java.lang.NullPointerException
   at org.apache.tools.ant.module.api.support.TargetLister$Script.replaceMacroParams(TargetLister.java:520)
   at org.apache.tools.ant.module.api.support.TargetLister$Script.interpretTasks(TargetLister.java:442)
   at org.apache.tools.ant.module.api.support.TargetLister$Script.<init>(TargetLister.java:341)
   at org.apache.tools.ant.module.api.support.TargetLister.getTargets(TargetLister.java:118)
   at org.apache.tools.ant.module.nodes.AntProjectChildren.refreshKeys(AntProjectChildren.java:105)
   at org.apache.tools.ant.module.nodes.AntProjectChildren.stateChanged(AntProjectChildren.java:139)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
   at org.apache.tools.ant.module.xml.AntProjectSupport$ChangeFirer.run(AntProjectSupport.java:396)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)