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Error while Inserting large string into Clob column

 
Vicky Pandya
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Posts: 148
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I have column type Clob in db2 database. Since we can't handle java.sql.Clob on java side, I changed property type from Clob to String in hibernate mapping file and also in POJO from Clob to String. Still in db2 column type is Clob. After this modification I successfully inserted relatively small size string into database. However when I try to insert large string I get following exception.

Can anyone advise how do I handle this? keeping Clob in db2 and String in hibernate side. or is there any other way to achieve this? or is there a way to use Clob on java side? insert text in Clob from hibernate , how?

OM.ibm.db2.jdbc.DB2Exception: [IBM][CLI Driver][DB2/LINUX] SQL0302N The value of a host variable in the EXECUTE or OPEN statement is too large for its corresponding use. SQLSTATE=22001

at COM.ibm.db2.jdbc.app.SQLExceptionGenerator.throw_SQLException(Unknown Source)
at COM.ibm.db2.jdbc.app.SQLExceptionGenerator.throw_SQLException(Unknown Source)
at COM.ibm.db2.jdbc.app.SQLExceptionGenerator.check_return_code(Unknown Source)
at COM.ibm.db2.jdbc.app.DB2PreparedStatement.execute2(Unknown Source)
at COM.ibm.db2.jdbc.app.DB2PreparedStatement.executeUpdate(Unknown Source)
at org.hibernate.jdbc.NonBatchingBatcher.addToBatch(NonBatchingBatcher.java:22)
at org.hibernate.persister.entity.BasicEntityPersister.insert(BasicEntityPersister.java:1866)
at org.hibernate.persister.entity.BasicEntityPersister.insert(BasicEntityPersister.java:2214)
at org.hibernate.action.EntityInsertAction.execute(EntityInsertAction.java:46)
at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:239)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:223)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:136)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:274)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:675)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:293)
at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:86)

ERROR [HttpProcessor[8080][3]] - AbstractFlushingEventListener - Could not synchronize database state with session
org.hibernate.exception.GenericJDBCException:
 
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