JDBC driver class cast error

FULL PRODUCT VERSION :


ADDITIONAL OS VERSION INFORMATION :
win8.1

EXTRA RELEVANT SYSTEM CONFIGURATION :
connect to SQL

A DESCRIPTION OF THE PROBLEM :
In method ResultSet.getObject() will be have ClassCastException if object is HashMap. regist in mysql, a blob column.
Root cause is there have 0x1D misalignment bytes when we use getObject() method.
I don't know the wrong was happened when save or load data, I cannot find detail bug cuz I just have that class and I cannot get source code, but I have been use align method to solve this problem my self.


REPRODUCIBILITY :
This bug can be reproduced always.