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<a href="https://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">JBoss Community</a></h1>
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Jbpm and openJPA
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created by <a href="https://community.jboss.org/people/malabalu">malabalu</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/724692#724692">View the full discussion</a>
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<div class="jive-rendered-content"><p>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.</p><p>We had to change the Id generation for the above 2 classes into Sequence as below</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>strategy = GenerationType.SEQUENCE, generator="sessionInfoIdSeq"...It was originally havifn AUTO but with geenrator as sessionInfoIdSeq...which prevented htese classes from enhanced.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>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.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><named-native-query name="ProcessInstancesWaitingForEvent" result-set-mapping="ProcessInstancesWaitingForEvent.mapping"></p><p>    <query></p><p>    select distinct</p><p>      p.InstanceId</p><p>    from</p><p>      ProcessInstanceInfo p</p><p>    join</p><p>      EventTypes e on p.InstanceId=e.InstanceId </p><p>    </query></p><p></named-native-query> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Did anybody come across similar problems.Are my solutions right?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Also finally I am running into a problem if I include the plugin in my pom.xml to enhance, it complains as below</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p> MetaDataFactory could not be configured (conf.newMetaDataFactoryInstance(</p><p>) returned null). This might mean that no configuration properties were found. E</p><p>nsure that you have a META-INF/persistence.xml file, that it is available in you</p><p>r classpath, or that the properties file you are using for configuration is avai</p><p>lable. If you are using Ant, please see the <properties> or <propertiesFile> att</p><p>ributes of the task's nested <config> element. This can also occur if your OpenJ</p><p>PA distribution jars are corrupt, or if your security policy is overly strict.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Any help will be appreciated.</p></div>
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