java.lang.NullPointerException

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    via hsqldb by dblimx
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    • java.lang.NullPointerException at org.hsqldb.util.DatabaseManager.refreshTree(Unknown Source) at org.hsqldb.util.DatabaseManager.actionPerformed(Unknown Source) at java.awt.MenuItem.processActionEvent(MenuItem.java:588) at java.awt.MenuItem.processEvent(MenuItem.java:548) at java.awt.MenuComponent.dispatchEventImpl(MenuComponent.java:285) at java.awt.MenuComponent.dispatchEvent(MenuComponent.java:273) at java.awt.EventQueue.dispatchEvent(EventQueue.java:447) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:190) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:144) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:130) at java.awt.EventDispatchThread.run(EventDispatchThread.java:98)
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