2016-08-02 20 views
0

因此,我想用Blazemeter移動記錄器記錄移動本機應用程序。 錄製後我已經生成了.jmx文件。 但問題是這個jmx文件沒有被JMeter打開。 獲取以下錯誤消息。 org.apache.jmeter.protocol.http.sampler.httpsamplerproxy無法轉換爲org.apache.jorphan.collections.hashtree由Blazemeter Mobile Recorder生成的jmx的問題

請求你幫我解決這個問題。

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請提供完整的** jmeter.log **文件 –

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嗨德米特里,請分享您的電子郵件ID,將郵件發送給您的日誌文件。 – chetali

回答

0
Hi Dmitri, 

PFB contents from log file. 
2016/08/02 13:59:58 INFO - jmeter.util.JMeterUtils: Setting Locale to en_IN 
2016/08/02 13:59:58 INFO - jmeter.JMeter: Loading user properties from: C:\Users\chetali.saxena\Desktop\apache-jmeter-3.0\apache-jmeter-3.0\bin\user.properties 
2016/08/02 13:59:58 INFO - jmeter.JMeter: Loading system properties from: C:\Users\chetali.saxena\Desktop\apache-jmeter-3.0\apache-jmeter-3.0\bin\system.properties 
2016/08/02 13:59:58 INFO - jmeter.JMeter: Copyright (c) 1998-2016 The Apache Software Foundation 
2016/08/02 13:59:58 INFO - jmeter.JMeter: Version 3.0 r1743807 
2016/08/02 13:59:58 INFO - jmeter.JMeter: java.version=1.8.0_92 
2016/08/02 13:59:58 INFO - jmeter.JMeter: java.vm.name=Java HotSpot(TM) 64-Bit Server VM 
2016/08/02 13:59:58 INFO - jmeter.JMeter: os.name=Windows 10 
2016/08/02 13:59:58 INFO - jmeter.JMeter: os.arch=amd64 
2016/08/02 13:59:58 INFO - jmeter.JMeter: os.version=10.0 
2016/08/02 13:59:58 INFO - jmeter.JMeter: file.encoding=Cp1252 
2016/08/02 13:59:58 INFO - jmeter.JMeter: Max memory  =523763712 
2016/08/02 13:59:58 INFO - jmeter.JMeter: Available Processors =4 
2016/08/02 13:59:58 INFO - jmeter.JMeter: Default Locale=English (India) 
2016/08/02 13:59:58 INFO - jmeter.JMeter: JMeter Locale=English (India) 
2016/08/02 13:59:58 INFO - jmeter.JMeter: JMeterHome=C:\Users\chetali.saxena\Desktop\apache-jmeter-3.0\apache-jmeter-3.0 
2016/08/02 13:59:58 INFO - jmeter.JMeter: user.dir =C:\Users\chetali.saxena\Desktop\apache-jmeter-3.0\apache-jmeter-3.0\bin 
2016/08/02 13:59:58 INFO - jmeter.JMeter: PWD  =C:\Users\chetali.saxena\Desktop\apache-jmeter-3.0\apache-jmeter-3.0\bin 
2016/08/02 13:59:58 INFO - jmeter.JMeter: IP: 10.220.137.178 Name: IGTSGGN1IT2062 FullName: IGTSGGN1IT2062.interglobetechnologies.com 
2016/08/02 13:59:58 INFO - jmeter.gui.action.LookAndFeelCommand: Using look and feel: javax.swing.plaf.metal.MetalLookAndFeel [Metal, CrossPlatform] 
2016/08/02 13:59:58 INFO - jmeter.JMeter: Loaded icon properties from org/apache/jmeter/images/icon.properties 
2016/08/02 13:59:58 INFO - jmeter.engine.util.CompoundVariable: Note: Function class names must contain the string: '.functions.' 
2016/08/02 13:59:58 INFO - jmeter.engine.util.CompoundVariable: Note: Function class names must not contain the string: '.gui.' 
2016/08/02 14:00:00 WARN - org.jmeterplugins.repository.PluginManagerMenuItem: Failed to load plugin updates info java.net.SocketTimeoutException: connect timed out 
    at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) 
    at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) 
    at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) 
    at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source) 
    at java.net.AbstractPlainSocketImpl.connect(Unknown Source) 
    at java.net.PlainSocketImpl.connect(Unknown Source) 
    at java.net.SocksSocketImpl.connect(Unknown Source) 
    at java.net.Socket.connect(Unknown Source) 
    at sun.security.ssl.SSLSocketImpl.connect(Unknown Source) 
    at org.apache.http.conn.ssl.SSLSocketFactory.connectSocket(SSLSocketFactory.java:542) 
    at org.apache.http.conn.ssl.SSLSocketFactory.connectSocket(SSLSocketFactory.java:412) 
    at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:179) 
    at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:328) 
    at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:612) 
    at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:447) 
    at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:884) 
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) 
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107) 
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55) 
    at org.jmeterplugins.repository.PluginManager.getJSON(PluginManager.java:149) 
    at org.jmeterplugins.repository.PluginManager.load(PluginManager.java:78) 
    at org.jmeterplugins.repository.PluginManagerMenuItem.<init>(PluginManagerMenuItem.java:22) 
    at org.jmeterplugins.repository.PluginManagerMenuCreator.getMenuItemsAtLocation(PluginManagerMenuCreator.java:22) 
    at org.apache.jmeter.gui.util.JMeterMenuBar.addPluginsMenuItems(JMeterMenuBar.java:572) 
    at org.apache.jmeter.gui.util.JMeterMenuBar.makeOptionsMenu(JMeterMenuBar.java:349) 
    at org.apache.jmeter.gui.util.JMeterMenuBar.createMenuBar(JMeterMenuBar.java:268) 
    at org.apache.jmeter.gui.util.JMeterMenuBar.<init>(JMeterMenuBar.java:161) 
    at org.apache.jmeter.gui.MainFrame.init(MainFrame.java:493) 
    at org.apache.jmeter.gui.MainFrame.<init>(MainFrame.java:241) 
    at org.apache.jmeter.JMeter.startGui(JMeter.java:327) 
    at org.apache.jmeter.JMeter.start(JMeter.java:480) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
    at java.lang.reflect.Method.invoke(Unknown Source) 
    at org.apache.jmeter.NewDriver.main(NewDriver.java:259) 

2016/08/02 14:00:00 INFO - kg.apc.jmeter.JMeterPluginsUtils: JMeter-Plugins.org v.1.4.0 
2016/08/02 14:00:01 INFO - jmeter.util.BSFTestElement: Registering JMeter version of JavaScript engine as work-round for BSF-22 
2016/08/02 14:00:01 INFO - jmeter.protocol.http.sampler.HTTPSamplerBase: Parser for text/html is org.apache.jmeter.protocol.http.parser.LagartoBasedHtmlParser 
2016/08/02 14:00:01 INFO - jmeter.protocol.http.sampler.HTTPSamplerBase: Parser for application/xhtml+xml is org.apache.jmeter.protocol.http.parser.LagartoBasedHtmlParser 
2016/08/02 14:00:01 INFO - jmeter.protocol.http.sampler.HTTPSamplerBase: Parser for application/xml is org.apache.jmeter.protocol.http.parser.LagartoBasedHtmlParser 
2016/08/02 14:00:01 INFO - jmeter.protocol.http.sampler.HTTPSamplerBase: Parser for text/xml is org.apache.jmeter.protocol.http.parser.LagartoBasedHtmlParser 
2016/08/02 14:00:01 INFO - jmeter.protocol.http.sampler.HTTPSamplerBase: Parser for text/vnd.wap.wml is org.apache.jmeter.protocol.http.parser.RegexpHTMLParser 
2016/08/02 14:00:01 INFO - jmeter.protocol.http.sampler.HTTPSamplerBase: Parser for text/css is org.apache.jmeter.protocol.http.parser.CssParser 
2016/08/02 14:00:01 INFO - jorphan.exec.KeyToolUtils: keytool found at 'C:\Program Files\Java\jre1.8.0_92\bin\keytool' 
2016/08/02 14:00:01 INFO - jmeter.protocol.http.proxy.ProxyControl: HTTP(S) Test Script Recorder SSL Proxy will use keys that support embedded 3rd party resources in file C:\Users\chetali.saxena\Desktop\apache-jmeter-3.0\apache-jmeter-3.0\bin\proxyserver.jks 
2016/08/02 14:00:01 INFO - jmeter.gui.util.MenuFactory: Skipping org.apache.jmeter.protocol.mongodb.config.MongoSourceElement 
2016/08/02 14:00:01 INFO - jmeter.gui.util.MenuFactory: Skipping org.apache.jmeter.protocol.mongodb.sampler.MongoScriptSampler 
2016/08/02 14:00:01 INFO - jmeter.gui.util.MenuFactory: Skipping org.apache.jmeter.visualizers.DistributionGraphVisualizer 
2016/08/02 14:00:01 INFO - jmeter.samplers.SampleResult: Note: Sample TimeStamps are START times 
2016/08/02 14:00:01 INFO - jmeter.samplers.SampleResult: sampleresult.default.encoding is set to ISO-8859-1 
2016/08/02 14:00:01 INFO - jmeter.samplers.SampleResult: sampleresult.useNanoTime=true 
2016/08/02 14:00:01 INFO - jmeter.samplers.SampleResult: sampleresult.nanoThreadSleep=5000 
2016/08/02 14:00:01 INFO - jmeter.gui.util.MenuFactory: Skipping org.apache.jmeter.visualizers.SplineVisualizer 
2016/08/02 14:00:09 INFO - jmeter.services.FileServer: Default base='C:\Users\chetali.saxena\Desktop\apache-jmeter-3.0\apache-jmeter-3.0\bin' 
2016/08/02 14:00:09 INFO - jmeter.gui.action.Load: Loading file: C:\Users\chetali.saxena\Downloads\Recording_08_1,_2016,_6-32_am.jmx 
2016/08/02 14:00:09 INFO - jmeter.services.FileServer: Set new base='C:\Users\chetali.saxena\Downloads' 
2016/08/02 14:00:09 INFO - jmeter.save.SaveService: Testplan (JMX) version: 2.2. Testlog (JTL) version: 2.2 
2016/08/02 14:00:09 INFO - jmeter.save.SaveService: Using SaveService properties file encoding UTF-8 
2016/08/02 14:00:09 INFO - jmeter.save.SaveService: Using SaveService properties version 2.9 
2016/08/02 14:00:09 INFO - jmeter.save.SaveService: All converter versions present and correct 
2016/08/02 14:00:09 INFO - jmeter.save.SaveService: Loading file: C:\Users\chetali.saxena\Downloads\Recording_08_1,_2016,_6-32_am.jmx 
2016/08/02 14:00:09 INFO - jmeter.protocol.http.control.CacheManager: Will only cache the following methods: [GET] 
2016/08/02 14:00:09 INFO - jmeter.protocol.http.control.CookieManager: Settings: Delete null: true Check: true Allow variable: true Save: false Prefix: COOKIE_ 
2016/08/02 14:00:09 WARN - jmeter.gui.action.Load: Unexpected error java.lang.IllegalArgumentException: Problem loading XML from:'C:\Users\chetali.saxena\Downloads\Recording_08_1,_2016,_6-32_am.jmx', missing class com.thoughtworks.xstream.converters.ConversionException: org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
---- Debugging information ---- 
message    : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
cause-exception  : java.lang.ClassCastException 
cause-message  : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
class    : org.apache.jorphan.collections.ListedHashTree 
required-type  : org.apache.jorphan.collections.ListedHashTree 
converter-type  : org.apache.jmeter.save.converters.HashTreeConverter 
path    : /jmeterTestPlan/hashTree/hashTree/hashTree[5]/HTTPSamplerProxy[5] 
line number   : 462 
------------------------------- : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
---- Debugging information ---- 
message    : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
cause-exception  : java.lang.ClassCastException 
cause-message  : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
class    : org.apache.jorphan.collections.ListedHashTree 
required-type  : org.apache.jorphan.collections.ListedHashTree 
converter-type  : org.apache.jmeter.save.converters.HashTreeConverter 
path    : /jmeterTestPlan/hashTree/hashTree/hashTree[5]/HTTPSamplerProxy[5] 
line number   : 462 
------------------------------- 
message    : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
---- Debugging information ---- 
message    : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
cause-exception  : java.lang.ClassCastException 
cause-message  : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
class    : org.apache.jorphan.collections.ListedHashTree 
required-type  : org.apache.jorphan.collections.ListedHashTree 
converter-type  : org.apache.jmeter.save.converters.HashTreeConverter 
path    : /jmeterTestPlan/hashTree/hashTree/hashTree[5]/HTTPSamplerProxy[5] 
line number   : 462 
------------------------------- 
cause-exception  : com.thoughtworks.xstream.converters.ConversionException 
cause-message  : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
first-jmeter-class : org.apache.jmeter.save.converters.HashTreeConverter.unmarshal(HashTreeConverter.java:67) 
class    : org.apache.jmeter.save.ScriptWrapper 
required-type  : org.apache.jorphan.collections.ListedHashTree 
converter-type  : org.apache.jmeter.save.ScriptWrapperConverter 
path    : /jmeterTestPlan/hashTree/hashTree/hashTree[5]/HTTPSamplerProxy[5] 
line number   : 462 
version    : 3.0 r1743807 
------------------------------- 
    at org.apache.jmeter.save.SaveService.readTree(SaveService.java:539) 
    at org.apache.jmeter.save.SaveService.loadTree(SaveService.java:503) 
    at org.apache.jmeter.gui.action.Load.loadProjectFile(Load.java:130) 
    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:80) 
    at org.apache.jmeter.gui.action.ActionRouter.access$000(ActionRouter.java:40) 
    at org.apache.jmeter.gui.action.ActionRouter$1.run(ActionRouter.java:62) 
    at java.awt.event.InvocationEvent.dispatch(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.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) 
Caused by: com.thoughtworks.xstream.converters.ConversionException: org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
---- Debugging information ---- 
message    : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
cause-exception  : java.lang.ClassCastException 
cause-message  : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
class    : org.apache.jorphan.collections.ListedHashTree 
required-type  : org.apache.jorphan.collections.ListedHashTree 
converter-type  : org.apache.jmeter.save.converters.HashTreeConverter 
path    : /jmeterTestPlan/hashTree/hashTree/hashTree[5]/HTTPSamplerProxy[5] 
line number   : 462 
------------------------------- : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
---- Debugging information ---- 
message    : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
cause-exception  : java.lang.ClassCastException 
cause-message  : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
class    : org.apache.jorphan.collections.ListedHashTree 
required-type  : org.apache.jorphan.collections.ListedHashTree 
converter-type  : org.apache.jmeter.save.converters.HashTreeConverter 
path    : /jmeterTestPlan/hashTree/hashTree/hashTree[5]/HTTPSamplerProxy[5] 
line number   : 462 
------------------------------- 
message    : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
---- Debugging information ---- 
message    : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
cause-exception  : java.lang.ClassCastException 
cause-message  : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
class    : org.apache.jorphan.collections.ListedHashTree 
required-type  : org.apache.jorphan.collections.ListedHashTree 
converter-type  : org.apache.jmeter.save.converters.HashTreeConverter 
path    : /jmeterTestPlan/hashTree/hashTree/hashTree[5]/HTTPSamplerProxy[5] 
line number   : 462 
------------------------------- 
cause-exception  : com.thoughtworks.xstream.converters.ConversionException 
cause-message  : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
first-jmeter-class : org.apache.jmeter.save.converters.HashTreeConverter.unmarshal(HashTreeConverter.java:67) 
class    : org.apache.jmeter.save.ScriptWrapper 
required-type  : org.apache.jorphan.collections.ListedHashTree 
converter-type  : org.apache.jmeter.save.ScriptWrapperConverter 
path    : /jmeterTestPlan/hashTree/hashTree/hashTree[5]/HTTPSamplerProxy[5] 
line number   : 462 
version    : 3.0 r1743807 
------------------------------- 
    at org.apache.jmeter.save.ScriptWrapperConverter.createConversionException(ScriptWrapperConverter.java:103) 
    at org.apache.jmeter.save.ScriptWrapperConverter.unmarshal(ScriptWrapperConverter.java:97) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72) 
    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134) 
    at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32) 
    at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1206) 
    at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1190) 
    at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1061) 
    at org.apache.jmeter.save.SaveService.readTree(SaveService.java:524) 
    ... 21 more 
Caused by: com.thoughtworks.xstream.converters.ConversionException: org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
---- Debugging information ---- 
message    : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
cause-exception  : java.lang.ClassCastException 
cause-message  : org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
class    : org.apache.jorphan.collections.ListedHashTree 
required-type  : org.apache.jorphan.collections.ListedHashTree 
converter-type  : org.apache.jmeter.save.converters.HashTreeConverter 
path    : /jmeterTestPlan/hashTree/hashTree/hashTree[5]/HTTPSamplerProxy[5] 
line number   : 462 
------------------------------- 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:79) 
    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50) 
    at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:71) 
    at org.apache.jmeter.save.converters.HashTreeConverter.unmarshal(HashTreeConverter.java:67) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72) 
    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50) 
    at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:71) 
    at org.apache.jmeter.save.converters.HashTreeConverter.unmarshal(HashTreeConverter.java:67) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72) 
    at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50) 
    at org.apache.jmeter.save.ScriptWrapperConverter.unmarshal(ScriptWrapperConverter.java:95) 
    ... 31 more 
Caused by: java.lang.ClassCastException: org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy cannot be cast to org.apache.jorphan.collections.HashTree 
    at org.apache.jmeter.save.converters.HashTreeConverter.unmarshal(HashTreeConverter.java:73) 
    at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72) 
    ... 47 more 

enter code here 

Thanks, 
Chetali