Hi Wilfried, On Thu, Jul 18, 2013 at 2:25 PM, <wilfried.si...@bosch-si.com> wrote: > Hi guys > > A short question: > when I try to add a new target by calling the statefullRepo.preregister > method, are there mandatory attributes? > Adding by setting only the ID results in a NPE when refreshing the VaadinUI >
No, you are correct. There are no other required attributes for targets. > java.lang.NullPointerException > at > org.apache.ace.webui.vaadin.component.BaseObjectPanel.update(BaseObjectPanel.java:549) > at > org.apache.ace.webui.vaadin.component.TargetsPanel.handleEvent(TargetsPanel.java:125) > at > org.apache.ace.webui.vaadin.component.BaseObjectPanel.handleEvent(BaseObjectPanel.java:251) > at > org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.sendEvent(EventHandlerProxy.java:412) > at > org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks.execute(SyncDeliverTasks.java:118) > at > org.apache.felix.eventadmin.impl.tasks.AsyncDeliverTasks$TaskExecuter.run(AsyncDeliverTasks.java:132) > at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown > Source) > at java.lang.Thread.run(Thread.java:722) > > Some hints are very welcome > The NPE is caused by 'asStatefulTargetObject' returning null because it can not (yet) be found in the repository. Not sure what causes this. Feel free to report a bug. Regards, Bram > Greetings > Wilfried
