Dev - Upgrading from 2.1.1

[Anton Mazkovoi]

Hi Everyone,

My name is Anton Mazkovoi, and I am one of the JIRA developers at
Atlassian. We are very happy users of OfBiz Entity Engine and have been
using it in JIRA for the past 3.5 years, to manage all of JIRA's
persistence.

Firstly, please let me thank every one who has contributed to OfBiz
Entity Engine, as it has helped us a great deal! Thank you all for
putting together this wonderful framework.

JIRA has been "stuck" on OfBiz Entity Engine 2.1.1 for a few years now,
and time has come to upgrade!

The first decision we have to make is whether to upgrade to the latest
source in SVN or the snapshot of EE that is shipped with opentaps 0.9.0.
As we have some patches to merge into the code (I will send details on
these in another e-mail) we would prefer to go with the latest source. I
would really appreciate if you could give me some insight on its
stability and readiness for production prime time.

I would also be very interested to know, if it is possible to use the
GeronimoTransactionFactory to manage transactions in various application
servers (i.e. not just Geronimo). Has anyone tried this?

I would also love to hear from anyone who has upgraded from 2.1.1 to the
latest Entity Engine builds. Are there any guides available that
describe the required steps? So far I have found:
http://ofbizwiki.go-integral.com/Wiki.jsp?page=UpgradingOverview

However, I have noticed that the package names in EE had "core" removed.

Are there any other things people have come across that we should keep
in mind during the upgrade?

During the years of Entity Engine 2.1.1 usage, we have patched a few
things. Some of them seem to be in the latest source already. However,
there are still some things that are not there. I will follow up with
another e-mail describing the patches we have come up with, as we would
like to get them committed, if possible.

Thanks,
Anton

P.S. Please forgive me if this e-mail should have been sent to the
"users" list instead. As I plan to follow up with an e-mail discussing
patches, to keep the thread in one place, I chose the dev list.


--
ATLASSIAN - http://www.atlassian.com
Australia's Fastest Growing Software Company 2002-05 [BRW Magazine]

 
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[BJ Freeman]

Just a thought. How about creating a Jira and adding your process there
for others to see.


Anton Mazkovoi sent the following on 6/12/06 7:03 PM:

> Hi Everyone,
>
> My name is Anton Mazkovoi, and I am one of the JIRA developers at
> Atlassian. We are very happy users of OfBiz Entity Engine and have been
> using it in JIRA for the past 3.5 years, to manage all of JIRA's
> persistence.
>
> Firstly, please let me thank every one who has contributed to OfBiz
> Entity Engine, as it has helped us a great deal! Thank you all for
> putting together this wonderful framework.
>
> JIRA has been "stuck" on OfBiz Entity Engine 2.1.1 for a few years now,
> and time has come to upgrade!
>
> The first decision we have to make is whether to upgrade to the latest
> source in SVN or the snapshot of EE that is shipped with opentaps 0.9.0.
> As we have some patches to merge into the code (I will send details on
> these in another e-mail) we would prefer to go with the latest source. I
> would really appreciate if you could give me some insight on its
> stability and readiness for production prime time.
>
> I would also be very interested to know, if it is possible to use the
> GeronimoTransactionFactory to manage transactions in various application
> servers (i.e. not just Geronimo). Has anyone tried this?
>
> I would also love to hear from anyone who has upgraded from 2.1.1 to the
> latest Entity Engine builds. Are there any guides available that
> describe the required steps? So far I have found:
> http://ofbizwiki.go-integral.com/Wiki.jsp?page=UpgradingOverview
>
> However, I have noticed that the package names in EE had "core" removed.
>
> Are there any other things people have come across that we should keep
> in mind during the upgrade?
>
> During the years of Entity Engine 2.1.1 usage, we have patched a few
> things. Some of them seem to be in the latest source already. However,
> there are still some things that are not there. I will follow up with
> another e-mail describing the patches we have come up with, as we would
> like to get them committed, if possible.
>
> Thanks,
> Anton
>
> P.S. Please forgive me if this e-mail should have been sent to the
> "users" list instead. As I plan to follow up with an e-mail discussing
> patches, to keep the thread in one place, I chose the dev list.
>
>

 
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[Si Chen-2]

If you just need the entity engine and have code that you'd like to  
contribute back to OFBiz, then the current SVN snapshot is better.  
opentaps-0.9.x series still uses the older JOTM/Carol/Minerva  
transactions servers, which are highly stable.  The current SVN  
version uses the geronimo servers.  It seems to be stable as well.

The upgrade itself is not easy from 2.1 to the current SVN because  
the directory structure has been thoroughly re-factored.  
Fortunately, you're just upgrading one component, so it's not as  
bad.  There's a page on the ofbizwiki for upgrading from 2.1.1 to 3.0  
that Brett Palmer wrote.  Do that first.  Then follow the  
instructions here to take you to the current SVN.
http://www.opentaps.org/index.php?
option=com_content&task=blogcategory&id=38&Itemid=68

If you need a snapshot of ofbiz-3.0 I have one and can put it online  
for you.

Good luck, and thanks for giving us JIRA!

Si


On Jun 12, 2006, at 7:03 PM, Anton Mazkovoi wrote:

> Hi Everyone,
>
> My name is Anton Mazkovoi, and I am one of the JIRA developers at
> Atlassian. We are very happy users of OfBiz Entity Engine and have  
> been
> using it in JIRA for the past 3.5 years, to manage all of JIRA's
> persistence.
>
> Firstly, please let me thank every one who has contributed to OfBiz
> Entity Engine, as it has helped us a great deal! Thank you all for
> putting together this wonderful framework.
>
> JIRA has been "stuck" on OfBiz Entity Engine 2.1.1 for a few years  
> now,
> and time has come to upgrade!
>
> The first decision we have to make is whether to upgrade to the latest
> source in SVN or the snapshot of EE that is shipped with opentaps  
> 0.9.0.
> As we have some patches to merge into the code (I will send details on
> these in another e-mail) we would prefer to go with the latest  
> source. I
> would really appreciate if you could give me some insight on its
> stability and readiness for production prime time.
>
> I would also be very interested to know, if it is possible to use the
> GeronimoTransactionFactory to manage transactions in various  
> application
> servers (i.e. not just Geronimo). Has anyone tried this?
>
> I would also love to hear from anyone who has upgraded from 2.1.1  
> to the
> latest Entity Engine builds. Are there any guides available that
> describe the required steps? So far I have found:
> http://ofbizwiki.go-integral.com/Wiki.jsp?page=UpgradingOverview
>
> However, I have noticed that the package names in EE had "core"  
> removed.
>
> Are there any other things people have come across that we should keep
> in mind during the upgrade?
>
> During the years of Entity Engine 2.1.1 usage, we have patched a few
> things. Some of them seem to be in the latest source already. However,
> there are still some things that are not there. I will follow up with
> another e-mail describing the patches we have come up with, as we  
> would
> like to get them committed, if possible.
>
> Thanks,
> Anton
>
> P.S. Please forgive me if this e-mail should have been sent to the
> "users" list instead. As I plan to follow up with an e-mail discussing
> patches, to keep the thread in one place, I chose the dev list.
>
>
> --
> ATLASSIAN - http://www.atlassian.com
> Australia's Fastest Growing Software Company 2002-05 [BRW Magazine]
>
>
> _______________________________________________
> Dev mailing list
> [hidden email]
> http://lists.ofbiz.org/mailman/listinfo/dev

 
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[David E. Jones]

Anton Mazkovoi wrote:
> The first decision we have to make is whether to upgrade to the latest
> source in SVN or the snapshot of EE that is shipped with opentaps 0.9.0.
> As we have some patches to merge into the code (I will send details on
> these in another e-mail) we would prefer to go with the latest source. I
> would really appreciate if you could give me some insight on its
> stability and readiness for production prime time.

As Si mentioned if you want to contribute patches to fix issues or move the tool forward (which would be great!) then yeah, go with the latest revision of the SVN trunk.

There shouldn't be much risk in this as the Entity Engine is really quite stable and hasn't seen many changes in a long time, and no significant backward compatibility breaking in a very long time.

> I would also be very interested to know, if it is possible to use the
> GeronimoTransactionFactory to manage transactions in various application
> servers (i.e. not just Geronimo). Has anyone tried this?

The GeronimoTransactionFactory is just for the embedded Geronimo JTA implementation (using the Jencks Geronimo wrappers). However, there are other TransactionFactory implementations, and even a JNDI one which is most likely to be used when deploying in a more traditional application server that has the JTA interface implementations and JDBC DataSources and such in JNDI.

> I would also love to hear from anyone who has upgraded from 2.1.1 to the
> latest Entity Engine builds. Are there any guides available that
> describe the required steps? So far I have found:
> http://ofbizwiki.go-integral.com/Wiki.jsp?page=UpgradingOverview
>
> However, I have noticed that the package names in EE had "core" removed.
>
> Are there any other things people have come across that we should keep
> in mind during the upgrade?

A few things have been mentioned in other replies to this messages. When upgrading just the Entity Engine you don't have to worry about migrating data or anything like that, which means that most of what users of higher level parts of OFBiz have to go through will not be necessary for you.

The main things that I'm guessing will require effort are any code changes you've made as fair amount has changed over the last few years since 2.1.1. I'd recommend doing a diff between your stuff and the 2.1.1 code base (if you can) and then make sure each change has a new home. That will probably be the bulk of the work needed.

The configuration and such is still almost exactly the same. There are quite a few new features, but older entity definitions and client code using the EE API should just need some import changes and that's it (ie a quick <ctrl>-<shift>-o in Eclipse).

> During the years of Entity Engine 2.1.1 usage, we have patched a few
> things. Some of them seem to be in the latest source already. However,
> there are still some things that are not there. I will follow up with
> another e-mail describing the patches we have come up with, as we would
> like to get them committed, if possible.

It would be great to see these and in general get your feedback. You've obviously put the Entity Engine through the paces, so anything you have to say or contribute would be well appreciated.

> P.S. Please forgive me if this e-mail should have been sent to the
> "users" list instead. As I plan to follow up with an e-mail discussing
> patches, to keep the thread in one place, I chose the dev list.

This is fine. I'm delighted to just see an understanding of the difference between typical users and dev mailing lists!

-David

 
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