Fail to import Default XE XAR in JBoss AS7

14:04:57,365 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/xwiki].[action]] (http://localhost:8080/xwiki/bin/import/XWiki/XWikiPreferences) Servlet.service() for servlet action threw exception: java.lang.IllegalStateException: More than the maximum number of request parameters (GET plus POST) for a single request ([512]) were detected. Any parameters beyond this limit have been ignored. To change this limit, set the maxParameterCount attribute on the Connector.
	at org.apache.tomcat.util.http.Parameters.addParameter(Parameters.java:199) [jbossweb-7.0.13.Final.jar:]
	at org.apache.tomcat.util.http.Parameters.processParameters(Parameters.java:383) [jbossweb-7.0.13.Final.jar:]
	at org.apache.tomcat.util.http.Parameters.processParameters(Parameters.java:229) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.connector.Request.parseParameters(Request.java:2874) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.connector.Request.getParameterValues(Request.java:1349) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.connector.RequestFacade.getParameterValues(RequestFacade.java:404) [jbossweb-7.0.13.Final.jar:]
	at javax.servlet.ServletRequestWrapper.getParameterValues(ServletRequestWrapper.java:207) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final]
	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter$SavedRequestWrapper.getParameterValues(SavedRequestRestorerFilter.java:146) [xwiki-platform-container-servlet-4.2-20120626.042628-99.jar:]
	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:88) [xwiki-platform-wysiwyg-server-4.2-SNAPSHOT.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.2-20120626.043306-99.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.2-20120626.042628-99.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.2-20120626.042628-99.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.13.Final.jar:]
	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:]
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.13.Final.jar:]
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671) [jbossweb-7.0.13.Final.jar:]
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:]
	at java.lang.Thread.run(Thread.java:680) [classes.jar:1.6.0_33]