-
Type:
Bug
-
Status: Open (View Workflow)
-
Priority:
Major
-
Resolution: Unresolved
-
Affects Version/s: 0.17 Swallows
-
Fix Version/s: backlog
-
Labels:
When trying to drag and drop branches quickly sometimes NPE exception occurs. It happened not stable.
StackTrace
12.06.2012 21:12:27 org.zkoss.bind.impl.BinderImpl$CommandEventListener onEvent:1253 SEVERE: Error writing 'selectedNode' on type org.jtalks.poulpe.web.controller.section.ForumStructureVm Throwable occurred: org.zkoss.zel.ELException: Error writing 'selectedNode' on type org.jtalks.poulpe.web.controller.section.ForumStructureVm at org.zkoss.zel.BeanELResolver.setValue(BeanELResolver.java:142) at org.zkoss.zel.CompositeELResolver.setValue(CompositeELResolver.java:83) at org.zkoss.zel.CompositeELResolver.setValue(CompositeELResolver.java:83) at org.zkoss.xel.zel.XelELResolver.setValue(XelELResolver.java:114) at org.zkoss.bind.xel.zel.BindELResolver.setValue(BindELResolver.java:84) at org.zkoss.zel.impl.parser.AstValue.setValue(AstValue.java:215) at org.zkoss.zel.impl.ValueExpressionImpl.setValue(ValueExpressionImpl.java:256) at org.zkoss.xel.zel.ELXelExpression.setValue(ELXelExpression.java:50) at org.zkoss.bind.impl.BindEvaluatorXImpl.setValue(BindEvaluatorXImpl.java:50) at org.zkoss.bind.impl.SavePropertyBindingImpl.save(SavePropertyBindingImpl.java:127) at org.zkoss.bind.impl.PropertyBindingHandler.doSaveBinding(PropertyBindingHandler.java:149) at org.zkoss.bind.impl.PropertyBindingHandler.doSaveEvent(PropertyBindingHandler.java:204) at org.zkoss.bind.impl.BinderImpl.doSaveEvent(BinderImpl.java:1536) at org.zkoss.bind.impl.BinderImpl.access$1300(BinderImpl.java:102) at org.zkoss.bind.impl.BinderImpl$CommandEventListener.onEvent0(BinderImpl.java:1278) at org.zkoss.bind.impl.BinderImpl$CommandEventListener.onEvent(BinderImpl.java:1251) at org.zkoss.zk.ui.AbstractComponent.onEvent(AbstractComponent.java:2699) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2670) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2611) at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:136) at org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1699) at org.zkoss.zk.ui.impl.UiEngineImpl.process(UiEngineImpl.java:1484) at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1201) at org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:558) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:456) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:464) at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:368) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:100) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:78) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:35) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:177) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:187) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:79) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:169) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jtalks.poulpe.web.controller.LocaleProvidingFilter.doFilter(LocaleProvidingFilter.java:65) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:736) Caused by: java.lang.NullPointerException at org.jtalks.poulpe.web.controller.section.ForumStructureVm.setSelectedNode(ForumStructureVm.java:216) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:611) at org.zkoss.zel.BeanELResolver.setValue(BeanELResolver.java:137) ... 69 more 12.06.2012 21:12:27 org.zkoss.zk.ui.impl.UiEngineImpl handleError:1348 SEVERE: >>org.zkoss.zel.ELException: Error writing 'selectedNode' on type org.jtalks.poulpe.web.controller.section.ForumStructureVm >>java.lang.NullPointerException >> at org.jtalks.poulpe.web.controller.section.ForumStructureVm.setSelectedNode(ForumStructureVm.java:216) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60) >> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) >> at java.lang.reflect.Method.invoke(Method.java:611) >> at org.zkoss.zel.BeanELResolver.setValue(BeanELResolver.java:137) >> at org.zkoss.zel.CompositeELResolver.setValue(CompositeELResolver.java:83) >> at org.zkoss.zel.CompositeELResolver.setValue(CompositeELResolver.java:83) >> at org.zkoss.xel.zel.XelELResolver.setValue(XelELResolver.java:114) >> at org.zkoss.bind.xel.zel.BindELResolver.setValue(BindELResolver.java:84) >> at org.zkoss.zel.impl.parser.AstValue.setValue(AstValue.java:215) >> at org.zkoss.zel.impl.ValueExpressionImpl.setValue(ValueExpressionImpl.java:256) >> at org.zkoss.xel.zel.ELXelExpression.setValue(ELXelExpression.java:50) >> at org.zkoss.bind.impl.BindEvaluatorXImpl.setValue(BindEvaluatorXImpl.java:50) >> at org.zkoss.bind.impl.SavePropertyBindingImpl.save(SavePropertyBindingImpl.java:127) >> at org.zkoss.bind.impl.PropertyBindingHandler.doSaveBinding(PropertyBindingHandler.java:149) >> at org.zkoss.bind.impl.PropertyBindingHandler.doSaveEvent(PropertyBindingHandler.java:204) >> at org.zkoss.bind.impl.BinderImpl.doSaveEvent(BinderImpl.java:1536) >> at org.zkoss.bind.impl.BinderImpl.access$1300(BinderImpl.java:102) >> at org.zkoss.bind.impl.BinderImpl$CommandEventListener.onEvent0(BinderImpl.java:1278) >> at org.zkoss.bind.impl.BinderImpl$CommandEventListener.onEvent(BinderImpl.java:1251) >> at org.zkoss.zk.ui.AbstractComponent.onEvent(AbstractComponent.java:2699) >> at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2670) >> at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2611) >> at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:136) >> at org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1699) >> at org.zkoss.zk.ui.impl.UiEngineImpl.process(UiEngineImpl.java:1484) >> at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1201) >> at org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:558) >> at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:456) >> at org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:464) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) >> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) >> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:368) >> at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109) >> at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >> at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >> at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:100) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >> at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:78) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >> at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >> at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:35) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >> at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:177) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >> at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:187) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >> at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >> at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:79) >> at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) >> at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:169) >> at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237) >> at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167) >> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) >> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >> at org.jtalks.poulpe.web.controller.LocaleProvidingFilter.doFilter(LocaleProvidingFilter.java:65) >> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) >> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) >> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) >> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) >> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) >> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) >> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261) >> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) >> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581) >> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) >> at java.lang.Thread.run(Thread.java:736)