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From "Michael Gentry" <>
Subject Re: getting started
Date Thu, 28 Jun 2007 15:26:04 GMT
Two silly questions:

1) Can you connect using the mysql command prompt?
2) Can you connect using another tool (there are many DB plugins for
Eclipse) that uses a jdbc: type connection string?



On 6/27/07, Jack O'Connor <> wrote:
> Hi, I'm new to Cayenne and have just joined a work group that use it.
> Their system is still using Cayenne 1.2.3, so that is the version I
> downloaded and unpacked in /home/program_files (in my fresh Fedora 7
> Linux installation). They are using the MySQL db, so I also acquired a
> JDBC driver (called MySQL Connector/J) and unpacked that in
> /home/program_files.
> Following the tutorial, I setup Eclipse, then begin working with
> Cayenne. After setting CAYENNE_HOME=/home/program_files/cayenne-1.2.3
> I open Cayenne by running:
> cd [cayenne_distro_dir]/lib/modeler
> java -jar cayenne-modeler.jar
> Then in Tools>Preferences>ClassPath, I add the file
> /home/program_files/mysql-connector-java-3.0.17-ga/mysql-connector-java-3.0.17-ga-bin.jar
> Then in Tools>Preferences>Local DataSources, I click New... and create:
> Name: DataSource0
> Adapter: org.objectstyle.cayenne.dba.mysql.MySQLAdapter
> Then change DB URL to jdbc:mysql://localhost/jackdb (where jackdb is the
> name of a MySQL DB I have created), and Enter my Username and Password
> for it. Now, if I click Test..., I get:
> Error connecting to DB: Invalid authorization specification message form
> server: "Access denied for user 'nobody'@'localhost' (using password: NO)"
> If I continue, and click save, then "New Project", the main window is
> divided into 2 parts as in the tutorial; on the right is the normal
> default screen as in the tutorial, but on the left is on long line:
> org.objectstyle.cayenne.access.DataDomain@30ca22d1[name=UntitledDomain]
> NB/ each time I go back into Tools>Preferences>Local DataSources, DB URL
> has reset to jdbc:mysql://localhost/database, and Username and Password
> are blank again.
> I would really appreciate any ideas!
> Thanks
> Jack

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