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java.lang.ClassCastException at oracle.dss.metadataManager.server.drivers.mdm._92.MDMMetadataDriverImpl_92.getMdmMetadataProvider(MDMMetadataDriverImpl_92.java:1133) at oracle.dss.metadataManager.server.drivers.mdm._92.MDMMetadataDriverImpl_92.attach(MDMMetadataDriverImpl_92.java:810) at oracle.dss.metadataManager.server.drivers.mdm.MDMMetadataDriverImpl.attach(MDMMetadataDriverImpl.java:125) at oracle.dss.metadataManager.server.MetadataManagerImpl.buildObjectModel(MetadataManagerImpl.java:1092) at oracle.dss.metadataManager.server.MetadataManagerImpl.attach(MetadataManagerImpl.java:969) at oracle.dss.metadataManager.client.MetadataManager.attach(MetadataManager.java:876) at oracle.dss.metadataManager.client.MetadataManager.attach(MetadataManager.java:799) at oracle.dss.addins.designer.OLAPSource.test(OLAPSource.java:306) at oracle.dss.addins.wizard.connection.OlapTestPanel.testConnectionImpl(OlapTestPanel.java:50) at oracle.dss.addins.wizard.connection.TestConnectionPanel$2.construct(TestConnectionPanel.java:184) at oracle.jdeveloper.common.SwingWorker$2.run(SwingWorker.java:168) at java.lang.Thread.run(Thread.java:534)