java.lang.NullPointerException at org.snipsnap.snip.storage.SnipSerializer.deserialize(SnipSerializer.java:86) at org.snipsnap.snip.storage.FileSnipStorage.loadVersion(FileSnipStorage.java:243) at org.snipsnap.versioning.DefaultVersionManager.loadVersion(DefaultVersionManager.java:54) at org.snipsnap.versioning.DefaultVersionManager.diff(DefaultVersionManager.java:60) at sun.reflect.GeneratedMethodAccessor114.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:592) at org.codehaus.nanning.Mixin$InvocationImpl.invokeNext(Mixin.java:119) at org.codehaus.nanning.Mixin.invokeMethod(Mixin.java:194) at org.codehaus.nanning.AspectInstance.invoke(AspectInstance.java:88) at $Proxy3.diff(Unknown Source) at org.snipsnap.net.DiffServlet.doGet(DiffServlet.java:68) at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:356) at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:342) at org.snipsnap.net.filter.MultipartFilter.doFilter(MultipartFilter.java:59) at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334) at org.snipsnap.net.filter.InitFilter.doFilter(InitFilter.java:362) at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334) at org.snipsnap.net.filter.GZIPFilter.doFilter(GZIPFilter.java:40) at org.mortbay.jetty.servlet.WebApplicationHandler$Chain.doFilter(WebApplicationHandler.java:334) at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:286) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:567) at org.mortbay.http.HttpContext.handle(HttpContext.java:1808) at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:525) at org.mortbay.http.HttpContext.handle(HttpContext.java:1758) at org.mortbay.http.HttpServer.service(HttpServer.java:879) at org.mortbay.http.HttpConnection.service(HttpConnection.java:790) at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:952) at org.mortbay.http.HttpConnection.handle(HttpConnection.java:807) at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:197) at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289) at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:496)