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

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via Stack Overflow by Oussama Zaghdoud
, 1 year ago
This exception has no message.
via Stack Overflow by user7294900
, 4 months ago
This exception has no message.
java.lang.NullPointerException:
at org.apache.jmeter.gui.tree.JMeterTreeModel.addComponent(JMeterTreeModel.java:154)
at org.apache.jmeter.gui.tree.JMeterTreeModel.addSubTree(JMeterTreeModel.java:129)
at org.apache.jmeter.gui.tree.JMeterTreeModel.addSubTree(JMeterTreeModel.java:129)
at org.apache.jmeter.gui.tree.JMeterTreeModel.addSubTree(JMeterTreeModel.java:121)
at org.apache.jmeter.gui.GuiPackage.addSubTree(GuiPackage.java:495)
at org.apache.jmeter.gui.action.Load.insertLoadedTree(Load.java:193)
at org.apache.jmeter.gui.action.Load.loadProjectFile(Load.java:131)
at org.apache.jmeter.gui.action.Load.loadProjectFile(Load.java:102)
at org.apache.jmeter.gui.action.Load.doAction(Load.java:89)
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:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

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