date:20060802

Re: Mysterious EditingContext Swap

2006-08-02 Thread shaun


Hi Owen,


I have seen this error before but I am only guessing as to the cause of 
it in your case.


It seems that all the objects  are in the correct context so printing 
ec.insertedObjects is probably not going to help.


From the code and comments you have made in the email, it seems that 
the active context is getting set somehow.
The only way that I know to make the active context is to use it in a 
fetch or possibly a relationship traversal from an object in a different 
context.


I would try removing the PersonLDAP section of code, it could be the 
LDAP fetch that is the cause of the error.


cheers,
 - shaun


Owen McKerrow wrote:
Nope, not paraphrasing. You can see the full error message at bottom  of 
the email.


The only time I have heard of the active editing context is for a save.

Nope haven't had the chnace yet to separate this out to its own project.

Heres the full code ( it includes our RADIUS authentication methods  
which I did paste before ):


// Generated by the WebObjects Assistant Mon Feb 07 14:26:32  
Australia/Sydney 2005


import com.webobjects.foundation.*;
import com.webobjects.appserver.*;
import com.webobjects.eocontrol.*;
import com.webobjects.eoaccess.*;

import net.sourceforge.jradiusclient.*;
import net.sourceforge.jradiusclient.exception.*;

public class Main extends WOComponent {

protected Application app;
protected EOEditingContext ec;
protected NSMutableDictionary bindings;


protected String userName;

protected String password;
protected String errorMessage;
protected boolean forgotPassword;
protected boolean thankyou;
protected boolean emailAddress;
protected boolean gotMobile;

private String secretHandshake;

private String hostName;
private RadiusClient rc;
private String exitCode;



//- The Constructors  
-


public Main( WOContext context ) throws Exception
{
super(context);

app = (Application)Application.application();
//ec = ((Session)session()).defaultEditingContext();
ec = new EOEditingContext();
System.out.println(Editing Context just been made :  + ec);
//((Session)session()).resetCrumbs();
   
   
secretHandshake = *;

hostName = radius.uow.edu.au;

RadiusClient rc = null;
   
NSArray mems;

forgotPassword = false;
thankyou = false;
emailAddress = false;
gotMobile = false;
   
}


//--- WOComponent Functions  
---


//Called when the Persons clicks the submit button to login
public WOComponent checkLogin() throws Exception
{
errorMessage = ;
WOComponent nextPage = null;

   
//If both fields have some data in them

if ( userName != null  password != null )
{

userName.trim();
password.trim();
   


try {
rc = new RadiusClient(hostName,  
1812,1813,secretHandshake,userName);

} catch(java.net.SocketException soex) {
app.setErrorMessage(Unable to create Radius Client 
due to  failure to create socket!);

throw soex;
}  catch(java.security.NoSuchAlgorithmException nsaex) {
app.setErrorMessage(Unable to create Radius Client 
due to  failure to create MD5 MessageDigest!);

throw nsaex;
} catch(InvalidParameterException ivpex) {
app.setErrorMessage(Unable to create Radius Client 
due to  invalid parameter!  + ivpex.getMessage() );

throw ivpex;
}

try {
   
boolean returned;

if (app.debugMode )
{
returned = true;
}
else
{
returned = authenticate(rc,password,null);
}
   
   
// Radius confirmed the userName and password are valid

if (returned)
{
nextPage = (Menu)pageWithName(Menu);
//check if the user is in the recipient table
checkRecipient();
   
}

else
{
errorMessage = span class=\failure\User 
name  Password  incorrect/span;

if (isUppercase(password)) {
errorMessage += span 
class=\failure\brCheck Caps lock  is not on./span;

}
}
   
} catch(InvalidParameterException ivpex){

PostgreSQL duplicate primary key error

2006-08-02 Thread François Reboursier


Hi list,

	I'm running accross a strange problem: when inserting multiple  
objects of the same class to the DB, I get the following exception:
SQL State:23505 -- error code: 0 -- msg: ERROR: duplicate key  
violates unique constraint moduleinmodule_pk

When inserting one object at time, it works great.

Example in less-than-pseudo-code:

Create instance of object
Insert object to editing context
Modify object
Create other instance of the same class
Insert to EC
Modify object
EC.saveChanges()
 = crash

Create instance of object
Insert object to editing context
Modify object
EC.saveChanges()
= it works

The EOModel is properly configured, the primary key is not editable
It happens only with objects of this class ('moduleinmodule')

Configuration: WO 5.3.1, PostgreSQL 8.0.1

Do you have any pointers?

Regards,
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Re: PostgreSQL duplicate primary key error

2006-08-02 Thread Miguel Arroz


Hi!

  Are you doing anything with relationships? That happened to me  
when I modeled some relationships in the wrong way.


  Also, have you installed both PSQL plugins (the framework, and the  
one for Modeler) and generated the SQL in the Modeler correctly?


  Yours

Miguel Arroz

On 2006/08/02, at 11:09, François Reboursier wrote:


Hi list,

	I'm running accross a strange problem: when inserting multiple  
objects of the same class to the DB, I get the following exception:
SQL State:23505 -- error code: 0 -- msg: ERROR: duplicate key  
violates unique constraint moduleinmodule_pk

When inserting one object at time, it works great.

Example in less-than-pseudo-code:

Create instance of object
Insert object to editing context
Modify object
Create other instance of the same class
Insert to EC
Modify object
EC.saveChanges()
 = crash

Create instance of object
Insert object to editing context
Modify object
EC.saveChanges()
= it works

The EOModel is properly configured, the primary key is not editable
It happens only with objects of this class ('moduleinmodule')

Configuration: WO 5.3.1, PostgreSQL 8.0.1

Do you have any pointers?

Regards,
François ___
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40guiamac.com


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  GUERRA E' PAZ
   LIBERDADE E' ESCRAVIDAO
   IGNORANCIA E' FORCA   -- 1984

Miguel Arroz
http://www.ipragma.com



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RE: MSSQL Server 2005 Unicode Support and EOF

2006-08-02 Thread Webobjects

Perhaps 
http://www.wodeveloper.com/omniLists/webobjects-talk/2004/January/msg00018.html
may give some hints how to patch the SQL in the desired way.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Dov Rosenberg
Sent: Monday, July 31, 2006 8:54 PM
To: WebObjects Dev
Subject: MSSQL Server 2005 Unicode Support and EOF

We have come across an issue supporting MSSQLServer 2005 and unicode languages 
in our WO/WOF based application. Our app has the ability to store multiple 
languages in a single database. In Oracle we use an AL32UTF8 character 
collation sequence and everything works fine. For SQL Server it appears that 
the only way I can store unicode characters in a table is that the columns need 
to be of type nchar, ntext, or nvarchar and a hint needs to be included in the 
INSERT or UDPATE clause that tells SQL Server that the string is a unicode 
string. For example:

For the following table
CREATE TABLE [CONTENTDATA] ( 
[RECORDID]nvarchar(64) NOT NULL,
[XML] ntext NULL,
CONSTRAINT [PK_CONTENTDATA] PRIMARY KEY([RECORDID])
)

insert into CONTENTDATA (RECORDID, XML) values (newid(), N'附属原爆後障害医療研究施設');

In case the japanese characters didn’t come thru the mail list:
insert into CONTENTDATA (RECORDID, XML) values (newid(), N'some unicoded 
string');

Notice the N in front of the string – that tells SQL Server to store it as 
unicode for the nchar, ntext, and nvarchar columns (not sure why it wouldn’t do 
that automatically for those datatypes). It appears that if I do an INSERT 
using the above notation the only way I can retrieve the data is appending the 
N into the qualifier as well. For example:

select * from CONTENTDATA where XML like N'附属原%'; -- will retrieve the record 
inserted above
select * from CONTENTDATA where XML like '附属原%';  -- will NOT retrieve the 
record inserted above

QUESTION: How/where can I modify the JDBC Plugin for EOF to adjust the way it 
generates the INSERT and UPDATE clauses of the outgoing SQL? 
QUESTION: How can I modify the JDBC Plugin to do the SELECT qualifiers?

-- 
Dov Rosenberg
Inquira
Knowledge Management Experts
http://www.inquira.com
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Re: Mysterious EditingContext Swap

2006-08-02 Thread Jerry W. Walker


Hi, Owen,

Though I'm not sure what's causing your error, it sounds like you  
might be having a contention issue with your EOEditingContext. I  
notice that you're not locking it until you're ready to saveChanges  
on it.


When creating your own EOEditingContext (vs. using Sessions  
defaultEditingContext), it should be locked before ANY use (including  
such things as creating or obtaining EOs through it, updating EOs in  
it, deleting EOs from it, etc.).


The best way I know of doing that is by using Jonathan Rochkind's  
MultiECLockManager (or Chuck Hill's customization of it).


You can find it at:

http://www.wocode.com/WOCode/Files/MultiECLockManager.java

I can't see anything else in the code that would cause such a problem.

Regards,
Jerry

On Aug 1, 2006, at 11:50 PM, Owen McKerrow wrote:

Nope, not paraphrasing. You can see the full error message at  
bottom of the email.


The only time I have heard of the active editing context is for a  
save.


Nope haven't had the chnace yet to separate this out to its own  
project.


Heres the full code ( it includes our RADIUS authentication methods  
which I did paste before ):


// Generated by the WebObjects Assistant Mon Feb 07 14:26:32  
Australia/Sydney 2005


import com.webobjects.foundation.*;
import com.webobjects.appserver.*;
import com.webobjects.eocontrol.*;
import com.webobjects.eoaccess.*;

import net.sourceforge.jradiusclient.*;
import net.sourceforge.jradiusclient.exception.*;

public class Main extends WOComponent {

protected Application app;
protected EOEditingContext ec;
protected NSMutableDictionary bindings;


protected String userName;
protected String password;
protected String errorMessage;
protected boolean forgotPassword;
protected boolean thankyou;
protected boolean emailAddress;
protected boolean gotMobile;

private String secretHandshake;
private String hostName;
private RadiusClient rc;
private String exitCode;



//- The Constructors  
-


public Main( WOContext context ) throws Exception
{
super(context);

app = (Application)Application.application();
//ec = ((Session)session()).defaultEditingContext();
ec = new EOEditingContext();
System.out.println(Editing Context just been made :  + ec);
//  ((Session)session()).resetCrumbs();


secretHandshake = *;

hostName = radius.uow.edu.au;
RadiusClient rc = null;

NSArray mems;
forgotPassword = false;
thankyou = false;
emailAddress = false;
gotMobile = false;

}

//--- WOComponent Functions  
---


//Called when the Persons clicks the submit button to login
public WOComponent checkLogin() throws Exception
{
errorMessage = ;
WOComponent nextPage = null;


//If both fields have some data in them
if ( userName != null  password != null )
{

userName.trim();
password.trim();


try {
	rc = new RadiusClient(hostName,  
1812,1813,secretHandshake,userName);

} catch(java.net.SocketException soex) {
	app.setErrorMessage(Unable to create Radius Client due to  
failure to create socket!);

throw soex;
}  catch(java.security.NoSuchAlgorithmException 
nsaex) {
	app.setErrorMessage(Unable to create Radius Client due to  
failure to create MD5 MessageDigest!);

throw nsaex;
} catch(InvalidParameterException ivpex) {
	app.setErrorMessage(Unable to create Radius Client due to  
invalid parameter!  + ivpex.getMessage() );

throw ivpex;
}

try {

boolean returned;
if (app.debugMode )
{
returned = true;
}
else
{
returned = 
authenticate(rc,password,null);
}


// Radius confirmed the userName and 
password are valid

Re: Event update ; notice

2006-08-02 Thread Pascal Robert


Maybe we can meet up in the King George's Bar  Lounge ?

http://kinggeorge.com/dining-winston.html

Yes.  I'll be there with one of my colleagues (must remind him to add 
his name to the list!)


What time on Sunday are people practising?

Karl

On 2-Aug-06, at 8:16 AM, Pascal Robert wrote:



Le 06-08-01 à 17:44, Chuck Hill a écrit :



On Aug 1, 2006, at 2:40 PM, Ken Anderson wrote:


Of course! drink 7 sodas instead :)

My guess is, other people will easily make up the shortfall.


Heck, I can probably drink an entire bottle of beer by myself!

My flight gets in at 6:30PM on Sunday. Anyone want to get in a night 
of practice on Sunday?


We're coming in at 12:20 PM on Sunday, so we can participate in the 
pratice.


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Re: Event update ; notice

2006-08-02 Thread Ken Anderson

I was planning on making this dinner, since I'll be heading straight  
from the airport...  It doesn't seem like they have food there.  Do  
they?


On Aug 2, 2006, at 9:15 AM, Pascal Robert wrote:


Maybe we can meet up in the King George's Bar  Lounge ?

http://kinggeorge.com/dining-winston.html

Yes.  I'll be there with one of my colleagues (must remind him to  
add his name to the list!)


What time on Sunday are people practising?

Karl

On 2-Aug-06, at 8:16 AM, Pascal Robert wrote:



Le 06-08-01 à 17:44, Chuck Hill a écrit :



On Aug 1, 2006, at 2:40 PM, Ken Anderson wrote:


Of course! drink 7 sodas instead :)

My guess is, other people will easily make up the shortfall.


Heck, I can probably drink an entire bottle of beer by myself!

My flight gets in at 6:30PM on Sunday. Anyone want to get in a  
night of practice on Sunday?


We're coming in at 12:20 PM on Sunday, so we can participate in  
the pratice.


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connection dictionary error

2006-08-02 Thread Tarun Reddy

So I'm trying to get back into WebObjects after dabbling last year a  
bit. Last night I attempted to deploy a simple application that does  
some CRUD type operations into a Tomcat instance (thank you Andrew,  
http://homepage.mac.com/andrewlindesay/le/articles/wo-tomcat.pdf).


The application deploys correctly and the login page comes up, but I  
get the following errors when attempting to access the database  
(Oracle XE in this case).



- An exception occurred while trying to open a channel:  
com.webobjects.jdbcadaptor.JDBCAdaptorException: Cannot create JDBC  
driver of class '' for connect URL 'null'
- com.webobjects.appserver._private.WOComponentRequestHandler:  
Exception occurred while handling request:
java.lang.IllegalStateException: _obtainOpenChannel --  
com.webobjects.eoaccess.EODatabaseContext  
[EMAIL PROTECTED]: failed to open  
database channel.  Check your connection dictionary, and ensure your  
database is correctly configured.



I assume (but you know the saying about that word) that I'm basically  
not getting the correct JDBC URL plugged in for my deployment, even  
though it may be set up correctly in the EOModel file. Andrews  
documentation refers to setConnectionDictionary call... and I assume  
that I may need that, but feel a bit lost. FWIW, the app behaves  
correctly when run out of Xcode.


Thanks in advance,
Tarun
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Re: connection dictionary error

2006-08-02 Thread John Larson


Tarun,

I deploy to Tomcat, and in my web.xml file I have to comment out the  
following block:


!--
  resource-ref
descriptionThe data source to be used by EOF. If there are  
multiple data sources,
 then the definition below must be used to configure  
which JDBC URL (Model) should
 use which data source. If EOF should use a JDBC  
driver directly, this section must be commented out/description

res-ref-namejdbc/DefaultDataSource/res-ref-name
res-typejavax.sql.DataSource/res-type
res-authContainer/res-auth
  /resource-ref
--

There's probably a better way to do it, but this is how I handle it.   
Otherwise tomcat tries to use its db connector instead of the JDBC  
driver directly.


John

On Aug 2, 2006, at 9:54 AM, Tarun Reddy wrote:

So I'm trying to get back into WebObjects after dabbling last year  
a bit. Last night I attempted to deploy a simple application that  
does some CRUD type operations into a Tomcat instance (thank you  
Andrew, http://homepage.mac.com/andrewlindesay/le/articles/wo- 
tomcat.pdf).


The application deploys correctly and the login page comes up, but  
I get the following errors when attempting to access the database  
(Oracle XE in this case).



- An exception occurred while trying to open a channel:  
com.webobjects.jdbcadaptor.JDBCAdaptorException: Cannot create JDBC  
driver of class '' for connect URL 'null'
- com.webobjects.appserver._private.WOComponentRequestHandler:  
Exception occurred while handling request:
java.lang.IllegalStateException: _obtainOpenChannel --  
com.webobjects.eoaccess.EODatabaseContext  
[EMAIL PROTECTED]: failed to open  
database channel.  Check your connection dictionary, and ensure  
your database is correctly configured.



I assume (but you know the saying about that word) that I'm  
basically not getting the correct JDBC URL plugged in for my  
deployment, even though it may be set up correctly in the EOModel  
file. Andrews documentation refers to setConnectionDictionary  
call... and I assume that I may need that, but feel a bit lost.  
FWIW, the app behaves correctly when run out of Xcode.


Thanks in advance,
Tarun
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Re: Event update ; notice

2006-08-02 Thread Pascal Robert

They say « appetizers » on the page, but they don't mention which ones 
:-/


I was planning on making this dinner, since I'll be heading straight 
from the airport...  It doesn't seem like they have food there.  Do 
they?


On Aug 2, 2006, at 9:15 AM, Pascal Robert wrote:


Maybe we can meet up in the King George's Bar  Lounge ?

http://kinggeorge.com/dining-winston.html

Yes.  I'll be there with one of my colleagues (must remind him to 
add his name to the list!)


What time on Sunday are people practising?

Karl

On 2-Aug-06, at 8:16 AM, Pascal Robert wrote:



Le 06-08-01 à 17:44, Chuck Hill a écrit :



On Aug 1, 2006, at 2:40 PM, Ken Anderson wrote:


Of course! drink 7 sodas instead :)

My guess is, other people will easily make up the shortfall.


Heck, I can probably drink an entire bottle of beer by myself!

My flight gets in at 6:30PM on Sunday. Anyone want to get in a 
night of practice on Sunday?


We're coming in at 12:20 PM on Sunday, so we can participate in the 
pratice.


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Wonder Ajax

2006-08-02 Thread Mike Schrag

I thought people might like to play with some of the Wonder Ajax  
components to see some of the things you can do, so I put up a public  
copy of the AjaxExample app from Wonder:


http://www.mdimension.com/cgi-bin/WebObjects/AjaxExample.woa

ms
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Re: Wonder Ajax

2006-08-02 Thread Ken Anderson


This stuff is cool Mike!

I wonder what the Web 2.0 session at WWDC will be like...  Also, do I  
have to take all of wonder to get this?


Ken

On Aug 2, 2006, at 11:58 AM, Mike Schrag wrote:

I thought people might like to play with some of the Wonder Ajax  
components to see some of the things you can do, so I put up a  
public copy of the AjaxExample app from Wonder:


http://www.mdimension.com/cgi-bin/WebObjects/AjaxExample.woa

ms
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Re: connection dictionary error

2006-08-02 Thread Tarun Reddy


Thanks John! Worked perfectly.

And now rereading the PDF, it says to do exactly that. RTFM...

Tarun

On Aug 2, 2006, at 9:37 AM, John Larson wrote:


Tarun,

I deploy to Tomcat, and in my web.xml file I have to comment out  
the following block:


!--
  resource-ref
descriptionThe data source to be used by EOF. If there are  
multiple data sources,
 then the definition below must be used to  
configure which JDBC URL (Model) should
 use which data source. If EOF should use a JDBC  
driver directly, this section must be commented out/description

res-ref-namejdbc/DefaultDataSource/res-ref-name
res-typejavax.sql.DataSource/res-type
res-authContainer/res-auth
  /resource-ref
--

There's probably a better way to do it, but this is how I handle  
it.  Otherwise tomcat tries to use its db connector instead of the  
JDBC driver directly.


John

On Aug 2, 2006, at 9:54 AM, Tarun Reddy wrote:

So I'm trying to get back into WebObjects after dabbling last year  
a bit. Last night I attempted to deploy a simple application that  
does some CRUD type operations into a Tomcat instance (thank you  
Andrew, http://homepage.mac.com/andrewlindesay/le/articles/wo- 
tomcat.pdf).


The application deploys correctly and the login page comes up, but  
I get the following errors when attempting to access the database  
(Oracle XE in this case).



- An exception occurred while trying to open a channel:  
com.webobjects.jdbcadaptor.JDBCAdaptorException: Cannot create  
JDBC driver of class '' for connect URL 'null'
- com.webobjects.appserver._private.WOComponentRequestHandler:  
Exception occurred while handling request:
java.lang.IllegalStateException: _obtainOpenChannel --  
com.webobjects.eoaccess.EODatabaseContext  
[EMAIL PROTECTED]: failed to open  
database channel.  Check your connection dictionary, and ensure  
your database is correctly configured.



I assume (but you know the saying about that word) that I'm  
basically not getting the correct JDBC URL plugged in for my  
deployment, even though it may be set up correctly in the EOModel  
file. Andrews documentation refers to setConnectionDictionary  
call... and I assume that I may need that, but feel a bit lost.  
FWIW, the app behaves correctly when run out of Xcode.


Thanks in advance,
Tarun
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Re: Event update ; notice

2006-08-02 Thread Gavin Eadie


At 12:32 PM -0700 8/1/06, Joe Little wrote:

Details are always listed at http://www.global-village.net/chill.at.gvc


... would it be useful, or is it too late to be useful, to add a 
column to describe our relationship to WebObjects (in terms of years 
of experience and/or areas of interest) ?  That might help clusters 
of similar interest to form in a large group.  I'd considered going 
back through the list archives to see if I could deduce this info for 
myself, but it seems self-description would be better


or, maybe, if the room suits, identify a few tables : novices / eo 
experts / wonder wizards / ajax advocates / etc

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Re: Event update ; notice

2006-08-02 Thread Ken Anderson


Please include only really use EOF too :)

On Aug 2, 2006, at 12:42 PM, Gavin Eadie wrote:


At 12:32 PM -0700 8/1/06, Joe Little wrote:
Details are always listed at http://www.global-village.net/ 
chill.at.gvc


... would it be useful, or is it too late to be useful, to add a  
column to describe our relationship to WebObjects (in terms of  
years of experience and/or areas of interest) ?  That might help  
clusters of similar interest to form in a large group.  I'd  
considered going back through the list archives to see if I could  
deduce this info for myself, but it seems self-description would be  
better


or, maybe, if the room suits, identify a few tables : novices /  
eo experts / wonder wizards / ajax advocates / etc

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Snapshot error

2006-08-02 Thread David Griffith

_globalID = _EOIntegralKeyGlobalID[Product (java.lang.Integer)246]; _databaseOperator = "EODatabaseUpdateOperator"; } does not contain value for attribute named prodMainLocation with snapshot key: prodMainLocationprodMainLocation is an attribute of one of the entities in the EOModel.  I added it yesterday, added the column to the database and now I am randomly getting this error when trying to update the product table.Does anyone know what it means?Kind regards,David. ___
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Re: Snapshot error

2006-08-02 Thread Chuck Hill

When this happens the first thing I do is swear.  :-) Then I quit  
Xcode, rm -r build/ in the project(s).   Open Xcode and the project  
and run it again.


Chuck


On Aug 2, 2006, at 9:58 AM, David Griffith wrote:

_globalID = _EOIntegralKeyGlobalID[Product (java.lang.Integer)246];  
_databaseOperator = EODatabaseUpdateOperator; } does not contain  
value for attribute named prodMainLocation with snapshot key:  
prodMainLocation


prodMainLocation is an attribute of one of the entities in the  
EOModel.  I added it yesterday, added the column to the database  
and now I am randomly getting this error when trying to update the  
product table.


Does anyone know what it means?

Kind regards,
David.
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Practical WebObjects - for developers who want to increase their  
overall knowledge of WebObjects or who are trying to solve specific  
problems.http://www.global-village.net/products/practical_webobjects





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Re: Event update ; notice

2006-08-02 Thread Chuck Hill

That might be an OK, if small, place to meet.  However, I need to eat  
as well and the lounge is not a good place for that.  As we already  
have directions to The Thirsty Bear, shall we meet there?  They are  
open Sunday  5:00pm -10:00pm


Chuck


On Aug 2, 2006, at 6:15 AM, Pascal Robert wrote:


Maybe we can meet up in the King George's Bar  Lounge ?

http://kinggeorge.com/dining-winston.html

Yes.  I'll be there with one of my colleagues (must remind him to  
add his name to the list!)


What time on Sunday are people practising?

Karl

On 2-Aug-06, at 8:16 AM, Pascal Robert wrote:



Le 06-08-01 à 17:44, Chuck Hill a écrit :



On Aug 1, 2006, at 2:40 PM, Ken Anderson wrote:


Of course! drink 7 sodas instead :)

My guess is, other people will easily make up the shortfall.


Heck, I can probably drink an entire bottle of beer by myself!

My flight gets in at 6:30PM on Sunday. Anyone want to get in a  
night of practice on Sunday?


We're coming in at 12:20 PM on Sunday, so we can participate in  
the pratice.


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WebObjects and Xcode http://www.global-village.net/wointro


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Re: Snapshot error

2006-08-02 Thread Jonny Meijer

Oh yeah, I forgot that using XCode can cause those issues ... that's  
what I get for using Eclipse and then getting real exceptions!


Jonny

On Aug 2, 2006, at 1:07 PM, Chuck Hill wrote:

When this happens the first thing I do is swear.  :-) Then I quit  
Xcode, rm -r build/ in the project(s).   Open Xcode and the project  
and run it again.


Chuck


On Aug 2, 2006, at 9:58 AM, David Griffith wrote:

_globalID = _EOIntegralKeyGlobalID[Product (java.lang.Integer) 
246]; _databaseOperator = EODatabaseUpdateOperator; } does not  
contain value for attribute named prodMainLocation with snapshot  
key: prodMainLocation


prodMainLocation is an attribute of one of the entities in the  
EOModel.  I added it yesterday, added the column to the database  
and now I am randomly getting this error when trying to update the  
product table.


Does anyone know what it means?

Kind regards,
David.
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WebObjects and Xcode http://www.global-village.net/wointro


Practical WebObjects - for developers who want to increase their  
overall knowledge of WebObjects or who are trying to solve specific  
problems.http://www.global-village.net/products/ 
practical_webobjects





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Re: Event update ; notice

2006-08-02 Thread Pascal Robert

Maybe we can make more noise than the MacEntreprise people, their  
meetup is Sunday from 4pm to 7pm at the The Thirsty Bear :-)


That might be an OK, if small, place to meet.  However, I need to eat  
as well and the lounge is not a good place for that.  As we already  
have directions to The Thirsty Bear, shall we meet there?  They are  
open Sunday  5:00pm -10:00pm


Chuck


On Aug 2, 2006, at 6:15 AM, Pascal Robert wrote:


Maybe we can meet up in the King George's Bar  Lounge ?

http://kinggeorge.com/dining-winston.html

Yes.  I'll be there with one of my colleagues (must remind him to  
add his name to the list!)


What time on Sunday are people practising?

Karl

On 2-Aug-06, at 8:16 AM, Pascal Robert wrote:



Le 06-08-01 à 17:44, Chuck Hill a écrit :



On Aug 1, 2006, at 2:40 PM, Ken Anderson wrote:


Of course! drink 7 sodas instead :)

My guess is, other people will easily make up the shortfall.


Heck, I can probably drink an entire bottle of beer by myself!

My flight gets in at 6:30PM on Sunday. Anyone want to get in a  
night of practice on Sunday?


We're coming in at 12:20 PM on Sunday, so we can participate in the  
pratice.


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Coming sometime... - an introduction to web applications using  
WebObjects and Xcode http://www.global-village.net/wointro


Practical WebObjects - for developers who want to increase their  
overall knowledge of WebObjects or who are trying to solve specific  
problems. 
http://www.global-village.net/products/practical_webobjects





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--
Pascal Robert
Spécialiste en informatique/IT Specialist
OS communications informatiques inc.
+1 450 676-1238 x28
http://www.os.ca

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Re: Event update ; notice

2006-08-02 Thread Pascal Robert



Le 06-08-02, à 12:42, Gavin Eadie a écrit :


At 12:32 PM -0700 8/1/06, Joe Little wrote:
Details are always listed at 
http://www.global-village.net/chill.at.gvc


... would it be useful, or is it too late to be useful, to add a 
column to describe our relationship to WebObjects (in terms of years 
of experience and/or areas of interest) ?  That might help clusters of 
similar interest to form in a large group.  I'd considered going back 
through the list archives to see if I could deduce this info for 
myself, but it seems self-description would be better


Maybe it's time to consider doing a worldwide WO user group/alliance :-)

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Re: WebObject's Application Wins Campus Technology Innovator Competition

2006-08-02 Thread Chuck Hill


We're just the carpenters on this one.  Dr. Maybaum is the genius.

Chuck

On Aug 2, 2006, at 10:42 AM, Ken Anderson wrote:


Congrats Chuck!

On Aug 2, 2006, at 1:39 PM, Chuck Hill wrote:


In the Web category.

Programming was done in Apple’s WebObjects environment. “The cost- 
effectiveness of developing in WebObjects, and of deploying on  
the OS X Server platform, were critical in making this project  
possible within a very small budget,” says Maybaum.


See:
http://www.campus-technology.com/article.asp?id=18938
and
http://www.campus-technology.com/article.asp?id=18945


Chuck

--
Coming sometime... - an introduction to web applications using  
WebObjects and Xcode http://www.global-village.net/wointro


Practical WebObjects - for developers who want to increase their  
overall knowledge of WebObjects or who are trying to solve  
specific problems.http://www.global-village.net/products/ 
practical_webobjects





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Re: Validation Exception (Modified by Marcos Trejo Munguia)

2006-08-02 Thread Marcos Trejo Munguia

I have my own editing contexts, one per component to be more specific, and I'm using the MultiECLockManager to handle the lock/unlock, also I don't use additional threads, here is more code, maybe something is wrong in it:

public void deleteItem() {

transaction.removeObjectFromBothSidesOfRelationshipWithKey(transactionDetailIterator, inventorytransdetails);
ec.deleteObject(transactionDetailIterator);
}

the above method is used to remove details from the header, before saving changes I call this method in InventoryTransHeader to update the inventory:

public void updateInventory() throws InsuficientMaterialException {
try {
EOEditingContext ec = editingContext();
ec.refaultAllObjects();
ec.setFetchTimestamp(System.currentTimeMillis());
for (Enumeration enum = inventorytransdetailsSorted().objectEnumerator(); enum.hasMoreElements(); ) {
InventoryTransDetail iterator = (InventoryTransDetail)enum.nextElement();
if (iterator.product() == null || iterator.location() == null) throw new NullPointerException();
Inventory inventory = iterator.location().getInventory(iterator.product(), iterator.prefix(), iterator.lot(), iterator.materialStatus());
if (inventory == null  iterator.transsign().intValue() == 1) {
inventory = new Inventory();
ec.insertObject(inventory);

inventory.addObjectToBothSidesOfRelationshipWithKey(iterator.location(), location);

inventory.addObjectToBothSidesOfRelationshipWithKey(iterator.product(), product);
inventory.setPrefix(iterator.prefix());
inventory.setLot(iterator.lot());
inventory.setSecondarylot(iterator.secondarylot());
inventory.setStatus(Constant.STATUS_ENABLED);
inventory.setQty(iterator.qty());
}
else {
if (inventory == null || (iterator.transsign().intValue() == -1  inventory.qty().compareTo(iterator.qty())  0)) {

throw new InsuficientMaterialException(iterator);
}
else {
if (iterator.lot() == null) {
iterator.setPrefix(inventory.prefix());
iterator.setLot(inventory.lot());
}

inventory.setQty(inventory.qty().add(iterator.qty().multiply(iterator.transsign(;
}
}
}
if (ec.hasChanges()) {
if (ec.updatedObjects() != null  ec.updatedObjects().count() > 0) {
for (Enumeration enum = ec.updatedObjects().objectEnumerator(); enum.hasMoreElements(); ) {
EOEnterpriseObject eo = (EOEnterpriseObject)enum.nextElement();
if (eo instanceof Inventory  !ec.insertedObjects().containsObject(eo)) {

if (((Inventory)eo).qty().compareTo(Constant.ZERO) == 0) {

eo.removeObjectFromBothSidesOfRelationshipWithKey(((Inventory)eo).location(), location);

eo.removeObjectFromBothSidesOfRelationshipWithKey(((Inventory)eo).product(), product);
ec.deleteObject(eo);
}
}
}
}
}
}
catch (NullPointerException e) {
throw new InsuficientMaterialException(Concurrency conflict, inventory entry deleted, moved or changed by someone else);
}
}

the method to save changes look like this:

public void save() throws InsuficientMaterialException {
transaction.updateInventory();
ec.saveChanges();
}


What am I doing wrong?

Cheers


On Aug 1, 2006, at 1:36 PM, Chuck Hill wrote:

On Aug 1, 2006, at 11:28 AM, Marcos Trejo Munguia wrote:

Thank you Chuck,

I'll check what I have in the editing context before saving changes, I'm 100% sure that productSelected.editingContext() == ec.
I just have to wait until the error appears again, because actually the error only appears in deployment and not all the time, annoying right? :-)

OK, that is a different problem.  That sounds like a concurrency issue.  Are you creating your own editing  contexts?  Are you locking them properly?  Are  you creating additional threads in your code?

Chuck


On Jul 31, 2006, at 11:35 PM, Chuck Hill wrote:

On Jul 31, 2006, at 4:34 PM, Marcos Trejo Munguia wrote:

Actually the relationship is to-many,

Well, I guess we can discard that theory.  :-)


Here is the code that adds details to the header:

public void addItem() {
boolean addItemFailed = false;
if (productSelected == null) {
errors.takeValueForKey(Product is required, product);
addItemFailed = true;
}
if (locationSelected == null) {
errors.takeValueForKey(Location is required, location);
addItemFailed = true;
}
if (quantity == null) {
errors.takeValueForKey(Qty is required, quantity);
addItemFailed = true;
} else if (quantity.doubleValue() = 0) {
errors.takeValueForKey(Qty must be greater than 0, quantity);
addItemFailed = true;
}

if (!addItemFailed) {
InventoryTransDetail transactionDetail = new InventoryTransDetail();
ec.insertObject(transactionDetail);

transaction.addObjectToBothSidesOfRelationshipWithKey(transactionDetail, inventorytransdetails);
transactionDetail.setTranssign(Constant.ONE);
transactionDetail.setProduct(productSelected);
transactionDetail.setLocation(locationSelected);
transactionDetail.setSecondarylot(secondaryLot);
transactionDetail.setQty(quantity);
}
}

That looks fine.


Here is the code that throws the validation exception, this validateXXX are in the class InventoryTransDetail:

public Product validateProduct(Product newValue) throws

WebObjects Meetup Practice Session and Areas of Interest

2006-08-02 Thread Chuck Hill



On Aug 2, 2006, at 9:42 AM, Gavin Eadie wrote:


At 12:32 PM -0700 8/1/06, Joe Little wrote:
Details are always listed at http://www.global-village.net/ 
chill.at.gvc


... would it be useful, or is it too late to be useful, to add a  
column to describe our relationship to WebObjects (in terms of  
years of experience and/or areas of interest) ?  That might help  
clusters of similar interest to form in a large group.  I'd  
considered going back through the list archives to see if I could  
deduce this info for myself, but it seems self-description would be  
better


or, maybe, if the room suits, identify a few tables : novices /  
eo experts / wonder wizards / ajax advocates / etc


I have added this and also a brief note about the practice session

http://www.gvcsitemaker.com/chill.at.gvc/practice_session

Chuck


--
Coming sometime... - an introduction to web applications using  
WebObjects and Xcode http://www.global-village.net/wointro


Practical WebObjects - for developers who want to increase their  
overall knowledge of WebObjects or who are trying to solve specific  
problems.http://www.global-village.net/products/practical_webobjects





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Re: Wonder Ajax

2006-08-02 Thread Mike Schrag

Keep in mind that all of wonder is sort of relative, though  
presumably you say that you mean ERExtensions.  The demos point out  
what things require you to extend ERExtensions.  Most things do not.   
The big one is if you want component actions inside of ajax updating  
areas.  If you use direct actions, you're totally fine, but component  
actions require a rather nasty hack to page backtrack cache  
management.  You could actually steal that code from ERExtensions and  
put it in your own, however.  It's FAIRLY isolated.


ms

On Aug 2, 2006, at 12:23 PM, Ken Anderson wrote:


This stuff is cool Mike!

I wonder what the Web 2.0 session at WWDC will be like...  Also, do  
I have to take all of wonder to get this?


Ken

On Aug 2, 2006, at 11:58 AM, Mike Schrag wrote:

I thought people might like to play with some of the Wonder Ajax  
components to see some of the things you can do, so I put up a  
public copy of the AjaxExample app from Wonder:


http://www.mdimension.com/cgi-bin/WebObjects/AjaxExample.woa

ms
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Re: Event update ; notice

2006-08-02 Thread Mike Schrag


WObie t-shirts :)

On Aug 2, 2006, at 1:40 PM, Ken Anderson wrote:


OK, maybe Mike can print WO newbie hats in time... ;)

On Aug 2, 2006, at 1:38 PM, Miguel Arroz wrote:


Hi!

or, maybe, if the room suits, identify a few tables : novices /  
eo experts / wonder wizards / ajax advocates / etc


  That won't work! I'm a novice, and OBVIOUSLY I want to sit with  
the wizards and learn what i can from them! :)


  Yours

Miguel Arroz

  GUERRA E' PAZ
   LIBERDADE E' ESCRAVIDAO
   IGNORANCIA E' FORCA   -- 1984

Miguel Arroz
http://www.ipragma.com



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project wonder install instructions

2006-08-02 Thread Jeremy Matthews


Any installation instructions out there?

Those on the site seem out of date...

Thanks,
jeremy
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Re: WebObject's Application Wins Campus Technology Innovator Competition

2006-08-02 Thread José Tiburcio Ribeiro Netto


Congratulations Chuck!

We are excited with the application and looking forward to use it  
here, at our university... It will be a great tool for everyone!


Once more, congrats!

José Tiburcio Ribeiro Netto

On Aug 2, 2006, at 2:39 PM, Chuck Hill wrote:


In the Web category.

Programming was done in Apple’s WebObjects environment. “The cost- 
effectiveness of developing in WebObjects, and of deploying on the  
OS X Server platform, were critical in making this project  
possible within a very small budget,” says Maybaum.


See:
http://www.campus-technology.com/article.asp?id=18938
and
http://www.campus-technology.com/article.asp?id=18945


Chuck

--
Coming sometime... - an introduction to web applications using  
WebObjects and Xcode http://www.global-village.net/wointro


Practical WebObjects - for developers who want to increase their  
overall knowledge of WebObjects or who are trying to solve specific  
problems.http://www.global-village.net/products/ 
practical_webobjects





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ANN: Global Village Consulting Releases WebObjects Frameworks as Open Source

2006-08-02 Thread Chuck Hill


Hi,

I promised that I would get this done for WWDC.  WWDC 2005 that is.   
Better late than never


Some of you already know about this, but for the ones that don't:
http://www.global-village.net/newsmode=singlerecordID=56160

There is now more recent version posted at http://sourceforge.net/ 
projects/gvcsitemaker


This is pretty much all (i.e. all the ones worth having) of our  
internal frameworks that we have been developing since 1999.  You  
will notice some overlap with Wonder as the code bases were developed  
concurrently.


Also, the GVC.SiteMaker product that won the  Campus Technology  
Innovator award is also Open Source,

http://www.global-village.net/newsmode=singlerecordID=56161

The home for this is http://www.gvcsitemaker.com


We hope that you find this useful.

Chuck


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Problem for open a project.

2006-08-02 Thread john XUE

Hi all,
 I am using WO5.2 to open a project which is from
WO4.5. I got error message the project '.../Projects
name' could not be opened because the 'PROJECTTYPE'
key contains unknown project type name
'WebObjectsApplication' . Any suggestion for removing
this error is very appreicated.

Thanks,

John

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Re: Problem for open a project.

2006-08-02 Thread Art Isbell


On Aug 2, 2006, at 10:25 AM, john XUE wrote:


 I am using WO5.2 to open a project which is from
WO4.5. I got error message the project '.../Projects
name' could not be opened because the 'PROJECTTYPE'
key contains unknown project type name
'WebObjectsApplication' .


	The problem is that the developer tools that you are using don't  
support the WebObjectsApplication project type.  That project type  
was initially supported by ProjectBuilderWO, a Project Builder and  
Xcode predecessor.  I have an old OS X 10.2.8/WO 5.2.1 partition that  
has this project type in /Developer/ProjectTypes and ProjectBuilderWO  
in /Developer/Applications, but I don't know whether ProjectBuilderWO  
or its WebObjectsApplication project type are supported on later OS  
X versions.


	So you are probably out of luck trying to open this project using  
the current developer tools.  An alternative would be to create a new  
project using the files in the old project.  But you won't be able to  
build this project until you convert it (http://docs.info.apple.com/ 
article.html?artnum=25328).


Aloha,
Art

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Re: Event update ; notice

2006-08-02 Thread Miguel Arroz


Hi!

  I don't know about worldwide, but I would be very interested in  
creating an european WO community (could be part of a worldwide  
community, but the main focus is to be easier to make meet-ups).


  I think it's important, not only for people to meet and know they  
are not alone, but to exchange knowledge and experience, and show and  
promote their personal and/or professional WO-related work. Also, I  
focus on Europe, because with the cheap flights that are appearing  
all over the place (Vueling in Spain, Virgin Express, etc) we could  
make several meet-ups a year, and people would have the opportunity  
to join some of them (obviously, WWDC is a really big financial  
effort for europeans, due to the flights).


  I don't know anyone on Portugal, besides me and my partners, who  
use WebObjects for anything (unfortunately, my country is sold to  
Microsoft so-called technologies), but I know there are a lot of us  
in Europe. There's also some german guys, ObjectFarm, that talk about  
some Wocoa event (WO + Cocoa), but I sent them an email and got no  
answer... I don't know if Wocoa still exists. Are you guys out there?


  What do you all think (europeans for the european group, everyone  
for the worldwide group)?


  Yours

Miguel Arroz

On 2006/08/02, at 18:35, Pascal Robert wrote:



Le 06-08-02, à 12:42, Gavin Eadie a écrit :


At 12:32 PM -0700 8/1/06, Joe Little wrote:
Details are always listed at http://www.global-village.net/ 
chill.at.gvc


... would it be useful, or is it too late to be useful, to add a  
column to describe our relationship to WebObjects (in terms of  
years of experience and/or areas of interest) ?  That might help  
clusters of similar interest to form in a large group.  I'd  
considered going back through the list archives to see if I could  
deduce this info for myself, but it seems self-description would  
be better


Maybe it's time to consider doing a worldwide WO user group/ 
alliance :-)


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   scr*w to save its species.   -- Fight Club

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Re: Recommended reading?

2006-08-02 Thread Chuck Hill

I use Xcode daily and I have not read _any_ of this.  :-)  And I  
doubt that I ever will.



On Aug 2, 2006, at 3:01 PM, [EMAIL PROTECTED] wrote:

Perhaps I'm just being lazy, but reading the entire Xcode 2.3 User  
Guide, which clocks in at a measly 536 pages, seems like an awful  
lot of pre-reading to do for a couple of sessions on Xcode.  Heck,  
by the time I read all that I wouldn't need to attend the sessions  
anymore!  Most of the other things I've picked out to attend also  
have recommended reading, though I haven't seen any others that are  
this heavy-duty.  And then there are the related resources, which  
I guess are like extra credit for the overachievers among us.


Is this recommendation really meant to be taken seriously??  Am I  
going to regret it if I leave this summer reading pile at home?


janine



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Re: Re: Event update ; notice

2006-08-02 Thread Joe Little


well, there are $1 pool tables. We'll let wizards be defined there :)

On 8/2/06, Gavin Eadie [EMAIL PROTECTED] wrote:

At 12:32 PM -0700 8/1/06, Joe Little wrote:
Details are always listed at http://www.global-village.net/chill.at.gvc

... would it be useful, or is it too late to be useful, to add a
column to describe our relationship to WebObjects (in terms of years
of experience and/or areas of interest) ?  That might help clusters
of similar interest to form in a large group.  I'd considered going
back through the list archives to see if I could deduce this info for
myself, but it seems self-description would be better

or, maybe, if the room suits, identify a few tables : novices / eo
experts / wonder wizards / ajax advocates / etc
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Re: Event update ; notice

2006-08-02 Thread Miguel Arroz


Hi!

On 2006/08/02, at 23:13, Anjo Krank wrote:


Hi,

Objectfarm is slowly getting out of the WO business.


  Sad news to hear! :( Are they changing to another technology? Or  
have they decided to go nature-only? :)


  Yours

Miguel Arroz

The world lies in the hands of evil
 And we pray it would last -- Apocalyptica, Life Burns!

Miguel Arroz
http://www.ipragma.com




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Re: Recommended reading?

2006-08-02 Thread womail

Well, one could argue that *you* just absorb knowledge through the  
keyboard.  The rest of us, however... :)


On Aug 2, 2006, at 3:24 PM, Chuck Hill wrote:

I use Xcode daily and I have not read _any_ of this.  :-)  And I  
doubt that I ever will.



On Aug 2, 2006, at 3:01 PM, [EMAIL PROTECTED] wrote:

Perhaps I'm just being lazy, but reading the entire Xcode 2.3 User  
Guide, which clocks in at a measly 536 pages, seems like an awful  
lot of pre-reading to do for a couple of sessions on Xcode.  Heck,  
by the time I read all that I wouldn't need to attend the sessions  
anymore!  Most of the other things I've picked out to attend also  
have recommended reading, though I haven't seen any others that  
are this heavy-duty.  And then there are the related resources,  
which I guess are like extra credit for the overachievers among us.


Is this recommendation really meant to be taken seriously??  Am I  
going to regret it if I leave this summer reading pile at home?


janine



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practical_webobjects







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Re: Event update ; notice

2006-08-02 Thread Pascal Robert


I was more thinking of a « portal » where :

- we can promote WO by telling to the world what kind of applications  
we do, and when someone from the alliance is delivring a new system  
with WO, we update the list


- links to ressources (both for WO people and people that want to  
know more about WO), ressources like WOCode, the Wiki, etc.


- maybe some forums

- list of members

- online tutorials

Maybe we can use GVCSiteMaker for this :-)  Let's talk about this  
next Monday.



Hi!

  I don't know about worldwide, but I would be very interested in  
creating an european WO community (could be part of a worldwide  
community, but the main focus is to be easier to make meet-ups).


  I think it's important, not only for people to meet and know they  
are not alone, but to exchange knowledge and experience, and show  
and promote their personal and/or professional WO-related work.  
Also, I focus on Europe, because with the cheap flights that are  
appearing all over the place (Vueling in Spain, Virgin Express,  
etc) we could make several meet-ups a year, and people would have  
the opportunity to join some of them (obviously, WWDC is a really  
big financial effort for europeans, due to the flights).


  I don't know anyone on Portugal, besides me and my partners, who  
use WebObjects for anything (unfortunately, my country is sold to  
Microsoft so-called technologies), but I know there are a lot of  
us in Europe. There's also some german guys, ObjectFarm, that talk  
about some Wocoa event (WO + Cocoa), but I sent them an email and  
got no answer... I don't know if Wocoa still exists. Are you guys  
out there?


  What do you all think (europeans for the european group, everyone  
for the worldwide group)?


  Yours

Miguel Arroz

On 2006/08/02, at 18:35, Pascal Robert wrote:



Le 06-08-02, à 12:42, Gavin Eadie a écrit :


At 12:32 PM -0700 8/1/06, Joe Little wrote:
Details are always listed at http://www.global-village.net/ 
chill.at.gvc


... would it be useful, or is it too late to be useful, to add a  
column to describe our relationship to WebObjects (in terms of  
years of experience and/or areas of interest) ?  That might help  
clusters of similar interest to form in a large group.  I'd  
considered going back through the list archives to see if I could  
deduce this info for myself, but it seems self-description would  
be better


Maybe it's time to consider doing a worldwide WO user group/ 
alliance :-)


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   scr*w to save its species.   -- Fight Club

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Re: Event update ; notice

2006-08-02 Thread Chuck Hill

There used to be a site like this, called (I thought)  
www.whywebobjects.com but it appears to have gone away.


Chuck


On Aug 2, 2006, at 6:57 PM, Pascal Robert wrote:


I was more thinking of a « portal » where :

- we can promote WO by telling to the world what kind of  
applications we do, and when someone from the alliance is  
delivring a new system with WO, we update the list


- links to ressources (both for WO people and people that want to  
know more about WO), ressources like WOCode, the Wiki, etc.


- maybe some forums

- list of members

- online tutorials

Maybe we can use GVCSiteMaker for this :-)  Let's talk about this  
next Monday.



Hi!

  I don't know about worldwide, but I would be very interested in  
creating an european WO community (could be part of a worldwide  
community, but the main focus is to be easier to make meet-ups).


  I think it's important, not only for people to meet and know  
they are not alone, but to exchange knowledge and experience, and  
show and promote their personal and/or professional WO-related  
work. Also, I focus on Europe, because with the cheap flights that  
are appearing all over the place (Vueling in Spain, Virgin  
Express, etc) we could make several meet-ups a year, and people  
would have the opportunity to join some of them (obviously, WWDC  
is a really big financial effort for europeans, due to the flights).


  I don't know anyone on Portugal, besides me and my partners, who  
use WebObjects for anything (unfortunately, my country is sold to  
Microsoft so-called technologies), but I know there are a lot of  
us in Europe. There's also some german guys, ObjectFarm, that talk  
about some Wocoa event (WO + Cocoa), but I sent them an email and  
got no answer... I don't know if Wocoa still exists. Are you guys  
out there?


  What do you all think (europeans for the european group,  
everyone for the worldwide group)?


  Yours

Miguel Arroz

On 2006/08/02, at 18:35, Pascal Robert wrote:



Le 06-08-02, à 12:42, Gavin Eadie a écrit :


At 12:32 PM -0700 8/1/06, Joe Little wrote:
Details are always listed at http://www.global-village.net/ 
chill.at.gvc


... would it be useful, or is it too late to be useful, to add a  
column to describe our relationship to WebObjects (in terms of  
years of experience and/or areas of interest) ?  That might help  
clusters of similar interest to form in a large group.  I'd  
considered going back through the list archives to see if I  
could deduce this info for myself, but it seems self-description  
would be better


Maybe it's time to consider doing a worldwide WO user group/ 
alliance :-)


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   scr*w to save its species.   -- Fight Club

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WebObjects and Xcode http://www.global-village.net/wointro


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Re: Recommended reading?

2006-08-02 Thread Jerry W. Walker


Hi, Chuck,

On Aug 2, 2006, at 6:24 PM, Chuck Hill wrote:

I use Xcode daily and I have not read _any_ of this.  :-)  And I  
doubt that I ever will.


Heh, perhaps that's why you refer to it as Vexcode.  :-)


On Aug 2, 2006, at 3:01 PM, [EMAIL PROTECTED] wrote:

Perhaps I'm just being lazy, but reading the entire Xcode 2.3 User  
Guide, which clocks in at a measly 536 pages, seems like an awful  
lot of pre-reading to do for a couple of sessions on Xcode.  Heck,  
by the time I read all that I wouldn't need to attend the sessions  
anymore!  Most of the other things I've picked out to attend also  
have recommended reading, though I haven't seen any others that  
are this heavy-duty.  And then there are the related resources,  
which I guess are like extra credit for the overachievers among us.


Is this recommendation really meant to be taken seriously??  Am I  
going to regret it if I leave this summer reading pile at home?


Hi, Janine,

I would urge you to read the Introduction and the section on  
Developing a Software Product With Xcode. These two sections do a  
pretty good job of introducing the Xcode vocabulary and, without  
that, you will find the sessions more mystifying than helpful. It  
would also help to examine a working WO project developed in Xcode to  
see how the vocabulary presented in those two sections applies to a  
WO project.


Unfortunately, Xcode is still aimed primarily at the Objective C, C   
C++ developers. All of those languages use a similar development  
environment and it is the environment around which Xcode was built.


Java uses a very different environment, and most of the problems I've  
had with Xcode for WO are problems surrounding the bad fit between  
Xcode and Java. The bad fit mostly leaves a lot of options,  
facilities and services that don't fit Java and together form the  
cruft that makes it difficult to find what you need in Xcode for WO  
development. The same comments apply to the documentation surrounding  
Xcode.


I truly wish there were an Xcode For Java Developers Users Guide that  
was as complete as the Xcode 2.3 User Guide, but left out all the  
stuff that just doesn't apply and better modeled what was left for a  
clearer presentation.


Despite this, the things that keep me using Xcode are:

  * it is the Apple supported product, so one kind of assumes it  
will stay in lock-step with OS updates and such


  * it provides a better fit with the other WO tools (EOModeler and  
WO Builder)


  * the evils one knows tend to be preferable to the evils one  
doesn't know (also known as momentum).


Good luck at WWDC, wish I could be there.

Regards,
Jerry

--
__ Jerry W. Walker,
   WebObjects Developer/Instructor for High Performance Industrial  
Strength Internet Enabled Systems


[EMAIL PROTECTED]
203 278-4085office



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Re: ANN: Global Village Consulting Releases WebObjects Frameworks as Open Source

2006-08-02 Thread Jeremy Matthews


Chuck,

Do you mind if I include these in our free Tomcat Distribution?

Thanks,
jeremy
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I Wonder...

2006-08-02 Thread Jeremy Matthews

Whomever speaks for the project Wonder code...we'd like to  
incorporate it into out Tomcat distribution (free software), so as to  
make it easier for Tomcat Developers.

Can someone say yea or nay?

Thanks,
jeremy
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Re: I Wonder...

2006-08-02 Thread Chuck Hill

It means the same thing.  Take it and do with it what you will other  
than removing the license.  The reason that license was chosen was so  
that our code would fit in with pre-existing code released under the  
ECL.


Chuck


On Aug 2, 2006, at 7:51 PM, Andrus Adamchik wrote:

I am NOT speaking for the Wonder project, but consider that Wonder  
is released under BSD license. The fact that its developers have  
made such licensing decision means that they gave the permission to  
redistribute to everybody in the world already. So you can include  
it in your own product in any way you like.


Chuck's project on the other hand is under Educational Community  
License - I have no idea what that means :-)


Andrus


On Aug 2, 2006, at 10:43 PM, Jeremy Matthews wrote:

Whomever speaks for the project Wonder code...we'd like to  
incorporate it into out Tomcat distribution (free software), so as  
to make it easier for Tomcat Developers.

Can someone say yea or nay?

Thanks,
jeremy


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Re: Recommended reading?

2006-08-02 Thread Chuck Hill



On Aug 2, 2006, at 7:31 PM, Jerry W. Walker wrote:


Hi, Chuck,

On Aug 2, 2006, at 6:24 PM, Chuck Hill wrote:

I use Xcode daily and I have not read _any_ of this.  :-)  And I  
doubt that I ever will.


Heh, perhaps that's why you refer to it as Vexcode.  :-)


You wish.

Just for the sheer perversity of it:


Despite this, the things that keep me using Xcode are:

  * it is the Apple supported product, so one kind of assumes it  
will stay in lock-step with OS updates and such


There are more developers working on WOLips and they don't have to  
adhere to Apple's release cycles.



  * it provides a better fit with the other WO tools (EOModeler and  
WO Builder)


Seen WOLips recently?  There is a surprise for you...


  * the evils one knows tend to be preferable to the evils one  
doesn't know (also known as momentum).


aka a stick in the mud  :-P

Yours in jest,

Chuck


--
Coming sometime... - an introduction to web applications using  
WebObjects and Xcode http://www.global-village.net/wointro


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Re: Recommended reading?

2006-08-02 Thread womail


On Aug 2, 2006, at 7:31 PM, Jerry W. Walker wrote:

I would urge you to read the Introduction and the section on  
Developing a Software Product With Xcode. These two sections do a  
pretty good job of introducing the Xcode vocabulary and, without  
that, you will find the sessions more mystifying than helpful. It  
would also help to examine a working WO project developed in Xcode  
to see how the vocabulary presented in those two sections applies  
to a WO project.


I've been slowly building a small WO project, though I'm not going to  
have time to get it done before I arrive, I'm afraid.  I think with  
your reading assignment I will be ok.


Java uses a very different environment, and most of the problems  
I've had with Xcode for WO are problems surrounding the bad fit  
between Xcode and Java. The bad fit mostly leaves a lot of options,  
facilities and services that don't fit Java and together form the  
cruft that makes it difficult to find what you need in Xcode for WO  
development. The same comments apply to the documentation  
surrounding Xcode.


Well, for better or worse I won't know what I'm missing. :)

  * it is the Apple supported product, so one kind of assumes it  
will stay in lock-step with OS updates and such


I hope you are right.  I started trying to do my project in Eclipse,  
but decided that dealing with Eclipse, WOLips, the new Entity Modeler  
and EO Generator all at the same time was just too much new stuff all  
at once.  I've done enough with Xcode now to limp around, so I'm  
sticking with it until I feel more confident in what I'm doing.


  * the evils one knows tend to be preferable to the evils one  
doesn't know (also known as momentum).


If that's anything like Joementum then run, run away fast! :)  It  
could be contagious!


(for our non American readers, it's a political joke.  Email me if  
you really want to know.)



Good luck at WWDC, wish I could be there.


I wish you could be too!

janine

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