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This bug was originally marked as duplicate of bug 186859, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE 7.2 Beta (Build 201205031832) VM: Java HotSpot(TM) Client VM, 23.7-b01, Java(TM) SE Runtime Environment, 1.7.0_15-b03 OS: Windows 8 User Comments: GUEST: we were connecting sql with netbeans GUEST: tengo insalado opensuse 12.2 y netbeans 6.9, y no me deja ingreasar a prestacions -> base de datos. Stacktrace: java.lang.IllegalArgumentException: Original Node from map {position=101, iconResource=org/netbeans/modules/db/resources/database.gif, name=Databases, original=null, displayName=Databases, instanceCreate=org.openide.nodes.LazyNode[name=null][Name=Databases, displayName=Databases]} is null at org.openide.nodes.LazyNode.switchToOriginal(LazyNode.java:85) at org.openide.nodes.LazyNode$SwitchChildren.addNotify(LazyNode.java:107) at org.openide.nodes.Children.callAddNotify(Children.java:575) at org.openide.nodes.EntrySupport$Default.getArray(EntrySupport.java:770) at org.openide.nodes.EntrySupport$Default.getNodes(EntrySupport.java:172) at org.openide.nodes.EntrySupport$Default.getNodes(EntrySupport.java:228)
Created attachment 138600 [details] stacktrace
it seems the original node instance set in layer xml is null -> reassigning to Databases for further evaluation
Closing this bug as WORKSFORME. The reporting version is old and was a beta. The node that caused this was the root node of database support (identified by displayName and icon and position). Currently the root node is registered by the SevicesTabNodeRegistration annotation.