Hi Leslie,

I had the same problem. Just in case you didn't find it, there might be an older version of the driver in /Library/Java/Extensions - not sure where it came from. Maybe from CocoaMySQL?

Deleting that older version and using 3.1 fixed it for me.

Best wishes

John Prince

Mark Matthews wrote:
> Leslie Lowry wrote:
> > I'm having a similar problem. I'm running a
> java
> > application which attempts to retrieve items
> from
> > a database MySQL version 4.1 on Mac OS X
> Panther.
> > My application works fine on Windows and
> Linux
> > environments but on Mac I'm seeing a very
> similar
> > stack as yours...
> >
> > java.sql.SQLException: Communication link
> failure:
> > java.io.IOException, underlying cause:
> Unexpected
> > end of input stream
> >
> > ** BEGIN NESTED EXCEPTION **
> >
> > java.io.IOException
> > MESSAGE: Unexpected end of input stream
> >
> > STACKTRACE:
> >
> > java.io.IOException: Unexpected end of input
> > stream
> > at
> >
> com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:109
>
> > 6)
> > at
> >
> com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:62
>
>
> This stack trace tells me you're using an older
> version of the driver that doesn't know how to
> connect to MySQL-4.1 (the authentication protocol
> changed in MySQL-4.1).
>
> Make sure you're using the latest version of the
> driver, and that you don't have older versions
> laying around in your classpath.
>
> -Mark
>

jackaustin631:
Hi Leslie,

I had the same problem. Just in case you didn't find it, there might be an older version of the driver in /Library/Java/Extensions - not sure where it came from. Maybe from CocoaMySQL?

Deleting that older version and using 3.1 fixed it for me.

Best wishes

John Prince

Mark Matthews wrote:
> Leslie Lowry wrote:
> > I'm having a similar problem. I'm running a
> java
> > application which attempts to retrieve items
> from
> > a database MySQL version 4.1 on Mac OS X
> Panther.
> > My application works fine on Windows and
> Linux
> > environments but on Mac I'm seeing a very
> similar
> > stack as yours...
> >
> > java.sql.SQLException: Communication link
> failure:
> > java.io.IOException, underlying cause:
> Unexpected
> > end of input stream
> >
> > ** BEGIN NESTED EXCEPTION **
> >
> > java.io.IOException
> > MESSAGE: Unexpected end of input stream
> >
> > STACKTRACE:
> >
> > java.io.IOException: Unexpected end of input
> > stream
> > at
> >
> com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:109
>
> > 6)
> > at
> >
> com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:62
>
>
> This stack trace tells me you're using an older
> version of the driver that doesn't know how to
> connect to MySQL-4.1 (the authentication protocol
> changed in MySQL-4.1).
>
> Make sure you're using the latest version of the
> driver, and that you don't have older versions
> laying around in your classpath.
> Unexpected end of input stream
> -Mark
>

thanks in advance for any