tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Brett Delle Grazie <brett.dellegra...@intact-is.com>
Subject Re: Tomcat AJP APR connector to mod_jk can result in SEND_BODY_CHUNK message after END_RESPONSE message, was Re: unusual mod_jk 1.2.30 log messages
Date Tue, 14 Sep 2010 16:02:24 GMT
On Tue, 2010-09-14 at 07:50 +0200, Mladen Turk wrote:
> On 09/14/2010 12:28 AM, Brett Delle Grazie wrote:
> >>
> >> Detaching AJP streams from the servlet and using them
> >> as a OutputStream is not very well handled in Tomcat.
> >> I suppose if using APR the entire thing would even crash the JVM.
> >>
> >> Trying to deal with that on mod_jk side would have my strong -1.
> >
> > And I would agree with that whole heartedly.
> >
> > So I guess the APR AJP connector implementation needs to be reviewed...
> > I am looking but as I'm not familiar with the code any help or pointers
> > would be appreciated.
> >
> 
> For AJP APR connector 'if (actionCode == ActionCode.ACTION_CLIENT_FLUSH)'
> doesn't check if the socket was already virtually closed
> so I guess that would be a first thing to look at.
> We cannot just check for finished flag thought, cause recycle() would reset that.
> Instead if there was getOutputSteam() we would need to directly
> invalidate that stream. This means we would need to remember that stream
> somewhere.
> 
> Further more the wrapped socket is 'long' pointing to the
> native pointer, so we don't have object notification on
> physical socket close (that's another problem that manifests
> in JVM core for detached sockets).
> 
> > Should I raise a bugzilla bug?
> >
> 
> Yes, and a dev list would be better place to discuss that further.

Hi,

Bug raised: https://issues.apache.org/bugzilla/show_bug.cgi?id=49929
#49929

Thanks,

> 
> 
> Regards

-- 
Best Regards,

Brett Delle Grazie

______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email 
______________________________________________________________________

---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
For additional commands, e-mail: users-help@tomcat.apache.org


Mime
View raw message