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Re: I can not successfully call Persistence.createEntityManagerFactory

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On 9/11/2015 12:39 PM, Cecil Westerhof wrote:
> 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)

>> 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.

JPA may use a different persistence.xml than what they think.

Arne

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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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