com.sun.faces.facelets.tag.jsf.CompositeComponentTagLibrary tagLibraryForNSExist

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#com.sun.faces.facelets.tag.jsf.CompositeComponentTagLibrary tagLibraryForNSExists

本文记录了一条关于com.sun.faces.facelets.tag.jsf.CompositeComponentTagLibrary的警告信息，提示在使用特定JSF组件库时，需要设置context-param com.sun.faces.enableMissingResourceLibraryDetection为true来验证库http://java.sun.com/jsf/composite/utils是否存在。

2011-8-16 17:24:55 com.sun.faces.facelets.tag.jsf.CompositeComponentTagLibrary tagLibraryForNSExists
信息: Skipping call to libraryExists().  Please set context-param com.sun.faces.enableMissingResourceLibraryDetection to true to verify if library http://java.sun.com/jsf/composite/utils actually exists
 

 

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See the nested exception. at com.oracle.pitchfork.intercept.MethodInvocationInvocationContext.proceed(MethodInvocationInvocationContext.java:105) at com.oracle.pitchfork.intercept.JeeInterceptorInterceptor.invoke(JeeInterceptorInterceptor.java:101) at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at com.oracle.pitchfork.intercept.MethodInvocationInvocationContext.proceed(MethodInvocationInvocationContext.java:101) at org.jboss.weld.module.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:72) at org.jboss.weld.module.ejb.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:52) at jdk.internal.reflect.GeneratedMethodAccessor5324.invoke(Unknown Source) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at com.oracle.pitchfork.intercept.JeeInterceptorInterceptor.invoke(JeeInterceptorInterceptor.java:94) at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:136) at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:124) at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at com.bea.core.repackaged.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212) at com.sun.proxy.$Proxy1224.getSvg(Unknown Source) at com.lkm.pmi.holeV2.server.ProcServerEjb_kknxq8_NoIntfViewImpl.__WL_invoke(Unknown Source) at weblogic.ejb.container.internal.SessionLocalMethodInvoker.invoke(SessionLocalMethodInvoker.java:33) at com.lkm.pmi.holeV2.server.ProcServerEjb_kknxq8_NoIntfViewImpl.getSvg(Unknown Source) at com.lkm.pmi.holeV2.bean.SvgBean.showSvg(SvgBean.java:38) at com.lkm.pmi.holeV2.bean.SvgBean.init(SvgBean.java:31) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.jboss.weld.injection.producer.DefaultLifecycleCallbackInvoker.invokeMethods(DefaultLifecycleCallbackInvoker.java:83) at org.jboss.weld.injection.producer.DefaultLifecycleCallbackInvoker.postConstruct(DefaultLifecycleCallbackInvoker.java:66) at org.jboss.weld.injection.producer.BasicInjectionTarget.postConstruct(BasicInjectionTarget.java:122) at com.oracle.injection.provider.weld.WeldBeanManager.invokePostConstruct(WeldBeanManager.java:266) at com.oracle.injection.integration.utils.InjectionBeanCreator.invokePostConstruct(InjectionBeanCreator.java:162) at weblogic.servlet.internal.InjectionBasedWebComponentCreator.notifyPostConstruct(InjectionBasedWebComponentCreator.java:195) at com.bea.faces.WeblogicInjectionProvider.invokePostConstruct(WeblogicInjectionProvider.java:38) at com.sun.faces.mgbean.BeanBuilder.invokePostConstruct(BeanBuilder.java:197) at com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:79) at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:387) at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:247) at com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:200) at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:55) at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:156) at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:184) at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:92) at com.sun.el.parser.AstValue.getBase(AstValue.java:126) at com.sun.el.parser.AstValue.getValue(AstValue.java:175) at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:202) at org.jboss.weld.module.web.el.WeldValueExpression.getValue(WeldValueExpression.java:50) at org.jboss.weld.module.web.el.WeldValueExpression.getValue(WeldValueExpression.java:50) at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:73) at com.sun.faces.facelets.tag.TagAttributeImpl.getObject(TagAttributeImpl.java:316) at com.sun.faces.facelets.tag.TagAttributeImpl.getBoolean(TagAttributeImpl.java:109) at com.sun.faces.facelets.tag.jstl.core.IfHandler.apply(IfHandler.java:50) at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:55) at javax.faces.view.facelets.DelegatingMetaTagHandler.applyNextHandler(DelegatingMetaTagHandler.java:137) at com.sun.faces.facelets.tag.jsf.ComponentTagHandlerDelegateImpl.apply(ComponentTagHandlerDelegateImpl.java:179) at javax.faces.view.facelets.DelegatingMetaTagHandler.apply(DelegatingMetaTagHandler.java:111) at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:55) at com.sun.faces.facelets.tag.jsf.core.ViewHandler.apply(ViewHandler.java:182) at com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:52) at com.sun.faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:46) at com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:120) at com.sun.faces.application.view.FaceletViewHandlingStrategy.buildView(FaceletViewHandlingStrategy.java:358) at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:78) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:76) at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:199) at javax.faces.webapp.FacesServlet.executeLifecyle(FacesServlet.java:708) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:451) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:295) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:260) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:137) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:353) at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:82) at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:81) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:82) at com.lkm.pmi.template.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:21) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:82) at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:32) at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:82) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3866) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3829) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:344) at weblogic.security.service.SecurityManager.runAsForUserCode(SecurityManager.java:197) at weblogic.servlet.provider.WlsSecurityProvider.runAsForUserCode(WlsSecurityProvider.java:203) at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:71) at weblogic.servlet.internal.WebAppServletContext.processSecuredExecute(WebAppServletContext.java:2502) at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2351) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2326) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2304) at weblogic.servlet.internal.ServletRequestImpl.runInternal(ServletRequestImpl.java:1779) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1733) at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:272) at weblogic.invocation.ComponentInvocationContextManager._runAs(ComponentInvocationContextManager.java:352) at weblogic.invocation.ComponentInvocationContextManager.runAs(ComponentInvocationContextManager.java:337) at weblogic.work.LivePartitionUtility.doRunWorkUnderContext(LivePartitionUtility.java:57) at weblogic.work.PartitionUtility.runWorkUnderContext(PartitionUtility.java:41) at 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com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:198) at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at com.oracle.pitchfork.intercept.MethodInvocationInvocationContext.proceed(MethodInvocationInvocationContext.java:101) ... 96 more
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软件工程基于多语言技术栈的电商平台后端设计：高并发与可维护性优化方案研究
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内容概要：本文系统性地介绍了编程语言进阶的学习路径与实战项目实践，涵盖主流技术栈（Python、Java、Go、Rust）的优劣势分析，针对高并发性能优化、业务逻辑可维护性、数据处理效率等行业痛点提供具体解决方案，并结合设计模式与代码示例深入讲解。文章重点通过构建一个基于FastAPI的简易电商平台后端，演示了从技术选型、核心编码到项目优化的完整流程，强调性能调优、架构设计与实际工程问题的应对策略。最后提出进阶建议，倡导深入底层原理、掌握云原生技术、参与开源项目以持续提升技术能力。; 适合人群：具备一定编程经验，希望提升系统设计能力和工程实战水平的1-3年开发者，以及准备向中高级工程师进阶的技术人员。; 使用场景及目标：①帮助开发者在不同技术路线间做出合理选型决策；②掌握高并发、分布式、缓存等关键技术的实际应用；③通过完整项目实践理解Web后端开发全流程并积累可迁移经验；④提升对框架底层原理和系统性能优化的理解。; 阅读建议：建议边读边动手实现文中的代码示例与项目模块，结合调试与性能测试加深理解，同时延伸学习文中提到的底层机制（如GIL、goroutine、ORM原理）和工具链（Docker、Redis、JWT），以构建完整的知识体系。
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