java.lang.NullPointerException: null
 at com.aplana.timesheet.controller.UpdateController$1.apply(UpdateController.java:130) ~[classes/:na]
 at com.aplana.timesheet.controller.UpdateController$1.apply(UpdateController.java:127) ~[classes/:na]
 at com.google.common.collect.Iterators$7.computeNext(Iterators.java:702) ~[guava-14.0-rc2.jar:na]
 at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) ~[guava-14.0-rc2.jar:na]
 at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) ~[guava-14.0-rc2.jar:na]
 at com.aplana.timesheet.controller.UpdateController.updateObjectSids(UpdateController.java:135) ~[classes/:na]
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.6.0_37]
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) ~[na:1.6.0_37]
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_37]
 at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_37]
 at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213) ~[spring-web-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126) ~[spring-web-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96) ~[spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617) ~[spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578) ~[spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80) ~[spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923) [spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852) [spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882) [spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778) [spring-webmvc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [javax.servlet-2.5.0.v201103041518.jar:na]
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [javax.servlet-2.5.0.v201103041518.jar:na]
 at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:565) [jetty-servlet-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1360) [jetty-servlet-7.6.2.v20120308.jar:7.6.2.v20120308]
 at com.cj.xss.XSSFilter.doFilter(Unknown Source) [xssflt.jar:na]
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331) [jetty-servlet-7.6.2.v20120308.jar:7.6.2.v20120308]
 at com.opensymphony.sitemesh.webapp.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129) [sitemesh-2.4.2.jar:na]
 at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:77) [sitemesh-2.4.2.jar:na]
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331) [jetty-servlet-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:101) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173) [spring-security-web-3.1.0.RELEASE.jar:3.1.0.RELEASE]
 at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) [spring-web-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259) [spring-web-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331) [jetty-servlet-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:147) [spring-orm-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) [spring-web-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331) [jetty-servlet-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) [spring-web-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) [spring-web-3.1.1.RELEASE.jar:3.1.1.RELEASE]
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331) [jetty-servlet-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:477) [jetty-servlet-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524) [jetty-security-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1031) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:186) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:965) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:250) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.Server.handle(Server.java:349) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:452) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:884) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:938) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:634) [jetty-http-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:230) [jetty-http-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:77) [jetty-server-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:609) [jetty-io-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:45) [jetty-io-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:599) [jetty-util-7.6.2.v20120308.jar:7.6.2.v20120308]
 at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:534) [jetty-util-7.6.2.v20120308.jar:7.6.2.v20120308]
 at java.lang.Thread.run(Thread.java:662) [na:1.6.0_37]