java.lang.NoClassDefFoundError：無法初始化類org.apache.jmeter.gui.util.MenuFactory

Question

當我打開apache-jmeter-3.1並右鍵單擊測試計劃按鈕，它變成沒有響應並拋出在jmeter.log中的錯誤列表如下

2016/12/17 16:24:30 ERROR - jmeter.JMeter: Uncaught exception: java.lang.NoClassDefFoundError: Could not initialize class org.apache.jmeter.gui.util.MenuFactory 
at org.apache.jmeter.control.gui.TestPlanGui.createPopupMenu(TestPlanGui.java:93) 
at org.apache.jmeter.gui.tree.JMeterTreeNode.createPopupMenu(JMeterTreeNode.java:156) 
at org.apache.jmeter.gui.tree.JMeterTreeListener.displayPopUp(JMeterTreeListener.java:248) 
at org.apache.jmeter.gui.tree.JMeterTreeListener.mousePressed(JMeterTreeListener.java:193) 
at java.awt.AWTEventMulticaster.mousePressed(Unknown Source) 
at java.awt.Component.processMouseEvent(Unknown Source) 
at javax.swing.JComponent.processMouseEvent(Unknown Source) 
at java.awt.Component.processEvent(Unknown Source) 
at java.awt.Container.processEvent(Unknown Source) 
at java.awt.Component.dispatchEventImpl(Unknown Source) 
at java.awt.Container.dispatchEventImpl(Unknown Source) 
at java.awt.Component.dispatchEvent(Unknown Source) 
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) 
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) 
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) 
at java.awt.Container.dispatchEventImpl(Unknown Source) 
at java.awt.Window.dispatchEventImpl(Unknown Source) 
at java.awt.Component.dispatchEvent(Unknown Source) 
at java.awt.EventQueue.dispatchEventImpl(Unknown Source) 
at java.awt.EventQueue.access$500(Unknown Source) 
at java.awt.EventQueue$3.run(Unknown Source) 
at java.awt.EventQueue$3.run(Unknown Source) 
at java.security.AccessController.doPrivileged(Native Method) 
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) 
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) 
at java.awt.EventQueue$4.run(Unknown Source) 
at java.awt.EventQueue$4.run(Unknown Source) 
at java.security.AccessController.doPrivileged(Native Method) 
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source) 
at java.awt.EventQueue.dispatchEvent(Unknown Source) 
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) 
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) 
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) 
at java.awt.EventDispatchThread.pumpEvents(Unknown Source) 
at java.awt.EventDispatchThread.pumpEvents(Unknown Source) 
at java.awt.EventDispatchThread.run(Unknown Source) 

發生了什麼，我該如何解決它？謝謝 ！！！它困擾了我很長一段時間...

Answer 1

通常情況下，這種情況發生在一個Dependent jar不存在的情況下，或者如果存在具有不同實現的衝突jar。

檢查這個帖子 https://newspaint.wordpress.com/2013/08/21/jmeter-could-not-initialize-menufactory-class/