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From Tobias Schoessler <tobias.schoess...@gmail.com>
Subject Re: reverse engineering partially changed schema
Date Tue, 12 May 2009 07:48:12 GMT
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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