Timestamp To Datetime Conversion In Primary Key

Jul 10, 2006

I'm trying to persist a field of type java.sql.Timestamp to a column of type datetime in sql server 2005. I get an exception :
java.lang.UnsupportedOperationException: cannot perform lookups on timestamps. The field i'm trying to persist is a part of a composite primary key. The detailed exception is as follows:

12:13:55,110 WARN [RequestProcessor] Unhandled Exception thrown: class java.lang.UnsupportedOperationException
12:13:55,110 WARN [RequestProcessor] Unhandled Exception thrown: class java.lang.UnsupportedOperationException
12:13:55,120 ERROR [[action]] Servlet.service() for servlet action threw exception
java.lang.UnsupportedOperationException: cannot perform lookups on timestamps
at org.hibernate.type.TimestampType.getHashCode(TimestampType.java:98)
at org.hibernate.type.AbstractType.getHashCode(AbstractType.java:113)
at org.hibernate.type.ComponentType.getHashCode(ComponentType.java:199)
at org.hibernate.engine.EntityKey.getHashCode(EntityKey.java:65)
at org.hibernate.engine.EntityKey.(EntityKey.java:38)
at org.hibernate.event.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:135)
at org.hibernate.event.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:106)
at org.hibernate.event.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:180)
at org.hibernate.event.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:31)
at org.hibernate.event.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:169)
at org.hibernate.event.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:25)
at org.hibernate.event.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:65)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:479)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:474)

I have tried these with my other tables and never got an exception. but this is the first time i'm trying timestamp to datetime conversion with a primary key.

Can anyone suggest what could be the reason?

Thanks, Nithya.

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Error While Converting Oracle Timestamp To Sql Server Timestamp (datetime) - Invalid Date Format

Jun 19, 2007

I am populating oracle source in Sql Server Destination. after few rows it fails it displays this error:

[OLE DB Destination [16]] Error: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005. An OLE DB record is available. Source: "Microsoft OLE DB Provider for SQL Server" Hresult: 0x80004005 Description:
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I used this script component using the following code in between the adapters, However after 9,500 rows it failed again giving the same above error:

To convert Oracle timestamp to Sql Server timestamp





End If

End If

I don't know if my code is right . Please inform, how i can achieve this.

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