java - How to load persistence unit from other jars? -


thanks all...

i've 3 jars, 1 dao logic, other persistence archive (mappings, persistence.xml , orm files) , other application project. i'm using intellij idea 13 , gradle develop application in application project, when try run obtains next error:

exception [eclipselink-30009] (eclipse persistence services - 2.5.1.v20130918-f2b9fc5): org.eclipse.persistence.exceptions.persistenceunitloadingexception exception description: exception thrown while trying load persistence unit @ url: file:/f:/ideaprojects/com.reyma.db/out/artifacts/com_reyma_db/com.reyma.db.jar internal exception: java.lang.nullpointerexception     @ org.eclipse.persistence.exceptions.persistenceunitloadingexception.exceptionloadingfromurl(persistenceunitloadingexception.java:100)     @ org.eclipse.persistence.internal.jpa.deployment.persistenceunitprocessor.processpersistencearchive(persistenceunitprocessor.java:597)     @ org.eclipse.persistence.internal.jpa.deployment.persistenceunitprocessor.getpersistenceunits(persistenceunitprocessor.java:481)     @ org.eclipse.persistence.internal.jpa.deployment.jpainitializer.findpersistenceunitinfoinarchive(jpainitializer.java:172)     @ org.eclipse.persistence.internal.jpa.deployment.jpainitializer.findpersistenceunitinfoinarchives(jpainitializer.java:154)     @ org.eclipse.persistence.internal.jpa.deployment.jpainitializer.findpersistenceunitinfo(jpainitializer.java:135)     @ org.eclipse.persistence.jpa.persistenceprovider.createentitymanagerfactory(persistenceprovider.java:177)     @ javax.persistence.persistence.createentitymanagerfactory(persistence.java:79)     @ javax.persistence.persistence$createentitymanagerfactory.call(unknown source)     @ org.codehaus.groovy.runtime.callsite.callsitearray.defaultcall(callsitearray.java:45)     @ org.codehaus.groovy.runtime.callsite.abstractcallsite.call(abstractcallsite.java:108)     @ org.codehaus.groovy.runtime.callsite.abstractcallsite.call(abstractcallsite.java:120)     @ com.srs.jpa.entitymanagerproviderimpl.initializeentitymanager(entitymanagerproviderimpl.groovy:59)     @ com.srs.jpa.interfaces.ientitymanagerprovider$initializeentitymanager.call(unknown source)     @ org.codehaus.groovy.runtime.callsite.callsitearray.defaultcall(callsitearray.java:45)     @ org.codehaus.groovy.runtime.callsite.abstractcallsite.call(abstractcallsite.java:108)     @ org.codehaus.groovy.runtime.callsite.abstractcallsite.call(abstractcallsite.java:120)     @ com.reyma.main.initializeentitymanager.initialize(initializeentitymanager.groovy:43)     @ com.reyma.main.initializeentitymanager$initialize.call(unknown source)     @ org.codehaus.groovy.runtime.callsite.callsitearray.defaultcall(callsitearray.java:45)     @ org.codehaus.groovy.runtime.callsite.abstractcallsite.call(abstractcallsite.java:108)     @ org.codehaus.groovy.runtime.callsite.abstractcallsite.call(abstractcallsite.java:112)     @ com.reyma.main.main.start(main.groovy:62)     @ com.sun.javafx.application.launcherimpl$8.run(launcherimpl.java:837)     @ com.sun.javafx.application.platformimpl$7.run(platformimpl.java:335)     @ com.sun.javafx.application.platformimpl$6$1.run(platformimpl.java:301)     @ com.sun.javafx.application.platformimpl$6$1.run(platformimpl.java:298)     @ java.security.accesscontroller.doprivileged(native method)     @ com.sun.javafx.application.platformimpl$6.run(platformimpl.java:298)     @ com.sun.glass.ui.invokelaterdispatcher$future.run(invokelaterdispatcher.java:95)     @ com.sun.glass.ui.win.winapplication._runloop(native method)     @ com.sun.glass.ui.win.winapplication.access$300(winapplication.java:39)     @ com.sun.glass.ui.win.winapplication$4$1.run(winapplication.java:112)     @ java.lang.thread.run(thread.java:745) caused by: java.lang.nullpointerexception     @ org.eclipse.persistence.internal.jpa.deployment.xml.parser.persistencecontenthandler.endelement(persistencecontenthandler.java:143)

i think problem have dao , persistence parts there separated but, how can solve this?


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