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java.lang.NullPointerException: 	at org.springframework.roo.addon.web.mvc.controller.WebScaffoldMetadata.getDatePatterns(WebScaffoldMetadata.java:1231)	at org.springframework.roo.addon.web.mvc.controller.WebScaffoldMetadata.(WebScaffoldMetadata.java:107)	at org.springframework.roo.addon.web.mvc.controller.WebScaffoldMetadataProviderImpl.getMetadata(WebScaffoldMetadataProviderImpl.java:86)	at org.springframework.roo.classpath.itd.AbstractItdMetadataProvider.get(AbstractItdMetadataProvider.java:266)	at org.springframework.roo.metadata.DefaultMetadataService.getInternal(DefaultMetadataService.java:136)	at org.springframework.roo.metadata.DefaultMetadataService.get(DefaultMetadataService.java:81)	at org.springframework.roo.metadata.DefaultMetadataService.get(DefaultMetadataService.java:179)	at org.springframework.roo.addon.web.mvc.jsp.JspViewManager.getPathForType(JspViewManager.java:533)	at org.springframework.roo.addon.web.mvc.jsp.JspViewManager.createFieldsForCreateAndUpdate(JspViewManager.java:446)	at org.springframework.roo.addon.web.mvc.jsp.JspViewManager.getCreateDocument(JspViewManager.java:253)	at org.springframework.roo.addon.web.mvc.jsp.JspMetadataListener.get(JspMetadataListener.java:175)	at org.springframework.roo.metadata.DefaultMetadataService.getInternal(DefaultMetadataService.java:136)	at org.springframework.roo.metadata.DefaultMetadataService.get(DefaultMetadataService.java:81)	at org.springframework.roo.addon.web.mvc.jsp.JspMetadataListener.notify(JspMetadataListener.java:352)	at org.springframework.roo.metadata.DefaultMetadataService.notify(DefaultMetadataService.java:199)	at org.springframework.roo.metadata.internal.DefaultMetadataDependencyRegistry.notifyDownstream(DefaultMetadataDependencyRegistry.java:262)	at org.springframework.roo.metadata.AbstractHashCodeTrackingMetadataNotifier.notifyIfRequired(AbstractHashCodeTrackingMetadataNotifier.java:52)	at org.springframework.roo.classpath.itd.AbstractItdMetadataProvider.get(AbstractItdMetadataProvider.java:313)	at org.springframework.roo.metadata.DefaultMetadataService.getInternal(DefaultMetadataService.java:136)	at org.springframework.roo.metadata.DefaultMetadataService.get(DefaultMetadataService.java:81)	at org.springframework.roo.metadata.DefaultMetadataService.get(DefaultMetadataService.java:179)	at org.springframework.roo.addon.web.mvc.jsp.JspViewManager.getPathForType(JspViewManager.java:533)	at org.springframework.roo.addon.web.mvc.jsp.JspViewManager.createFieldsForCreateAndUpdate(JspViewManager.java:446)	at org.springframework.roo.addon.web.mvc.jsp.JspViewManager.getCreateDocument(JspViewManager.java:253)	at org.springframework.roo.addon.web.mvc.jsp.JspMetadataListener.get(JspMetadataListener.java:175)	at org.springframework.roo.metadata.DefaultMetadataService.getInternal(DefaultMetadataService.java:136)	at org.springframework.roo.metadata.DefaultMetadataService.get(DefaultMetadataService.java:81)	at org.springframework.roo.addon.web.mvc.jsp.JspMetadataListener.notify(JspMetadataListener.java:352)	at org.springframework.roo.metadata.DefaultMetadataService.notify(DefaultMetadataService.java:199)	at org.springframework.roo.metadata.internal.DefaultMetadataDependencyRegistry.notifyDownstream(DefaultMetadataDependencyRegistry.java:262)	at org.springframework.roo.metadata.AbstractHashCodeTrackingMetadataNotifier.notifyIfRequired(AbstractHashCodeTrackingMetadataNotifier.java:52)	at org.springframework.roo.classpath.itd.AbstractItdMetadataProvider.get(AbstractItdMetadataProvider.java:313)	at org.springframework.roo.metadata.DefaultMetadataService.getInternal(DefaultMetadataService.java:136)	at org.springframework.roo.metadata.DefaultMetadataService.get(DefaultMetadataService.java:81)	at org.springframework.roo.classpath.itd.AbstractItdMetadataProvider.notify(AbstractItdMetadataProvider.java:143)	at org.springframework.roo.metadata.DefaultMetadataService.notify(DefaultMetadataService.java:199)	at org.springframework.roo.metadata.internal.DefaultMetadataDependencyRegistry.notifyDownstream(DefaultMetadataDependencyRegistry.java:262)	at org.springframework.roo.classpath.javaparser.JavaParserMetadataProvider.onFileEvent(JavaParserMetadataProvider.java:141)	at org.springframework.roo.file.monitor.polling.PollingFileMonitorService.publish(PollingFileMonitorService.java:344)	at org.springframework.roo.file.monitor.polling.PollingFileMonitorService.scanNotified(PollingFileMonitorService.java:217)	at org.springframework.roo.process.manager.internal.DefaultProcessManager.doTransactionally(DefaultProcessManager.java:187)	at org.springframework.roo.process.manager.internal.DefaultProcessManager.execute(DefaultProcessManager.java:141)	at org.springframework.roo.process.manager.ProcessManagerHostedExecutionStrategy.execute(ProcessManagerHostedExecutionStrategy.java:47)	at org.springframework.roo.shell.AbstractShell.executeCommand(AbstractShell.java:165)	at org.springframework.roo.shell.jline.JLineShell.promptLoop(JLineShell.java:358)	at org.springframework.roo.shell.jline.JLineShell.run(JLineShell.java:132)	at java.lang.Thread.run(Thread.java:619)