java.sql.SQLException: 内部错误: Unable to construct a Datum

Q:
I am working with Oracle database 8.1.7 and I have written a JAVA code to update the table which contains one BLOB field .
I am using updateBinaryStream method of resultset to update the BLOB field but it is failing after giving following exception
java.sql.SQLException: Internal Error: Unable to construct a Datum from the specified input
Can anyone help me in this regard ?

A:
That's because you are using FileInputStream. FileInputStream doesn't implement all methods of java.io.InputStream. Use java.io.File instead.

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