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From "Ted Leung (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-440) Calendar instance doesn't appear to detach properly (or proxying of it is in error?)
Date Sat, 10 Nov 2007 01:29:50 GMT
Calendar instance doesn't appear to detach properly (or proxying of it is in error?)
------------------------------------------------------------------------------------

                 Key: OPENJPA-440
                 URL: https://issues.apache.org/jira/browse/OPENJPA-440
             Project: OpenJPA
          Issue Type: Bug
    Affects Versions: 1.0.0, 1.1.0
         Environment: fedora 7, java full version "1.6.0_03-b05", Spring 2.0.7, Mysql 5.0.45,
 mysql connector 5.0.5
            Reporter: Ted Leung


I have an @entity object which has a field 	

   @Temporal(TemporalType.DATE)
   private Calendar aquisitionDate = null;

I can set the Calendar field fine and it persists fine into the database.

If I start a new transaction and read the object back out of the database, 

when the transaction is still open everything works fine, I can call 
   getTimeInMillis() = 1153108800000
   get(Calendar.YEAR) = 2006
   get(Calendar.MONTH) 6
   get(Calendar.DAY_OF_MONTH) = 17
which is all correct

After I close the transaction, 
   getTimeInMillis() = 1153181684943 (why did it change? I didn't change the data)
   get(Calendar.YEAR) = ERROR 

<openjpa-1.1.0-SNAPSHOT-r420667:570593 fatal user error> org.apache.openjpa.persistence.InvalidStateException:
The context has been closed.  The stack trace at which the context was closed is available
if Runtime=TRACE logging is enabled.
	at org.apache.openjpa.kernel.BrokerImpl.assertOpen(BrokerImpl.java:4291)
	at org.apache.openjpa.kernel.BrokerImpl.beginOperation(BrokerImpl.java:1702)
	at org.apache.openjpa.kernel.BrokerImpl.isActive(BrokerImpl.java:1672)
	at org.apache.openjpa.kernel.StateManagerImpl.dirty(StateManagerImpl.java:1524)
	at org.apache.openjpa.kernel.StateManagerImpl.dirty(StateManagerImpl.java:1471)
	at org.apache.openjpa.util.Proxies.dirty(Proxies.java:66)
	at org.apache.openjpa.util.java$util$GregorianCalendar$proxy.computeFields(Unknown Source)
	at java.util.Calendar.complete(Calendar.java:1522)
	at java.util.Calendar.get(Calendar.java:1126)
	at com.XXXXX.dao.ItemTest.itemTest(ItemTest.java:46)


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