I'm afraid I'm not a hibernate expert, so unless anyone else comments, its up to you to figure it out ;-) Stephen
D.M. wrote: > I've been digging through the hibernate source files trying to see how > this can be handled. Somebody with more experience may correct me if > I'm wrong, but it appears that the Hibernate.TIMESTAMP.nullSafeSet > method invoked by PersistentLocalDateTime eventually calls > org.hibernate.type.TimestampType.set(PreparedStatement st, Object > value, int index), where value is either a java.sql.Timestamp, or an > object castable to java.util.Date. This method calls > st.setTimestamp(int index, Timestamp x). > > Is it possible that this can be fixed by extending > org.hibernate.types.TimestampType, and > overriding the set method so that it instead calls st.setTimestamp(int > index, Timestamp x, Calendar cal), using the Calendar to relate the > time zone to use? > > On Thu, Mar 12, 2009 at 6:56 PM, Stephen Colebourne > <scolebou...@joda.org> wrote: >> The conversion from LocalDateTime to the database form is going via >> DateTime, which is using the time zone. >> >> Ideally PersistentLocalDateTime should handle this, although exactly >> what it should do is open to question. >> >> Stephen >> >> >> D.M. wrote: >>> When attempting to save a LocalDateTime to the database, I am >>> receiving an error (included below). My database is Oracle 10g, in >>> UTC. My java client is 1.6+, and is running in U.S. Central time >>> zone. The time which fails to insert is LocalDateTime(2008,3,9,2,30). >>> This time, in the local time zone of the java client, exists in the >>> DST cutover where 2:00 becomes 3:00. When toDateTime() is called from >>> within PersistentLocalDateTime.nullSafeSet(), the instant cannot be >>> created because that instant does not exist in the U.S. Central time >>> zone. >>> >>> So, is this behaving as intended, or is it a bug? The description of >>> LocalDateTime from the javadoc is "a datetime without a time zone". >>> Is there an additional implication (as the name of the class would >>> seem to indicate) that the LocalDateTime occurs in the local time zone >>> of the client that creates it? Or should a client be able to save a >>> LocalDateTime object to the database that represents a local time >>> somewhere other than the client's default time zone? >>> >>> The error is: >>> java.lang.IllegalArgumentException: Illegal instant due to time zone >>> offset transition: 2008-03-09T08:30:00.000 >>> at >>> org.joda.time.chrono.ZonedChronology.localToUTC(ZonedChronology.java:143) >>> at >>> org.joda.time.chrono.ZonedChronology.getDateTimeMillis(ZonedChronology.java:119) >>> at >>> org.joda.time.chrono.AssembledChronology.getDateTimeMillis(AssembledChronology.java:133) >>> at org.joda.time.base.BaseDateTime.<init>(BaseDateTime.java:254) >>> at org.joda.time.DateTime.<init>(DateTime.java:293) >>> at org.joda.time.LocalDateTime.toDateTime(LocalDateTime.java:634) >>> at org.joda.time.LocalDateTime.toDateTime(LocalDateTime.java:619) >>> at >>> org.joda.time.contrib.hibernate.PersistentLocalDateTime.nullSafeSet(PersistentLocalDateTime.java:99) >>> at org.hibernate.type.CustomType.nullSafeSet(CustomType.java:146) >>> at >>> org.hibernate.persister.entity.AbstractEntityPersister.dehydrate(AbstractEntityPersister.java:1997) >>> at >>> org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2243) >>> at >>> org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2660) >>> at >>> org.hibernate.action.EntityInsertAction.execute(EntityInsertAction.java:56) >>> at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250) >>> at >>> org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:234) >>> at >>> org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:141) >>> at >>> org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298) >>> at >>> org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27) >>> at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000) >>> at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338) >>> at >>> org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106) >>> >>> ------------------------------------------------------------------------------ >>> Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are >>> powering Web 2.0 with engaging, cross-platform capabilities. 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