[hibernate-issues] [Hibernate-JIRA] Created: (HHH-6105) PostgreSQL problem when using @Lob on String field

[Roelof Jan Koekoek (JIRA)]

PostgreSQL problem when using @Lob on String field
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                 Key: HHH-6105
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6105
             Project: Hibernate Core
          Issue Type: Bug
    Affects Versions: 3.6.3, 3.6.2, 3.6.1, 3.6.0
         Environment: postgresql:8.3-606.jdbc3

            Reporter: Roelof Jan Koekoek


After upgrading from 3.5.6 to 3.6 we ran into issues using @Lob on String fields previously mapping to PostgreSQL's TEXT type. When loading these fields the PostgreSQL driver returns a:

"org.postgresql.util.PSQLException: Bad value for type long: Text content..." 

The problem can be traced to Hibernates ClobTypeDescriptor which calls a resultSet.getClob("lobfield"). Apparently it expects an OID pointing to a clob and not the text field.

I found a lengthy discussion on this subject here:

http://groups.google.com/group/pgsql.interfaces.jdbc/browse_thread/thread/8385d700bf9ae6d1/0855172bb7ce5d43

At the bottom of the discussion a workaround is mentioned. Using @Type(type="org.hibernate.type.StringClobType") on the @Lob String fields gets things working as before, but this is a deprecated solution.


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