How to use Derby DB with PLay

[alexyz]

Hi,
I've started a prototype based on Play 1.1 but I want to use a Derby
DB instead of memory data store.

So I've commented out the line "db=mem" and put the following:

db=jdbc:derby:sample_db;create=true

Then I've configured the correct Hibernate's dialect for DerbyDB:

jpa.dialect=org.hibernate.dialect.DerbyDialect

After that I've copied the Derby's jar in the installation path of
Play (/opt/play-1.1/framework/lib/).

Unfortunately I get the exception below. Could anyone give me an hint
about how to solve this problem?

JPA error
A JPA error occurred (Cannot start a JPA manager without a properly
configured database): No datasource configured

play.exceptions.JPAException: Cannot start a JPA manager without a
properly configured database
at play.db.jpa.JPAPlugin.onApplicationStart(JPAPlugin.java:
104)
at play.Play.start(Play.java:426)
at play.Play.detectChanges(Play.java:520)
at play.Invoker$Invocation.init(Invoker.java:100)
at Invocation.HTTP Request(Play!)
Caused by: java.lang.NullPointerException: No datasource configured
... 5 more

Thanks and regards,
Alex

[green]

Can you try db configuration like follows:

db.url=jdbc:derby:db1
db.driver=org.apache.derby.jdbc.EmbeddedDriver
#db.user=root
#db.pass=secret

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