I get a strange Exception after I have repackaged and redeployed my
application to the server (which runs on Linux Ubuntu). The applications is
working perfectly on my local machine using WTP in Eclipse.

This the execption I get:
java.lang.IllegalArgumentException: TreeStructure of type
org.ajax4jsf.application.TreeStructureNode is not supported.
        at
org.apache.myfaces.application.TreeStructureManager.restoreTreeStructure(TreeStructureManager.java:106)
        at
org.apache.myfaces.application.jsp.JspStateManagerImpl.restoreView(JspStateManagerImpl.java:356)
        at
org.apache.myfaces.application.jsp.JspViewHandlerImpl.restoreView(JspViewHandlerImpl.java:515)
        at
org.apache.myfaces.lifecycle.RestoreViewExecutor.execute(RestoreViewExecutor.java:85)
        at
org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:103)
        at
org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:76)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:151)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at
org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at
com.antavis.groupware.hibernate.HibernateFilter.doFilter(HibernateFilter.java:49)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
        at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
        at
org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:364)
        at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:491)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at 
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:619)


What could be the root cause for this exception. It must have something to
do with the latest changes. Thank you very much for any help.

Best regards
Alan


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