#2 "No Project specified" error under Ant 1.7

[Marius Scurtescu]

Under Ant 1.7 the "No Project specified" error with stack trace:
at org.apache.tools.ant.types.DataType.getCheckedRef(DataType.java:226)
at org.apache.tools.ant.types.DataType.getCheckedRef(DataType.java:194)
at org.apache.tools.ant.types.DataType.getCheckedRef(DataType.java:182)
at org.apache.tools.ant.types.Path.isFilesystemOnly(Path.java:697)
at org.apache.tools.ant.types.resources.BaseResourceCollectionContainer.isFilesystemOnly(BaseResourceCollectionContainer.java:147)
at org.apache.tools.ant.types.Path.assertFilesystemOnly(Path.java:711)
at org.apache.tools.ant.types.Path.list(Path.java:356)
at org.apache.tools.ant.types.Path.addExisting(Path.java:327)
at org.apache.tools.ant.types.Path.addExisting(Path.java:315)
at org.apache.tools.ant.types.Path.concatSpecialPath(Path.java:552)
at org.apache.tools.ant.types.Path.concatSystemClasspath(Path.java:512)
at org.apache.tools.ant.taskdefs.Javadoc.execute(Javadoc.java:1688)
at net.sf.fikin.ant.DocletTask.execute(DocletTask.java:325)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
at org.apache.tools.ant.Main.runBuild(Main.java:698)
at org.apache.tools.ant.Main.startAnt(Main.java:199)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)