Getting the Application Server error: java.lang.ClassNotFoundException: com.wily.introscope.api.weblogic.IntroscopeStartupClass

Document ID : KB000017934
Last Modified Date : 14/02/2018
Show Technical Document Details

Description:

What is causing the error below in the WebLogic server log on starting Weblogic/APM Agent?


 Failed to invoke startup class "Introscope Startup Class", java.lang.ClassNotFoundException: com.wily.introscope.api.weblogic.IntroscopeStartupClass 	
 java.lang.ClassNotFoundException: com.wily.introscope.api.weblogic.IntroscopeStartupClass 	
 at java.net.URLClassLoader$1.run(URLClassLoader.java:200) 	
 at java.security.AccessController.doPrivileged(Native Method) 	
 at java.net.URLClassLoader.findClass(URLClassLoader.java:188)

Solution:

This error indicates that the WebAppSupport.jar file has been configured incorrectly and cannot be located.

To resolve this problem, add the WebAppSupport.jar to the application startup Classpath.