my sql verion 5.1 connection failure errors

i changed my databse to my5.1  from mysql4 iam getting the following error

Caused by: java.sql.SQLException: Communication link failure:, underlying cause: Unexpected end of input stream

MESSAGE: Unexpected end of input stream

STACKTRACE: Unexpected end of input stream
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You are probably using an older version of the driver that doesn''t know how to connect to your current version of MySQL.

Use the latest version of the driver, and remove all older version from your classpath.

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Anthony PerkinsCommented:
>>Zones: MySQL Server, Web Servers, SQL Server 2008<<
Does this question have anything to do with SQL Server 2008 ?
presynctAuthor Commented:
No MySql 5.1
Anthony PerkinsCommented:
I did not think so either.
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