java.lang.NullPointerException at oracle.ideimpl.log.TabbedLogManager.getMsgPage(TabbedLogManager.java:101) at oracle.toplink.addin.log.POJOGenerationLoggingAdapter.updateTask(POJOGenerationLoggingAdapter.java:42) at oracle.toplink.addin.mappingcreation.MappingCreatorImpl.fireTaskUpdated(MappingCreatorImpl.java:1102) at oracle.toplink.addin.mappingcreation.MappingCreatorImpl.generateMappedDescriptorsForTables(MappingCreatorImpl.java:269) at oracle.toplink.addin.mappingcreation.MappingCreatorImpl.generateMappedDescriptorsForTables(MappingCreatorImpl.java:206) at oracle.toplink.addin.wizard.jobgeneration.JobWizard$1.construct(JobWizard.java:401) at oracle.ide.util.SwingWorker$1.run(SwingWorker.java:119) at java.lang.Thread.run(Thread.java:595)