Hello, I have a problem I can't find the reason to.
I am using hibernate to store datetime. Mi annotation is the following:
@Column(name = "timestamp", nullable = false)
@Type(type = "org.joda.time.contrib.hibernate.PersistentDateTime")
private DateTime creationDateTime;
I internally use DateTime so when it come to persist, I should really
have no problem, since the constructor of DateTime should have no
problem with a DateTime.
Instead I get the following exception when I try to save:
java.lang.IllegalArgumentException: No instant converter found for
type: org.joda.time.DateTime
at
org.joda.time.convert.ConverterManager.getInstantConverter(ConverterManager.java:165)
at org.joda.time.base.BaseDateTime.<init>(BaseDateTime.java:169)
at org.joda.time.DateTime.<init>(DateTime.java:168)
at
org.joda.time.contrib.hibernate.PersistentDateTime.deepCopy(PersistentDateTime.java:110)
at org.hibernate.type.CustomType.deepCopy(CustomType.java:202)
at org.hibernate.type.TypeFactory.deepCopy(TypeFactory.java:397)
at
org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:303)
at
org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:204)
at
org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:130)
at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:210)
at
org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56)
at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195)
at
org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50)
at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:563)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:551)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:547)
...
In my understanding it is trying to convert a DateTime into a
DateTime, so I can't see the problem. FYI the passed DateTime object
is created through a simple "new DateTime()".
I am writing in this list, since I am tempted to say that I am doing
something odd on the Jodatime side and not in hibernate.
Also this used to work and all in a sudden it stopped. I have no clue
on where to start. Any idea on where to start/debug/read/learn would
be very appreciated.
Best regards,
Andrea
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