我正在以下环境中运行应用程序.
GlassFish Server 4.0
Mojarra 2.2.4
PrimeFaces 4.0决赛
PrimeFaces Extension 1.1.0
OmniFaces 1.6.3
添加OmniFaces后,服务器终端上会显示以下警告.
WARNING: WELD-001519 An InjectionTarget implementation is created for an abstract class org.omnifaces.eventlistener.DefaultServletContextListener. It will not be possible to produce instances of this type! WARNING: WELD-001519 An InjectionTarget implementation is created for an abstract class org.omnifaces.filter.HttpFilter. It will not be possible to produce instances of this type! //WARNING: Class 'javax.ejb.PostActivate' not found, interception based on it is not enabled //WARNING: Class 'javax.ejb.PrePassivate' not found, interception based on it is not enabled INFO: Initializing Mojarra 2.2.4 ( 20131003-1354 https://svn.java.net/svn/mojarra~svn/tags/2.2.4@12574) for context '/Project-war' WARNING: WELD-001529 An InjectionTarget implementation is created for a class org.omnifaces.application.OmniApplicationFactory which does not have any appropriate constructor. WARNING: WELD-001529 An InjectionTarget implementation is created for a class org.primefaces.context.PrimeFacesContextFactory which does not have any appropriate constructor. WARNING: WELD-001529 An InjectionTarget implementation is created for a class org.omnifaces.context.OmniPartialViewContextFactory which does not have any appropriate constructor. WARNING: WELD-001529 An InjectionTarget implementation is created for a class org.primefaces.context.PrimePartialViewContextFactory which does not have any appropriate constructor. INFO: Running on PrimeFaces 4.0 INFO: Running on PrimeFaces Extensions null INFO: Using OmniFaces version null INFO: Loading application [Project#Project-war.war] at [Project-war] INFO: Project was successfully deployed in 22,734 milliseconds.
OmniFaces在给定环境中有任何问题吗?
不,这些只是警告,而不是错误.Weld无法为没有默认构造函数的抽象类或类创建注入目标.注射目标需要能够Class.forName(className).newInstance()
毫无困难地完成.
记录中的这种干扰已经报告为焊接问题1547,因此自Weld 2.1.1/2.2.0起,警告级别降低到DEBUG级别.
注意到应该存在另一个错误,很可能与GlassFish类加载有关.OmniFaces有一个VetoAnnotatedTypeExtension
应该排除所有那些OmniFaces类不必要地被扫描为CDI托管bean.当在Tomcat 7和JBoss 6/7/8中使用Weld时,这可以正常工作.也就是说OmniFaces类没有出现这些警告.