I can't find EntityExistsException nested in RollbackExceptions.
http://www.nabble.com/file/7646/exception.jpg 

Will exception mechanism be planned to improve?
I think it's very important.


Patrick Linskey wrote:
> 
> Cool -- that explains it then.
> 
> EM.commit() must throw RollbackExceptions (and
> org.apache.openjpa.persistence.RollbackException extends
> javax.persistence.RollbackException) when the transaction is rolled back
> during the course of the commit.
> 
> If you get the nested exception from the RollbackException, I bet that
> it's instanceof EntityExistsException.
> 
> Clearly, however, something is wonky with our exception printing
> algorithm.
> 
> -Patrick
> 
> -- 
> Patrick Linskey
> BEA Systems, Inc. 
> 
> _______________________________________________________________________
> Notice:  This email message, together with any attachments, may contain
> information  of  BEA Systems,  Inc.,  its subsidiaries  and  affiliated
> entities,  that may be confidential,  proprietary,  copyrighted  and/or
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> or entity named in this message. If you are not the intended recipient,
> and have received this message in error, please immediately return this
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> 
>> -----Original Message-----
>> From: wanyna [mailto:[EMAIL PROTECTED] 
>> Sent: Tuesday, April 03, 2007 8:49 PM
>> To: open-jpa-dev@incubator.apache.org
>> Subject: RE: why not an EntityExistsException was thrown?
>> 
>> 
>> actual class of the exception:
>> class org.apache.openjpa.persistence.RollbackException
>> <2|true|0.9.7-incubating-SNAPSHOT>
>> org.apache.openjpa.persistence.RollbackException: The 
>> transaction has been
>> rolled back.  See the nested exceptions for details on the errors that
>> occurred.
>>      at
>> org.apache.openjpa.persistence.EntityManagerImpl.commit(Entity
>> ManagerImpl.java:417)
>>      at test.Main.main(Main.java:82)
>> Caused by: <0|true|0.9.7-incubating-SNAPSHOT>
>> org.apache.openjpa.persistence.PersistenceException: The 
>> transaction has
>> been rolled back.  See the nested exceptions for details on 
>> the errors that
>> occurred.
>>      at
>> org.apache.openjpa.kernel.BrokerImpl.newFlushException(BrokerI
>> mpl.java:2091)
>>      at 
>> org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:1938)
>>      at 
>> org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:1836)
>>      at
>> org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerIm
>> pl.java:1754)
>>      at
>> org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalMana
>> gedRuntime.java:76)
>>      at 
>> org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1311)
>>      at
>> org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBr
>> oker.java:863)
>>      at
>> org.apache.openjpa.persistence.EntityManagerImpl.commit(Entity
>> ManagerImpl.java:406)
>>      ... 1 more
>> Caused by: <0|false|0.9.7-incubating-SNAPSHOT>
>> org.apache.openjpa.persistence.PersistenceException: The statement was
>> aborted because it would have caused a duplicate key value in 
>> a unique or
>> primary key constraint or unique index identified by 
>> 'SQL070403054930170'
>> defined on 'BSC'. {prepstmnt 15774883 INSERT INTO BSC (objid, objname,
>> created, msc_name, objclass) VALUES (?, ?, ?, ?, ?) [params=(long) 1,
>> (String) objname1, (Timestamp) 2006-05-04 18:13:51.0, 
>> (String) objname0,
>> (String) bsc]} [code=-1, state=23505]
>> FailedObject: [EMAIL PROTECTED]
>>      at
>> org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBD
>> ictionary.java:3764)
>>      at
>> org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptio
>> ns.java:94)
>>      at
>> org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptio
>> ns.java:64)
>>      at
>> org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.fl
>> ushInternal(PreparedStatementManagerImpl.java:103)
>>      at
>> org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.fl
>> ush(PreparedStatementManagerImpl.java:68)
>>      at
>> org.apache.openjpa.jdbc.kernel.OperationOrderUpdateManager.flu
>> shPrimaryRow(OperationOrderUpdateManager.java:200)
>>      at
>> org.apache.openjpa.jdbc.kernel.OperationOrderUpdateManager.flu
>> sh(OperationOrderUpdateManager.java:86)
>>      at
>> org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(Abs
>> tractUpdateManager.java:86)
>>      at
>> org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(Abs
>> tractUpdateManager.java:69)
>>      at
>> org.apache.openjpa.jdbc.kernel.JDBCStoreManager.flush(JDBCStor
>> eManager.java:511)
>>      at
>> org.apache.openjpa.kernel.DelegatingStoreManager.flush(Delegat
>> ingStoreManager.java:127)
>>      ... 8 more
>> Caused by: org.apache.openjpa.lib.jdbc.ReportingSQLException: 
>> The statement
>> was aborted because it would have caused a duplicate key 
>> value in a unique
>> or primary key constraint or unique index identified by 
>> 'SQL070403054930170'
>> defined on 'BSC'. {prepstmnt 15774883 INSERT INTO BSC (objid, objname,
>> created, msc_name, objclass) VALUES (?, ?, ?, ?, ?) [params=(long) 1,
>> (String) objname1, (Timestamp) 2006-05-04 18:13:51.0, 
>> (String) objname0,
>> (String) bsc]} [code=-1, state=23505]
>>      at
>> org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.wrap(Lo
>> ggingConnectionDecorator.java:188)
>>      at
>> org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.access$
> 800(LoggingConnectionDecorator.java:53)
>>      at
>> org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$Logging
>> Connection$LoggingPreparedStatement.executeUpdate(LoggingConne
>> ctionDecorator.java:854)
>>      at
>> org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.execut
>> eUpdate(DelegatingPreparedStatement.java:266)
>>      at
>> org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPrepared
> Statement.executeUpdate(JDBCStoreManager.java:1360)
>>      at
>> org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.fl
>> ushInternal(PreparedStatementManagerImpl.java:92)
>>      ... 15 more
>> FailedObject:null
>>  
>> 
>> 
>> 
>> Patrick Linskey wrote:
>> > 
>> >> <2|true|0.9.7-incubating-SNAPSHOT>
>> > org.apache.openjpa.util.StoreException:
>> > 
>> > You definitely should not be getting that exception -- 
>> OpenJPA should
>> > only be throwing exception types that are in the
>> > org.apache.openjpa.persistence package and sub-packages.
>> > 
>> > Can you print out the actual class of the exception that is thrown
>> > (i.e., System.err.println(e.getClass()) just in case the 
>> exception is
>> > just doing a bad job of printing itself out?
>> > 
>> > Thanks,
>> > 
>> > -Patrick
>> > 
>> > -- 
>> > Patrick Linskey
>> > BEA Systems, Inc. 
>> > 
>> > 
>> ______________________________________________________________
>> _________
>> > Notice:  This email message, together with any attachments, 
>> may contain
>> > information  of  BEA Systems,  Inc.,  its subsidiaries  and 
>>  affiliated
>> > entities,  that may be confidential,  proprietary,  
>> copyrighted  and/or
>> > legally privileged, and is intended solely for the use of 
>> the individual
>> > or entity named in this message. If you are not the 
>> intended recipient,
>> > and have received this message in error, please immediately 
>> return this
>> > by email and then delete it. 
>> > 
>> >> -----Original Message-----
>> >> From: wanyna [mailto:[EMAIL PROTECTED] 
>> >> Sent: Tuesday, April 03, 2007 8:26 PM
>> >> To: open-jpa-dev@incubator.apache.org
>> >> Subject: why not an EntityExistsException was thrown?
>> >> 
>> >> 
>> >> I was confused in result of my test cases.
>> >> My test is about JPA exceptions. I use derby in my tests.
>> >> The first case is simply persist an object, the PK of the 
>> >> object has existed
>> >> in database,
>> >> so exception arose.
>> >>                   entityManager = factory.createEntityManager();
>> >>                   entityManager.getTransaction().begin();
>> >>                   ...
>> >>                   entityManager.persist(anObject);        
>> >>                   entityManager.getTransaction().commit();
>> >> exception is:
>> >> <2|true|0.9.7-incubating-SNAPSHOT> 
>> >> org.apache.openjpa.util.StoreException:
>> >> The transaction has been rolled back.  See the nested 
>> >> exceptions for details
>> >> on the errors that occurred.
>> >>   at
>> >> org.apache.openjpa.kernel.BrokerImpl.newFlushException(BrokerI
>> >> mpl.java:2091)
>> >>   at 
>> >> org.apache.openjpa.kernel.BrokerImpl.flush(BrokerImpl.java:1938)
>> >>   at 
>> >> 
>> org.apache.openjpa.kernel.BrokerImpl.flushSafe(BrokerImpl.java:1836)
>> >>   at
>> >> org.apache.openjpa.kernel.BrokerImpl.beforeCompletion(BrokerIm
>> >> pl.java:1754)
>> >>   at
>> >> org.apache.openjpa.kernel.LocalManagedRuntime.commit(LocalMana
>> >> gedRuntime.java:76)
>> >>   at 
>> >> org.apache.openjpa.kernel.BrokerImpl.commit(BrokerImpl.java:1311)
>> >>   at
>> >> org.apache.openjpa.kernel.DelegatingBroker.commit(DelegatingBr
>> >> oker.java:863)
>> >>   at
>> >> org.apache.openjpa.persistence.EntityManagerImpl.commit(Entity
>> >> ManagerImpl.java:406)
>> >>   at test.Main.main(Main.java:82)
>> >> Caused by: <2|false|0.9.7-incubating-SNAPSHOT>
>> >> org.apache.openjpa.util.StoreException: The statement was 
>> >> aborted because it
>> >> would have caused a duplicate key value in a unique or primary key
>> >> constraint or unique index identified by 'SQL070403054930170' 
>> >> defined on
>> >> 'BSC'. {prepstmnt 15774883 INSERT INTO BSC (objid, 
>> objname, created,
>> >> msc_name, objclass) VALUES (?, ?, ?, ?, ?) [params=(long) 
>> 1, (String)
>> >> objname1, (Timestamp) 2006-05-04 18:13:51.0, (String) 
>> >> objname0, (String)
>> >> bsc]} [code=-1, state=23505]
>> >> FailedObject: [EMAIL PROTECTED]
>> >>   at
>> >> org.apache.openjpa.jdbc.sql.DBDictionary.newStoreException(DBD
>> >> ictionary.java:3764)
>> >>   at
>> >> org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptio
>> >> ns.java:94)
>> >>   at
>> >> org.apache.openjpa.jdbc.sql.SQLExceptions.getStore(SQLExceptio
>> >> ns.java:64)
>> >>   at
>> >> org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.fl
>> >> ushInternal(PreparedStatementManagerImpl.java:103)
>> >>   at
>> >> org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.fl
>> >> ush(PreparedStatementManagerImpl.java:68)
>> >>   at
>> >> org.apache.openjpa.jdbc.kernel.OperationOrderUpdateManager.flu
>> >> shPrimaryRow(OperationOrderUpdateManager.java:200)
>> >>   at
>> >> org.apache.openjpa.jdbc.kernel.OperationOrderUpdateManager.flu
>> >> sh(OperationOrderUpdateManager.java:86)
>> >>   at
>> >> org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(Abs
>> >> tractUpdateManager.java:86)
>> >>   at
>> >> org.apache.openjpa.jdbc.kernel.AbstractUpdateManager.flush(Abs
>> >> tractUpdateManager.java:69)
>> >>   at
>> >> org.apache.openjpa.jdbc.kernel.JDBCStoreManager.flush(JDBCStor
>> >> eManager.java:511)
>> >>   at
>> >> org.apache.openjpa.kernel.DelegatingStoreManager.flush(Delegat
>> >> ingStoreManager.java:127)
>> >>   ... 8 more
>> >> Caused by: org.apache.openjpa.lib.jdbc.ReportingSQLException: 
>> >> The statement
>> >> was aborted because it would have caused a duplicate key 
>> >> value in a unique
>> >> or primary key constraint or unique index identified by 
>> >> 'SQL070403054930170'
>> >> defined on 'BSC'. {prepstmnt 15774883 INSERT INTO BSC 
>> (objid, objname,
>> >> created, msc_name, objclass) VALUES (?, ?, ?, ?, ?) 
>> [params=(long) 1,
>> >> (String) objname1, (Timestamp) 2006-05-04 18:13:51.0, 
>> >> (String) objname0,
>> >> (String) bsc]} [code=-1, state=23505]
>> >>   at
>> >> org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.wrap(Lo
>> >> ggingConnectionDecorator.java:188)
>> >>   at
>> >> org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.access$
>> > 800(LoggingConnectionDecorator.java:53)
>> >>   at
>> >> org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$Logging
>> > Connection>
>> > $LoggingPreparedStatement.executeUpdate(LoggingConnectionDecor
>> >> ator.java:854)
>> >>   at
>> >> org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.execut
>> >> eUpdate(DelegatingPreparedStatement.java:266)
>> >>   at
>> >> org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPrepared
>> > Statement.executeUpdate(JDBCStoreManager.java:1360)
>> >>   at
>> >> org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl.fl
>> >> ushInternal(PreparedStatementManagerImpl.java:92)
>> >>   ... 15 more
>> >> 
>> >> I wonder why not an EntityExistsException was thrown?
>> >> 
>> >> In the second case, I add a query before persist,  
>> >>                   entityManager = factory.createEntityManager();
>> >>                   /*
>> >>                    * query before persist, even bofore 
>> >> transaction effects samely.
>> >>                    * this query makes exception thrown in 
>> >> persist section difference.
>> >>                    * it seems that query what entity is 
>> >> not important,
>> >>                    * but must get result and result must 
>> >> has some record.
>> >>                    */
>> >>                   entityManager.createQuery(jpql).getResultList();
>> >> 
>> >>                   entityManager.getTransaction().begin();
>> >>                   ...
>> >>                   entityManager.persist(anObject);        
>> >>                   entityManager.getTransaction().commit();
>> >> exception:
>> >> <2|false|0.9.7-incubating-SNAPSHOT>
>> >> org.apache.openjpa.persistence.EntityExistsException: An 
>> >> object of type
>> >> "generate.Bsc" with oid "generate.Bsc-1:objname1" already 
>> >> exists in this
>> >> context; another cannot be persisted.
>> >> FailedObject: [EMAIL PROTECTED]
>> >>   at 
>> >> org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2370)
>> >>   at 
>> >> org.apache.openjpa.kernel.BrokerImpl.persist(BrokerImpl.java:2206)
>> >>   at
>> >> org.apache.openjpa.kernel.DelegatingBroker.persist(DelegatingB
>> >> roker.java:991)
>> >>   at
>> >> org.apache.openjpa.persistence.EntityManagerImpl.persist(Entit
>> >> yManagerImpl.java:526)
>> >>   at test.Main.main(Main.java:72)
>> >> FailedObject:[EMAIL PROTECTED]
>> >> 
>> >> An EntityExistsException was thrown this time, why? 
>> >> 
>> >> Exception is different, and when exception was thrown is also 
>> >> different.
>> >> first case exception was caught at commit,
>> >> second case, exception was caught at persist, why?
>> >> 
>> >> -- 
>> >> View this message in context: 
>> >> http://www.nabble.com/why-not-an-EntityExistsException-was-thr
>> > own--tf3523673.html#a9830350
>> >> Sent from the open-jpa-dev mailing list archive at Nabble.com.
>> >> 
>> >> 
>> > 
>> > Notice:  This email message, together with any attachments, 
>> may contain
>> > information  of  BEA Systems,  Inc.,  its subsidiaries  and 
>>  affiliated
>> > entities,  that may be confidential,  proprietary,  
>> copyrighted  and/or
>> > legally privileged, and is intended solely for the use of 
>> the individual
>> > or entity named in this message. If you are not the 
>> intended recipient,
>> > and have received this message in error, please immediately 
>> return this by
>> > email and then delete it.
>> > 
>> > 
>> 
>> -- 
>> View this message in context: 
>> http://www.nabble.com/why-not-an-EntityExistsException-was-thr
>> own--tf3523673.html#a9830521
>> Sent from the open-jpa-dev mailing list archive at Nabble.com.
>> 
>> 
> 
> Notice:  This email message, together with any attachments, may contain
> information  of  BEA Systems,  Inc.,  its subsidiaries  and  affiliated
> entities,  that may be confidential,  proprietary,  copyrighted  and/or
> legally privileged, and is intended solely for the use of the individual
> or entity named in this message. If you are not the intended recipient,
> and have received this message in error, please immediately return this by
> email and then delete it.
> 
> 

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