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From Gryz Bug <>
Subject Re: [users@httpd] mod_proxy apj unstable behivel
Date Tue, 13 Mar 2018 11:49:06 GMT

Hi , 

We had some similiar issues where we had 2 apache instances running on the same port. Have
you checked your process list for running httpd processes after the issue happens ?


> On 13 Mar 2018, at 13:42, David Belgini <> wrote:
> Hello,
> First of all, I’m new here, if I’m doing some stupid thing please let me to know...
> I have a tipical configuration like bellow.
> IP A ( – Firewall – Apache – Firewall – Tomcat – DB
> IP B (
> I’m using apache 2.4 (httpd-2.4.6-67.el7.centos.6) and tomcat 8.0.50
> I have an configuration on apache with SSL + two subdomains proxied to the same tomcat
context using AJP.
> Usually the configuration work fine but I have an unstable problem, sometimes, after
service httpd restart, only one of subdomain doesn’t work returning 404 error, and if I
restart it again it go back to work.
> Sometimes access1 doesn’t work, sometimes access2 doen’t work, sometime both works
> And this behavior occur always after restart and don’t change before next restart.
> I tried to downgrade the httpd service (four different version) and the problem still.
> I tried to enable logging to trace5 and I couldn't get any relevant information...
> I’m thinking that I’m doing some mistake in the configurations.
> Thank you!
> David                                                                               

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