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  1. POProblem with substance look and feel
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    <p>I have downloaded the recent library by substance and i have downloaded the addons also for supporting SwingX components. I am still getting the following error when i run my application</p> <pre><code>UIDefaults.getUI() failed: no ComponentUI class for: org.jdesktop.swingx.JXTaskPaneContainer[,0,0,0x0,invalid,alignmentX=0.0,alignmentY=0.0,bord er=,flags=9,maximumSize=,minimumSize=,preferredSize=] java.lang.Error at javax.swing.UIDefaults.getUIError(UIDefaults.java:711) at javax.swing.MultiUIDefaults.getUIError(MultiUIDefaults.java:133) at javax.swing.UIDefaults.getUI(UIDefaults.java:741) at javax.swing.UIManager.getUI(UIManager.java:1017) at org.jdesktop.swingx.plaf.LookAndFeelAddons.getUI(LookAndFeelAddons.java:308) at org.jdesktop.swingx.JXTaskPaneContainer.updateUI(JXTaskPaneContainer.java:141) at javax.swing.JPanel.&lt;init&gt;(JPanel.java:69) at javax.swing.JPanel.&lt;init&gt;(JPanel.java:78) at org.jdesktop.swingx.JXPanel.&lt;init&gt;(JXPanel.java:133) at org.jdesktop.swingx.JXTaskPaneContainer.&lt;init&gt;(JXTaskPaneContainer.java:113) at operator.table_browser.initComponents(table_browser.java:48) at operator.table_browser.&lt;init&gt;(table_browser.java:33) at forms_helper.form_objects.&lt;clinit&gt;(form_objects.java:71) at Main$1.run(Main.java:53) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122) Exception in thread "AWT-EventQueue-0" java.lang.ExceptionInInitializerError at Main$1.run(Main.java:53) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122) Caused by: java.lang.NullPointerException at org.jdesktop.swingx.plaf.LookAndFeelAddons.getUI(LookAndFeelAddons.java:313) at org.jdesktop.swingx.JXTaskPaneContainer.updateUI(JXTaskPaneContainer.java:141) at javax.swing.JPanel.&lt;init&gt;(JPanel.java:69) at javax.swing.JPanel.&lt;init&gt;(JPanel.java:78) at org.jdesktop.swingx.JXPanel.&lt;init&gt;(JXPanel.java:133) at org.jdesktop.swingx.JXTaskPaneContainer.&lt;init&gt;(JXTaskPaneContainer.java:113) at operator.table_browser.initComponents(table_browser.java:48) at operator.table_browser.&lt;init&gt;(table_browser.java:33) at forms_helper.form_objects.&lt;clinit&gt;(form_objects.java:71) ... 9 more </code></pre> <p>Help me to solve this problem!!</p>
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