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Upgrading from multiple versions back?

sscbrian
Champ on-the-rise
Champ on-the-rise
Our Alfresco server is currently running Community 4.2e.  We would like to get current onto 5.0a.  I've read a couple blogs that state that upgrades must be only one version at a time (which would require us to go through 4.2f).  Is that true, or can versions be skipped?

So far I did attempt a 4.2e straight to 5.0a upgrade.  Results were that the application runs, but nobody other than administrator could login.  Fiddled with it for a few hours, then gave up and rolled the server back to the working 4.2e state.  Not sure if I did the upgrade wrong, or if it's not supported to skip versions during an upgrade.

I've also tried 4.2e to 4.2f upgrades multiple times, but I haven't even been able to get tomcat to start afterwards (I can dig out those logs again to work on it if this is the path that I must take).  Fresh installs of 4.2f (on fresh VMs) exhibit the same problem, looks like 4.2f requires some special undocumented handling or is broken in some way that I've not yet figured out how to work around?  Google doesn't seem to know anything about any 4.2f issues.  Currently running on Windows, but have run 4.2f install & upgrade tests on Linux as well with identical results.  Given all this wackiness, I'm *hoping* there's a supported procedure to just avoid 4.2f completely.

Thanks,
Brian
3 REPLIES 3

eswbitto
Confirmed Champ
Confirmed Champ
I have had no problems going from 4.2.c->4.2.d->4.2.f so I skipped "e". Now I haven't tried 5.0 so not sure what has changed. You could probably benefit from setting up a test VM (virtualbox…etc) and going through to see how that works for you.

mrogers
Star Contributor
Star Contributor
No the blogs are not correct.   However you cant jump from version 1 to version 5, that's simply too big.    So in those cases you do need to go through intermediate versions.  

4.2.f contained a single security fix so I'd be surprised if there was an upgrade issue.

Off the top of my head there shouldn't be a problem going from any 4 release to 5.   

sscbrian
Champ on-the-rise
Champ on-the-rise
OK, I'll concentrate my efforts on trying to make 4.2e to 5.0a work and avoid 4.2f (which I tried again as a fresh install in the meantime and same issue, blows up completely with missing resource errors).  Thanks!