java.lang.LinkageError

[rameshm77]

Hi,
i am working on web services. when i am sending reuest i am getting below error.

jar files in classpath is:

xalan-2.7.0.jar
xbean-2.2.0.jar
xercesImpl-2.8.1.jar
XmlSchema-1.3.1.jar
xmlsec-1.3.0.jar
xml-apis-1.3.03.jar

java.lang.LinkageError: loader constraints violated when linking org/w3c/dom/Document class
at com..web.control.action.soapsender.SoapSenderActio n.process(SoapSenderAction.java:164)
at com.web.WSGControllerServlet.perform(WSGController Servlet.java:72)
at com.web.WSGControllerServlet.doPost(WSGControllerS ervlet.java:44)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:760)
at com.ui.servlet.AuthorisationBaseServlet.service(Au thorisationBaseServlet.java:86)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletI nvocationAction.run(ServletStubImpl.java:971)
at weblogic.servlet.internal.ServletStubImpl.invokeSe rvlet(ServletStubImpl.java:402)
at weblogic.servlet.internal.ServletStubImpl.invokeSe rvlet(ServletStubImpl.java:305)
at weblogic.servlet.internal.WebAppServletContext$Ser vletInvocationAction.run(WebAppServletContext.java :6350)
at weblogic.security.acl.internal.AuthenticatedSubjec t.doAs(AuthenticatedSubject.java:317)
at weblogic.security.service.SecurityManager.runAs(Se curityManager.java:118)
at weblogic.servlet.internal.WebAppServletContext.inv okeServlet(WebAppServletContext.java:3635)
at weblogic.servlet.internal.ServletRequestImpl.execu te(ServletRequestImpl.java:2585)
at weblogic.kernel.ExecuteThread.execute(ExecuteThrea d.java:197)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.ja va:170)

pls suggest me on this one.