error.
java.lang.IllegalStateException: Write attempted after request finished
Websockets ? How to reuse inputstream and outputstream here?
***********************************************************************************
----- Original Message -----
From: "Christopher Schultz" <ch...@christopherschultz.net>
To: "Tomcat Users List" <users@tomcat.apache.org>
Sent: Wednesday, October 30, 2013 9:51 PM
Subject: Re: Keep Alive Serverconnection
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
David,
On 10/30/13, 9:29 AM, David kerber wrote:
On 10/30/2013 9:12 AM, Morten Bo Oelbye wrote:
Where can I find any solution about an persistent Connection. I
can use the reques.inputstream as long as want. But when I use
the response as an outputstream, the connectien is closed. So,
how to write ping, pong, ping, pong, etc without closing? An
keep-Alive does not do it. Please help
Websockets?
+1
It's odd that the "outputstream connection is closed". I suppose it
depends upon the usage scenario.... if you do something like fire-off
a thread with a reference to the response and then your servlet's
doXXX method completes, then the container will recycle the response
and your thread won't work properly.
If you want to do bi-directional persistent communication, you are
going to have to leave the world of HTTP and use a different
protocol... like Websockets (which use a traditional HTTP connection
to get things going, and then "upgrades" the connection to one that
can be used persistently).
- -chris
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