org.netbeans.modules.j2ee.deployment.common.api.ConfigurationException: NullPointerException while setting cmp mapping information.
        at org.netbeans.modules.j2ee.sun.share.configbean.SunONEDeploymentConfiguration.mapCmpBeans(SunONEDeploymentConfiguration.java:1675)
        at org.netbeans.modules.j2ee.sun.ide.j2ee.ModuleConfigurationImpl.setMappingInfo(ModuleConfigurationImpl.java:160)
        at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl.setCMPMappingInfo(ConfigSupportImpl.java:280)
        at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.cmp.CmpFromDbGenerator.generateBeans(CmpFromDbGenerator.java:184)
        at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.cmp.CmpGenerator.generateBeans(CmpGenerator.java:72)
        at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.createBeans(RelatedCMPWizard.java:317)
        at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.access$000(RelatedCMPWizard.java:58)
        at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard$1.run(RelatedCMPWizard.java:233)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:539)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:964)
java.lang.NullPointerException
        at org.netbeans.modules.j2ee.sun.ddloaders.DDMultiViewDataObject.writeModel(DDMultiViewDataObject.java:113)
        at org.netbeans.modules.j2ee.sun.ddloaders.DDMultiViewDataObject.writeModel(DDMultiViewDataObject.java:103)
        at org.netbeans.modules.j2ee.sun.dd.impl.cmp.SunCmpMappingsProxy.write(SunCmpMappingsProxy.java:338)
        at org.netbeans.modules.j2ee.sun.share.configbean.SunONEDeploymentConfiguration.mapCmpBeans(SunONEDeploymentConfiguration.java:1662)
        at org.netbeans.modules.j2ee.sun.ide.j2ee.ModuleConfigurationImpl.setMappingInfo(ModuleConfigurationImpl.java:160)
        at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl.setCMPMappingInfo(ConfigSupportImpl.java:280)
        at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.cmp.CmpFromDbGenerator.generateBeans(CmpFromDbGenerator.java:184)
        at org.netbeans.modules.j2ee.ejbcore.ejb.wizard.cmp.CmpGenerator.generateBeans(CmpGenerator.java:72)
        at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.createBeans(RelatedCMPWizard.java:317)
        at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard.access$000(RelatedCMPWizard.java:58)
        at org.netbeans.modules.j2ee.persistence.wizard.fromdb.RelatedCMPWizard$1.run(RelatedCMPWizard.java:233)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:539)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:964)