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https://issues.apache.org/jira/browse/OPENJPA-1607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12971565#action_12971565
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Maurice Bernards edited comment on OPENJPA-1607 at 12/15/10 2:02 AM:
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Hi,
I got the same problem.
I have defined the following:
@OneToMany
@JoinColumn(name = "proj_id")
private Collection<Task> tasks = new ArrayList<Task>();
When I deploy my application on a glassfish server, it is working. The
deployment is correct, no jointables are created as expected.
To ensure quality, I'm writing tests for it using OpenEJB.
I'm currently using openejb-standalone-3.2-20100914.180618-7 and replaced the
openjpa with this one: apache-openjpa-2.2.0-20101211.065431-6-binary
When I run the tests, I get the error message on every One-To-Many
unidirectional relationship:
You have supplied columns for "vilauta.entity.Project.tasks", but this mapping
cannot have columns in this context.
Entities which do not contain an unidirectional One-To-Many field, run without
a problem.
was (Author: sagittarius):
Hi,
I got the same problem.
I have defined the following:
@OneToMany
@JoinColumn(name = "proj_id")
private Collection<Task> tasks = new ArrayList<Task>();
When I deploy my application on a glassfish server, it is working. The
deployment is correct, no jointables are created as expected.
To ensure quality, I'm writing tests for it using OpenEJB.
I'm currently using openejb-standalone-3.2-20100914.180618-7 and replaced the
openjpa with this one: apache-openjpa-2.2.0-20101211.065431-6-binary
When I run the tests, I get the error message on every One-To-Many
unidirectional relationship:
You have supplied columns for "vilauta.entity.Project.tasks", but this mapping
cannot have columns in this context.
Entity which contain no unidirectional One-To-Many fields, run without a
problem.
> Using unidirectional one-to-many target foreign key throws exception
> --------------------------------------------------------------------
>
> Key: OPENJPA-1607
> URL: https://issues.apache.org/jira/browse/OPENJPA-1607
> Project: OpenJPA
> Issue Type: Bug
> Affects Versions: 2.0.0-beta3
> Reporter: Oliver Ringel
> Attachments: openjpa-1607.tar
>
>
> Using this simple unidirectional relationship
> @OneToMany
> @JoinColumn(name = "DEPARTMENT_ID")
> private Set<Employee> employees;
> causes to the following exception
> <openjpa-2.0.0-beta3-r422266:926797 fatal user error>
> org.apache.openjpa.persistence.ArgumentException: You have supplied columns
> for "com.example.Department.employees", but this mapping cannot have columns
> in this context.
> Unidirectional one-to-many target foreign key relationship should be
> supported in JPA 2.0.
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