Java 选择下拉列表时刷新数据表

Java 选择下拉列表时刷新数据表,java,jsf,primefaces,seam,Java,Jsf,Primefaces,Seam,我正在用seam开发JSf项目,我的版本是JSF1.2。我还在UI中使用Primefaces。我正在寻找dataTable的输出,它使用下拉id值提供的数据列表。它需要在更改下拉列表值的同时更改dataTable。我对JSF1.2的方式感到困惑,因为jsf2是用f:ajax处理这个问题的 有人能建议这方面的正确方法吗?我得到的数据表是空的。请参考下面我的代码 我的XHTML页面: <h:form class="input-list">

我正在用seam开发JSf项目,我的版本是JSF1.2。我还在UI中使用Primefaces。我正在寻找dataTable的输出,它使用下拉id值提供的数据列表。它需要在更改下拉列表值的同时更改dataTable。我对JSF1.2的方式感到困惑,因为jsf2是用f:ajax处理这个问题的

有人能建议这方面的正确方法吗?我得到的数据表是空的。请参考下面我的代码

我的XHTML页面:

                        <h:form class="input-list">
                            <h:selectOneMenu tabindex="1" id="yearId" value="#{transactionListAction.yearId}">
                                <f:selectItems value="#{yearListAction.yearTypeList}" var="year" itemLabel="#{year.year}" itemValue="#{year.yearId}" />
                                <p:ajax event="change" process="@this" partialSubmit="true" update="datatable" listener="#transactionListAction.yearTransactions}" />
                            </h:selectOneMenu>

                            <!-- {RowsPerPageDropdown}-->
                            <p:dataTable id="statementTable" emptyMessage="You dont have Statements in this financial year" value='#{transactionListAction.yearTransactions}' var="transaction" dynamic="false" width="99.9%" loadingMessage="List of Transaction being loaded">

您可以使用JSF1.2中的ajax以及primefaces提供的p:ajax来处理它

首先,从h中删除onChange=document.datsForm.submit:selectone菜单并添加 作为选择菜单的子组件

   <p:ajax event="change" process="@this" partialSubit="true" update="datatable"  
           listener="#transactionListAction.onYearChange}"/>  
在类中声明变量列表TransactionList,并将其绑定到datatable的值。您不应该在getter方法中执行任何操作,因为jsf框架多次调用getter和setter,这会导致对数据库的多次点击


希望这能有所帮助。

感谢您的回复。我修改了Srikanth提到的代码,我在这个jsf项目中使用Seam。dataTable值目前显示的数据很好,因为我正在调用此方法value=transactionListAction.yearTransactions,如果有任何错误,请更正。所以我在ajax的监听器中调用了同样的方法,因为我得到的输出没有问题。运行此操作时没有例外,但console在更改下拉列表值时显示以下错误报告@Srikanth,你能帮我看看我的流程中出了什么问题吗?首先,不要像我在回答中提到的那样在getter方法中进行任何数据库调用,因为getter会被jsf框架多次调用,所以如果涉及的数据量很大,那么系统会变得很慢,这是一种非常糟糕的做法。您的错误是无法读取value={userListAction.usersList}。它在您的xhtml中的具体位置。感谢您的指导,并为错误道歉,即使您在前面的回复中提出了建议。我删除了线路,然后再试一次,现在一切正常。但是在更改下拉列表时,datatable没有更改。控制台显示警告:未找到部分更新的组件datatable。xhtml显示datatable id为statementTable而非datatable。我想你已经修改了你的问题。只需将其从datatable更改为statementTable。您好@Srikanth,谢谢您的帮助。如我所料,它工作得很好。但它只有在我使用此页面操作之前的下拉列表时才可用。如果我只在当前页面中使用这个下拉列表,它就不起作用了。我还在primefaces灯箱中显示更新的数据表,为此我需要使用另一个表单。在灯箱中更改下拉列表时,我无法显示更新的tablerefreshed table。你能告诉我怎么做吗?
            16:06:52,625 WARN  [lifecycle] JSF1053: (Listener: org.primefaces.application.PostRestoreViewHandler.afterPhase(), Phase ID: RESTORE_VIEW 1,  View ID: /secure/userhome.xhtml) Exception thrown during phase-listener execution: javax.faces.FacesException: javax.el.ELException: /secure/userhome.xhtml @38,56 value="#{userListAction.usersList}": Error reading 'usersList' on type org.javassist.tmp.java.lang.Object_$$_javassist_seam_29
            16:06:52,625 WARN  [lifecycle] javax.faces.component.UIData.getValue(UIData.java:612)
            javax.faces.component.UIData.getDataModel(UIData.java:1124)
            javax.faces.component.UIData.setRowIndex(UIData.java:451)
            javax.faces.component.UIData.invokeOnComponent(UIData.java:881)
            javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:731)
            javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
            javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:731)
            javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
            javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:731)
            javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
            javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:731)
            javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
            javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:731)
            javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
            javax.faces.component.UIComponent.invokeOnComponent(UIComponent.java:731)
            javax.faces.component.UIComponentBase.invokeOnComponent(UIComponentBase.java:675)
            org.primefaces.application.PostRestoreViewHandler.buildPartialView(PostRestoreViewHandler.java:71)
            org.primefaces.application.PostRestoreViewHandler.afterPhase(PostRestoreViewHandler.java:47)
            com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:175)
            com.sun.faces.lifecycle.Phase.doPhase(Phase.java:114)
            com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:104)
            com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
            javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
            org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
            org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
            org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
            org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
            org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
            org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:374)
            org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
            org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
            org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
            org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
            org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
            org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
            org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
            org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
            org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
            org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
            org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
            org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
            org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
            org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
            org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
            org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
            org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
            org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
            org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
            org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
            org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
            org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
            org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
            org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
            org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
            org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
            org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
            org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
            org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
            org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
            org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
            org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
            org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
            org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
            java.lang.Thread.run(Thread.java:662)

            16:06:52,640 ERROR [SeamPhaseListener] swallowing exception
            java.lang.IllegalStateException: No active conversation context
                at org.jboss.seam.pageflow.Pageflow.instance(Pageflow.java:85)
                at org.jboss.seam.jsf.SeamNavigationHandler.handleNavigation(SeamNavigationHandler.java:38)
                at org.jboss.seam.navigation.Pages.handleOutcome(Pages.java:653)
                at org.jboss.seam.navigation.Page.preRender(Page.java:313)
                at org.jboss.seam.navigation.Pages.preRender(Pages.java:351)
                at org.jboss.seam.jsf.SeamPhaseListener.preRenderPage(SeamPhaseListener.java:560)
                at org.jboss.seam.jsf.SeamPhaseListener.beforeRenderResponse(SeamPhaseListener.java:471)
                at org.jboss.seam.jsf.SeamPhaseListener.beforeServletPhase(SeamPhaseListener.java:147)
                at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:117)
                at com.sun.faces.lifecycle.Phase.handleBeforePhase(Phase.java:214)
                at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:96)
                at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
                at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:374)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
                at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
                at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
                at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
                at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
                at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
                at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
                at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
                at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
                at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
                at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
                at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
                at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
                at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
                at java.lang.Thread.run(Thread.java:662)

            16:06:52,656 WARN  [Component] Cannot create Seam component, scope is not active: org.jboss.seam.core.conversation(CONVERSATION)
            16:06:52,656 ERROR [viewhandler] Error Rendering View[/secure/userhome.xhtml]
            java.lang.IllegalStateException: No active conversation context
                at org.jboss.seam.core.Conversation.instance(Conversation.java:122)
                at org.jboss.seam.ui.component.UIConversationId.getName(UIConversationId.java:44)
                at org.jboss.seam.ui.util.ViewUrlBuilder.addParameter(ViewUrlBuilder.java:42)
                at org.jboss.seam.ui.component.UISeamCommandBase.getUrl(UISeamCommandBase.java:87)
                at org.jboss.seam.ui.renderkit.LinkRendererBase.doEncodeBegin(LinkRendererBase.java:26)
                at org.jboss.seam.ui.util.cdk.RendererBase.encodeBegin(RendererBase.java:79)
                at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:813)
                at javax.faces.component.UIComponent.encodeAll(UIComponent.java:934)
                at javax.faces.component.UIComponent.encodeAll(UIComponent.java:942)
                at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592)
                at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:109)
                at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
                at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
                at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:374)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
                at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
                at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
                at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
                at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
                at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
                at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
                at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
                at java.lang.Thread.run(Thread.java:662)
            16:06:52,671 ERROR [lifecycle] JSF1054: (Phase ID: RENDER_RESPONSE 6, View ID: /secure/userhome.xhtml) Exception thrown during phase execution: javax.faces.event.PhaseEvent[source=com.sun.faces.lifecycle.LifecycleImpl@f1667e]
            16:06:52,671 WARN  [SeamPhaseListener] uncaught exception, passing to exception handler
            java.lang.IllegalStateException: No active conversation context
                at org.jboss.seam.core.Conversation.instance(Conversation.java:122)
                at org.jboss.seam.faces.FacesManager.prepareBackswitch(FacesManager.java:260)
                at org.jboss.seam.jsf.SeamPhaseListener.afterRenderResponse(SeamPhaseListener.java:503)
                at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:248)
                at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:195)
                at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:175)
                at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:114)
                at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
                at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:374)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
                at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
                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.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
                at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
                at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
                at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
                at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
                at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
                at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
                at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
                at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
                at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
                at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
                at java.lang.Thread.run(Thread.java:662)
            16:06:52,671 ERROR [SeamPhaseListener] swallowing exception
            java.lang.IllegalStateException: No active conversation context
                at org.jboss.seam.core.Conversation.instance(Conversation.java:122)
                at org.jboss.seam.faces.FacesManager.prepareBackswitch(FacesManager.java:260)
                at org.jboss.seam.jsf.SeamPhaseListener.afterRenderResponse(SeamPhaseListener.java:503)
                at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:248)
                at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:195)
                at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:175)
                at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:114)
                at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
                at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:374)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
                at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
                at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
                at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
                at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
                at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
                at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
                at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:432)
                at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
                at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
                at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
                at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
                at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
                at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
                at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
                at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
                at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
                at java.lang.Thread.run(Thread.java:662)
   <p:ajax event="change" process="@this" partialSubit="true" update="datatable"  
           listener="#transactionListAction.onYearChange}"/>  
         public void onYearChange()   {
            transActionsList = transactionService.getByYearId(yearId); 
         }