Re: reverse engineering partially changed schema

From: Tobias Schoessler (tobias.schoessle..mail.com)
Date: Tue May 12 2009 - 03:48:12 EDT

  • Next message: Tobias Schoessler: "Re: reverse engineering partially changed schema"

    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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