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Confluence login page is blank

Michael Wolfe_r4ge1i

I stopped Confluence Server this morning to backup the SQL database, home, and installation directories in preparation for a update. I didn't actually go through with the update as we were going to do a POC later in the afternoon. Now the log/dashboard page is completely blank, no menu bar or anything. If you go to the direct link to a Confluence page, it works. The connection between the Jira Service Desk portal and KB's still works and it displays that content, but if I attempt to log in at all, the page never loads any content.

I've searched logs in the installation and home dirs, but I can't find any errors that would indicate a problem loading the site content. Has anyone else run into this issue before?

Accepted answers

Michael Wolfe_r4ge1i

After a lot of digging I ended up inspecting the HTML of just the log in page and compared my test server against the production server. What I found is when I had copied some JavaScript I had somehow missed the closing statement. I was able to hack the live HTML to get logged in, and then eventually to the configuration screen and add the closing statement in. Once I did that, the pages load correctly. Phew, glad that headache is resolved.

All comments

Dave Theodore [Coyote Creek Consulting]

Have you cleared your browser cache? You might also try connecting with a different browser. I've seen this kind of strangeness in Firefox, and other browsers to a lesser extent.

Michael Wolfe_r4ge1i

This was the first thing I tried. I primarily use Chrome, so I tried a Chrome Incognito window, Safari, and then IE on one of my Windows servers. All produced the same problem.

Dave Theodore [Coyote Creek Consulting]

Try this. Shut down Confluence and delete the entire contents of the logs directories (or move them somewhere outside of their normal directories.) The locations will be something like as follows:

Application: /opt/atlassian/atlassian-confluence-667/logs

Home: /var/atlassian/home/confluence/logs

Then start Confluence and look through the catalina.out in the Application directory and the atlassian-confluence.log in the Home directory. There should be some clue as to what is going on there.

Also, look for modified files. It sounds like you can get to the Admin interface, so you can find this out in System Information. Go to https://confluence.<domain>.com/admin/systeminfo.action (replacing your hostname) and look about 20% down the page in the "Modifications" section. If there are any files listed as modified or deleted there, you have some possible suspects. It might not be a bad idea to just download a fresh application, uncompress it and configure it to talk to your existing home directory. This way you're sure the application files weren't changed.

If you are manually starting and stopping Confluence from within the <application>/bin directory, it's worth chowning the entire Application and Home directory structure to the user that Confluence is supposed to be running as, then become that user and start Confluence. If someone before you started it as root, you will have some files with root ownership and the application won't be able to write to them. I am assuming you're running on Linux, but the same principles apply to Windows.

Michael Wolfe_r4ge1i

So here is what I did this morning:

I went ahead and updated to 6.11.1. I figured if there was some corrupt file it would get replaced during the upgrade. Unfortunately it didn't make a difference. Both the home and installation dirs are owned by the confluence user and confluence is always launched as a service, either at boot or 'service confluence start'.

I moved the current logs out of the way so that Confluence would create new logs, and the only thing that stood out to me this time was in the atlassian-confluence log:

2018-09-12 10:03:55,640 WARN [StartEventPublisher:thread-1] [impl.util.tomcat.DefaultTomcatConfigHelper] getHttpConnector Expected exactly one HTTP connector in Tomcat configuration, but found [Standalone:type=Connector,port=4443,address="127.0.0.1", Standalone:type=Connector,port=8090,address="127.0.0.1"]
2018-09-12 10:03:59,950 ERROR [https-jsse-nio-127.0.0.1-4443-exec-15] [mywork.host.rest.ExceptionLogger] toResponse Exception thrown from REST resource
 -- url: /rest/mywork/1/client | traceId: 073e0fd89558692b | userName: anonymous
java.lang.IllegalStateException: Failed to obtain client registration lock, cannot update potential client b2f79432-0a53-3490-89ce-52b6c6854968

Also, I currently cannot log into Admin interface as any log in page doesn't display. I do have Apache running a reverse proxy for the ports, but that hasn't changed and is working with both Jira and Bitbucket still. I've checked the Apache logs and I don't see any issues appearing when I attempt to access those pages.

Michael Wolfe_r4ge1i

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