Confluence 6.9.0 Problems with Collaborative Editing

[Tim Buecher]

Dear Community,

I'm having problems with my Confluence 6.9.0 Server Installation on CentOS 7.

There's an Apache 2.4 used as a reverse Proxy and DNS Termination Point. 

When I activate Collaborative Editing and try to edit a page, I'm always facing "

The editor didn't load this time error when trying to edit a page" Error. I tried everything on https://confluence.atlassian.com/confkb/confluence-throws-the-editor-didn-t-load-this-time-error-when-trying-to-edit-a-page-840796639.html, but I'm not getting anywhere. When I'm trying the port, it's available - when I tested the firewall, the request went through. So nothing should be blocking WebSocket Connections ....

Also for completion, I wanted to paste my Apache 2.4 config ...

<VirtualHost *:443>
SSLEngine on
SSLCertificateFile /etc/pki/tls/certs/confluence-domain.crt
SSLCertificateKeyFile /etc/pki/tls/private/confluence-domain.key

LogLevel alert rewrite:trace6
ErrorLog logs/confluence-domain-error_log
CustomLog logs/confluence-domain-access_log common
ServerName confluence-domain
ProxyRequests Off
ProxyPreserveHost On

RewriteEngine On
RewriteCond %{REQUEST_URI} !^/synchrony
RewriteRule ^/(.*) http://confluence-server:8090/$1 [P]

<Proxy *>
Require all granted
</Proxy>

ProxyPass /synchrony http://confluence-server:8091/sychrony

<Location /synchrony>
Require all granted
RewriteEngine on
RewriteCond %{HTTP:UPGRADE} ^WebSocket$ [NC]
RewriteCond %{HTTP:CONNECTION} Upgrade$ [NC]
RewriteRule .* ws://confluence-server:8091%{REQUEST_URI} [P]
</Location>

ProxyPass / http://confluence-server:8090/
ProxyPassReverse / http://confluence-server:8090/

[AnnWorley]

I compared your Apache configuration side by side with the documentation (Securing your Atlassian applications with Apache using SSL) and it looks like there are a lot of differences.

I recommend using the same directives in the same sequence for best results.

Please also make sure your connector in <confluence_install_dir>/conf/server.xml is set up as documented to include the proxyName, proxyPort and scheme:

<Connector port=<default>
 maxThreads=<default>
    minSpareThreads=<default>
    connectionTimeout=<default>
    enableLookups=<default>
    maxHttpHeaderSize=<default>
    protocol=<default>
    useBodyEncodingForURI=<default>
    redirectPort=<default>
    acceptCount=<default>
    disableUploadTimeout=<default>
 proxyName="<subdomain>.<domain>.com"
 proxyPort="443"
    secure="true"
 scheme="https"/>

[Tim Buecher]

I'm sorry! You were totally right. I changed my config according to the article and everything works now.

[Kelly Albrecht]

Consider the above answer as well but I don't think you need any of the Sychrony directives in 6.9.0.

What happens if you comment out all of this:

RewriteEngine On
RewriteCond %{REQUEST_URI} !^/synchrony
RewriteRule ^/(.*) http://confluence-server:8090/$1 [P]

<Proxy *>
Require all granted
</Proxy>

ProxyPass /synchrony http://confluence-server:8091/sychrony

<Location /synchrony>
Require all granted
RewriteEngine on
RewriteCond %{HTTP:UPGRADE} ^WebSocket$ [NC]
RewriteCond %{HTTP:CONNECTION} Upgrade$ [NC]
RewriteRule .* ws://confluence-server:8091%{REQUEST_URI} [P]
</Location>

I don't have any of that on 6.9.0 and it works great. 

[Tim Buecher]

Thanks for your input! I tried your solution, but it returned also the timeout in my instance ....