[javadoc] Generating Javadoc
  [javadoc] Javadoc execution
  [javadoc] Loading source file /home/mark/eclipse/workspace/jpui/src/EditNodeView.java...
  [javadoc] Loading source file /home/mark/eclipse/workspace/jpui/src/JPUI.java...
  [javadoc] Loading source file /home/mark/eclipse/workspace/jpui/src/MainView.java...
  [javadoc] Loading source file /home/mark/eclipse/workspace/jpui/src/PreferencesModel.java...
  [javadoc] Loading source file /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java...
  [javadoc] Loading source file /home/mark/eclipse/workspace/jpui/src/PreferencesNodeTable.java...
  [javadoc] Loading source file /home/mark/eclipse/workspace/jpui/src/PreferencesTreeModel.java...
  [javadoc] Loading source file /home/mark/eclipse/workspace/jpui/src/Resources.java...
  [javadoc] Loading source file /home/mark/eclipse/workspace/jpui/src/RootPreferencesNode.java...
  [javadoc] Loading source file /home/mark/eclipse/workspace/jpui/src/TreeView.java...
  [javadoc] Constructing Javadoc information...
  [javadoc] Standard Doclet version 1.4.2_03
  [javadoc] Generating /home/mark/eclipse/workspace/jpui/target/docs/apidocs/constant-values.html...
  [javadoc] Copying file /home/mark/.maven/plugins/maven-javadoc-plugin-1.3/plugin-resources/stylesheet.css to file /home/mark/eclipse/workspace/jpui/target/docs/apidocs/stylesheet.css...
  [javadoc] Building tree for all the packages and classes...
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:150: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:172: warning - @return tag has no arguments.
  [javadoc] Building index for all the packages and classes...
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:215: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:224: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:233: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:242: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:251: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:260: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:269: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/TreeView.java:97: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/Resources.java:53: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:283: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:291: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:298: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:306: warning - @return tag has no arguments.
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:315: warning - @return tag has no arguments.
  [javadoc] Building index for all classes...
  [javadoc] /home/mark/eclipse/workspace/jpui/src/PreferencesNode.java:73: warning - Tag @see: reference not found: java.util.prefs.Preferences.parent
  [javadoc] /home/mark/eclipse/workspace/jpui/src/TreeView.java:59: warning - @param argument "oModel" is not a parameter name.
  [javadoc] Generating /home/mark/eclipse/workspace/jpui/target/docs/apidocs/help-doc.html...
  [javadoc] 18 warnings