merge not working with @Lob on insert

steveb · **Joined:** Mon Apr 03, 2006 10:44 pm **Posts:** 2

When merging an entity it appears that @Lob blobs are not being persisted. I've seen this when merging a newly created entity - I haven't tested whether the problem also exists when merging a detached entity.

I have an entity with a blob:

Code:

    @Lob
    @Column(name = "DATA")
    private Blob data;

This works:

Code:

FileAttachment attach = new FileAttachment();
...
attach.setData(manager.createBlob(input));
manager.persist(attach);

...
FileAttachment attach = manager.lookupFileAttachment(2L);
assertNotNull(attach.getData());

But this doesn't:

Code:

FileAttachment attach = new FileAttachment();
...
attach.setData(manager.createBlob(input));

attach = manager.merge(attach);
assertNotNull(attach.getData()); //FAILS
...
attach = manager.lookupFileAttachment(2L);
assertNotNull(attach.getData()); //FAILS

I've only seen this happening to the blob. Other types appear to merge successfully.

Versions:
- hibernate 3.2.0-cr1
- hibernate-annotations 3.1beta9
- hibernate-entitymanager 3.1beta7

emmanuel · **Posted:** Sun Apr 16, 2006 11:56 am

Can you post a runable test case to JIRA? This seems to be an hibernate core issue