Re: reverse engineering partially changed schema

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Tue May 26 2009 - 02:14:53 EDT

  • Next message: vaibhav: "Cayenne driver load error"

    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 <andru..bjectstyle.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 <andru..bjectstyle.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.schoessle..mail.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 <
    >>>>>>> andru..bjectstyle.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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