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From: Debashis Roy <r_debashis@hotmail.com>
To: <users@tomcat.apache.org>
Subject: RE: Who ate my "Connection reset by peer" SocketException?
Date: Thu, 4 Aug 2011 17:38:20 +0000
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In-Reply-To: <4E3AC6AE.2050503@ice-sa.com>
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Nothing in between browser and tomcat... direct connection from IE to 8080.
=20

> Date: Thu=2C 4 Aug 2011 18:19:58 +0200
> From: aw@ice-sa.com
> To: users@tomcat.apache.org
> Subject: Re: Who ate my "Connection reset by peer" SocketException?
>=20
> Debashis Roy wrote:
> > Hi=2C
> >=20
> > Trying something which involves catching the "Connection reset by peer"=
 SocketException. Below is the code snippet from my servlet with explanator=
y comments.
> > Does anyone have any idea as to what is happening?
> >=20
> > try
> > {
> > byte [] bytes =3D getContentBytes()=3B //read the actual bytes of the c=
ontent into an array.
> > resp.addHeader("Content-Disposition"=2C "attachment=3Bfilename=3Dsomefi=
le.zip")=3B
> > resp.addHeader("Content-Type"=2C "application/zip")=3B
> > resp.addHeader("Pragma"=2C "no-cache")=3B
> > resp.addHeader("Connection"=2C "close")=3B
> > resp.setContentLength(bytes.length)=3B
> > OutputStream os =3D resp.getOutputStream()=3B
> > for (int i =3D 0=3B i < bytes.length=3B i++)
> > {
> > System.out.println("writing byte " + i)=3B
> > os.write(bytes[i])=3B
> > /* write all bytes but the last one to the ostream */
> > /* the file save dialog shows up in the browser */
> > /* netstat shows an established connection from browser to 8080 of tomc=
at host */
> > if (i =3D=3D bytes.length - 2)
> > {
> > System.out.println("doing intermediate flush...")=3B
> > resp.flushBuffer()=3B
> > /* sleep for 30 secs */
> > /* during this time close the browser and click cancel on the file save=
 dialog*/
> > /* netstat shows zero connections with port 8080 of tomcat */
> > try
> > {
> > Thread.sleep(30000)=3B
> > }
> > catch (InterruptedException interex)
> > {
> > }
> > }
> > /* the last byte gets written after the sleep period */
> > /* was expecting to see the "connection reset by peer" exception here *=
/
> > }
> > /* or here */
> > resp.flushBuffer()=3B
> >=20
> > /* Voila !!! no exceptions till here and the code exits cleanly !!! */
> > }
> > catch (Throwable th)
> > {
> > th.printStackTrace()=3B
> > }
> >=20
>=20
> Is there anything at all between the browser and Tomcat ?
> (thinking of a front-end webserver/load balancer etc..)
>=20
>=20
>=20
> ---------------------------------------------------------------------
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> For additional commands=2C e-mail: users-help@tomcat.apache.org
>=20
 		 	   		  =

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