如何通过Maven正确安装和配置JSF库?
我正在尝试将基于JSF的应用程序部署到Tomcat6。按照我的构建系统的设置方式,WAR本身没有任何库,因为该服务器总共提供43个应用程序。相反,这些库被复制到共享库文件夹中,并在应用程序之间共享。当我部署时,我得到了这个错误如何通过Maven正确安装和配置JSF库?,maven,jsf,tomcat,configuration,installation,Maven,Jsf,Tomcat,Configuration,Installation,我正在尝试将基于JSF的应用程序部署到Tomcat6。按照我的构建系统的设置方式,WAR本身没有任何库,因为该服务器总共提供43个应用程序。相反,这些库被复制到共享库文件夹中,并在应用程序之间共享。当我部署时,我得到了这个错误 SEVERE: Error deploying configuration descriptor SSOAdmin.xml java.lang.ClassFormatError: Absent Code attribute in method that is not na
SEVERE: Error deploying configuration descriptor SSOAdmin.xml
java.lang.ClassFormatError: Absent Code attribute in method that is not native or abstract in class file javax/faces/webapp/FacesServlet
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1667)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:108)
at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:58)
at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:297)
at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:1078)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:261)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4611)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:675)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:601)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1315)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1061)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
at org.apache.catalina.core.StandardService.start(StandardService.java:525)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
现在在我的研究中,我发现这应该通过下载JSF源代码并自己编译来解决。对我来说,这是一个可怕的解决方案。这将给我的团队带来巨大的问题,我们必须应对各种各样的配置。还有别的办法吗
这是我的pom.xml
:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.nms.sso</groupId>
<artifactId>SSOAdmin</artifactId>
<version>09142011-BETA</version>
<packaging>war</packaging>
<dependencies>
<dependency>
<groupId>asm</groupId>
<artifactId>asm</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<!-- <dependency> -->
<!-- <groupId>com.sun.faces</groupId> -->
<!-- <artifactId>jsf-api</artifactId> -->
<!-- <scope>${myExeScope}</scope> -->
<!-- </dependency> -->
<!-- <dependency> -->
<!-- <groupId>com.sun.faces</groupId> -->
<!-- <artifactId>jsf-impl</artifactId> -->
<!-- <scope>${myExeScope}</scope> -->
<!-- </dependency> -->
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>6.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.faces</groupId>
<artifactId>javax.faces-api</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>net.sf.jt400</groupId>
<artifactId>jt400</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>nmsc</groupId>
<artifactId>nmsc_api</artifactId>
<version>09142011-BETA</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.icefaces</groupId>
<artifactId>icefaces</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.icefaces</groupId>
<artifactId>icefaces-ace</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.icefaces</groupId>
<artifactId>icefaces-compat</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.javassist</groupId>
<artifactId>javassist</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.jibx</groupId>
<artifactId>jibx-extras</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.jibx</groupId>
<artifactId>jibx-run</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<scope>${myExeScope}</scope>
</dependency>
<dependency>
<groupId>postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>${myExeScope}</scope>
</dependency>
</dependencies>
<parent>
<groupId>nmsc</groupId>
<artifactId>nmsc_lib</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../libs</relativePath>
</parent>
<build>
<finalName>SSOAdmin</finalName>
</build>
<name>SSOAdmin Maven Webapp</name>
</project>
4.0.0
com.nms.sso
SSOAdmin
09142011-BETA
战争
asm
asm
${myExeScope}
cglib
cglib
${myExeScope}
通用编解码器
通用编解码器
${myExeScope}
爪哇
JavaEEAPI
6
假如
javax.faces
javax.faces-api
${myExeScope}
朱尼特
朱尼特
${myExeScope}
net.sf.jt400
jt400
${myExeScope}
nmsc
nmsc_api
09142011-BETA
org.hibernate
冬眠核心
${myExeScope}
org.icefaces
冰面
${myExeScope}
org.icefaces
冰面王牌
${myExeScope}
org.icefaces
冰面同胞
${myExeScope}
org.javassist
javassist
${myExeScope}
org.jibx
jibx附加服务
${myExeScope}
org.jibx
jibx运行
${myExeScope}
org.slf4j
slf4j-log4j12
${myExeScope}
org.springframework
spring上下文
${myExeScope}
org.springframework
春季甲虫
${myExeScope}
org.springframework
德克萨斯州春季
${myExeScope}
org.springframework
弹簧网
${myExeScope}
postgresql
postgresql
${myExeScope}
nmsc
nmsc_-lib
0.0.1-快照
../libs
SSOAdmin
SSOAdmin Maven Webapp
这里必须有一个解决办法。我一点也不相信Maven distributable for JSF只适用于编译,不适用于部署。当您面临一个“奇怪”的异常时,表明类/方法/文件/组件/标记不存在或不同,而它们似乎显式地包含在web应用程序中,例如下面的那些
java.lang.ClassFormatError:类文件javax/faces/webapp/FacesServlet中非本机或抽象的方法中缺少代码属性
java.util.MissingResourceException:找不到javax.faces.LogStrings包
com.sun.faces.vendor.WebContainerInjectionProvider无法强制转换为com.sun.faces.spi.InjectionProvider
com.sun.faces.config.ConfigurationException:配置失败
命名空间中名为inputFile的标记http://xmlns.jcp.org/jsf/html 已定义空处理程序类
javax.faces.CurrentThreadToServletContext.getFallbackFactory处的java.lang.NullPointerException
javax.faces.application.ViewHandlerWrapper.getWebsocketURL处的java.lang.AbstractMethodError
com.sun.faces.config.InitFacesContext.cleanupInitMaps上的java.lang.NullPointerException
或者,当您面临“奇怪”的运行时行为时,例如HTTP会话中断(JSSessionID
出现在所有位置的链接URL中),和/或JSF视图范围中断(其行为与请求范围相同),和/或CSS/JS/图像资源中断,那么,webapp的运行时类路径被重复的不同版本的JAR文件污染的可能性很大
在您的FacesServlet
上出现ClassFormatError
的特定情况下,这意味着第一次发现包含所述类的JAR文件实际上是一个“蓝图”API JAR文件,面向实现供应商(如为Mojarra和MyFaces工作的开发人员)。它包含只有类和方法签名的类文件,没有任何代码体和资源文件。这正是“缺少代码属性”的意思。它纯粹用于javadocs和编译
始终将服务器提供的库标记为已提供
Maven中标记为“”且工件ID中具有-api
后缀的所有依赖项都是那些blueprint api。您绝对不应该让它们出现在运行时类路径中。如果您真的需要在pom中添加它们,您应该始终标记它们。一个众所周知的例子是:
这会导致问题,因为它包含FacesServlet
的blueprint类。删除它并依赖上面所示的提供的JavaEE(Web)API应该可以解决这个问题
Tomcat作为一个基本的JSP/Servlet容器,已经提供了JSP、Servlet和EL(以及自8以来的WebSocket)。因此,您应该至少将jspapi
、servlet api
和el-api
标记为提供的。Tomcat只提供JSF(和)开箱即用。所以你需要通过webapp安装它
成熟的JavaEE服务器,如WildFly、TomEE、GlassFish、Payara、WebSphere等,已经提供了完整的JavaEEAPI,包括JSF。因此,您完全不需要通过webapp安装JSF。只有当服务器已经提供了不同的实现和/或现成版本时,才会导致冲突。您需要的唯一依赖项是javaeewebapi
,正如上面所示
在Tomcat 9或更早版本上安装JSF
有两种JSF实现:。您应该选择安装其中一个,而不是同时安装两个
在Tomcat 9或更早版本上安装Mojarra 2.3:
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>jakarta.faces</artifactId>
<version><!-- Check https://eclipse-ee4j.github.io/mojarra --></version>
</dependency>
<dependency>
<groupId>org.apache.myfaces.core</groupId>
<artifactId>myfaces-impl</artifactId>
<version><!-- Check http://myfaces.apache.org --></version>
</dependency>
你可以
<dependency>
<groupId>org.glassfish</groupId>
<artifactId>jakarta.faces</artifactId>
<version><!-- Check https://eclipse-ee4j.github.io/mojarra --></version>
</dependency>
<dependency>
<groupId>org.apache.myfaces.core</groupId>
<artifactId>myfaces-impl</artifactId>
<version><!-- Check http://myfaces.apache.org --></version>
</dependency>
<dependency>
<groupId>jakarta.servlet.jsp.jstl</groupId>
<artifactId>jakarta.servlet.jsp.jstl-api</artifactId>
<version><!-- Check https://mvnrepository.com/artifact/jakarta.servlet.jsp.jstl/jakarta.servlet.jsp.jstl-api --></version>
</dependency>