Just been doing some more debugging on this - it appears that the
correct values are being passed through and are assigned to an entity
instance, but they blow up when trying to do the em.merge(author)
call.
The stack trace I get is:
### AUTHOR
[EMAIL PROTECTED]
### AUTHOR ID
0
### AUTHOR NAME
sdfsdssdfs
DEBUG - opened session at timestamp: 12208732519
DEBUG - begin
DEBUG - opening JDBC connection
DEBUG - total checked-out connections: 0
DEBUG - using pooled JDBC connection, pool size: 0
DEBUG - current autocommit status: true
DEBUG - disabling autocommit
DEBUG - after transaction begin
DEBUG - id unsaved-value: 0
DEBUG - transient instance of: com.foo.jpaweb.model.Author
DEBUG - merging transient instance
DEBUG - saving [com.foo.jpaweb.model.Author#<null>]
DEBUG - executing insertions
DEBUG - Wrapped collection in role: com.foo.jpaweb.model.Author.books
DEBUG - executing identity-insert immediately
DEBUG - Inserting entity: com.foo.jpaweb.model.Author (native id)
DEBUG - about to open PreparedStatement (open PreparedStatements: 0,
globally: 0)
DEBUG - insert into authors (name, id) values (?, ?)
Hibernate: insert into authors (name, id) values (?, ?)
DEBUG - preparing statement
DEBUG - Dehydrating entity: [com.foo.jpaweb.model.Author#<null>]
DEBUG - binding 'sdfsdssdfs' to parameter: 1
DEBUG - about to close PreparedStatement (open PreparedStatements: 1,
globally: 1)
DEBUG - closing statement
DEBUG - could not insert: [com.foo.jpaweb.model.Author] [insert into
authors (name, id) values (?, ?)]
java.sql.SQLException: Parameter #2 has not been set.
at
net.sourceforge.jtds.jdbc.ConnectionJDBC2.prepareSQL(ConnectionJDBC2.java:
613)
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