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From Joel Halbert <j...@su3analytics.com>
Subject Re: How to override persistence.xml properties
Date Mon, 02 May 2011 14:26:18 GMT
Rick - I also posted the question to stackoverflow, if you're on SO  and
want to answer the question there I'll mark it as correct:
http://stackoverflow.com/questions/5857828/how-to-override-persistence-xml-properties-in-openjpa

- Joel




On Mon, 2011-05-02 at 15:24 +0100, Joel Halbert wrote:
> Hi Rick,
> 
> Good point, I'm now passing all the sys properties in explicity and it
> works fine.
> 
> Properties props = new Properties();
> props.setProperty("openjpa.Log", "log4j");
>           props.putAll(System.getProperties());
> EntityManagerFactory factory =
> Persistence.createEntityManagerFactory("su3", props);
> 
> 
> Thanks!
> 
> Joel
> 
> 
> 
> 
> On Mon, 2011-05-02 at 08:59 -0500, Rick Curtis wrote: 
> > How are you creating your EM/EMFs?? ... I don't recall if we will look at
> > system properties by default.
> > 
> > If you're using javax.persistence.Persistence you could do something like
> > Persistence.createEntityManagerFactory("pu_Name", System.getProperties());
> > 
> > HTH,
> > Rick
> > 
> > On Mon, May 2, 2011 at 8:01 AM, Joel Halbert <joel@su3analytics.com> wrote:
> > 
> > > I have the following property in persistence.xml :
> > >
> > > <property name="openjpa.ConnectionProperties"
> > >
> > > value="DriverClassName=com.mysql.jdbc.Driver,jdbcUrl=jdbc:mysql://localhost:3306/c,user=foo,password=foo,autocommit=false,automaticTestTable=testtable,idleConnectionTestPeriod=60"/>
> > >
> > >
> > > I am trying to override this via a system property, so I have set:
> > >
> > >
> > > -Dopenjpa.ConnectionProperties=DriverClassName=com.mysql.jdbc.Driver,jdbcUrl=jdbc:mysql://localhost:3306/bar,user=bar,password=bar,autocommit=false,automaticTestTable=testtable,idleConnectionTestPeriod=60
> > >
> > > This doesn't seem to work though. OpenJPA always seems to read the
> > > property set in persistence.xml
> > > Only if the property in persistence.xml is NOT SET does it then read the
> > > value from system property.
> > >
> > > Is this expected behaviour? If so what's the correct way to override a
> > > property?
> > >
> > > - Joel
> > >
> > >
> > >
> 



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