ContributionsMost RecentMost LikesSolutionsRe: SoapUI 4/5 difference - Getting Error getting response;NULL [Solved] I was getting the message "error getting response; null". I added the files "wss4j-1.6.18.jar" and "xmlsec-1.5.8.jar" as shown below in SoapUI 5.4.0. so i solved my problem about that message. You can get the lib files "wss4j-1.6.18.jar" and "xmlsec-1.5.8.jar" from ReadyAPI 2.6.0 that you downloaded . Re: Error getting Response; null [Solved] I was getting the message "error getting response; null". I added the files "wss4j-1.6.18.jar" and "xmlsec-1.5.8.jar" as shown below in SoapUI 5.4.0. so i solved my problem about that message. You can get the lib files "wss4j-1.6.18.jar" and "xmlsec-1.5.8.jar" from ReadyAPI 2.6.0 that you downloaded .