[jboss-user] [jBPM] - Jbpm and openJPA

[malabalu]

malabalu [https://community.jboss.org/people/malabalu] created the discussion

"Jbpm and openJPA"

To view the discussion, visit: https://community.jboss.org/message/724692#724692

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We are trying to use openJPA fo rpersistence along with Spring . We ran into coupel of issues with SessionInfo, WorkItemInfo classes and a query in JBPorm.xml file.
We had to change the Id generation for the above 2 classes into Sequence as below

strategy = GenerationType.SEQUENCE, generator="sessionInfoIdSeq"...It was originally havifn AUTO but with geenrator as sessionInfoIdSeq...which prevented htese classes from enhanced.


Also once cross these problems, I ran into a query defined in JBPOrm.xml with ":"  in it which is not suitable for JPA  and also a field eventype reference which it complains that not found .So I had to include a orm.xml in my classpath and override the query as below.

<named-native-query name="ProcessInstancesWaitingForEvent" result-set-mapping="ProcessInstancesWaitingForEvent.mapping">
    <query>
    select distinct
      p.InstanceId
    from
      ProcessInstanceInfo p
    join
      EventTypes e on p.InstanceId=e.InstanceId 
    </query>
</named-native-query> 


Did anybody come across similar problems.Are my solutions right?


Also finally I am running into a problem if I include the plugin in my pom.xml to enhance, it complains as below

 MetaDataFactory could not be configured (conf.newMetaDataFactoryInstance(
) returned null). This might mean that no configuration properties were found. E
nsure that you have a META-INF/persistence.xml file, that it is available in you
r classpath, or that the properties file you are using for configuration is avai
lable. If you are using Ant, please see the <properties> or <propertiesFile> att
ributes of the task's nested <config> element. This can also occur if your OpenJ
PA distribution jars are corrupt, or if your security policy is overly strict.

Any help will be appreciated.
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