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  • Problem using AbstractWizardFormController

    How to get rid of this error:

    10:29:19,375 ERROR DispatcherServlet:412 - Could not complete request
    javax.servlet.ServletException: Cannot expose session attribute 'com.ecm.web.controller.wizardtest.UserWizardContr oller.PAGE.user' because of an existing model object of the same name
    at org.springframework.web.servlet.view.AbstractTempl ateView.renderMergedOutputModel(AbstractTemplateVi ew.java:137)
    at org.springframework.web.servlet.view.AbstractView. render(AbstractView.java:250)
    at org.springframework.web.servlet.DispatcherServlet. render(DispatcherServlet.java:961)
    at org.springframework.web.servlet.DispatcherServlet. doDispatch(DispatcherServlet.java:738)
    at org.springframework.web.servlet.DispatcherServlet. doService(DispatcherServlet.java:658)
    at org.springframework.web.servlet.FrameworkServlet.p rocessRequest(FrameworkServlet.java:392)
    at org.springframework.web.servlet.FrameworkServlet.d oGet(FrameworkServlet.java:347)
    at javax.servlet.http.HttpServlet.service(HttpServlet .java:743)
    at javax.servlet.http.HttpServlet.service(HttpServlet .java:856)
    at com.evermind.server.http.ServletRequestDispatcher. invoke(ServletRequestDispatcher.java:719)
    at com.evermind.server.http.ServletRequestDispatcher. forwardInternal(ServletRequestDispatcher.java:376)
    at com.evermind.server.http.HttpRequestHandler.doProc essRequest(HttpRequestHandler.java:870)
    at com.evermind.server.http.HttpRequestHandler.proces sRequest(HttpRequestHandler.java:451)
    at com.evermind.server.http.HttpRequestHandler.serveO neRequest(HttpRequestHandler.java:218)
    at com.evermind.server.http.HttpRequestHandler.run(Ht tpRequestHandler.java:119)
    at com.evermind.server.http.HttpRequestHandler.run(Ht tpRequestHandler.java:112)
    at oracle.oc4j.network.ServerSocketReadHandler$SafeRu nnable.run(ServerSocketReadHandler.java:260)
    at oracle.oc4j.network.ServerSocketAcceptHandler.proc ClientSocket(ServerSocketAcceptHandler.java:230)
    at oracle.oc4j.network.ServerSocketAcceptHandler.acce ss$800(ServerSocketAcceptHandler.java:33)
    at oracle.oc4j.network.ServerSocketAcceptHandler$Acce ptHandlerHorse.run(ServerSocketAcceptHandler.java: 831)
    at com.evermind.util.ReleasableResourcePooledExecutor $MyWorker.run(ReleasableResourcePooledExecutor.jav a:303)
    at java.lang.Thread.run(Thread.java:595)
Working...
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