Thanks for the reply.  I am using "org.apache.coyote.http11.Http11AprProtocol" 
in Tomcat 9.

The NIO connectors worked fine when we tried them, but the native ones seem to 
start up, but then don’t work. 
 
Interestingly, we found out that these connectors do eventually start working!  
We tried to connect a few hours later and they were working fine.  
We are now trying to determine exactly how long it takes for them to accept 
connections in hopes that this will help us figure out what is going on.

Having a way to debug this better would be helpful.


Mark Claassen
Senior Software Engineer

Donnell Systems, Inc.
130 South Main Street
Leighton Plaza Suite 375
South Bend, IN  46601
E-mail: mailto:mclaas...@ocie.net
Voice: (574)232-3784
Fax: (574)232-4014

Disclaimer:
The opinions provided herein do not necessarily state or reflect 
those of Donnell Systems, Inc.(DSI). DSI makes no warranty for and 
assumes no legal liability or responsibility for the posting. 
-----Original Message-----
From: Roger Brechbühl <rotscher...@gmail.com> 
Sent: Wednesday, October 31, 2018 5:25 PM
To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: Debugging tomcat native connector

with which connector do you have problems? nio, nio2 or apr?

I ask because we have problems with nio2-openssl when ssl session is reused 
e.g. when a request is proxied with nginx.

kind regards,
Roger

Mark A. Claassen <mclaas...@ocie.net> schrieb am Mi. 31. Okt. 2018 um 15:32:

> Is there a way to debug the native connectors?  Specifically, we are 
> having some problems getting the native openssl connector working on Ubuntu.
> Doing an strace on the process shows a lot of FUTEX_WAIT_PRIVATE, but 
> we don't know why.  We were hoping that there was some way to get more 
> information.
>
> Thanks,
>
> Mark Claassen
> Senior Software Engineer
>
> Donnell Systems, Inc.
> 130 South Main Street
> Leighton Plaza Suite 375
> South Bend, IN  46601
> E-mail: mailto:mclaas...@ocie.net
> Voice: (574)232-3784
> Fax: (574)232-4014
>
> Disclaimer:
> The opinions provided herein do not necessarily state or reflect those 
> of Donnell Systems, Inc.(DSI). DSI makes no warranty for and assumes 
> no legal liability or responsibility for the posting.
>
>

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