- html - 出于某种原因,IE8 对我的 Sass 文件中继承的 html5 CSS 不友好?
- JMeter 在响应断言中使用 span 标签的问题
- html - 在 :hover and :active? 上具有不同效果的 CSS 动画
- html - 相对于居中的 html 内容固定的 CSS 重复背景?
我有一个 JSF 页面,通常显示我创建的 dataTable
,在某些情况下会显示两个这样的表:
<ui:define name="content">
<f:metadata>
<f:viewParam name="viewMode" value="#{backendBean.viewMode}"/>
<f:viewAction action="#{backendBean.init}" />
</f:metadata>
<h:form id="frmTables" styleClass="frmTablesStyle">
<customTableClass:customTable
viewModeName = "#{backendBean.viewMode.name()}"
data= "#{backendBean.dataAttribute}" />
<c:if test="#{backendBean.viewMode.name() == 'FOREIGN'}">
<arbeitsauftrag:arbeitsauftragUebersichtTabelle
viewModeName = "FOREIGN"
data= "#{backendBean.otherDataAttribute}" />
</c:if>
</h:form>
</ui:define>
这些表工作正常,但是,当我同时显示两个表并尝试对第一个表进行排序时,我得到了一个带有此堆栈跟踪的空指针异常:
Sep 01, 2021 9:53:43 AM com.sun.faces.context.PartialViewContextImpl processPartial
INFO: java.lang.NullPointerException
java.lang.NullPointerException
at org.primefaces.component.datatable.feature.SortFeature.decode(SortFeature.java:81)
at org.primefaces.component.datatable.DataTableRenderer.decode(DataTableRenderer.java:71)
at javax.faces.component.UIComponentBase.decode(UIComponentBase.java:832)
at org.primefaces.component.api.UIData.processDecodes(UIData.java:281)
at com.sun.faces.context.PartialViewContextImpl$PhaseAwareVisitCallback.visit(PartialViewContextImpl.java:573)
at com.sun.faces.component.visit.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:183)
at org.primefaces.component.api.UIData.visitTree(UIData.java:835)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UINamingContainer.visitTree(UINamingContainer.java:174)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIForm.visitTree(UIForm.java:371)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at com.sun.faces.context.PartialViewContextImpl.processComponents(PartialViewContextImpl.java:403)
at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:266)
at org.primefaces.context.PrimePartialViewContext.processPartial(PrimePartialViewContext.java:57)
at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:219)
at org.omnifaces.context.OmniPartialViewContext.processPartial(OmniPartialViewContext.java:143)
at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:927)
at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:650)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.FacesExceptionFilter.doFilter(FacesExceptionFilter.java:93)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:103)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.CacheControlFilter.doFilter(CacheControlFilter.java:238)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:237)
at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:209)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at at.akooe.filter.Log4jFilter.doFilter(Log4jFilter.java:36)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:123)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.GzipResponseFilter.doFilter(GzipResponseFilter.java:180)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:615)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:452)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1087)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2536)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2525)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
Sep 01, 2021 9:53:43 AM com.sun.faces.lifecycle.ApplyRequestValuesPhase execute
WARNING: java.lang.NullPointerException
javax.faces.FacesException: java.lang.NullPointerException
at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:273)
at org.primefaces.context.PrimePartialViewContext.processPartial(PrimePartialViewContext.java:57)
at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:219)
at org.omnifaces.context.OmniPartialViewContext.processPartial(OmniPartialViewContext.java:143)
at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:927)
at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:650)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.FacesExceptionFilter.doFilter(FacesExceptionFilter.java:93)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:103)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.CacheControlFilter.doFilter(CacheControlFilter.java:238)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:237)
at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:209)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at at.akooe.filter.Log4jFilter.doFilter(Log4jFilter.java:36)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:123)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.GzipResponseFilter.doFilter(GzipResponseFilter.java:180)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:615)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:452)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1087)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2536)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2525)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at org.primefaces.component.datatable.feature.SortFeature.decode(SortFeature.java:81)
at org.primefaces.component.datatable.DataTableRenderer.decode(DataTableRenderer.java:71)
at javax.faces.component.UIComponentBase.decode(UIComponentBase.java:832)
at org.primefaces.component.api.UIData.processDecodes(UIData.java:281)
at com.sun.faces.context.PartialViewContextImpl$PhaseAwareVisitCallback.visit(PartialViewContextImpl.java:573)
at com.sun.faces.component.visit.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:183)
at org.primefaces.component.api.UIData.visitTree(UIData.java:835)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UINamingContainer.visitTree(UINamingContainer.java:174)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIForm.visitTree(UIForm.java:371)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at com.sun.faces.context.PartialViewContextImpl.processComponents(PartialViewContextImpl.java:403)
at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:266)
... 55 more
Sep 01, 2021 9:53:43 AM org.omnifaces.exceptionhandler.FullAjaxExceptionHandler logException
SEVERE: FullAjaxExceptionHandler: An exception occurred during processing JSF ajax request. Error page '/error/error.xhtml' will be shown.
java.lang.NullPointerException
at org.primefaces.component.datatable.feature.SortFeature.decode(SortFeature.java:81)
at org.primefaces.component.datatable.DataTableRenderer.decode(DataTableRenderer.java:71)
at javax.faces.component.UIComponentBase.decode(UIComponentBase.java:832)
at org.primefaces.component.api.UIData.processDecodes(UIData.java:281)
at com.sun.faces.context.PartialViewContextImpl$PhaseAwareVisitCallback.visit(PartialViewContextImpl.java:573)
at com.sun.faces.component.visit.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:183)
at org.primefaces.component.api.UIData.visitTree(UIData.java:835)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UINamingContainer.visitTree(UINamingContainer.java:174)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIForm.visitTree(UIForm.java:371)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1700)
at com.sun.faces.context.PartialViewContextImpl.processComponents(PartialViewContextImpl.java:403)
at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:266)
at org.primefaces.context.PrimePartialViewContext.processPartial(PrimePartialViewContext.java:57)
at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:219)
at org.omnifaces.context.OmniPartialViewContext.processPartial(OmniPartialViewContext.java:143)
at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:927)
at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:650)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.FacesExceptionFilter.doFilter(FacesExceptionFilter.java:93)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:103)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.CacheControlFilter.doFilter(CacheControlFilter.java:238)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:237)
at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:209)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at at.akooe.filter.Log4jFilter.doFilter(Log4jFilter.java:36)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:123)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.omnifaces.filter.GzipResponseFilter.doFilter(GzipResponseFilter.java:180)
at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:615)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:452)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1087)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2536)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2525)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
这里是来自支持 bean 的相关代码:
@ManagedProperty(value = "#{entityRepository}")
@Getter @Setter private EntityRepository entityRepository;
@Getter @Setter private LazyDataModel<Data> dataAttribute;
@Getter @Setter private LazyDataModel<Data> otherDataAttribute;
public void init() {
data= new LazyDataModel<Data>() {
private static final long serialVersionUID = 1L;
@Override
public List<data> load(int first, int pageSize, String sortField, SortOrder sortOrder, Map<String, Object> filters) {
CustomFilter filterParameter = createFilter(filters);
setRowCount(entityRepository.getCount(filterParameter));
return entityRepository.getDataOverview(filterParameter, (first / pageSize) + 1, pageSize, sortField, sortOrder);
}
@Override
public Object getRowKey(Data data) {
return data.getId();
}
@Override
public data getRowData(String rowKey) {
return entityRepository.getDataById(Long.parseLong(rowKey));
}
};
if (viewMode == ViewMode.FOREIGN) {
otherDataAttribute = new LazyDataModel<Data>() {
private static final long serialVersionUID = 2L;
@Override
public List<data> load(int first, int pageSize, String sortField, SortOrder sortOrder, Map<String, Object> filters) {
CustomFilter filterParameter = createFilter(filters);
setRowCount(entityRepository.getCount(filterParameter));
return entityRepository.getDataOverview(filterParameter, (first / pageSize) + 1, pageSize, sortField, sortOrder);
}
@Override
public Object getRowKey(Data data) {
return data.getId();
}
@Override
public Data getRowData(String rowKey) {
return entityRepository.getArbeitsauftragById(Long.parseLong(rowKey));
}
};
}
}
public CustomFilter createFilter(Map<String, Object> filters) {
//...Create Filterobject
}
总是显示的第一个表排序失败,第二个表总是正常。此外,在抛出 nullpointerexception 之前,不会调用 load()
方法。这是怎么回事?
最佳答案
确保为每个表提供唯一的 id
和 widgetVar
,这样您就不会在为每个表运行的 javascript 之间发生冲突。
关于jsf - 使用两个 p :dataTables results in NullpointerException 在页面上排序,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/69010224/
关于strcat函数。 while (*p) p++; 和 while (*++p) ; 两者都有效,但是 while (*p++) ; 不起作用。我认为 first 和 th
" in HTML?(HTML中的““是什么
?)
下面例子中的第一行代码是什么。我看到一个YouTuber在写下面的代码,它显示了一个设计在csswar Challenges中。我也尝试了一下,它很管用。但我以前从未在任何HTML教程上看到过它,我在
vs.
是不间断空格,表示没有换行的空白处。 如果我用 我在两个段落之间有一个空格(更大的间隔)。如果我使用 我在两个段落之间只有一个新行(没有中断)。为什么? 最佳答案 在 HTML 中
这个问题已经有答案了: Why are these constructs using pre and post-increment undefined behavior? (14 个回答) 已关闭 9
我对编程还很陌生,只是想知道为什么这段代码: for ( ; *p; ++p) *p = tolower(*p); 当 p 指向一个字符串时,可以降低 c 中字符串的大小写吗? 最佳答案 一般来说,这
代码 int n = 25; int *p = &n; printf("%x\n %d\n %x\n", p, p[0], p[1]); 返回: \ 当然我永远不会这样做,但在 K&R 中声明
所以,我想创建一个简单的程序,返回有关连续素数的计算结果。首先,我创建一个包含所有这些素数的列表,然后尝试计算结果,但这给了我一个超出范围的索引。有人可以帮助我吗?我的程序: primes = []
这个问题在这里已经有了答案: With arrays, why is it the case that a[5] == 5[a]? (20 个答案) 关闭 9 年前。 我想知道 C/C++ 中以下四
我仍在努力理解 *p、&p 和 p 之间的区别。根据我的理解,* 可以被认为是“指向的值”,而 & 可以被认为是“地址”。换句话说,* 保存值,而 & 保存地址。如果这是真的,那么 *p 和 p 之间
你是吗? [xxxrecipientFirstNamexxx]
和你是吗? {recipientFirstName}
需要更换 你是吗? [xxxrecipientFirstNamexxx] 和 你是吗? {recipientFirstName} 。我尝试使用边界匹配器。但结果并不符合预期。我尝试使用下面的代码 "A
我想按 IsTop 属性升序排序对象,然后按 JobId 属性降序排序: query = query.OrderBy(p => p.IsTop).ThenOrderByDescending(p =
在我尝试使用 Apache POI 进行转换的 Excel 文件中,我有一个单元格的数值为 -3.97819466831428,自定义格式为“0.0 p.p.;(0.0 p.p.)”。因此,在 Exc
我想创建一个扩展方法,允许我调用 ToSerializableDictionary(p => p.ID)而不是 .ToDictionary(p => p.ID)在以下 LINQ 上下文中。虽然我不确定
在下面的 HTML 代码上运行此 jQuery 代码会返回不同的结果,我认为它们应该返回相同的值。 jQuery 代码: var counter = 0; $("p").each(function()
在下面的代码片段中,符号 *p 等同于 p[0],*(p + 1) 等同于p[1],依此类推。 int* p = new int[3] { 1, 2, 3}; cout << *p << ' ' <<
这个问题在这里已经有了答案: What will happen when I call a member function on a NULL object pointer? [duplicate]
这个问题在这里已经有了答案: 关闭 10 年前。 Possible Duplicate: Undefined Behavior and Sequence Points 按照标准中的定义,E1 +=
" in HTML?(在HTML中“
以下示例中的第一行代码是什么。我看到一个youtube用户写下面的代码,它显示在cssbattle挑战的设计。我也试过,它的作品。但我从来没有见过它在任何HTML教程之前,我在谷歌上搜索它,但它只显示
每当我收到来自 MS outlook 的电子邮件时,我都会收到此标记 & nbsp ; (没有空格)哪个显示为?在 <>. 当我将其更改为 ISO-8859-1 时,浏览器页面字符集编码为 UTF-8
p1
TESTp2
代码: from bs4 import BeautifulSoup soup = BeautifulSoup('p1TESTp2') print soup.div() 结果: [p1, p2] 为什么
我是一名优秀的程序员,十分优秀!