I am using MySQL as db, and want to make a bean that has a primary key
that references the primary key of another bean through a one - one
relationship.
How can I make the primary key in one table also be a foreign key? Is

EJBException, causedBy:javax.ejb.FinderException: Find failed:
java.sql.SQLException: ORA-00942: table or view does not exist
I get this error when I try to access (read) the table through an
entity bean (CMP).

I'm looking for a quite generic user management component with Users,
Roles, UserGroups etc.  So far I've found an article about "tapestry" at
http://www.javaworld.com/javaworld/jw-06-2001/jw-0615-tapestry.html but
the link to tapestry is broken and I couldn't find it somewhere else ...

I'm working on a web application which maintains a mailing list. I'm using
JSP and JSTL, and have the whole app controlled by a servlet which
dispatches to the various jsp pages.
I'm kind of new to jsp and servlets...

I have been using Sun ONe for a short time and having problem reading
file from
network.
Following piece of code works fine when executed from comand line but

I initialized a JavaBean at the startsite of my web application with
the scope "session" and set the initial values of the properties. All
the following JSP-sites of my application are working very well with
this JavaBean, but I'm using servlets too and need access to the

Hi, I'm doing a uni student doing an assignment where I'm trying to save
objects in a more persistent place than memory, so i was having a look
at xml files. I came across XMLEncode and XMLDecode in java.beans
(anyone got a good concise description of what a bean is?) and they ...

I'm rather new to EJB programming, so please bear with me.  I've
installed JBoss 3.2.1 along with Tomcat 4.1, and have been going
through some tutorials to create a stateless session bean.  However,
I've been receiving some error messages, and wanted to make sure I

Hi Group,
I have got two Entity-Beans, one is named Product the other ist named
ProductGroup. I would like to implement a 1:n Relation wich means
every Product has one Productgroup and a Productgroup has many

I have been using jboss for a short time and am pretty interested, but
how should research using jboss on one machine and a non j2ee on
another machine.
The non-j2ee will communicate through a servlet, the jboss will

I'm new learner on EJB and now I'm working on a project which need to
do SQL to EJB QL translation. I went through the specification 2.0 of
EJB QL released by Sun, I'm not quite understand the following words
regarding to the SELECT clause of EJB QL:

I'm having problems compiling a class that uses another class that is in
the same directory.
Apparently 1.4.2 cannot import straight classes, but must have a package
name.

Hi everyone, I am new to using Javabeans but would like to clear a few
questions I have regarding beans:
1.) Can a Javabean contain logic or is it only a container for data.
2.) Can a Javabean extend another class and if so how does this affect the

I've been having trouble getting any application to access the bean on
the JBoss Server. It always comes up with the error below. Java files
and .xml files are also included. If someone could give some
suggestions, it would be much appreciated as I'm at the end of my

Was wondering if anyone here had a sample ANT build target I can use
for building and deploying EJBs to JBoss.  I have the following but it
is not including my jboss.xml file, and also, it will only build the
EJBs inside of my ejb-jar.xml.