Double Byte hyphen appear as "?" pls Help

HI,
I have deployed my app on websphere6.0 on solaris machine.
I am retriving from database and dispalying the data containing doublebyte hyphen (�|) in jsp but it appear as "?".
Same app deployed on windows machine works fine...
i have also deployed it on weblogic 8.0 it appear as a "?"
Can any one help

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Double Byte hyphen appear as "?" pls Help

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