java.lang.ClassNotFoundException: com.bais.dsl.colocationejb.COLocationEjbEOImpl_WLStub

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Check if you've set a name in Application -> Run. If you didn't, the generated XML is gonna have missing information and then this exception will be thrown.

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You are not deploying the oracle driver with the application. Place the driver jars in a shared or library extension folder of your application server. (You should go with option one or two though

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com.bais.dsl.colocationejb.COLocationEjbEOImpl_WLStub
java.lang.ClassNotFoundException: com.bais.dsl.colocationejb.COLocationEjbEOImpl_WLStub
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:297)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:286)
at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:195)
at weblogic.j2ee.ApplicationManager.loadClass(ApplicationManager.java:107)
at weblogic.j2ee.ApplicationManager.loadClass(ApplicationManager.java:87)
at weblogic.common.internal.WLObjectInputStream.resolveClass(WLObjectInputStream.java:49)
at java.io.ObjectInputStream.inputClassDescriptor(ObjectInputStream.java:918)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:366)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1186)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at weblogic.common.internal.WLObjectInputStreamBase2.readObjectWL(WLObjectInputStreamBase2.java:68)
at weblogic.rmi.cluster.ReplicaAwareRemoteObject.readExternal(ReplicaAwareRemoteObject.java:151)
at weblogic.rmi.cluster.ClusterableRemoteObject.readExternal(ClusterableRemoteObject.java:267)
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1212)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at weblogic.common.internal.WLObjectInputStreamBase2.readObjectWL(WLObjectInputStreamBase2.java:68)
at weblogic.cluster.BasicServiceOffer.readExternal(BasicServiceOffer.java:119)
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1212)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at java.util.ArrayList.readObject(ArrayList.java:531)
at java.lang.reflect.Method.invoke(Native Method)
at java.io.ObjectInputStream.invokeObjectReader(ObjectInputStream.java:2213)
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1410)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at weblogic.common.internal.WLObjectInputStreamBase2.readArrayList(WLObjectInputStreamBase2.java:94)
at weblogic.cluster.AnnouncementMessage.readExternal(AnnouncementMessage.java:34)
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java:1212)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:386)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:236)
at weblogic.common.internal.WLObjectInputStreamBase2.readObjectWL(WLObjectInputStreamBase2.java:68)
at weblogic.cluster.MulticastReceiver.getNextMessage(MulticastReceiver.java:243)
at weblogic.cluster.MulticastReceiver.dispatch(MulticastReceiver.java:95)
at weblogic.cluster.MulticastManager.execute(MulticastManager.java:312)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)

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