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Synchrony doesn't work

mikegazzaruso

Hi, I use Confluence Server on a Linux Machine with CentOS 7.

Synchrony appears up and running on port 8901, but I am unable to edit any page.

I've tried to restart synchrony from settings, stop and restart Confluence but nothing.

I must use either Limited mode or Off, in order to edit pages.

Accepted answers

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Nic Brough -Adaptavist-

This usually means that Synchrony is not reachable by Confluence. Sometimes, it's offline, but you've checked that.

Next thing I'd look at is routing - from the Confluence server, try telnet <synchrony server> 8091 and see if it responds. Note - even though Synchrony is almost certainly on the Confluence server (it doesn't have to be, but it will be unless you've got DC or deliberately moved it). The error message hopefully tells you more.

mikegazzaruso

Hi Nic,

Connection from localhost to 8091 is fine.. I for server responding and waiting for input, no errors at all.

Nic Brough -Adaptavist-

Hmm. Ok, so could you enable collaborative editing in Confluence, try to edit a page and then read through the logs at that point to see what the error is.

mikegazzaruso

I’ve no error logs about synchrony regarding this issues, I looked into /opt/atlassian/confuence/logs but no luck. Could you suggest me a specific logfile that I should check? Thanks for your time

mikegazzaruso

[mike@dev ~]$ telnet 127.0.0.1 8091
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.

This is.

atlassian-synchrony-proxy-log.log is empty

synchrony-proxy-watchdog.log reports many entries like this

2018-10-26 17:57:27,995 INFO [main] [atlassian.confluence.bootstrap.SynchronyProxyWatchdog] A Context element for ${confluence.context.path}/synchrony-proxy is found in /opt/atlassian/confluence/conf/server.xml. No further action is required

That is indeed also entry I receive upon starting command
(/etc/init.d/confluence start)

Maybe a Postgres related problem?

postgres@dev.gazzaruso.com~$ psql
psql (9.2.24)
Type "help" for help.

postgres=#

Thank you very much, Nic

mikegazzaruso

Excuse me, i use WHM/cPanel on my server.

Could it be a problem? I'm using csf/lfd as security/firewall manager, bundled into cPanel.

Ports are all open into csf.

Nic Brough -Adaptavist-

Sorry, I missed the follow up!

I suspect the problem is the link from Confluence to Synchrony, not Synchrony itself (I think it's sitting there waiting for a call from Confluence).

Could you look at the Confluence log for a time just as you open a page for edit? (With collaborative editing enabled)

mikegazzaruso

Sorry Nic, I wrote to the other post, problem was my /tmp partition mounted with noexec, this is a known issue preventing saving the Snappy library .so

Infact logs reported that Snappy lib could not be activated.

I remounted /tmp without noexec and all system go now.

Thank you for your time!

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