Edmond Kemokai created DBUTILS-111:
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Summary: Multiple calls to getObject on stream columns causes
exception
Key: DBUTILS-111
URL: https://issues.apache.org/jira/browse/DBUTILS-111
Project: Commons DbUtils
Issue Type: Bug
Affects Versions: 1.5
Reporter: Edmond Kemokai
Priority: Minor
I use derby and it doesn't allow more than one call to
rs.get[Object|Clob|Blob|AsciiStream|CharacterStream|BinaryStream] on a the same
column in a resultset row.
In BeanProcessor.processColumn (and possibly other places in dbutils), there is
a null check against rs.getObject at the beginning of the function. When the
column being retrieved is a clob/blob column, this will throw an exception on
derby because when you make the subsequent
get[Object|Clob|Blob|AsciiStream|CharacterStream|BinaryStream] call, it counts
as more than one retrieval request.
The fix will be a rewrite to ensure clob/blob/stream columns are retrieved only
once per resultset row.
You can find more information on the derby team thought process on this issue:
http://db.apache.org/derby/releases/release-10.6.1.0.html
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