setBlob(InputStream) not supported?

I've got a web service that is coded to stream data into a database
blob via jdbc, and which uses, therefore, the setBlob(InputStream) API
on the prepared statement.

I was rewarded in the very latest driver with a 'not yet implemented'.
Is there a recommended workaround for this?

org.springframework.dao.InvalidDataAccessApiUsageException:
PreparedStatementCallback; SQL [insert into document (id, contents,
created, metadata) values (?, ?, ?, ?)]; Method
org.postgresql.jdbc4.Jdbc4PreparedStatement.setBlob(int, InputStream)
is not yet implemented.; nested exception is
java.sql.SQLFeatureNotSupportedException: Method
org.postgresql.jdbc4.Jdbc4PreparedStatement.setBlob(int, InputStream)
is not yet implemented.
...
Caused by: java.sql.SQLFeatureNotSupportedException: Method
org.postgresql.jdbc4.Jdbc4PreparedStatement.setBlob(int, InputStream)
is not yet implemented.
at org.postgresql.Driver.notImplemented(Driver.java:753)
at org.postgresql.jdbc4.AbstractJdbc4Statement.setBlob(AbstractJdbc4Statement.java:164)
at com.basistech.jdd.sql.JDDDao$1.doInPreparedStatement(JDDDao.java:198)
at com.basistech.jdd.sql.JDDDao$1.doInPreparedStatement(JDDDao.java:1)
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:586)
... 28 more