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https://issues.apache.org/jira/browse/TAP5-2783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17864098#comment-17864098
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Hendrik Noot edited comment on TAP5-2783 at 7/9/24 9:47 AM:
------------------------------------------------------------
With the included entity the startup of the TestApp0 should fail with a
nullpointer exception (runTestApp0) without the fix.
It's this line:
org/apache/tapestry5/hibernate/web/modules/HibernateModule.java:107
{code:java}
SingularAttribute<?, ?> id =
entityType.getId(entityType.getIdType().getJavaType()); {code}
.getIdType() returns null for compound id entities.
It would probably be good to mention it in the documentation.
For TAP5-2754: This seems to always trigger on the page griddemo.setup in the
TestApp0 for me. I'll write a comment there.
was (Author: hnoot):
With the included entity the startup of the TestApp0 should fail with a
nullpointer exception (runTestApp0) without the fix.
It's this line:
org/apache/tapestry5/hibernate/web/modules/HibernateModule.java:107
{code:java}
SingularAttribute<?, ?> id =
entityType.getId(entityType.getIdType().getJavaType()); {code}
.getIdType() returns null for compound id entities.
It would probably be good to mention it in the documentation.
> Hibernate module initialization fails when entities with compound ids exist
> ---------------------------------------------------------------------------
>
> Key: TAP5-2783
> URL: https://issues.apache.org/jira/browse/TAP5-2783
> Project: Tapestry 5
> Issue Type: Bug
> Components: tapestry-hibernate
> Affects Versions: 5.8.6
> Reporter: Hendrik Noot
> Assignee: Ben Weidig
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The Tapestry Hibernate module throws a null pointer exception during
> initialization when entities with compound ids exist and it tries to build a
> value encoder for such an entity. This is because the implementation is
> specific to entities with a single id, so it never worked.
> This could be solved by ignoring these entities or implementing support for
> compound ids.
> Since no one filed a bug for this yet I would suggest ignoring them and will
> provide a pull request.
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