No appear plugin "Broadcast" on OPenFire

Hi Firends :

I installed OpenFire 3.7.1 and uploading plugin but no appear!!!

java.lang.NullPointerException

at java.lang.String.compareTo(Unknown Source)

at org.jivesoftware.openfire.update.UpdateManager.getNotInstalledPlugins(UpdateMan ager.java:340)

at org.jivesoftware.openfire.admin.available_002dplugins_jsp._jspService(available _002dplugins_jsp.java:85)

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

at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)

at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:530)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1216)

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.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1187)

at org.jivesoftware.util.LocaleFilter.doFilter(LocaleFilter.java:74)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1187)

at org.jivesoftware.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingF ilter.java:50)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1187)

at org.jivesoftware.admin.PluginFilter.doFilter(PluginFilter.java:78)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1187)

at org.jivesoftware.admin.AuthCheckFilter.doFilter(AuthCheckFilter.java:164)

at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.ja va:1187)

at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:425)

at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)

at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:494)

at org.eclipse.jetty.server.session.SessionHandler.handle(SessionHandler.java:182)

at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:93 3)

at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:362)

at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:867 )

at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)

at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandler Collection.java:245)

at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.jav a:126)

at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:113)

at org.eclipse.jetty.server.Server.handle(Server.java:334)

at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:559)

at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConne ction.java:992)

at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:541)

at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:203)

at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:406)

at org.eclipse.jetty.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:4 62)

at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:436)

at java.lang.Thread.run(Unknown Source)

Why 3.7.1? It’s very old and new version of plugin won’t work with it.