Re: Can't modify EO objects! ARGH! =(
Re: Can't modify EO objects! ARGH! =(
- Subject: Re: Can't modify EO objects! ARGH! =(
- From: Goodbye Bill <email@hidden>
- Date: Thu, 17 Jul 2003 16:00:06 -0400
Chuck,
Thank you for the feedback. I have changed that line of code, but I am
still having the same problem. Again, the "Member" object (the new object)
saves fine. It's the "Signup Request" object (the one I loaded from the
database) that fails for any type of update or delete.
Here are the two methods that load and save the objects:
public class Session extends WOSession {
public EOEditingContext oContext = this.defaultEditingContext();
protected SignupRequest my_oCurrentSignupRequest;
protected Member my_oNewSignupMember;
public void CreateEmptySignupMember() {
setNewSignupMember(null);
setNewSignupMember(new Member());
oContext.insertObject(my_oNewSignupMember);
}
public void SaveNewMember() {
if ( isNewSignupMemberCreated() == false ) { return; }
try {
my_oCurrentSignupRequest.setIsAvailable(new Integer(0));
oContext.saveChanges();
isSignupStepCComlete(Boolean.TRUE);
}
catch ( Exception oErr ) {
oErr.printStackTrace();
setSignupError("An unexpected database error occurred while
trying to create your database. Please try again later.");
}
}
}
The only error I receive is:
[2003-07-17 15:49:25 EDT] <WorkerThread3> === Rollback Internal
Transaction
com.webobjects.eoaccess.EOGeneralAdaptorException:
updateValuesInRowDescribedByQualifier --
com.webobjects.jdbcadaptor.JDBCChannel method failed to update
row in database
Any ideas?
On 20030717 1336, "Chuck Hill" <email@hidden> wrote:
> Goodbye Bill wrote:
>> default EC. I then create a new "Member" object without
>> inserting it into the EC. I populate the variables of
>> the "Member" object, stick it into the EC
>>
> Klaxons and red flashing lights go on.
>
> Don't do that! The pattern is:
>
> 1. Create
> 2. Insert
> 3. Populate
> 4. Save
>
> See:
> http://wodev.spearway.com/cgi-bin/WebObjects/WODev.woa/wa/Main?wikiPage=EOFCom
> mandments
>
>
> Chuck
>
>
> Goodbye Bill wrote:
>> Could someone please tell me why I cannot destroy an object in the database
>> once it is loaded into the session?
>>
>> DETAILS:
>> I have a two-step signup process for my web site. Users must create a
>> "Signup Request" including their name and email address. A confirmation
>> code is then sent their email address. They must return to the site and
>> enter this confirmation code before their "Member" object will get created.
>>
>> ISSUE:
>> When the user returns to the site to enter their confirmation code, I load
>> the "Signup Request" object into a local object within the session using the
>> default EC. I then create a new "Member" object without inserting it into
>> the EC. I populate the variables of the "Member" object, stick it into the
>> EC, then attempt to save the "Member" object while blowing away the "Signup
>> Request" object. I have tried this as two separate commands and together as
>> one. The "Member" object always saves fine however I cannot do anything
>> with the "Signup Request" object.
>>
>> ERROR DETAILS FOLLOW:
>> com.webobjects.eoaccess.EOGeneralAdaptorException:
>> updateValuesInRowDescribedByQualifier --
>> com.webobjects.jdbcadaptor.JDBCChannel method failed to update row in
>> database
>> at
>> com.webobjects.eoaccess.EODatabaseContext._exceptionWithDatabaseContextInfor
>> mationAdded(EODatabaseContext.java:4658)
>> at
>> com.webobjects.eoaccess.EODatabaseContext.performChanges(EODatabaseContext.j
>> ava:6365)
>> at
>> com.webobjects.eocontrol.EOObjectStoreCoordinator.saveChangesInEditingContex
>> t(EOObjectStoreCoordinator.java:411)
>> at
>> com.webobjects.eocontrol.EOEditingContext.saveChanges(EOEditingContext.java:
>> 3128)
>> at Session.SaveNewMember(Session.java:85)
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