Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at nc.ui.bd.ref.AbstractRefTreeModel.constructParentSonModel(AbstractRefTreeModel.java:183)
at nc.ui.bd.ref.AbstractRefTreeModel.constructTreeModel(AbstractRefTreeModel.java:1210)
at nc.ui.bd.ref.AbstractRefTreeModel.getCompositeTreeModel(AbstractRefTreeModel.java:977)
at nc.ui.bd.ref.AbstractRefTreeModel.getTreeModel(AbstractRefTreeModel.java:282)
at nc.ui.bd.ref.RefTreeComponent.setTreeModel(RefTreeComponent.java:616)
at nc.ui.bd.ref.RefTreeComponent.setData(RefTreeComponent.java:263)
at nc.ui.bd.ref.AbstractRefDialog.initDataToRefDataComponent(AbstractRefDialog.java:1564)
at nc.ui.bd.ref.AbstractRefDialog.showModal(AbstractRefDialog.java:1340)
at nc.ui.bd.ref.UFRefManage.showModal(UFRefManage.java:454)
at nc.ui.pub.beans.UIRefPane.showModel(UIRefPane.java:3042)
at nc.ui.pub.beans.UIRefPane$4.run(UIRefPane.java:1378)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at nc.ui.bd.ref.AbstractRefTreeModel.constructParentSonModel(AbstractRefTreeModel.java:183)
at nc.ui.bd.ref.AbstractRefTreeModel.constructTreeModel(AbstractRefTreeModel.java:1210)
at nc.ui.bd.ref.AbstractRefTreeModel.getCompositeTreeModel(AbstractRefTreeModel.java:977)
at nc.ui.bd.ref.AbstractRefTreeModel.getTreeModel(AbstractRefTreeModel.java:282)
at nc.ui.bd.ref.RefTreeComponent.setTreeModel(RefTreeComponent.java:616)
at nc.ui.bd.ref.RefTreeComponent.setData(RefTreeComponent.java:263)
at nc.ui.bd.ref.AbstractRefDialog.initDataToRefDataComponent(AbstractRefDialog.java:1564)
at nc.ui.bd.ref.AbstractRefDialog.showModal(AbstractRefDialog.java:1340)
at nc.ui.bd.ref.UFRefManage.showModal(UFRefManage.java:454)
at nc.ui.pub.beans.UIRefPane.showModel(UIRefPane.java:3042)
at nc.ui.pub.beans.UIRefPane$4.run(UIRefPane.java:1378)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
找错：
第1步：把断点打到这里
第2步：检查这些内容是否有空的
第3步：根据查看的字段，和自己写的代码仔细比对，看属性在哪里有相同的地方，然后再查看