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error.invalid.state
java.lang.IllegalArgumentException: Discoverer Beans XML Exception. Method: findNode Class: XMLUtils Error: Cannot find parent node. Parent element does not exist in XML document, looking for database_account/eul	at oracle.discoiv.beans.proxy.XMLUtils.findNode(XMLUtils.java:42)	at oracle.discoiv.beans.proxy.XMLContainerProxy.getChildNode(XMLContainerProxy.java:198)	at oracle.discoiv.beans.proxy.XMLContainerProxy.getBean(XMLContainerProxy.java:78)	at oracle.discoiv.beans.proxy.ConnectionProxy.getEul(ConnectionProxy.java:267)	at oracle.discoiv.beans.Connection.getEul(Connection.java:327)	at oracle.dss.persistence.storagemanager.bi.discomapping.DiscovererAdapter.getEul(DiscovererAdapter.java:202)	at oracle.dss.persistence.storagemanager.bi.discomapping.DiscovererAdapter.getAllWorkbooks(DiscovererAdapter.java:2934)	at oracle.dss.persistence.storagemanager.bi.discomapping.DiscovererAdapter.searchInWorksheetMode(DiscovererAdapter.java:1132)	at oracle.dss.persistence.storagemanager.bi.discomapping.DiscovererAdapter.search(DiscovererAdapter.java:921)	at oracle.dss.persistence.storagemanager.bi.BIStorageManagerImpl.searchHelper(BIStorageManagerImpl.java:1822)	at oracle.dss.persistence.storagemanager.bi.BIStorageManagerImpl.search(BIStorageManagerImpl.java:1739)	at oracle.dss.persistence.persistencemanager.server.PersistenceManagerSupport.searchDelegate(PersistenceManagerSupport.java:484)	at oracle.dss.persistence.persistencemanager.server.PersistenceManagerImpl.search(PersistenceManagerImpl.java:1285)	at oracle.dss.persistence.persistencemanager.server.InitialPersistenceManager.search(InitialPersistenceManager.java:619)	at oracle.dss.metadataManager.server.drivers.persistence.PersistenceMetadataDriverImpl.search(PersistenceMetadataDriverImpl.java:2774)	at oracle.dss.metadataManager.server.MetadataManagerImpl.search(MetadataManagerImpl.java:6292)	at oracle.dss.metadataManager.client.MetadataManager.search(MetadataManager.java:6258)	at oracle.dss.metadataManager.common.MDFolder.search(MDFolder.java:2713)	at oracle.dss.metadataManager.common.MDFolder.search(MDFolder.java:2944)	at oracle.discoverer.applications.viewer.model.RelationalConnection.search(Unknown Source)	at oracle.discoverer.applications.viewer.model.Connection.search(Unknown Source)	at oracle.discoverer.applications.viewer.model.catalog.CatalogItemRoot.extractData(Unknown Source)	at oracle.discoverer.applications.viewer.model.DiscoExplorer._init(Unknown Source)	at oracle.discoverer.applications.viewer.model.DiscoExplorer.init(Unknown Source)	at oracle.discoverer.applications.viewer.model.ViewerModelImpl.notifyConnected(Unknown Source)	at oracle.discoverer.applications.viewer.controllers.APIController.handleApiConnectAppsSecure(Unknown Source)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:324)	at oracle.discoverer.applications.framework.RequestProcessor.execute(Unknown Source)	at oracle.discoverer.applications.framework.WorkerThread.run(Unknown Source)	at java.lang.Thread.run(Thread.java:534)