Category Archives: httpcore

NoClassDefFoundError: org/apache/http/config/Lookup

Sometimes, you may see this error when you deploy your mule application in Mule Runtime and you might be wondering what could be the reason for the error. java.lang.NoClassDefFoundError: org/apache/http/config/Lookup at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) The reason is because org.apache.http.config.Lookup class is available in httpcore-4.3.jar and so you need to check if the runtime … Continue reading NoClassDefFoundError: org/apache/http/config/Lookup