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From "Karan Malhi" <karan.ma...@gmail.com>
Subject Re: Where do I get javax.persistence package?
Date Tue, 23 Oct 2007 10:21:52 GMT
You will need to add the import for the javax.annotation package.
Please also add geronimo-annotation_1.0_spec-1.1.jar to the classpath.

On 10/23/07, satsuma <karijakari@hotmail.com> wrote:
>
> Thanks for the help Dain, but still not working.
>
> @Resources does not work either. The error message is the same "Cannot find
> symbol: class Resources". I also tried with @Resource inside the class like
> you said, but no success. I added geronimo-activation...jar to my classpath
> so that the compiler won't give error about the DataSource.
>
>
>
> Dain Sundstrom wrote:
> >
> > The class level annotation for declaring resource jndi entries is
> > @Resources:
> >
> >    @Resources({ @Resource(name="PostgreSQL Database",
> > type=DataSource.class) })
> >
> > Also the type attribute is a java.lang.Class object not a
> > java.lang.String object.
> >
> > BTW it is much easier to use field injection like this:
> >
> >    @Stateless
> >    public class HelloBean implements Hello {
> >      @Resource
> >      private DataSource dataSource;
> >
> >      public String sayHello() {
> >        return "Hello from EJB world!";
> >      }
> >    }
> >
> > This way you can avoid all the annoying boiler plate JNDI code.
> >
> > -dain
> >
> > On Oct 22, 2007, at 10:02 AM, satsuma wrote:
> >
> >>
> >> Hi,
> >>
> >> This is not actually solved yet. When I try to compile my bean
> >> class, I get
> >> an error that says:
> >>
> >> HelloBean.java:7: cannot find symbol
> >> symbol: class Resource
> >> @Resource(name = "PostgreSQL Database", type = "javax.sql.DataSource")
> >>  ^
> >> 1 error
> >>
> >> My source files look like this
> >>
> >> // Remote interface
> >> import javax.ejb.Remote;
> >> import java.util.List;
> >>
> >> @Remote
> >> public interface Hello
> >> {
> >>   public String sayHello();
> >> }
> >>
> >> // Bean class
> >>
> >> import java.util.List;
> >> import javax.ejb.Stateless;
> >> import javax.persistence.*;
> >>
> >> @Resource(name = "PostgreSQL Database", type = "javax.sql.DataSource")
> >> @Stateless
> >> public class HelloBean implements Hello
> >> {
> >>   public String sayHello()
> >>   {
> >>     return "Hello from EJB world!";
> >>   }
> >> }
> >>
> >> There's no database operations yet, because I'm first trying to get it
> >> through the compiler with the Resource annotation. The
> >> PersistenceContext
> >> annotation does not cause any errors.
> >>
> >> My classpath is
> >>
> >> .:/opt/apache-tomcat-6.0.10/lib/servlet-api.jar:
> >> /opt/apache-tomcat-6.0.10/lib/jsp-api.jar:
> >> /usr/share/java/postgresql-jdbc3-8.1.jar:/opt/junit/junit-4.4.jar:
> >> /opt/openejb-3.0-beta-1/lib/geronimo-ejb_3.0_spec-1.0.jar:
> >> /opt/openejb-3.0-beta-1/lib/openejb-client-3.0-beta-1.jar:
> >> /opt/openejb-3.0-beta-1/lib/geronimo-jpa_3.0_spec-1.1.jar
> >>
> >> Is there something missing?
> >>
> >> Java is version 1.5.0_08.
> >>
> >>
> >> satsuma wrote:
> >>>
> >>> Thanks Dario, that does it!
> >>>
> >>> Allthough I have no problem with the compilation part any more, but I
> >>> still can't get the database connection to work. I'll make a
> >>> thread for
> >>> the new question, to keep this thread under the current subject.
> >>>
> >>>
> >>> Dario Laverde wrote:
> >>>>
> >>>> Hello Satsuma,
> >>>>
> >>>> Add the following 2 jars to your classpath:
> >>>>
> >>>> geronimo-ejb_3.0_spec-1.0.jar
> >>>> geronimo-jpa_3.0_spec-1.1.jar
> >>>>
> >>>> For an example (using Tomcat) check my blog entry at:
> >>>> http://javanotebook.com/2007/09/28/openejb_3_and_tomcat_6.html
> >>>>
> >>>> -Dario
> >>>>
> >>>>> Thank you Mohammad for your reply.
> >>>>>
> >>>>> I can not find such a jar file from the lib directory. The only
> >>>>> ones
> >>>>> close
> >>>>> to that(containing 'persistence') are openjpa-
> >>>>> persistence-1.0.0.jar and
> >>>>> openjpa-persistence-jdbc-1.0.0.jar, so I added both of those to
my
> >>>>> classpath, but that didn't solve the problem. Any more tips?
> >>>>>
> >>>>>
> >>>>>
> >>>>> Mohammad Nour El-Din wrote:
> >>>>>>
> >>>>>> Try including the persistence-api-XXXX.jar found in the
> >>>>>> ${openejb.home}/lib
> >>>>>> directory .
> >>>>>>
> >>>>>> On 10/18/07, satsuma <karijakari@hotmail.com> wrote:
> >>>>>>>
> >>>>>>>
> >>>>>>> Hi,
> >>>>>>>
> >>>>>>> I have just started EJB programming and I ran into a problem,
> >>>>>>> when
> >>>>>>> trying
> >>>>>>> to
> >>>>>>> implement a simple stateless session bean that accesses
> >>>>>>> database. I
> >>>>>>> have
> >>>>>>> been following the instruction in the openEJB documentation
page,
> >>>>>>> http://openejb.apache.org/databases.html
> >>>>>>>
> >>>>>>> When I try to compile my class, I get an error that states
> >>>>>>> "package
> >>>>>>> javax.persistence.* does not exist" and because of this
I can
> >>>>>>> not use
> >>>>>>> annotations such as @Resource or @PersistenceContext. The
> >>>>>>> @Stateless
> >>>>>>> annotation on the other hand, works as supposed(I made the
> >>>>>>> hello world
> >>>>>>> tutorial from the documentation).
> >>>>>>>
> >>>>>>> I have added geronimo-ejb_3.0_spec-1.0.jar and
> >>>>>>> openejb-client-3.0-beta-1.jar
> >>>>>>> to my classpath, do I need to add something more?
> >>>>>>>
> >>>>>>> Thanks.
> >>>>>>> --
> >>>>>>> View this message in context:
> >>>>>>> http://www.nabble.com/Where-do-I-get-javax.persistence-
> >>>>>>> package--tf4648542.html#a13279676
> >>>>>>> Sent from the OpenEJB User mailing list archive at Nabble.com.
> >>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>>
> >>>>>> --
> >>>>>> Thanks
> >>>>>> - Mohammad Nour
> >>>>>>
> >>>>>>
> >>>>>
> >>>>> --
> >>>>> View this message in context:
> >>>>> http://www.nabble.com/Where-do-I-get-javax.persistence-package--
> >>>>> tf4648542.html#a13281604
> >>>>> Sent from the OpenEJB User mailing list archive at Nabble.com.
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> >>
> >> --
> >> View this message in context: http://www.nabble.com/Where-do-I-get-
> >> javax.persistence-package--tf4648542.html#a13346735
> >> Sent from the OpenEJB User mailing list archive at Nabble.com.
> >>
> >
> >
> >
>
> --
> View this message in context: http://www.nabble.com/Where-do-I-get-javax.persistence-package--tf4648542.html#a13360830
> Sent from the OpenEJB User mailing list archive at Nabble.com.
>
>


-- 
Karan Singh Malhi

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