Primefaces selectManyMenu选择多个错误
[英]Primefaces selectManyMenu error on selecting many
问题描述
I have a interfaces uses selectManyMenu where dealer can select some criteria based on zip codes they service. 
我有一个使用selectManyMenu的界面，经销商可以根据他们服务的邮政编码选择一些条件。 They have almost 800 zip codes , if we select approx 250 it works but above that interfaces throws an error as below 他们有将近800个邮政编码，如果我们选择大约250个邮政编码，那么它可以工作，但是在上面的接口将引发如下错误
<p:selectManyMenu showCheckbox="true" style="width:100px;height:200px" value="#{mergeList.lbean.selectedzips}">
<f:selectItems value="#{mergeList.zips}" var="zp" itemLabel=" #{zp.name}" itemValue="# {zp.name}" />
</p:selectManyMenu>
for servlet Faces Servlet threw exception: java.lang.NullPointerException at com.sun.faces.context.PartialViewContextImpl.createPartialResponseWriter(PartialViewContextImpl.java:441) [jsf-impl-2.1.7-jbossorg-2.jar:] at com.sun.faces.context.PartialViewContextImpl.access$300(PartialViewContextImpl.java:71) [jsf-impl-2.1.7-jbossorg-2.jar:] at com.sun.faces.context.PartialViewContextImpl$DelayedInitPartialResponseWriter.getWrapped(PartialViewContextImpl.java:582) [jsf-impl-2.1.7-jbossorg-2.jar:] at javax.faces.context.PartialResponseWriter.startDocument(PartialResponseWriter.java:115) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final] at org.primefaces.context.PrimePartialResponseWriter.startDocument(PrimePartialResponseWriter.java:134) [primefaces-4.0.jar:4.0] at com.sun.faces.context.AjaxExceptionHandlerImpl.handlePartialResponseError(AjaxExceptionHandlerImpl.java:199) [jsf-impl-2.1.7-jbossorg-2.jar:] at com.sun.faces.context.AjaxExceptionHandlerImpl.handle(AjaxExceptionHandlerImpl.ja
1 个解决方案
解决方案1
0 2014-03-14 09:09:35
Try this: 尝试这个：
List<ObjectName> selectedZips=new ArrayList<>();
// getter & setter
<p:selectManyMenu showCheckbox="true" style="width:100px;height:200px"
value="#{mergeList.selectedzips}">
<f:selectItems value="#{mergeList.zips}" var="zp" itemLabel=" #{zp.name}"
itemValue="#{zp.name}" />
</p:selectManyMenu>
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