i've written my own realm 'CrmJDBCRealm' which extends the 'JDBCRealm' one of catalina.
this realm creates and returns a principal of type 'CrmPrincipalImpl' which extends 'GenericPrincipal' and implements 'CrmPrincipal'.
'CrmPrincipal' has getter for an 'id' and getter and setter for a 'currentRole' field and extends
'Principal' as well as 'GenericPrincipal' does.
'CrmJDBCRealm', 'CrmPrincipalImpl' and 'CrmPrincipal' are packed together into a .jar and placed under %CATALINA_HOME%/server/lib
on the other side the application only has the 'CrmPrincipal' included, so it doesn't know
about 'CrmPrincipalImpl'. (even if it does nothing changed!)
in my application i have a 'ChangeRoleAction' that is supposed to update
the 'currentRole' if the user decides to have, only application-wide,
another role. again that's nothing to do with the roles of the user that are known
by the server via the 'GenericPrincipal'.
when i try the following i get an ClassCastException
CrmPrincipal principal = (CrmPrincipal) request.getUserPrincipal();
printing out the name of the class the request gives the 'CrmPrincipalImpl' will be stated.
so the realm works fine but the cast can't be done.
any help?
ralf
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