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| From | Cecil Westerhof <Cecil@decebal.nl> |
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: I can not successfully call Persistence.createEntityManagerFactory |
| Date | Fri, 11 Sep 2015 18:39:43 +0200 |
| Organization | Decebal Computing |
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On Wednesday 9 Sep 2015 15:23 CEST, Cecil Westerhof wrote:
> I have to implement some JPA functionalities. It is fairly new to
> me, so it is no wonder that things go wrong.
>
> I am trying to call: emf =
> Persistence.createEntityManagerFactory("this-persistence-unit");
>
> In my persistence.xml the name of persistence-unit is
> 'this-persistence-unit'.
>
> But the call gives: javax.persistence.PersistenceException: Explicit
> persistence provider error(s) occurred for "this-persistence-unit"
> after trying the
> com.ibm.websphere.persistence.PersistenceProviderImpl returned:
> <openjpa-2.1.2-SNAPSHOT-r422266:1530146 nonfatal general error> org.
> at org.apache.openjpa.lib.meta.XMLMetaDataParser.parseNewResource
> (XMLMetaDataParser.java:424)
>
> So I am doing something wrong. Does anyone have an idea what it
> could be that I am doing wrong?
>
> I am using the same persistence.xml as is used in another project.
> But they do not have any idea how persistence is implemented, so
> they cannot help me. :'-(
It turned out there files where not correct: I needed to change quite
a few things. Why they do not get errors is a mystery for me.
--
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof
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I can not successfully call Persistence.createEntityManagerFactory Cecil Westerhof <Cecil@decebal.nl> - 2015-09-09 15:23 +0200
Re: I can not successfully call Persistence.createEntityManagerFactory Cecil Westerhof <Cecil@decebal.nl> - 2015-09-11 18:39 +0200
Re: I can not successfully call Persistence.createEntityManagerFactory Arne Vajhøj <arne@vajhoej.dk> - 2015-09-11 21:36 -0400
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