Zain Rizvi

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since Jul 20, 2012

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Recent posts by Zain Rizvi

"not-null property references a null or transient value" At Delete

Doing inverse="false" for the sets required me to do

in all 3 classes; Participant, Precondition, and Effect.

But running the application gave me the error

12 years ago

Object Relational Mapping

"not-null property references a null or transient value" At Delete

I am able to save the objects in the database, but not delete them.

I have the following classes:

Here are the hibernate mapping

When I try to do

I get the following error:

One fix I found was, if I change the cascade values (in the Action hbm) to "save-update", and then delete each component separately. But I don't want to do that.
I think another solution would be if I can tell hibernate the order to delete the components, but I cannot find how to do this.

Any suggestions would be greatly appreciated.
Thank you

12 years ago

Object Relational Mapping

PageContext is not defined

Thanks for your help. I guess I got a bit more reading to do before jumping into this. I'll be sure to read those articles when I get a chance.

I did view the page source. The line

was not in there. And

was transformed to

Thanks
Zain

12 years ago

JSP

PageContext is not defined

Well I also had another approach. This seems to be better working for me.

This is using JSTL, is that correct?

I added the try/catch block because at first there was nothing being printed to screen. So I wanted to see if something was going wrong.

12 years ago

JSP

PageContext is not defined

Hi, I am new to jsp and just learning by doing.
I am trying to pass a variable from javascript to my jsp page. From what I've read, I have to set the variable as an attribute so that I can read it using EL.

There is my code:

But when I run that page, I get an the alert message saying

ReferenceError: pageContext is not defined

.
Can anyone help me solve this issue?

Thanks
Zain

12 years ago

JSP