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Re: DirectToWeb java.lang.NullPointerException
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Re: DirectToWeb java.lang.NullPointerException


  • Subject: Re: DirectToWeb java.lang.NullPointerException
  • From: Deirdre Saoirse Moen <email@hidden>
  • Date: Mon, 12 Apr 2004 11:49:06 -0700 (PDT)

On Mon, 12 Apr 2004, Omar wrote:

> I am trying to develop a test app using ProjectBuilder with DirectToWeb
> under Windows and am getting the following error when I try to run the
> WebAssistant:

My guess: You have a many-to-many table that doesn't have a class name
(or, alternately, a table name).

> at com.webobjects._eoproject._WBEOModel.classNames(_WBEOModel.java:108)
> at
> com.webobjects._eoproject._WBInterfaceContext._extractClassesFromModel(_WBInterfaceContext.java:536)

> I am using WebObjects 5.2.3 trial under Windows 2000 (yuck) with an
> example Movie model, it works ok on my Mac but gives me that error on
> Windows.

> I've been going crazy trying to figure out what this is for days and am
> thinking about giving up on DirectToWeb. Do you have any idea on how to
> fix this issue?

Double-check your model for missing class and/or table names.

D2W is actually a great sanity check for model problems vs. application
problems.

--
_Deirdre                                             http://deirdre.net
"Ideally pacing should look like the stock market for the year 1999, up
and up and up, but with lots of little dips downwards...."
                                     -- Wen Spencer on plotting a novel
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References: 
 >DirectToWeb java.lang.NullPointerException (From: Omar <email@hidden>)

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