2015/12/16 17:45:31 ERROR - jmeter.testelement.property.AbstractProperty: Couldn't clone collection java.lang.ClassCastException: org.apache.jmeter.assertions.SubstitutionElement cannot be cast to org.apache.jmeter.testelement.property.JMeterProperty at org.apache.jmeter.testelement.property.PropertyIteratorImpl.next(PropertyIteratorImpl.java:41) at org.apache.jmeter.testelement.property.CollectionProperty.cloneCollection(CollectionProperty.java:149) at org.apache.jmeter.testelement.property.CollectionProperty.clone(CollectionProperty.java:139) at org.apache.jmeter.testelement.property.CollectionProperty.clone(CollectionProperty.java:27) at org.apache.jmeter.testelement.AbstractTestElement.clone(AbstractTestElement.java:78) at org.apache.jmeter.gui.action.CheckDirty.addNode(CheckDirty.java:162) at org.apache.jorphan.collections.HashTree.traverseInto(HashTree.java:998) at org.apache.jorphan.collections.HashTree.traverse(HashTree.java:980) at org.apache.jmeter.gui.action.CheckDirty.doAction(CheckDirty.java:87) at org.apache.jmeter.gui.action.ActionRouter.performAction(ActionRouter.java:81) at org.apache.jmeter.gui.action.ActionRouter.access$000(ActionRouter.java:40) at org.apache.jmeter.gui.action.ActionRouter$1.run(ActionRouter.java:63) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:745) at java.awt.EventQueue.access$300(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:706) at java.awt.EventQueue$3.run(EventQueue.java:704) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77) at java.awt.EventQueue.dispatchEvent(EventQueue.java:715) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91) 2015/12/16 17:45:31 ERROR - jmeter.gui.action.ActionRouter: Error processing org.apache.jmeter.gui.action.CheckDirty@5da1c251 java.lang.ClassCastException: org.apache.jmeter.assertions.SubstitutionElement cannot be cast to org.apache.jmeter.testelement.property.JMeterProperty at org.apache.jmeter.testelement.property.PropertyIteratorImpl.next(PropertyIteratorImpl.java:41) at org.apache.jmeter.testelement.property.MultiProperty.setRunningVersion(MultiProperty.java:66) at org.apache.jmeter.testelement.property.CollectionProperty.setRunningVersion(CollectionProperty.java:212) at org.apache.jmeter.testelement.AbstractTestElement.setRunningVersion(AbstractTestElement.java:487) at org.apache.jmeter.testelement.AbstractTestElement.clone(AbstractTestElement.java:80) at org.apache.jmeter.gui.action.CheckDirty.addNode(CheckDirty.java:162) at org.apache.jorphan.collections.HashTree.traverseInto(HashTree.java:998) at org.apache.jorphan.collections.HashTree.traverse(HashTree.java:980) at org.apache.jmeter.gui.action.CheckDirty.doAction(CheckDirty.java:87) at org.apache.jmeter.gui.action.ActionRouter.performAction(ActionRouter.java:81) at org.apache.jmeter.gui.action.ActionRouter.access$000(ActionRouter.java:40) at org.apache.jmeter.gui.action.ActionRouter$1.run(ActionRouter.java:63) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:745) at java.awt.EventQueue.access$300(EventQueue.java:103) at java.awt.EventQueue$3.run(EventQueue.java:706) at java.awt.EventQueue$3.run(EventQueue.java:704) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77) at java.awt.EventQueue.dispatchEvent(EventQueue.java:715) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)