Primefaces 日历监听器 - 错误 [io.undertow.request]

Question

我正在尝试在日历上使用侦听器。我正在执行以下操作：

lista.xhtml

<p:outputLabel for="data" value="Data:" />
<p:calendar id="data" value="#{movimentacaoBean.movimentacao.data}" locale="pt_BR" pattern="dd/MM/yyyy" mask="true">
   <p:ajax event="dateSelect" update="" listener="#{movimentacaoBean.definePeriodo}" />
</p:calendar>

MovimentacaoBean

public void definePeriodo(){ System.out.println("entrou"); }

我收到以下错误

2017-11-27 12:43:20,731 ERROR [io.undertow.request] (default task-10) UT005023: Exception handling request to /paginas/financeiro/lista.xhtml: java.lang.RuntimeException: java.lang.NullPointerException at io.undertow.servlet.spec.RequestDispatcherImpl.forwardImpl(RequestDispatcherImpl.java:245) at io.undertow.servlet.spec.RequestDispatcherImpl.forwardImplSetup(RequestDispatcherImpl.java:147) at io.undertow.servlet.spec.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:111) at org.ocpsoft.rewrite.servlet.impl.HttpRewriteResultHandler.handleResult(HttpRewriteResultHandler.java:42) at org.ocpsoft.rewrite.servlet.RewriteFilter.rewrite(RewriteFilter.java:297) at org.ocpsoft.rewrite.servlet.RewriteFilter.doFilter(RewriteFilter.java:198) at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at org.wildfly.swarm.generated.FaviconErrorHandler.handleRequest(FaviconErrorHandler.java:62) at io.undertow.server.handlers.PathHandler.handleRequest(PathHandler.java:94) at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50) at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292) at io.undertow.servlet.handlers.ServletInitialHandler.access0(ServletInitialHandler.java:81) at io.undertow.servlet.handlers.ServletInitialHandler.call(ServletInitialHandler.java:138) at io.undertow.servlet.handlers.ServletInitialHandler.call(ServletInitialHandler.java:135) at io.undertow.servlet.core.ServletRequestContextThreadSetupAction.call(ServletRequestContextThreadSetupAction.java:48) at io.undertow.servlet.core.ContextClassLoaderSetupAction.call(ContextClassLoaderSetupAction.java:43) at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44) at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44) at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44) at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44) at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44) at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44) at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272) at io.undertow.servlet.handlers.ServletInitialHandler.access[=13=]0(ServletInitialHandler.java:81) at io.undertow.servlet.handlers.ServletInitialHandler.handleRequest(ServletInitialHandler.java:104) at io.undertow.server.Connectors.executeRootHandler(Connectors.java:211) at io.undertow.server.HttpServerExchange.run(HttpServerExchange.java:809) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:748)

更新

如果我在其他字段上使用相同的侦听器（例如带有模糊事件的 inputText），效果很好！

更新我

我尝试这样做但没有成功

public void definePeriodo(SelectEvent event){
    System.out.println("entrou");
}

Answer 1

我发现了我的错误..

我的异常处理程序工厂导致了这个错误....

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