> This could be due to the long standing preferences stability bug. Check
> ~/.cayenne/prefs/1.2 directory. If you see a bunch of db1.XXX, db2.XXX
> files, it means the prefs db is in a bad state. In this case my
> suggestion is to stop the Modeler and rm -rf the entire
> ~/.cayenne/prefs/1.2 folder.
Isn't this maybe because of the used HSQLDB?
> I hope Olga may have some time to look at Modeler preferences rework for
> 3.0 to use built-in Java preferences API instead of relying on the
> embeddable DB's.
Wouldn't simply replacing HSQLDB with H2 (http://www.h2database.com/)
solve the problem with far less effort?
I guess it could also bring some nice performance improvements since H2
is faster - besides missing features from HSQLDB such as:
- Transaction Isolation
- Encrypted Database
- Updatable Result Sets, etc.
Adrian.
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