如何使用DataNucleus查询/保留joda-time DateTime字段

Question

I recently switched to DataNucleus and noticed that a joda-time DateTime field declared in an entity is not getting persisted. I get the following error:

Field 'time' is not marked as persistent so cannot be queried.

It is not clear from the documentation if I need to annotate this field or do something else to mark it as persistent.

Any pointers?

Answer 1

The DN docs say that types not specified in the JPA spec (eg org.joda.*) are not persistent by-default. So annotate them with something like @Basic and they ought to be picked up. See our tests and samples if in doubt