I was trying to find the root cause and I have added an integration test to test the storage of a byte[] into a BLOB (see org.openejb.test.entity.cmp2.StorageTests in OpenEJB itests). It seems that it works; at least for Derby.

BTW, by default a field having the type byte[] is automatically serialized, so one should not need to explicitly declare a SerializableConverter.

Thanks,
Gianny

On 30/07/2005 9:51 AM, Jeremy Boynes wrote:

Stefan Schmidt wrote:

Jeremy,

That was one of the weired things here - there is no true root cause:

08:42:29,134 WARN  [SystemExceptionInterceptor] BookBean
javax.transaction.TransactionRolledbackException: Unable to load data for field at org.openejb.transaction.ContainerPolicy$TxRequired.invoke(ContainerPolicy.java:126)


OpenEJB is dropping the root cause for some reason (claims it can't initCause() and doesn't log the lost info). Please can you open a bug for that as I think we'll lose diagnostic info for any problem encountered by the persistence code.

I'll try and reproduce and get the byte[] mapping working.
--
Jeremy




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