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        1. Re: java.lang.IllegalArgumentException: UT010009 servlet does not implement javax.servlet.Servletctomc May 14, 2015 5:11 PM (in response to jboss234)D P wrote: Servlet.jar is in classpath. Servlet class is extending HttpServlet. remove server.jar from your deployment it is provided by server and as such is clashing with it. 
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        2. Re: java.lang.IllegalArgumentException: UT010009 servlet does not implement javax.servlet.Servletjboss234 May 14, 2015 5:18 PM (in response to ctomc)You mean remove it from WEB-INF/lib directory or from module.xml ? 
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        3. Re: java.lang.IllegalArgumentException: UT010009 servlet does not implement javax.servlet.Servletjboss234 May 14, 2015 9:01 PM (in response to jboss234)WEB-INF/lib doen't have servlet.jar file. I extracted EAR file and verified it. Anything else should I try ? Thanks 
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        4. Re: java.lang.IllegalArgumentException: UT010009 servlet does not implement javax.servlet.Servletjboss234 May 14, 2015 9:06 PM (in response to jboss234)Thanks for reply. I did add it to the EE subsystem global modules list in standalone.xml and looks like its started taking jar files. Now wildfly is throwing error java.lang.IllegalArgumentException: UT010009: Servlet xyz of type class xyzpkg.abcServletClass does not implement javax.servlet.Servlet. Servlet is extending HttpServlet, I am not understanding why it's throwing this error. Any thoughts ? 
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        5. Re: java.lang.IllegalArgumentException: UT010009 servlet does not implement javax.servlet.Servletsamajaypal2 Apr 3, 2019 9:20 AM (in response to jboss234)hi, i am getting same problem what u had earlier. did you get any Solution for this?????. 
 
     
    