User Import Export plugin issue with 3.2.2

Upgraded to 2.1.0 and it gives me blank screen or 0 bytes xml file. Tried to delete all and put 2.0.4 back. Same result. At work it works fine with Wifi 3.2.0 and UIE 2.0.4. As i already had problems with Wifi 3.2.0 - 3.2.2 upgrade this week, maybe it’'s Wifi issue. And my self-signed certs was gone after updating 3.2.1 to 3.2.2 (overwritten zip version).

error.log

at org.jivesoftware.wildfire.roster.RosterItemProvider.getItems(RosterItemProvider .java:277)

at org.jivesoftware.wildfire.roster.Roster.(Roster.java:95)

at org.jivesoftware.wildfire.roster.RosterManager.getRoster(RosterManager.java:94)

at org.jivesoftware.wildfire.user.User.getRoster(User.java:289)

at org.jivesoftware.wildfire.plugin.ImportExportPlugin.exportUsers(ImportExportPlu gin.java:145)

at org.jivesoftware.wildfire.plugin.ImportExportPlugin.exportUsersToFile(ImportExp ortPlugin.java:77)

at org.jivesoftware.wildfire.plugin.userImportExport.export_002dfile_jsp._jspServi ce(export_002dfile_jsp.java:50)

at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

at org.jivesoftware.wildfire.container.PluginServlet.handleJSP(PluginServlet.java: 234)

at org.jivesoftware.wildfire.container.PluginServlet.service(PluginServlet.java:92 )

at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:491)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1074)

at org.jivesoftware.admin.PluginFilter.doFilter(PluginFilter.java:69)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1065)

at org.jivesoftware.admin.AuthCheckFilter.doFilter(AuthCheckFilter.java:98)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1065)

at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:11 8)

at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1065)

at org.jivesoftware.util.LocaleFilter.doFilter(LocaleFilter.java:65)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1065)

at org.jivesoftware.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingF ilter.java:41)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1065)

at org.jivesoftware.admin.PluginFilter.doFilter(PluginFilter.java:69)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1065)

at org.jivesoftware.admin.AuthCheckFilter.doFilter(AuthCheckFilter.java:98)

at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1065)

at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:365)

at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:185)

at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)

at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:689)

at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:391)

at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollect ion.java:146)

at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)

at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)

at org.mortbay.jetty.Server.handle(Server.java:285)

at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:457)

at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.j ava:751)

at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:500)

at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:209)

at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:357)

at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:329)

at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:475)

Caused by: org.jivesoftware.stringprep.IDNAException: Contains non-LDH characters.

at org.jivesoftware.stringprep.IDNA.toASCII(IDNA.java:106)

at org.jivesoftware.stringprep.IDNA.toASCII(IDNA.java:53)

at org.xmpp.packet.JID.init(JID.java:355)

… 46 more

Have upgraded 3.2.0 to 3.2.2 on a new machine and now it works fine with older and latest plugin.