我是 Avaya Orchestration 的新手。我创建了一个简单的流程，但我无法执行它。呼叫流程没有检测到错误，但是当在 tomcat 上运行应用程序时，我听到一声提示音，呼叫被挂起，错误如下。
Personal Voice Browser Version 7.2.1.5 Copyright (c) 2004-2018, Avaya
App Log: EVENT Id(2) Label() Msg(Error: error.badfetch.http.500 , Error fetching document http://localhost:8080/Test2/Start?call_classification=live_voice&sagecfhport=36988&sagecfhhost=DESKTOP-V8KBQ1P&session___sessionid=sess7528920&session___vpconverseondata=)
Playing text " Your application is having a problem. The event ", Language (en-us), Gender (Female)
Playing text "error.badfetch.http.500", Language (en-us), Gender (Female)
Playing text " was caught ", Language (en-us), Gender (Female)
Playing text " with message ", Language (en-us), Gender (Female)
Playing text "Error fetching document http://localhost:8080/Test2/Start?call_classification=live_voice&sagecfhport=36988&sagecfhhost=DESKTOP-V8KBQ1P&session___sessionid=sess7528920&session___vpconverseondata=", Language (en-us), Gender (Female)
Playing text " , Since no event handler was found, the application is exiting. ", Language (en-us), Gender (Female)
End of Dialog
执行后服务器日志显示以下错误：
java.lang.ClassNotFoundException: org.apache.commons.httpclient.protocol.ProtocolSocketFactory
我希望欢迎 TTS 消息能够运行。