java.lang.NullPointerException: This exception has no message.

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This exception has no message.
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java.lang.NullPointerException:
at java.util.Hashtable.get(Hashtable.java:334)
at java.util.Properties.getProperty(Properties.java:932)
at org.apache.jmeter.gui.util.JSyntaxTextArea.setLanguage(JSyntaxTextArea.java:96)
at org.apache.jmeter.testbeans.gui.TextAreaEditor.(TextAreaEditor.java:84)
at org.apache.jmeter.testbeans.gui.TypeEditor$4.getInstance(TypeEditor.java:31)
at org.apache.jmeter.testbeans.gui.GenericTestBeanCustomizer.(GenericTestBeanCustomizer.java:229)
at org.apache.jmeter.testbeans.gui.TestBeanGUI.init(TestBeanGUI.java:454)
at org.apache.jmeter.testbeans.gui.TestBeanGUI.configure(TestBeanGUI.java:325)
at org.apache.jmeter.gui.tree.JMeterTreeModel.addComponent(JMeterTreeModel.java:127)
at org.apache.jmeter.gui.tree.JMeterTreeModel.addSubTree(JMeterTreeModel.java:111)
at org.apache.jmeter.gui.tree.JMeterTreeModel.addSubTree(JMeterTreeModel.java:111)
at org.apache.jmeter.gui.tree.JMeterTreeModel.addSubTree(JMeterTreeModel.java:103)
at org.apache.jmeter.gui.GuiPackage.addSubTree(GuiPackage.java:467)
at org.apache.jmeter.gui.action.Load.insertLoadedTree(Load.java:198)
at org.apache.jmeter.gui.action.Load.loadProjectFile(Load.java:136)
at org.apache.jmeter.gui.action.Load.loadProjectFile(Load.java:105)
at org.apache.jmeter.gui.action.LoadRecentProject.doAction(LoadRecentProject.java:68)
at org.apache.jmeter.gui.action.ActionRouter.performAction(ActionRouter.java:81)
at org.apache.jmeter.gui.action.ActionRouter.access$000(ActionRouter.java:40)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:672)
at java.awt.EventQueue.access$400(EventQueue.java:81)
at java.awt.EventQueue$2.run(EventQueue.java:633)
at java.awt.EventQueue$2.run(EventQueue.java:631)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:642)
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)

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