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java.lang.IllegalArgumentException: Identifier accessor method required at org.springframework.roo.support.util.Assert.notNull(Assert.java:112) at org.springframework.roo.addon.dod.DataOnDemandMetadata.<init>(DataOnDemandMetadata.java:75) at org.springframework.roo.addon.dod.DataOnDemandMetadataProvider.getMetadata(DataOnDemandMetadataProvider.java:129) at org.springframework.roo.classpath.itd.AbstractItdMetadataProvider.get(AbstractItdMetadataProvider.java:269) at org.springframework.roo.metadata.DefaultMetadataService.getInternal(DefaultMetadataService.java:148) at org.springframework.roo.metadata.DefaultMetadataService.get(DefaultMetadataService.java:82) at org.springframework.roo.classpath.itd.AbstractItdMetadataProvider.notify(AbstractItdMetadataProvider.java:146) at org.springframework.roo.metadata.DefaultMetadataService.notify(DefaultMetadataService.java:235) at org.springframework.roo.metadata.internal.DefaultMetadataDependencyRegistry.notifyDownstream(DefaultMetadataDependencyRegistry.java:214) at org.springframework.roo.classpath.javaparser.JavaParserMetadataProvider.onFileEvent(JavaParserMetadataProvider.java:131) at org.springframework.roo.file.monitor.polling.PollingFileMonitorService.publish(PollingFileMonitorService.java:330) at org.springframework.roo.file.monitor.polling.PollingFileMonitorService.scanNotified(PollingFileMonitorService.java:213) at org.springframework.roo.process.manager.internal.DefaultProcessManager.doTransactionally(DefaultProcessManager.java:189) at org.springframework.roo.process.manager.internal.DefaultProcessManager.execute(DefaultProcessManager.java:143) at org.springframework.roo.process.manager.ProcessManagerHostedExecutionStrategy.execute(ProcessManagerHostedExecutionStrategy.java:47) at org.springframework.roo.shell.AbstractShell.executeCommand(AbstractShell.java:181) 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:680)