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java.lang.NullPointerException: 	at com.github.dandelion.datatables.core.configuration.Configuration.applyConfiguration(Configuration.java:283)	at com.github.dandelion.datatables.jsp.tag.TableTag.doStartTag(TableTag.java:102)	at org.gvnix.datatables.tags.RooTableTag.doStartTag(RooTableTag.java:133)	at org.apache.jsp.tag.web.datatables.table_tagx.doTag(table_tagx.java:1399)	at org.apache.jsp.WEB_002dINF.views.appcompassessments.list_jspx._jspx_meth_table_005ftable_005f0(list_jspx.java:227)	at org.apache.jsp.WEB_002dINF.views.appcompassessments.list_jspx.access$1(list_jspx.java:205)	at org.apache.jsp.WEB_002dINF.views.appcompassessments.list_jspx$Helper.invoke0(list_jspx.java:517)	at org.apache.jsp.WEB_002dINF.views.appcompassessments.list_jspx$Helper.invoke(list_jspx.java:562)	at org.apache.jsp.tag.web.datatables.list_tagx$Helper.invoke0(list_tagx.java:1139)	at org.apache.jsp.tag.web.datatables.list_tagx$Helper.invoke(list_tagx.java:1157)	at org.apache.jsp.tag.web.jquery.util.panel_tagx._jspx_meth_c_005fif_005f0(panel_tagx.java:220)	at org.apache.jsp.tag.web.jquery.util.panel_tagx.doTag(panel_tagx.java:176)	at org.apache.jsp.tag.web.datatables.list_tagx._jspx_meth_util_005fpanel_005f0(list_tagx.java:484)	at org.apache.jsp.tag.web.datatables.list_tagx._jspx_meth_c_005fif_005f0(list_tagx.java:302)	at org.apache.jsp.tag.web.datatables.list_tagx.doTag(list_tagx.java:266)	at org.apache.jsp.WEB_002dINF.views.appcompassessments.list_jspx._jspx_meth_page_005flist_005f0(list_jspx.java:173)	at org.apache.jsp.WEB_002dINF.views.appcompassessments.list_jspx._jspService(list_jspx.java:136)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:720)	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:584)	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:523)	at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:935)	at org.apache.jasper.runtime.PageContextImpl.doInclude(PageContextImpl.java:679)	at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:673)	at org.apache.tiles.jsp.context.JspTilesRequestContext.include(JspTilesRequestContext.java:103)	at org.apache.tiles.jsp.context.JspTilesRequestContext.dispatch(JspTilesRequestContext.java:96)	at org.apache.tiles.renderer.impl.TemplateAttributeRenderer.write(TemplateAttributeRenderer.java:44)	at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106)	at org.apache.tiles.renderer.impl.ChainedDelegateAttributeRenderer.write(ChainedDelegateAttributeRenderer.java:76)	at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106)	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:670)	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:336)	at org.apache.tiles.template.InsertAttributeModel.renderAttribute(InsertAttributeModel.java:210)	at org.apache.tiles.template.InsertAttributeModel.end(InsertAttributeModel.java:126)	at org.apache.tiles.jsp.taglib.InsertAttributeTag.doTag(InsertAttributeTag.java:311)	at org.apache.jsp.WEB_002dINF.layouts.default_jspx._jspx_meth_tiles_005finsertAttribute_005f2(default_jspx.java:294)	at org.apache.jsp.WEB_002dINF.layouts.default_jspx._jspService(default_jspx.java:150)	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438)	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:720)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:466)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:391)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:318)	at org.apache.tiles.servlet.context.ServletTilesRequestContext.forward(ServletTilesRequestContext.java:241)	at org.apache.tiles.servlet.context.ServletTilesRequestContext.dispatch(ServletTilesRequestContext.java:222)	at org.apache.tiles.renderer.impl.TemplateAttributeRenderer.write(TemplateAttributeRenderer.java:44)	at org.apache.tiles.renderer.impl.AbstractBaseAttributeRenderer.render(AbstractBaseAttributeRenderer.java:106)	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:670)	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:690)	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:644)	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:627)	at org.apache.tiles.impl.BasicTilesContainer.render(BasicTilesContainer.java:321)	at org.springframework.web.servlet.view.tiles2.TilesView.renderMergedOutputModel(TilesView.java:124)	at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:264)	at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1201)	at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:986)	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:933)	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:851)	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953)	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:844)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at com.github.dandelion.datatables.core.web.filter.DatatablesFilter.doFilter(DatatablesFilter.java:73)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at com.github.dandelion.datatables.core.web.filter.DatatablesFilter.doFilter(DatatablesFilter.java:73)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)	at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)	at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:180)	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:670)	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)	at java.lang.Thread.run(Unknown Source)