have you ensured that the write to the clob is in the same transaction as
the select for update statement that gets the handle to the clob? you can do
this programatically in the saveInfo() method, or preferably, in the
deployment descriptor. i think the clob handle is set to null if rollback or
commit is called between the select for update and the write to the clob.

i know i had this problem (or a similar one) and solved it, just can't
remember how. suppose that's what documentation is for!

paul

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