Show me the code! – By Davanum Srinivas

March 12, 2009

Technotes about Axis2 and IBM Websphere co-existence

Filed under: websphere — Tags: , , — Davanum Srinivas @ 8:01 am

If you are deploying Axis2 in a WAR/EAR under Websphere 6.1 with Web services feature pack or Websphere 7.0, please read the following tech notes:

You can search for newer technotes here:

Exceptions like the following:
SRVE0026E: [Servlet Error]-[javax.servlet.UnavailableException: SRVE0201E:
Servlet [org.apache.axis2.transport.http.AxisServlet]: not a servlet class

java.lang.ClassCastException: incompatible with

SRVE0100E: Did not realize init()
exception thrown by servlet AxisServlet: java.lang.StackOverflowError



  1. This will answer some of the problem on Axis2 mailing list.

    Comment by Deepal — March 12, 2009 @ 10:39 pm

  2. As the technote says, the trick is to set the war classloader order to parent last, and not just the enterprise application classloader order. This is easy to screw up, so if you are on WebSphere 7 and you used the default name of axis2_war, be absolutely sure you navigate to

    Enterprise Applications > axis2_war > Manage Modules > axis2.war

    and NOT Enterprise Applications > axis2_war > Class loader

    Comment by Lee Surprenant — November 20, 2009 @ 1:32 am

    • I followed the article and changed the class loader policy to Parent last in “Manage Modules of my AXIS2 web application”. I am getting ClassCastException

      Caused by: java.lang.ClassCastException: org.apache.xerces.jaxp.validation.XMLSchemaFactory incompatible with javax.xml.validation.SchemaFactory
      at javax.xml.validation.SchemaFactory.newInstance(Unknown Source)

      What are the things that I need in Websphere 7.0 to get my Axis2 WebServices Web Application working? I deployed the war file into Websphere Application Server 7.0 Trial Version.

      Comment by Srini — February 18, 2010 @ 1:41 pm

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