date:20101223

Re: what will we miss about Max OS X?

2010-12-23 Thread Simon

>
> So, what will we miss?


nothing. at all.

this is the biggest favour apple have dished out in a while. mac os x server
is bloatware that doesn't belong anywhere near a server farm. like you say,
itunes ? wtf ?

simon
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WOWODC 2011: July 1, 2 and 3

2010-12-23 Thread Pascal Robert

Good morning everyone,

WOWODC 2011 will be held on July 1, 2 and 3 2011. That's the last week-end of 
the Montreal International Jazz Fest, with many free concerts within a 15 
minutes walk from the hotel. The event will again be at the Gouverneur Place 
Dupuis.

Rooms rate are $129 CAD for a regular room, $149 CAD for a "superior" room and 
$169 CAD for business-class room. 

More details in January, but if you want to present, you can contact me 
anytime. 


--
Pascal Robert
prob...@macti.ca

AIM/iChat : MacTICanada
LinkedIn : http://www.linkedin.com/in/macti
Twitter : pascal_robert

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RE: Help! We're leaking

2010-12-23 Thread Perry, Steven

Dave,  Yes we are using ReportMill version 10.   We don't have the 
-Djava.awt.headless (mentioned in your link) but maybe that applies 
specifically to Jasper?

Have been looking into this and found it happens when we generate a PDF from 
two of our applications.  It doesn't seem to happen on the first try, or if we 
generate multiple PDFs from the same app; only when we generate a PDF from two 
different apps.

From: David Avendasora [mailto:webobje...@avendasora.com]
Sent: Wednesday, December 22, 2010 4:52 PM
To: Perry, Steven
Cc: WebObjects-Dev Mailing List List; Rodman, Tricia
Subject: Re: Help! We're leaking

Are you using some form of PDF generator?

http://osdir.com/ml/webobjects-dev/2010-06/msg00381.html ?

Dave

On Dec 22, 2010, at 2:42 PM, Perry, Steven wrote:


We are getting a bunch of these in our system.log.

Dec 21 10:35:24  java[4376]: *** __NSAutoreleaseNoPool(): Object 
0x129c00150 of class NSConcreteMapTableValueEnumerator autoreleased with no 
pool in place - just leaking

Any idea what this means or where to look for the cause?

We're on MacOS 10.6.5, WebObjects 5.4.3, WOLips 3.6.6214.
Thanks!
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how to advance my WOKnowledge

2010-12-23 Thread Theodore Petrosky

I am trying to advance my working knowledge of WO but I am running into a 
constant block. I work in a vacuum (alone).

The videos are great and I get some WOnderful ideas but I know that there are 
things that I just do WOWrong. They work but I get boxed into corners. 

So, I am going to:
1. find a mentor (someone that could look at my code and offer some helpful 
suggestion [get a new job]) or:
2. find a tutor (?$)
3. keep plugging away and hope I don't shoot myself in the foot.

Maybe it's just a feeling of lack of general programming skills (oops I forgot 
to mention that I learned what I know by reading the FMs, and examples, I went 
to Juilliard and there were not many programming classes :-(  )

Is there such a person for WO. If I wanted to learn the tabla, I know exactly 
what I need to do. If I heard you play two notes on the tabla (even though I 
have never played one) I would know exactly how to guide you.

Some suggestions would be welcome.  Help!!!

Ted


  
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Re: Quick ERXEnterpriseObject newly inserted Question --

2010-12-23 Thread Ramsey Gurley



On Dec 17, 2010, at 4:26 PM, Jesse Tayler wrote:


Oh thanks - !

On Dec 17, 2010, at 3:53 PM, Ramsey Gurley wrote:

I didn't replicate the ERCore templates identically.  I don't have  
the static variables wrapped in the Key interface.  You should not  
need to regenerate anything under ERCore.


To init() an object nicely, I thought I might should say:

setAuthor(User.clazz.currentUser(editingContext()));

Which doesn't resolve for me,


Doesn't resolve?  Do you have methods like

public User currentUser(EOEditingContext ec) {
return (User) ERCoreBusinessLogic.actor(ec);
}

public void setCurrentUser(User user) {
ERCoreBusinessLogic.setActor(user);
}

In your user clazz?


so I wrote it out like this instead:

setAuthorRelationship((User)  
((User 
)ERCoreBusinessLogic.actor()).localInstanceIn(editingContext()));


Which seems to work in testing, but I wanted to adopt the most  
modern approach since everything on this project is new.


You are implementing ERCoreUserInterface on your user entity and  
you are setting it on the thread local with  
ERCoreBusinessLogic.setActor(...)? If you can post the stack trace,  
I may be able to tell you why you are crashing.


I setup the actor in the session correctly... _I think_

I gett his error, no crash, I was under an impression that it would  
resolve once I got my template in order, but you suggest that the  
Core should be ok, so I look forward to insight on this if you have--




Dec 17 16:04:10 WOMan[59945] ERROR  
er.corebusinesslogic.ERCoreBusinessLogic  - Error while setting  
getting actor's preferences: java.lang.RuntimeException:  
ERXUtilites: localInstancesOfObjects: Array is null

RuntimeException: ERXUtilites: localInstancesOfObjects: Array is null
at  
er 
.extensions 
.eof 
.ERXEOControlUtilities 
.localInstancesOfObjects(ERXEOControlUtilities.java:93)


That sounds like you haven't implemented your preferences stuff  
correctly.  Your user _class_ should have methods similar to:


public static final String PREFERENCES = "preferences";

public void newPreference(EOEnterpriseObject pref) {
addObjectToBothSidesOfRelationshipWithKey(pref, PREFERENCES);
}

public void setPreferences(NSArray array) {
takeStoredValueForKey(array.mutableClone(), PREFERENCES);
}

public NSArray preferences() {
return (NSArray) storedValueForKey(PREFERENCES);
}

Ramsey

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Re: Quick ERXEnterpriseObject newly inserted Question --

2010-12-23 Thread Ramsey Gurley



On Dec 23, 2010, at 10:59 AM, Ramsey Gurley wrote:



On Dec 17, 2010, at 4:26 PM, Jesse Tayler wrote:


Oh thanks - !

On Dec 17, 2010, at 3:53 PM, Ramsey Gurley wrote:

I didn't replicate the ERCore templates identically.  I don't have  
the static variables wrapped in the Key interface.  You should not  
need to regenerate anything under ERCore.


To init() an object nicely, I thought I might should say:

setAuthor(User.clazz.currentUser(editingContext()));

Which doesn't resolve for me,


Doesn't resolve?  Do you have methods like

public User currentUser(EOEditingContext ec) {
return (User) ERCoreBusinessLogic.actor(ec);
}

public void setCurrentUser(User user) {
ERCoreBusinessLogic.setActor(user);
}

In your user clazz?


so I wrote it out like this instead:

setAuthorRelationship((User)  
((User 
)ERCoreBusinessLogic.actor()).localInstanceIn(editingContext()));


Which seems to work in testing, but I wanted to adopt the most  
modern approach since everything on this project is new.


You are implementing ERCoreUserInterface on your user entity and  
you are setting it on the thread local with  
ERCoreBusinessLogic.setActor(...)? If you can post the stack  
trace, I may be able to tell you why you are crashing.


I setup the actor in the session correctly... _I think_

I gett his error, no crash, I was under an impression that it would  
resolve once I got my template in order, but you suggest that the  
Core should be ok, so I look forward to insight on this if you have--




Dec 17 16:04:10 WOMan[59945] ERROR  
er.corebusinesslogic.ERCoreBusinessLogic  - Error while setting  
getting actor's preferences: java.lang.RuntimeException:  
ERXUtilites: localInstancesOfObjects: Array is null

RuntimeException: ERXUtilites: localInstancesOfObjects: Array is null
at  
er 
.extensions 
.eof 
.ERXEOControlUtilities 
.localInstancesOfObjects(ERXEOControlUtilities.java:93)


That sounds like you haven't implemented your preferences stuff  
correctly.  Your user _class_ should have methods similar to:


I forgot to add...

public class User extends _User implements ERCoreUserInterface



public static final String PREFERENCES = "preferences";

public void newPreference(EOEnterpriseObject pref) {
addObjectToBothSidesOfRelationshipWithKey(pref, PREFERENCES);
}

public void setPreferences(NSArray array) {
takeStoredValueForKey(array.mutableClone(), PREFERENCES);
}

public NSArray preferences() {
return (NSArray) storedValueForKey(PREFERENCES);
}

Ramsey

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Re: how to advance my WOKnowledge

2010-12-23 Thread Kieran Kelleher

Theodore,

FWIW, here is my 2 cents on learning WO "in a vacuum".. and what I 
recommend to someone starting WebObjects

You need to be willing to grab a few essential books and study them. You need 
to be willing to bookmark essential internet references that you find relevant 
so that you can quickly reference them when needed.

First you need good java foundations:

Essential Java References (most return for least learning effort IMHO):
Head First Design Patterns
Effective Java (2nd Edition) by Josh Bloch
Wonder source code

Second, you need basic Terminal command line usage knowledge and SQL knowledge 
(SELECT, INSERT, UPDATE, DELETE, CREATE TABLE, ALTER TABLE, etc.)
Plenty of online references for that

Third you need to be comfortable hand-coding HTML and CSS, (and basic 
Javascript if you plan to use Ajax)
Plenty of online references and books for that available

Finally you need to wrap your brain around WebObjects and good practices
Essential WebObjects References
http://wiki.objectstyle.org
Practical WebObjects
Wonder source code
Wonder example applications
Old WWDC WebObjects Sessions Video/Presentations
WOWODC Video/Presentations

And remember, keep on asking here for help. If you really want to make it easy 
for people to look at your code, then commit it to a free google code 
subversion repository with everyone ..

 and remember, checkout Wonder source code, link Wonder frameworks and 
examples into your workspace, and run and explore the examples. If you don't 
understand how an example works by looking at the source, just ask.

HTH, Kieran

On Dec 23, 2010, at 9:27 AM, Theodore Petrosky wrote:

> I am trying to advance my working knowledge of WO but I am running into a 
> constant block. I work in a vacuum (alone).
> 
> The videos are great and I get some WOnderful ideas but I know that there are 
> things that I just do WOWrong. They work but I get boxed into corners. 
> 
> So, I am going to:
> 1. find a mentor (someone that could look at my code and offer some helpful 
> suggestion [get a new job]) or:
> 2. find a tutor (?$)
> 3. keep plugging away and hope I don't shoot myself in the foot.
> 
> Maybe it's just a feeling of lack of general programming skills (oops I 
> forgot to mention that I learned what I know by reading the FMs, and 
> examples, I went to Juilliard and there were not many programming classes :-( 
>  )
> 
> Is there such a person for WO. If I wanted to learn the tabla, I know exactly 
> what I need to do. If I heard you play two notes on the tabla (even though I 
> have never played one) I would know exactly how to guide you.
> 
> Some suggestions would be welcome.  Help!!!
> 
> Ted
> 
> 
> 
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NPE at at er.modern.directtoweb.components.buttons.ERMDRemoveRelatedButton.showRemoveButton(ERMDRemoveRelatedButton.java:197) with isEntityDeletable=false

2010-12-23 Thread Johan Henselmans

Just to warn some people that might get caught in the same corner.

I was happily testing rules on NavigationMenu.plists and a new DateTimePicker 
component, when I got at strange message when I tried to edit a relation from 
an entity. 

The thing was a n-1 relation, nothing special (a location where a performance 
might take place). When I tried to select a location, the ModernDirectToWeb 
would crash. 

I first thought it had to do with some error in the EOModel, and noticed that 
there were a lot of the properties of the Location entity flagged as being part 
of a client class. Removed them, no dice. To make a few hours search short 
(like completely rebuilding the app with the navigation menu stripped etc.  I 
found out what is was. 

I had set up a rule 
if session.isAdmin => isEntityDeletable= true, 
and the accompanying rule
true=> isEntityDeletable=false

As I was trying to replace this stuff with a role based structure, I had all 
forgotten about it, and the session.isAdmin was disabled, so nothing should be 
deletable.

When I enabled 
isEntityDeletable=true

the crashes stopped. 

Apparently, if you have an entity that can be created and where relations can 
be created, then ERModernDirectToWeb assumes that it should also be able to 
remove these relations, and that collided with the isEntityDeletable rule.


Johan Henselmans
jo...@netsense.nl



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Re: NPE at at er.modern.directtoweb.components.buttons.ERMDRemoveRelatedButton.showRemoveButton(ERMDRemoveRelatedButton.java:197) with isEntityDeletable=false

2010-12-23 Thread David LeBer


On 2010-12-23, at 12:09 PM, Johan Henselmans wrote:

> Just to warn some people that might get caught in the same corner.
> 
> I was happily testing rules on NavigationMenu.plists and a new DateTimePicker 
> component, when I got at strange message when I tried to edit a relation from 
> an entity. 
> 
> The thing was a n-1 relation, nothing special (a location where a performance 
> might take place). When I tried to select a location, the ModernDirectToWeb 
> would crash. 
> 
> I first thought it had to do with some error in the EOModel, and noticed that 
> there were a lot of the properties of the Location entity flagged as being 
> part of a client class. Removed them, no dice. To make a few hours search 
> short (like completely rebuilding the app with the navigation menu stripped 
> etc.  I found out what is was. 
> 
> I had set up a rule 
> if session.isAdmin => isEntityDeletable= true, 
> and the accompanying rule
> true=> isEntityDeletable=false
> 
> As I was trying to replace this stuff with a role based structure, I had all 
> forgotten about it, and the session.isAdmin was disabled, so nothing should 
> be deletable.
> 
> When I enabled 
> isEntityDeletable=true
> 
> the crashes stopped. 
> 
> Apparently, if you have an entity that can be created and where relations can 
> be created, then ERModernDirectToWeb assumes that it should also be able to 
> remove these relations, and that collided with the isEntityDeletable rule.


Patches welcome.

;david

--
David LeBer
Codeferous Software
'co-def-er-ous' adj. Literally 'code-bearing'
site:   http://codeferous.com
blog:   http://davidleber.net
profile:http://www.linkedin.com/in/davidleber
twitter:http://twitter.com/rebeld
--
Toronto Area Cocoa / WebObjects developers group:
http://tacow.org




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Re: how to advance my WOKnowledge

2010-12-23 Thread Jérémy DE ROYER

Hi,

What about Chuck's book, the famous "Practical WebObjects" ?

Jérémy

Le 23 déc. 2010 à 15:27, Theodore Petrosky a écrit :

> I am trying to advance my working knowledge of WO but I am running into a 
> constant block. I work in a vacuum (alone).
> 
> The videos are great and I get some WOnderful ideas but I know that there are 
> things that I just do WOWrong. They work but I get boxed into corners. 
> 
> So, I am going to:
> 1. find a mentor (someone that could look at my code and offer some helpful 
> suggestion [get a new job]) or:
> 2. find a tutor (?$)
> 3. keep plugging away and hope I don't shoot myself in the foot.
> 
> Maybe it's just a feeling of lack of general programming skills (oops I 
> forgot to mention that I learned what I know by reading the FMs, and 
> examples, I went to Juilliard and there were not many programming classes :-( 
>  )
> 
> Is there such a person for WO. If I wanted to learn the tabla, I know exactly 
> what I need to do. If I heard you play two notes on the tabla (even though I 
> have never played one) I would know exactly how to guide you.
> 
> Some suggestions would be welcome.  Help!!!
> 
> Ted
> 
> 
> 
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Re: how to advance my WOKnowledge

2010-12-23 Thread Jesse Tayler

ya, get Chucks' book -

let me know if you're in NYC! HA!

WO is a high road to take, even for top engineers it is not a tool for the 
faint of heart.

so, take pride in your choice and understand you'll have to do some extra 
reading but there comes a time when you'll see the downhill slope and feel like 
you've learned a few things.

as a note of practice, I'd take apart the example apps and try to make your 
own, converting parts and making new projects is boring, but leads to 
understanding.

just one thing at a time.

On Dec 23, 2010, at 12:16 PM, Jérémy DE ROYER wrote:

> Hi,
> 
> What about Chuck's book, the famous "Practical WebObjects" ?
> 
> Jérémy
> 
> Le 23 déc. 2010 à 15:27, Theodore Petrosky a écrit :
> 
>> I am trying to advance my working knowledge of WO but I am running into a 
>> constant block. I work in a vacuum (alone).
>> 
>> The videos are great and I get some WOnderful ideas but I know that there 
>> are things that I just do WOWrong. They work but I get boxed into corners. 
>> 
>> So, I am going to:
>> 1. find a mentor (someone that could look at my code and offer some helpful 
>> suggestion [get a new job]) or:
>> 2. find a tutor (?$)
>> 3. keep plugging away and hope I don't shoot myself in the foot.
>> 
>> Maybe it's just a feeling of lack of general programming skills (oops I 
>> forgot to mention that I learned what I know by reading the FMs, and 
>> examples, I went to Juilliard and there were not many programming classes 
>> :-(  )
>> 
>> Is there such a person for WO. If I wanted to learn the tabla, I know 
>> exactly what I need to do. If I heard you play two notes on the tabla (even 
>> though I have never played one) I would know exactly how to guide you.
>> 
>> Some suggestions would be welcome.  Help!!!
>> 
>> Ted
>> 
>> 
>> 
>> ___
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> 
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Re: how to advance my WOKnowledge

2010-12-23 Thread Michael Gargano

are you in nyc?  i'm in white plains.

-mike

On Dec 23, 2010, at 1:18 PM, Jesse Tayler wrote:

> ya, get Chucks' book -
> 
> let me know if you're in NYC! HA!
> 
> WO is a high road to take, even for top engineers it is not a tool for the 
> faint of heart.
> 
> so, take pride in your choice and understand you'll have to do some extra 
> reading but there comes a time when you'll see the downhill slope and feel 
> like you've learned a few things.
> 
> as a note of practice, I'd take apart the example apps and try to make your 
> own, converting parts and making new projects is boring, but leads to 
> understanding.
> 
> just one thing at a time.
> 
> On Dec 23, 2010, at 12:16 PM, Jérémy DE ROYER wrote:
> 
>> Hi,
>> 
>> What about Chuck's book, the famous "Practical WebObjects" ?
>> 
>> Jérémy
>> 
>> Le 23 déc. 2010 à 15:27, Theodore Petrosky a écrit :
>> 
>>> I am trying to advance my working knowledge of WO but I am running into a 
>>> constant block. I work in a vacuum (alone).
>>> 
>>> The videos are great and I get some WOnderful ideas but I know that there 
>>> are things that I just do WOWrong. They work but I get boxed into corners. 
>>> 
>>> So, I am going to:
>>> 1. find a mentor (someone that could look at my code and offer some helpful 
>>> suggestion [get a new job]) or:
>>> 2. find a tutor (?$)
>>> 3. keep plugging away and hope I don't shoot myself in the foot.
>>> 
>>> Maybe it's just a feeling of lack of general programming skills (oops I 
>>> forgot to mention that I learned what I know by reading the FMs, and 
>>> examples, I went to Juilliard and there were not many programming classes 
>>> :-(  )
>>> 
>>> Is there such a person for WO. If I wanted to learn the tabla, I know 
>>> exactly what I need to do. If I heard you play two notes on the tabla (even 
>>> though I have never played one) I would know exactly how to guide you.
>>> 
>>> Some suggestions would be welcome.  Help!!!
>>> 
>>> Ted
>>> 
>>> 
>>> 
>>> ___
>>> Do not post admin requests to the list. They will be ignored.
>>> Webobjects-dev mailing list  (Webobjects-dev@lists.apple.com)
>>> Help/Unsubscribe/Update your Subscription:
>>> http://lists.apple.com/mailman/options/webobjects-dev/jeremy.deroyer%40ingencys.net
>>> 
>>> This email sent to jeremy.dero...@ingencys.net
>> 
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> 
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Re: webobjects.mdimension.com

2010-12-23 Thread Simon

would that be a colo at apple that comes bundled with WO/WOnder 7 ?

just look how those pigs can fly  :-)


On 22 December 2010 16:32, Mike Schrag  wrote:

> webobjects.mdimension.com will be down today to move to another colo.
>
> ms
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Re: webobjects.mdimension.com

2010-12-23 Thread Chuck Hill

Someone has been into the spiked Christmas eggnog too early! :-)

On Dec 23, 2010, at 3:42 PM, Simon wrote:

> would that be a colo at apple that comes bundled with WO/WOnder 7 ?
> 
> just look how those pigs can fly  :-)
> 
> 
> On 22 December 2010 16:32, Mike Schrag  wrote:
> webobjects.mdimension.com will be down today to move to another colo.
> 
> ms
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Re: what will we miss about Max OS X?

2010-12-23 Thread Daniel Beatty

Greetings Simon,
While I am sure that iTunes and other features could be removed, there are lot 
of things about OSX (server or client) that I like.  Especially for cloud 
computing, I like the Netboot/ Netrestore, XGrid, Open Directory, Software 
Update, ARD, and other features that make OSX far easier to manage on any scale 
(small or large).   These features buy me time.  Thus the thing the features 
buys me is the ability to focus on other areas.   It is far to easy for me to 
get snow balled, and OSX makes sure that system administration is streamlined 
so that aspect is not a problem.

Linux has great many things in its favor, but it has a number things that serve 
as obstacles for quality control.  Since OSX is UNIX and therefore has access 
to the same GNU and BSD licensed software, with a high expectation for it to 
work, the cost of OSX is priced below my time threshold.  When I was a student, 
this may have been a different story.   To fair, I did get a number of awesome 
deals during my master's studies.

Similarly, I use many of the frameworks that come with OSX.   Core Graphics, 
Core Image, OpenCL, and XGrid are just a few.  

What I would like to see with Lion Server is the ability to strip back things 
to make a lean virtual machine with many of OSX's capabilities.   It does not 
have be dumbed down to the point of OpenDarwin, because obviously I think we 
would all prefer the thing to have a Mac like ease of working.  If such a thing 
existed, it would allow Netboot in concert with say Parallels Server edition 
and the Cumulus data store to make a powerful cloud architecture to use common 
desktops in addition to server farms for such service.  Just a thought, but I 
like the idea of my WO application being able to migrate to the customer. But 
what do I know, I am just an academic (which is pretty close to professional 
dreamer.)

Just a few cents,

Dan Beatty, M.S. CS (B.S. EECS)
Ph.D. Student 
Texas Tech University
dan.bea...@mac.com
http://web.me.com/danielbeatty/My_Home_Page/Welcome.html
(806)438-6620

On Dec 23, 2010, at 4:35 AM, Simon wrote:

> So, what will we miss?
> 
> nothing. at all. 
> 
> this is the biggest favour apple have dished out in a while. mac os x server 
> is bloatware that doesn't belong anywhere near a server farm. like you say, 
> itunes ? wtf ?
> 
> simon
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10.6.5 breaking WOAdaptor

2010-12-23 Thread Ray Kiddy


Now that I have had some chill time after running into this problem, I can ask 
the question without running out of random punctuation with which to color my 
language.

I have a modified WOAdaptor that was working fine and I, stupidly, let SU 
upgrade our XServe from 10.6.4 to 10.6.5. What the heck was I thinking?

Now I can see that the module is still loaded (via httpd -M), but it seems that 
the WO hooks are not registered. I am not seeing any of the startup messages. 
It is almost oas though the hooks are not actually installed. Could this be a 
binary incompatibility? I am using the Apache2.2 adaptor, and the new web 
server is 2.2.15. 

And any "cgi-bin/WebObjects" URL immediately returns a 404 and nothing else.

Does anyone have the skinny on this? Or am I just the McFly of the week? Hark" 
Take heed!


http://lib.store.yahoo.net/lib/demotivators/mistakesdemotivationalposter.jpg

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Re: what will we miss about Max OS X?

2010-12-23 Thread Ray Kiddy


On Dec 23, 2010, at 4:51 PM, Daniel Beatty wrote:

> Greetings Simon,
> While I am sure that iTunes and other features could be removed, there are 
> lot of things about OSX (server or client) that I like.  Especially for cloud 
> computing, I like the Netboot/ Netrestore, XGrid, Open Directory, Software 
> Update, ARD, and other features that make OSX far easier to manage on any 
> scale (small or large).   These features buy me time.  Thus the thing the 
> features buys me is the ability to focus on other areas.   It is far to easy 
> for me to get snow balled, and OSX makes sure that system administration is 
> streamlined so that aspect is not a problem.
> 
> Linux has great many things in its favor, but it has a number things that 
> serve as obstacles for quality control.  Since OSX is UNIX and therefore has 
> access to the same GNU and BSD licensed software, with a high expectation for 
> it to work, the cost of OSX is priced below my time threshold.  When I was a 
> student, this may have been a different story.   To fair, I did get a number 
> of awesome deals during my master's studies.
> 
> Similarly, I use many of the frameworks that come with OSX.   Core Graphics, 
> Core Image, OpenCL, and XGrid are just a few.  
> 
> What I would like to see with Lion Server is the ability to strip back things 
> to make a lean virtual machine with many of OSX's capabilities.   It does not 
> have be dumbed down to the point of OpenDarwin, because obviously I think we 
> would all prefer the thing to have a Mac like ease of working.  If such a 
> thing existed, it would allow Netboot in concert with say Parallels Server 
> edition and the Cumulus data store to make a powerful cloud architecture to 
> use common desktops in addition to server farms for such service.  Just a 
> thought, but I like the idea of my WO application being able to migrate to 
> the customer. But what do I know, I am just an academic (which is pretty 
> close to professional dreamer.)
> 

You know that Apple is heading the other way with their software, don't you? If 
the software is configurable in different ways, that means there are more 
configurations that they may have to test.

They want to turn Mac OS X into iOS. There will be the Mac (i)Store and the OS 
will be much less configurable and much more tightly controlled by Apple. Why 
should they be adding configurability? They see people buying iPhones and 
obviously see that they can sell a simpler and much more restrictive solution 
and still make money.

- ray

> Just a few cents,
> 
> Dan Beatty, M.S. CS (B.S. EECS)
> Ph.D. Student 

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Fwd: Dynamically changing the number of columns included in a D2W query/listing

2010-12-23 Thread Daniel Beatty



Begin forwarded message:

> From: Daniel Beatty 
> Date: December 23, 2010 6:24:03 PM PST
> To: Ramsey Gurley 
> Cc: Daniel Beatty 
> Subject: Re: Dynamically changing the number of columns included in a D2W 
> query/listing
> 
> Greetings Ramsey,
> Brilliant idea, and it works for the most part.  There is another error that 
> crops up, and I can not seem to make heads or tails of it.  It is a bounds 
> error:
> 
> 
> IllegalArgumentException: Index (10) out of bounds [0, 9]
>  at com.webobjects.foundation.NSArray.objectAtIndex(NSArray.java:379)
>  at 
> er.extensions.eof.ERXEOControlUtilities.ensureSortOrdering(ERXEOControlUtilities.java:2422)
>  at 
> er.extensions.eof.ERXEOControlUtilities.objectsInRange(ERXEOControlUtilities.java:617)
>  at 
> er.extensions.batching.ERXBatchingDisplayGroup.objectsInRange(ERXBatchingDisplayGroup.java:368)
>  at 
> er.extensions.batching.ERXBatchingDisplayGroup.refetch(ERXBatchingDisplayGroup.java:407)
>  at 
> er.extensions.batching.ERXBatchingDisplayGroup.fetch(ERXBatchingDisplayGroup.java:459)
>  at 
> er.directtoweb.pages.ERD2WListPage._fetchDisplayGroup(ERD2WListPage.java:452)
>  at er.directtoweb.pages.ERD2WListPage.setupPhase(ERD2WListPage.java:552)
>  ... skipped 16 stack elements
> 
> Any ideas?  Weird part is that it happens for some of the bloated tables, but 
> not all.  
> 
> I ran a second test with 
> 160 : *true* => useBatchingDisplayGroup = "true" [BooleanAssignment]
> 
> Some of the tables responded correctly, and with little memory bloat.  Others 
> gave me the same Illegal Argument Exception.   It did not crash the WO 
> program, but it does give a page that is hardly satisfying.  In some cases, 
> it gave the Illegal Argument Exception on the first try, but the second try 
> it performed as expected.  Any ideas?
> 
> Later,
> 
> Dan Beatty, M.S. CS (B.S. EECS)
> Ph.D. Student 
> Texas Tech University
> dan.bea...@mac.com
> http://web.me.com/danielbeatty/My_Home_Page/Welcome.html
> (806)438-6620
> 
> 
> 
> On Dec 22, 2010, at 8:49 AM, Ramsey Gurley wrote:
> 
>> 
>> On Dec 22, 2010, at 11:09 AM, Daniel Beatty wrote:
>> 
>>> Thank you for responding Ramsey,
>>> 
>>> 
>>> On Dec 22, 2010, at 6:44 AM, Ramsey Gurley wrote:
>>> 
 
 On Dec 22, 2010, at 1:08 AM, Daniel Beatty wrote:
 
> Greetings Gentlemen, Chuck, and Davids,
> I am exploring how to limit the number of columns queried and used in for 
> a listing in D2W.  My experiment uses ERModernLook, and has a the SDSS 
> DR1 data set.  Several of the tables have an annoyingly large number of 
> columns (641 to be precise) and a large number of rows (770k of them).  
> If the JVM is tweaked to 3GB of memory,  ERModernLook can return a list 
> from a blank query (taking nearly 2.5GB memory footprint).I have a 
> few more tables with just about as a bad of a scheme and size 
> arrangement.   It would be nice to use this data set to measure just how 
> much abuse D2W can handle.
 
 It sounds like you're mainly interested in just thrashing the app to see 
 what it can do under stress.  That database table sounds sufficient for 
 the job.  Are you putting all 770K rows on a single page? (^_^)  I think 
 it would be interesting to see it using a "real world" setup with a 
 batching display group also.  That would probably reduce the memory usage 
 a lot, but that's still a ton of columns to render.
>>> 
>>> For the starting app, I literally reverse engineered the original database 
>>> from inside a framework and am driving the program from an ERModernLook 
>>> about as straight out of the box (by your example from WOWODC 2010), and 
>>> ran it.  The next step I took was to increase the memory available to the 
>>> JVM to 3GB.
>>> 
>>> One thing to be proud of, ERModernLook has a semi-batching display group, 
>>> but still loads the entire table into memory.
>> 
>> Try
>> 
>> 100 : (entity.name = 'BestTSField' and task = 'list') => 
>> useBatchingDisplayGroup = "true" [BooleanAssignment]
>> 
>> and see if that changes anything.  Note from the ERXBatchingDisplayGroup doc 
>> (since the javadocs are down today for relocation)...
>> 
>> Extends WODisplayGroup in order to provide real batching. This is done by 
>> adding database specific code to the select statement from the 
>> EOFetchSpecification from the WODisplayGroup'sEODataSource which must be an 
>> EODatabaseDataSource. If used with other datasources, it reverts to the 
>> default behaviour.
>> 
>> 
>> 
>>> 
>>> I am starting with the one of the large tables.  Obviously, the small 
>>> tables load without flaw.  The rule set I have for the large table (so far) 
>>> includes the following:
>>> 
>>>  "60 : (entity.name = 'BestTSField' and task = 'list') => batchSize = 5 
>>> [com.webobjects.directtoweb.Assignment]",
>>>  "60 : (entity.name = 'BestTSField' and task = 'list') => fetchLimit = 5 
>>> [com.webobjects.directtoweb.Assignment]",
>>>  "60 : (entity.name = 'BestTSF

Re: webobjects.mdimension.com

2010-12-23 Thread Daniel Beatty

Hi Chuck,
Why wait.  Spiked eggnog puts so much in perspective, and makes nostalgia seem 
ok.

Later,
Dan

On Dec 23, 2010, at 3:44 PM, Chuck Hill wrote:

> Someone has been into the spiked Christmas eggnog too early! :-)
> 
> 
> On Dec 23, 2010, at 3:42 PM, Simon wrote:
> 
>> would that be a colo at apple that comes bundled with WO/WOnder 7 ?
>> 
>> just look how those pigs can fly  :-)
>> 
>> 
>> On 22 December 2010 16:32, Mike Schrag  wrote:
>> webobjects.mdimension.com will be down today to move to another colo.
>> 
>> ms
>> ___
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> 
> -- 
> Chuck Hill Senior Consultant / VP Development
> 
> 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: Dynamically changing the number of columns included in a D2W query/listing

2010-12-23 Thread Pascal Robert

>> 3.  How do I get more run time logging from the WO application itself?  I 
>> thought Shark could do something with the JVM.   Can it measure the memory 
>> foot print over time?  If so, how?
> 
> 
> I'm not sure, but I've heard Pascal mention he is using Nagios to monitor 
> memory usage.

I use the check_jmx plugin to monitor and graph (with a Nagios graph helper) 
heap space usage:

  
http://exchange.nagios.org/directory/Plugins/Java-Applications-and-Servers/check_jmx/details

You can use the plugin without Nagios, for example you could call the plugin 
with cron every 5 minutes, pipe the output to a file and do stats from the 
output file. ___
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Re: 10.6.5 breaking WOAdaptor

2010-12-23 Thread Pascal Robert

That sounds like the ScriptAlias for /cgi-bin is back in httpd.conf, or it 
removed the Include directive for the apache.conf file that load the module 
directives.

> 
> Now that I have had some chill time after running into this problem, I can 
> ask the question without running out of random punctuation with which to 
> color my language.
> 
> I have a modified WOAdaptor that was working fine and I, stupidly, let SU 
> upgrade our XServe from 10.6.4 to 10.6.5. What the heck was I thinking?
> 
> Now I can see that the module is still loaded (via httpd -M), but it seems 
> that the WO hooks are not registered. I am not seeing any of the startup 
> messages. It is almost oas though the hooks are not actually installed. Could 
> this be a binary incompatibility? I am using the Apache2.2 adaptor, and the 
> new web server is 2.2.15. 
> 
> And any "cgi-bin/WebObjects" URL immediately returns a 404 and nothing else.
> 
> Does anyone have the skinny on this? Or am I just the McFly of the week? 
> Hark" Take heed!
> 
>   
> http://lib.store.yahoo.net/lib/demotivators/mistakesdemotivationalposter.jpg
> 
> cheers - ray ___
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Fwd: Dynamically changing the number of columns included in a D2W query/listing

2010-12-23 Thread Daniel Beatty



Begin forwarded message:

> From: Daniel Beatty 
> Date: December 23, 2010 7:00:46 PM PST
> To: Pascal Robert 
> Cc: Daniel Beatty 
> Subject: Re: Dynamically changing the number of columns included in a D2W 
> query/listing
> 
> Hi Pascal,
> Sounds like good little toy.  I will definitely have to check it out.  It may 
> make it a lot easier to collect metrics, and hopefully I have a phenomenon 
> worth documenting and publishing.  Hopefully, the toy will help me find that 
> phenomenon. 
> 
> Thank you,
> Dan
> 
> 
> 
> On Dec 23, 2010, at 6:53 PM, Pascal Robert wrote:
> 
 3.  How do I get more run time logging from the WO application itself?  I 
 thought Shark could do something with the JVM.   Can it measure the memory 
 foot print over time?  If so, how?
>>> 
>>> 
>>> I'm not sure, but I've heard Pascal mention he is using Nagios to monitor 
>>> memory usage.
>> 
>> I use the check_jmx plugin to monitor and graph (with a Nagios graph helper) 
>> heap space usage:
>> 
>> http://exchange.nagios.org/directory/Plugins/Java-Applications-and-Servers/check_jmx/details
>> 
>> You can use the plugin without Nagios, for example you could call the plugin 
>> with cron every 5 minutes, pipe the output to a file and do stats from the 
>> output file.
> 

 ___
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Re: 10.6.5 breaking WOAdaptor

2010-12-23 Thread Ray Kiddy

On Dec 23, 2010, at 6:59 PM, Pascal Robert wrote:

> That sounds like the ScriptAlias for /cgi-bin is back in httpd.conf, or it 
> removed the Include directive for the apache.conf file that load the module 
> directives.
> 

Yep. I had checked the apache.conf file and that was all kosher. But the 
ScriptAlias had been added back in and that was the problem.

Didn't Einstein say something about not bothering to remember anything when you 
can ask the mailing list about it Or something like that. Anyway

thanx - ray

>> 
>> Now that I have had some chill time after running into this problem, I can 
>> ask the question without running out of random punctuation with which to 
>> color my language.
>> 
>> I have a modified WOAdaptor that was working fine and I, stupidly, let SU 
>> upgrade our XServe from 10.6.4 to 10.6.5. What the heck was I thinking?
>> 
>> Now I can see that the module is still loaded (via httpd -M), but it seems 
>> that the WO hooks are not registered. I am not seeing any of the startup 
>> messages. It is almost oas though the hooks are not actually installed. 
>> Could this be a binary incompatibility? I am using the Apache2.2 adaptor, 
>> and the new web server is 2.2.15. 
>> 
>> And any "cgi-bin/WebObjects" URL immediately returns a 404 and nothing else.
>> 
>> Does anyone have the skinny on this? Or am I just the McFly of the week? 
>> Hark" Take heed!
>> 
>>  
>> http://lib.store.yahoo.net/lib/demotivators/mistakesdemotivationalposter.jpg
>> 
>> cheers - ray

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Re: what will we miss about Max OS X?

WOWODC 2011: July 1, 2 and 3

RE: Help! We're leaking

how to advance my WOKnowledge

Re: Quick ERXEnterpriseObject newly inserted Question --

Re: Quick ERXEnterpriseObject newly inserted Question --

Re: how to advance my WOKnowledge

NPE at at er.modern.directtoweb.components.buttons.ERMDRemoveRelatedButton.showRemoveButton(ERMDRemoveRelatedButton.java:197) with isEntityDeletable=false

Re: NPE at at er.modern.directtoweb.components.buttons.ERMDRemoveRelatedButton.showRemoveButton(ERMDRemoveRelatedButton.java:197) with isEntityDeletable=false

Re: how to advance my WOKnowledge

Re: how to advance my WOKnowledge

Re: how to advance my WOKnowledge

Re: webobjects.mdimension.com

Re: webobjects.mdimension.com

Re: what will we miss about Max OS X?

10.6.5 breaking WOAdaptor

Re: what will we miss about Max OS X?

Fwd: Dynamically changing the number of columns included in a D2W query/listing

Re: webobjects.mdimension.com

Re: Dynamically changing the number of columns included in a D2W query/listing

Re: 10.6.5 breaking WOAdaptor

Fwd: Dynamically changing the number of columns included in a D2W query/listing

Re: 10.6.5 breaking WOAdaptor

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