[opencms-dev] Upgrading from 7.5.4 to 9: best practices

[Roman Uhlig]

Hi Kai,

good to see you're still here. :)

Thanks a lot for your overview.

We never have less than 2048m Xmx on any server, so that should be fine.
We also don't have custom widegts/code (except some UI tweaks, but
that's of no concern and was only because of some weaknesses in the
7.5.4 UI).

We do have custom Collectors and HtmlParsers/NodeVisitors. Will they
basically still work, so that I can port them to maybe new techniques later?

Thanks,
Roman


Am 09.02.2015 um 12:02 schrieb Schliemann, Kai:
> Hi Roman,
> welcome back to OpenCms!
> I would try to do a fresh install of 9.5 or 9 and import all your modules into it.
> If necessary, activate the xmlpage explorertype in WEB-INF/config/opencms-workplace.xml
> After that, import all your content.
> You can now start adding the new editing features to your templates.
> When finished, you can start to replace your content pages with the new containerpages.
> 
> Take care, that you have enough Xmx (1024m should be ok)  when you install OpenCms 9.x.
> 
> If you do not have any custom code / widgets, your upgrade should work well. If you have written your own contentload collectors, you should consider replacing them by Solr queries.
> 
> HTH
> Best regards
> Kai
> 
> 
> -----Ursprüngliche Nachricht-----
> Von: opencms-dev-bounces at opencms.org [mailto:opencms-dev-bounces at opencms.org] Im Auftrag von Roman Uhlig
> Gesendet: Montag, 9. Februar 2015 11:48
> An: opencms-dev at opencms.org
> Betreff: [opencms-dev] Upgrading from 7.5.4 to 9: best practices
> 
> After a long absence from OpenCms because of freelancing in the field of mobile apps, I'm now facing the task of upgrading several OpenCms 7.5.4 installations running on Debian and GenToo Linux machines.
> 
> My question is: should I directly upgrade to the latest version or should I go in several steps to not get overwhelmed by the changes that may occur due to the upgrade?
> 
> I'm asking because I already tried an update to OpenCms 8 according to the document from Michael Emmerich (OpenCms Days 2011). There he says:
> "Your existing OpenCms 7.x webapp will run in OpenCms 8 – most likely without any changes". That did not work for me, many of our OpenCms webapps did not work anymore as expected after the update.
> 
> Any hint how to progress in this matter whould be very appreciated.
> 
> Thank you very much,
> Roman
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