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Bug 337293

Summary:

NullPointerException for combination of complex Primary Key and JOINED Inheritance type

Product:

z_Archived

Reporter:

Piotr Wawrzyniak <piotr>

Component:

Eclipselink

Assignee:

Nobody - feel free to take it <nobody>

Status:

NEW ---

QA Contact:

Severity:

major

Priority:

CC:

tom.ware

Version:

unspecified

Target Milestone:

---

Hardware:

OS:

Windows XP

See Also:

https://bugs.eclipse.org/bugs/show_bug.cgi?id=333749

Whiteboard:

Attachments:

Description	Flags
The log file	none
The zipped eclipse project	none

Description Piotr Wawrzyniak

2011-02-16 05:31:37 EST

Build Identifier: 2.1.2.v20101206-r8635

If entities in project use complex primary key containing other entity and use JOINED inheritance insertion of data fails on commit. For inheritance SINGLE TABLE work fine. As can be see in logs problems probably on previous insert without all mandatory fields.

Reproducible: Always

Steps to Reproduce:
1. Create entity A
2. Create entity Parent with key based on A and int fields
3. Create entity Child with key based on A and int fields and referencing Parent
4. Create entities ChildX and ChildY extends the Child
5. Try to insert data in such structure

or

1. Create DB using test.sql from the attached project (tested on PostgreSQL 9.0)
2. Run Test class in attached project

Comment 1 Piotr Wawrzyniak

2011-02-16 05:32:40 EST

Created attachment 189081 [details]
The log file

Comment 2 Piotr Wawrzyniak

2011-02-16 05:37:54 EST

Created attachment 189082 [details]
The zipped eclipse project

Script for create database in src/jpa/test.sql

Comment 3 Piotr Wawrzyniak

2011-02-16 06:01:53 EST

Can be avoid if add the duplicated reference to key entity in derived classes (ChildX and ChildY) in project.
Like this:
@ManyToOne
@JoinColumn(name="a_id")
public A getA_() {
  return getA();
}
public void setA_(A a) {
  setA(a);
}
but occurs error at read data, see bug 337297

Comment 4 Tom Ware

2011-02-24 08:30:39 EST

Setting target and priority.  See the following page for the meanings of these fields:

http://wiki.eclipse.org/EclipseLink/Development/Bugs/Guidelines

Community: Please vote for this bug if it is important to you.  Votes are one of the main criteria we use to determine which bugs to fix next.

Comment 5 Eclipse Webmaster

2022-06-09 10:22:42 EDT

The Eclipselink project has moved to Github: https://github.com/eclipse-ee4j/eclipselink