I got another problem with almost the same code(see attached code and output). If I call the loadSeq() only once, everything works fine. The second call of the same method will fail. By the exception message, it looks like the session is not cleaned up yet though at the end of the method the session has been flush/clear/closed. Anything wrong?

Or does anyone have a sequence data loader would like to share? I'm quite frustrated after keeping trying to do this seems simple thing without success. If I can make it work, I'd like to post it on the mailing list. Thanks in advance.

Gang

====================================================
public class SequenceLoaderNew {
public void loadSeq(String fileName, String namespace) throws FileNotFoundException, BioException, SQLException, InterruptedException { SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
       Session session = sessionFactory.openSession();
       RichObjectFactory.connectToBioSQL(session);
Namespace ns = (Namespace) RichObjectFactory.getObject(SimpleNamespace.class, new Object[]{namespace});
       RichSequenceDB db = new BioSQLRichSequenceDB(session);
System.out.println("Start loading file " + fileName + " at " + System.currentTimeMillis());
       BufferedReader br = new BufferedReader(new FileReader(fileName));
RichSequenceIterator rsi = RichSequence.IOTools.readGenbankDNA(br, ns);
       try {
           while (rsi.hasNext()) {
               RichSequence sequence = rsi.nextRichSequence();
System.out.println("Loaded sequence" + sequence.getAccession() + ", identifier: " + sequence.getIdentifier());
               Transaction tx = session.beginTransaction();
               try {
System.out.println("Delete sequence" + sequence.getAccession() + " if exists.");
                   db.removeSequence(sequence.getAccession());
                   tx.commit();
                   session.flush();
                   session.clear();
               } catch (Exception ex) {
                   if (tx != null) {
                       tx.rollback();
                   }
               }
               try {
                   tx = session.beginTransaction();
System.out.println("Save sequence " + sequence.getAccession());
                   //session.save("BioEntry", sequence);
                   //db.addSequence(sequence);
                   db.addRichSequence(sequence);
                   tx.commit();
System.out.println("Finished savig sequence " + sequence.getAccession() + "\n");
               } catch (HibernateException ex) {
                   tx.rollback();
                   ex.printStackTrace();
               }
           }
       } finally {
           session.flush();
           session.clear();
           session.close();
       }
   }

public static void main(String[] args) throws BioException, FileNotFoundException, InterruptedException, SQLException {
       SequenceLoaderNew sl = new SequenceLoaderNew();
       sl.loadSeq("/genomeseq/bacteria/NC_005813.gbk", "genbank");
       sl.loadSeq("/genomeseq/bacteria/NC_005813.gbk", "genbank");
   }
}
====================================================
Start loading file /genomeseq/bacteria/NC_005813.gbk at 1211349859602
Loaded sequenceNC_005813, identifier: 45478502
Delete sequenceNC_005813 if exists.
Save sequence NC_005813
Finished savig sequence NC_005813

Start loading file /genomeseq/bacteria/NC_005813.gbk at 1211349863761
Loaded sequenceNC_005813, identifier: 45478502
Delete sequenceNC_005813 if exists.
Save sequence NC_005813
org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [Term#20] at org.hibernate.engine.StatefulPersistenceContext.checkUniqueness(StatefulPersistenceContext.java:590) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performUpdate(DefaultSaveOrUpdateEventListener.java:284) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsDetached(DefaultSaveOrUpdateEventListener.java:223) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:89) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70) at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:507)
       at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:499)
at org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:218)
       at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
       at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
       at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
       at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
at org.hibernate.event.def.AbstractSaveEventListener.cascadeBeforeSave(AbstractSaveEventListener.java:431) at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:265) at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:94) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70) at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:507)
       at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:499)
at org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:218)
       at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
       at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
       at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)
       at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)
       at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)
       at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
       at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
at org.hibernate.event.def.AbstractSaveEventListener.cascadeAfterSave(AbstractSaveEventListener.java:456) at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:334) at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187) at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172) at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
       at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:535)
       at org.hibernate.impl.SessionImpl.save(SessionImpl.java:523)
       at primerdb.SequenceLoaderNew.loadSeq(SequenceLoaderNew.java:51)
       at primerdb.SequenceLoaderNew.main(SequenceLoaderNew.java:69)
Exception in thread "main" org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [Term#19] at org.hibernate.engine.StatefulPersistenceContext.checkUniqueness(StatefulPersistenceContext.java:590) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performUpdate(DefaultSaveOrUpdateEventListener.java:284) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsDetached(DefaultSaveOrUpdateEventListener.java:223) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:89) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70) at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:507)
       at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:499)
at org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:218)
       at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
       at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
       at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
       at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
at org.hibernate.event.def.AbstractSaveEventListener.cascadeBeforeSave(AbstractSaveEventListener.java:431) at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:265) at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:94) at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70) at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:507)
       at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:499)
at org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:218)
       at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
       at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
       at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)
       at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)
       at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)
       at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
       at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
at org.hibernate.event.def.AbstractFlushingEventListener.cascadeOnFlush(AbstractFlushingEventListener.java:131) at org.hibernate.event.def.AbstractFlushingEventListener.prepareEntityFlushes(AbstractFlushingEventListener.java:122) at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:65) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
       at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
       at primerdb.SequenceLoaderNew.loadSeq(SequenceLoaderNew.java:60)
       at primerdb.SequenceLoaderNew.main(SequenceLoaderNew.java:69)
====================================================

Richard Holland wrote:
Forgot to copy my reply back to the lists!


---------- Forwarded message ----------
From: Richard Holland <[EMAIL PROTECTED]>
Date: 2008/5/20
Subject: Re: [BioSQL-l] Load/Update Genbank sequence issue
To: gang wu <[EMAIL PROTECTED]>


You need to substitute this line:

RichSequenceIterator rsi = RichSequence.IOTools.readGenbankDNA(br, new
SimpleNamespace(namespace));

with this line:

Namespace ns = (Namespace)RichObjectFactory.getObject(SimpleNamespace.class,new
Object[]{namespace});
RichSequenceIterator rsi = RichSequence.IOTools.readGenbankDNA(br, ns);

cheers,
Richard

PS. You're the second person who has quoted this section of code on
this list recently, and had the same problem with it. If you got it
from a website somewhere, could you send me the URL so I can get in
touch with the authors and get them to correct it? Thanks!

2008/5/20 gang wu <[EMAIL PROTECTED]>:
Hi all,

I'm trying to load Genbank sequence into BioSQL database with
BioJavax/Hibernate. It's Ok to load the first sequence. Then I got the
exception when loading new sequences or reloading the same sequence. Seems
the Hibernate is trying to insert "genbank" namespace again. Can anybody
tell me what I did wrong? Thanks in advance.

Gang

================================================================
public class SequenceLoaderNew {
  public void loadSeq(String fileName, String namespace) throws
FileNotFoundException, BioException {
      System.out.println("Start loading file " + fileName + " at " +
System.currentTimeMillis());
      BufferedReader br = new BufferedReader(new FileReader(fileName));
      Session session = new
Configuration().configure().buildSessionFactory().openSession();
      RichObjectFactory.connectToBioSQL(session);
      RichSequenceDB db = new BioSQLRichSequenceDB(session);
      RichSequenceIterator rsi = RichSequence.IOTools.readGenbankDNA(br, new
SimpleNamespace(namespace));
      while (rsi.hasNext()) {
          Transaction tx = session.beginTransaction();
          RichSequence sequence = rsi.nextRichSequence();
          System.out.println("Loaded sequence" + sequence.getAccession() +
", identifier: " + sequence.getIdentifier());
          try {
              System.out.println("Delete sequence" + sequence.getAccession()
+ " if exists.");
              db.removeSequence(sequence.getAccession());
          } catch (Exception ex) {
          }
          try {
              System.out.println("Save sequence " +
sequence.getAccession());
              session.save("BioEntry", sequence);
              tx.commit();
              session.flush();
              session.clear();
          } catch (HibernateException ex) {
              tx.rollback();
              ex.printStackTrace();
          }
      }
  }

  public static void main(String[] args) throws BioException,
FileNotFoundException {
      SequenceLoaderNew sl = new SequenceLoaderNew();
      //sl.loadSeq("/genomeseq/bacteria/NC_005813.gbk", "genbank");
      sl.loadSeq("/genomeseq/bacteria/NC_004349.gbk", "genbank");
  }
}
================================================================
org.hibernate.exception.ConstraintViolationException: could not insert:
[Namespace]
      at
org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:71)
      at
org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
      at
org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:40)
      at
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2163)
      at
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2643)
      at
org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:51)
      at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:279)
      at
org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:298)
      at
org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181)
      at
org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107)
      at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187)
      at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172)
      at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:94)
      at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
      at
org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:507)
      at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:499)
      at
org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:218)
      at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
      at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
      at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
      at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
      at
org.hibernate.event.def.AbstractSaveEventListener.cascadeBeforeSave(AbstractSaveEventListener.java:431)
      at
org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:265)
      at
org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181)
      at
org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107)
      at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187)
      at
org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)
      at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172)
      at
org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)
      at
org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
      at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:535)
      at org.hibernate.impl.SessionImpl.save(SessionImpl.java:523)
      at primerdb.SequenceLoaderNew.loadSeq(SequenceLoaderNew.java:38)
      at primerdb.SequenceLoaderNew.main(SequenceLoaderNew.java:52)
Caused by:
com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException:
Duplicate entry 'genbank' for key 'name'
      at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1011)
      at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
      at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3491)
      at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3423)
      at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1936)
      at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060)
      at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2542)
      at
com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1734)
      at
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2019)
      at
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1937)
      at
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1922)
      at
org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:73)
      at
org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:33)
      ... 31 more
================================================================

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