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From Andrus Adamchik <and...@objectstyle.org>
Subject Re: reverse engineering partially changed schema
Date Tue, 26 May 2009 06:14:53 GMT
No, this is only fixed in 3.0 for now.

On May 26, 2009, at 12:16 AM, Tobias Schoessler wrote:
> Great news, thanks Andrus.
>
> I assume there is no fix for 1.x/2.x?
>
>
>
> On Mon, May 25, 2009 at 4:46 PM, Andrus Adamchik <andrus@objectstyle.org 
> >wrote:
>
>> Sorry, wrong jar URL. Here is the right one:
>>
>>
>> http://hudson.zones.apache.org/hudson/view/Cayenne/job/Cayenne-trunk/lastBuild/org.apache.cayenne$cayenne-modeler-java/
>>
>> Andrus
>>
>>
>>
>> On May 25, 2009, at 5:44 PM, Andrus Adamchik wrote:
>>
>> Hi Tobias,
>>>
>>> This was fixed on trunk recently (you probably got the Jira email
>>> already). The fix didn't make it to the upcoming M6, but will be  
>>> included in
>>> the following releases. For now your option is to build the trunk  
>>> yourself
>>> or get the Modeler from Hudson CI:
>>>
>>>
>>> http://hudson.zones.apache.org/hudson/view/Cayenne/job/Cayenne-trunk/lastBuild/org.apache.cayenne$cayenne-modeler/
>>>
>>> The later option requires a bit of magic.
>>> cayenne-modeler-java-3.0-SNAPSHOT.jar is a jar of a jar. So it  
>>> needs to be
>>> unpacked, and inside you'll see runnable CayenneModeler.jar.
>>>
>>> Andrus
>>>
>>>
>>> On May 13, 2009, at 12:45 PM, Tobias Schoessler wrote:
>>>
>>> I just tried to track down the error and started with a simple two  
>>> table
>>>> schema and enhancing it step by step with relationships to see  
>>>> where it
>>>> breaks.
>>>>
>>>> I was not able to recreate the issues this way.
>>>>
>>>> I then got back to my production schema/mapping and tried to  
>>>> simplify the
>>>> schema to see where it breaks.
>>>>
>>>> It turns out that the error occurs even without a change to the  
>>>> database
>>>> schema.
>>>>
>>>> So with the complete cayenne map, reverse engineering the same  
>>>> database
>>>> schema gives me the "No error message" popup.
>>>>
>>>> I started from scratch yesterday reverse engineered the database  
>>>> and
>>>> added
>>>> the custom mappings with the modeler. So some of my custom  
>>>> mapping must
>>>> cause this error.
>>>>
>>>> this is the same in 1.2 and 3.
>>>>
>>>> I am a bit anxious posting the production schema/mapping here in  
>>>> the
>>>> mailing
>>>> list. Would someone look at it if I did?
>>>>
>>>> thanks
>>>>
>>>> Tobias
>>>>
>>>> On Tue, May 12, 2009 at 4:06 PM, Andrus Adamchik <andrus@objectstyle.org
>>>>> wrote:
>>>>
>>>> Thanks! We'll take a look at it.
>>>>>
>>>>> In general, is there an overview to see the differences of the 3
>>>>> versions
>>>>>
>>>>>> 1.x, 2.x and 3.x?
>>>>>>>
>>>>>>>
>>>>>>
>>>>> 2.0.x is exactly the same as corresponding 1.2.x, only with  
>>>>> package
>>>>> names
>>>>> changed from org.objectstyle to org.apache. 2.0.x is great for  
>>>>> migration
>>>>> from the ObjectStyle releases as it does not introduce any new
>>>>> functionality.
>>>>>
>>>>> 3.0, while still in development is being used in production by  
>>>>> many
>>>>> companies already. We are trying to wrap up the final release  
>>>>> soon, but
>>>>> there are still a few things to finish. Here is a fairly complete
>>>>> overview
>>>>> of 3.0 new features already available:
>>>>>
>>>>> http://cayenne.apache.org/doc/guide-to-30-features.html
>>>>>
>>>>> The list is pretty long and it has a lot of great things  
>>>>> (useable query
>>>>> caching, leak free DataContext, greatly enhanced Modeler,  
>>>>> lifecycle
>>>>> callbacks, more supported attribute types, including Java 5 enums,
>>>>> etc.,
>>>>> etc.)
>>>>>
>>>>> Andrus
>>>>>
>>>>>
>>>>>
>>>>> On May 12, 2009, at 4:37 AM, Tobias Schoessler wrote:
>>>>>
>>>>> I just downloaded 3.0. Started up the Modeler and did the same  
>>>>> remove /
>>>>>
>>>>>> reengineer  / skip existing operation and I got the same empty  
>>>>>> error
>>>>>> message
>>>>>> as with 1.2.
>>>>>>
>>>>>> On Tue, May 12, 2009 at 9:48 AM, Tobias Schoessler <
>>>>>> tobias.schoessler@gmail.com> wrote:
>>>>>>
>>>>>> Thanks Andrus, I have postedit as
>>>>>>
>>>>>>>
>>>>>>> *CAY-1224 <https://issues.apache.org/jira/browse/CAY-1224>*
>>>>>>>
>>>>>>> Andrus, 3.0 is marked in developement. Is it save to be used
in
>>>>>>> production?
>>>>>>>
>>>>>>> In general, is there an overview to see the differences of the
3
>>>>>>> versions
>>>>>>> 1.x, 2.x and 3.x?
>>>>>>>
>>>>>>> Tobias
>>>>>>>
>>>>>>>
>>>>>>> On Tue, May 12, 2009 at 2:50 AM, Andrus Adamchik <
>>>>>>> andrus@objectstyle.org
>>>>>>>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>
>>>>>>> Hi Tobias,
>>>>>>>
>>>>>>>>
>>>>>>>> This looks like a bug to me. Probably worth opening a bug
 
>>>>>>>> report, but
>>>>>>>> the
>>>>>>>> easiest thing would be to upgrade to Cayenne 3.0 for instance.
>>>>>>>> Chances
>>>>>>>> are
>>>>>>>> this problem is fixed there already.
>>>>>>>>
>>>>>>>> Andrus
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On May 11, 2009, at 10:24 AM, Tobias Schoessler wrote:
>>>>>>>>
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>>
>>>>>>>>> I get an error in the CayenneModeler 1.2.4  when reverse
 
>>>>>>>>> engineering
>>>>>>>>> my
>>>>>>>>> schema partially.
>>>>>>>>>
>>>>>>>>> CayenneModeler INFO  [Thread-13 04-27 15:02:50]
>>>>>>>>> org.objectstyle.cayenne.modeler.dialog.db.DbLoaderHelper:
 
>>>>>>>>> Exception
>>>>>>>>> on
>>>>>>>>> reverse engineering
>>>>>>>>> java.lang.NullPointerException
>>>>>>>>> at
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> org 
>>>>>>>>> .objectstyle 
>>>>>>>>> .cayenne.access.DbLoader.loadDbRelationships(DbLoader.java:

>>>>>>>>> 661)
>>>>>>>>>
>>>>>>>>> at
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> org 
>>>>>>>>> .objectstyle 
>>>>>>>>> .cayenne.access.DbLoader.loadDbEntities(DbLoader.java:488)
>>>>>>>>> at
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> org 
>>>>>>>>> .objectstyle 
>>>>>>>>> .cayenne.access.DbLoader.loadDataMapFromDB(DbLoader.java:775)
>>>>>>>>>
>>>>>>>>> at
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> org 
>>>>>>>>> .objectstyle 
>>>>>>>>> .cayenne.access.DbLoader.loadDataMapFromDB(DbLoader.java:758)
>>>>>>>>>
>>>>>>>>> at
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> org.objectstyle.cayenne.modeler.dialog.db.DbLoaderHelper

>>>>>>>>> $LoadDataMapTask.execute(DbLoaderHelper.java:388)
>>>>>>>>>
>>>>>>>>> at
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> org 
>>>>>>>>> .objectstyle 
>>>>>>>>> .cayenne 
>>>>>>>>> .modeler 
>>>>>>>>> .util.LongRunningTask.internalExecute(LongRunningTask.java:

>>>>>>>>> 251)
>>>>>>>>>
>>>>>>>>> at
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> org.objectstyle.cayenne.modeler.util.LongRunningTask

>>>>>>>>> $1.run(LongRunningTask.java:139)
>>>>>>>>>
>>>>>>>>> at java.lang.Thread.run(Unknown Source)
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> I have updated a portion of the schema in  the database.
I  
>>>>>>>>> delete
>>>>>>>>> the
>>>>>>>>> DbEntities and ObjEntities of the tables that were changed.
>>>>>>>>>
>>>>>>>>> I then click reverse Engineer from database. I get popups
 
>>>>>>>>> asking
>>>>>>>>> whether
>>>>>>>>> to
>>>>>>>>> overwrite existing Objects. I click "remember my decision"
 
>>>>>>>>> and NO.
>>>>>>>>>
>>>>>>>>> at the end I get an error popup without a message. It
is just
>>>>>>>>> containing
>>>>>>>>> the
>>>>>>>>> red error icon and a title reading "Error Reengineering
 
>>>>>>>>> Database".
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> This error does occur also when I select not to remember
my  
>>>>>>>>> decision
>>>>>>>>> and
>>>>>>>>> click through each popup one by one.
>>>>>>>>>
>>>>>>>>> When reverse engineering the whole database, removing
all
>>>>>>>>> ObjEntities
>>>>>>>>> and
>>>>>>>>> all DBEntities, before reverse engineering the error
does  
>>>>>>>>> not occur.
>>>>>>>>> I
>>>>>>>>> have
>>>>>>>>> many custom mappings redoing  the existing mapping is
not  
>>>>>>>>> really an
>>>>>>>>> option.
>>>>>>>>>
>>>>>>>>> Any help highly appreciated.
>>>>>>>>>
>>>>>>>>> thanks,Tobias
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>
>>>
>>>
>>


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