我有一个接口使用selectManyMenu，经销商可以根据他们服务的邮政编码选择一些标准 . 它们有近800个邮政编码，如果我们选择大约250个它可以工作但超过该接口会抛出如下错误
<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抛出异常：com.sun.faces.context.PartialViewContextImpl.createPartialResponseWriter（PartialViewContextImpl.java:441）的java.lang.NullPointerException [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：]在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 . java：123）[jsf-impl-2.1.7-jbossorg-2.jar：] at com.sun.faces.lifecycle.Phase.doPhase（Phase.java:119）[jsf-impl-2.1.7-jbossorg- 2.jar：] at com.sun.faces.lifecycle.RestoreViewPhase.doPhase（RestoreViewPhase.java:116）[jsf-impl-2.1.7-jbossorg-2.jar：] at com.sun.faces.lifecycle.LifecycleImpl .execute（LifecycleImpl.java:118）[jsf-impl-2.1.7-jbossorg-2.jar：]在javax.faces.webapp.FacesServlet.service（FacesServlet.java:593）[jboss-jsf-api_2.1_spec在org.apache的org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:329）[jbossweb-7.0.13.Final.jar：]的-2.0.1.Final.jar：2.0.1.Final] .catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:248）[jbossweb-7.0.13.Final.jar：] at org.primefaces.webapp.filter.FileUploadFilter.doFilter（FileUploadFilter.java:98）[primefaces-4.0 .jar：4.0] org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:280）[jbossweb-7.0.13.Final.jar：] at org.apache.catalina.core.Application FilterChain.doFilter（ApplicationFilterChain.java:248）[jbossweb-7.0.13.Final.jar：] at org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:275)[jbossweb-7.0.13.Final . jar：] org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:161）[jbossweb-7.0.13.Final.jar：] at org.jboss.as.web.security.SecurityContextAssociationValve.invoke（SecurityContextAssociationValve .java：153）[jboss-as-web-7.1.1.Final.jar：7.1.1.Final] org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:155)[jbossweb-7.0 . 13.Final.jar：] org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:102）[jbossweb-7.0.13.Final.jar：] at org.apache.catalina.core.StandardEngineValve.invoke （StandardEngineValve.java:109）[jbossweb-7.0.13.Final.jar：] org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:368）[jbossweb-7.0.13.Final.jar：]在org.apache.coyote.http11.Http11Processor.process（Http11Processor.java:877）[jbossweb-7 . 0.13.Final.jar：] org.apache.coyote.http11.Http11Protocol $ Http11ConnectionHandler.process（Http11Protocol.java:671)[jbossweb-7.0.13.Final.jar：] at org.apache.tomcat.util.net .JIoEndpoint $ Worker.run（JIoEndpoint.java:930）[jbossweb-7.0.13.Final.jar：] java.lang.Thread.run（Unknown Source）[rt.jar：1.6.0_25]
1 回答
试试这个：