The Apache logs don't show any page generation error, so the most likely issue is that you have an intervening firewall which is doing something stupid.

adam.

On 16/06/2017 09:26:38, Давыдов Денис <da.davydov@i-teco.ru> wrote:

Hello everybody!

 

We use Observium Subscription Edition

Version: Observium 17.5.8580 (stable)

 

SVN info:

[root@tnobspapp01 observium]# svn info

Path: .

Working Copy Root Path: /opt/observium

URL: http://svn.observium.org/svn/observium/branches/stable

Repository Root: http://svn.observium.org/svn

Repository UUID: 61d68cd4-352d-0410-923a-c4978735b2b8

Revision: 8662

Node Kind: directory

Schedule: normal

Last Changed Author: adama

Last Changed Rev: 8580

Last Changed Date: 2017-05-28 15:05:18 +0300 (Sun, 28 May 2017)

 

OS:

[root@tnobspapp01 ~]# cat /etc/redhat-release

CentOS Linux release 7.3.1611 (Core)

 

Kernel:

[root@tnobspapp01 ~]# uname -a

Linux tnobspapp01 3.10.0-514.16.1.el7.x86_64 #1 SMP Wed Apr 12 15:04:24 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

 

Selinux:

[root@tnobspapp01 observium]# getenforce

Permissive

 

PHP version:

[root@tnobspapp01 ~]# php -v

PHP 7.0.19 (cli) (built: May 12 2017 21:01:27) ( NTS )

Copyright (c) 1997-2017 The PHP Group

Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies

    with Zend OPcache v7.0.19, Copyright (c) 1999-2017, by Zend Technologies

 

Apache version:

[root@tnobspapp01 ~]# httpd -v

Server version: Apache/2.4.6 (CentOS)

Server built:   Apr 12 2017 21:03:28

 

Problem:

In browser (Chrome, IE, Firefox): Devices -> All devices -> Choose any device -> Properties -> choose MIBs or Modules = This page isn’t working ERR_EMPTY_RESPONSE

 

In Apache access log:

172.XX.XX.XX - - [15/Jun/2017:10:43:45 +0300] "GET /device/device=530/tab=edit/section=modules/ HTTP/1.1" 200 134939 "-" "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36"

172.XX.XX.XX - - [15/Jun/2017:10:46:22 +0300] "GET /device/device=530/tab=edit/section=mibs/ HTTP/1.1" 200 157018 "-" "Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36"

 

What is it? Bug?

Please help me.

 

Best regards,

Davydov Denis