stack trace

23.11.10 14:34:54 - 10: org.apache.uima.tools.cvd.MainFrame.handleException(527): SCHWERWIEGEND: Initialization of annotator class "de.tudarmstadt.ukp.teaching.tutorial.lesson4.PosTagger" failed.  (Descriptor: file:/home/bin4ry/workspace/TUD/NLP/lesson4/desc/annotator/lesson4/PosTagger.xml)
org.apache.uima.resource.ResourceInitializationException: Initialization of annotator class "de.tudarmstadt.ukp.teaching.tutorial.lesson4.PosTagger" failed.  (Descriptor: file:/home/bin4ry/workspace/TUD/NLP/lesson4/desc/annotator/lesson4/PosTagger.xml)
    at org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.initializeAnalysisComponent(PrimitiveAnalysisEngine_impl.java:254)
    at org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.initialize(PrimitiveAnalysisEngine_impl.java:158)
    at org.apache.uima.impl.AnalysisEngineFactory_impl.produceResource(AnalysisEngineFactory_impl.java:94)
    at org.apache.uima.impl.CompositeResourceFactory_impl.produceResource(CompositeResourceFactory_impl.java:62)
    at org.apache.uima.UIMAFramework.produceResource(UIMAFramework.java:267)
    at org.apache.uima.UIMAFramework.produceResource(UIMAFramework.java:312)
    at org.apache.uima.UIMAFramework.produceAnalysisEngine(UIMAFramework.java:392)
    at org.apache.uima.tools.cvd.MainFrame.setupAE(MainFrame.java:1466)
    at org.apache.uima.tools.cvd.MainFrame.loadAEDescriptor(MainFrame.java:477)
    at org.apache.uima.tools.cvd.control.AnnotatorOpenEventHandler.actionPerformed(AnnotatorOpenEventHandler.java:52)
    at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2012)
    at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2335)
    at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:404)
    at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
    at javax.swing.AbstractButton.doClick(AbstractButton.java:374)
    at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:829)
    at javax.swing.plaf.basic.BasicMenuItemUI$Handler.menuDragMouseReleased(BasicMenuItemUI.java:939)
    at javax.swing.JMenuItem.fireMenuDragMouseReleased(JMenuItem.java:585)
    at javax.swing.JMenuItem.processMenuDragMouseEvent(JMenuItem.java:482)
    at javax.swing.JMenuItem.processMouseEvent(JMenuItem.java:428)
    at javax.swing.MenuSelectionManager.processMouseEvent(MenuSelectionManager.java:320)
    at javax.swing.plaf.basic.BasicPopupMenuUI$MouseGrabber.eventDispatched(BasicPopupMenuUI.java:860)
    at java.awt.Toolkit$SelectiveAWTEventListener.eventDispatched(Toolkit.java:2378)
    at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2270)
    at java.awt.Toolkit.notifyAWTEventListeners(Toolkit.java:2228)
    at java.awt.Component.dispatchEventImpl(Component.java:4432)
    at java.awt.Container.dispatchEventImpl(Container.java:2163)
    at java.awt.Component.dispatchEvent(Component.java:4362)
    at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4461)
    at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4125)
    at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4055)
    at java.awt.Container.dispatchEventImpl(Container.java:2149)
    at java.awt.Window.dispatchEventImpl(Window.java:2478)
    at java.awt.Component.dispatchEvent(Component.java:4362)
    at java.awt.EventQueue.dispatchEvent(EventQueue.java:604)
    at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
    at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
    at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
    at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
    at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
    at de.tudarmstadt.ukp.teaching.tutorial.lesson4.PosTagger.initialize(PosTagger.java:37)
    at org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.initializeAnalysisComponent(PrimitiveAnalysisEngine_impl.java:252)
    ... 40 more