java.util.

NoSuchElementException: No mapping for class sun.awt.AppContext

at

com.mercury.bcel.TransformerXmlFile$MappingLocator.setMapping(TransformerXmlFile.java:96)

at

com.mercury.bcel.TransformerFactory.createTransformer(TransformerFactory.java:56)

at

com.mercury.bcel.TransformerMainImpl.transform(TransformerMainImpl.java:33)

at

com.mercury.bcel.TransformerMain.transform(TransformerMain.java:35)

at com.mercury.javashared.transform.TransformersChain.transform(TransformersChain.java:35)

at com.mercury.javashared.transform.CommunicationThread.processTransformRequest(CommunicationThread.java:76)

at com.mercury.javashared.transform.CommunicationThread.run(CommunicationThread.java:42)

   通过这个com.mercury 可知这是安装了QTP的原因，会添加很多环境变量

  解决办法， 修改注册表：HKEY_LOCAL_MACHINE/SOFTWARE/Mercury Interactive/JavaAgent 项：SupportEnabled修改原值1为 0。