一切正常，但仍然出现->；类型动态Web模块4.0需要Java 1.8或更高版本
似乎我的项目配置正确，但Eclipse仍显示以下错误： 动态Web模块4.0需要Java 1.8或更高版本。 我已经尝试了一切，清理，构建，更新Maven项目，Maven清理，Maven编译 Web.xml一切正常，但仍然出现->；类型动态Web模块4.0需要Java 1.8或更高版本,java,maven,Java,Maven,似乎我的项目配置正确，但Eclipse仍显示以下错误： 动态Web模块4.0需要Java 1.8或更高版本。 我已经尝试了一切，清理，构建，更新Maven项目，Maven清理，Maven编译 Web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<welcome-file-list>
<welcome-file>login.xhtml</welcome-file>
</welcome-file-list>
<error-page>
<error-code>404</error-code>
<location>/404.xhtml</location>
</error-page>
<filter>
<filter-name>LoginFilter</filter-name>
<filter-class>com.mccsis.utils.LoginFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>LoginFilter</filter-name>
<url-pattern>/logado/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>AdmFilter</filter-name>
<filter-class>com.mccsis.utils.AdmFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>AdmFilter</filter-name>
<url-pattern>/logado/adm/*</url-pattern>
</filter-mapping>
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>server</param-value>
</context-param>
<context-param>
<param-name>javax.faces.PROJECT_STAGE</param-name>
<param-value>Development</param-value>
</context-param>
<context-param>
<param-name>primefaces.THEME</param-name>
<param-value>california-#{preferences.theme}</param-value>
</context-param>
<context-param>
<param-name>primefaces.FONT_AWESOME</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<param-name>javax.faces.FACELETS_LIBRARIES</param-name>
<param-value>/WEB-INF/primefaces-california.taglib.xml</param-value>
</context-param>
<listener>
<listener-class>com.sun.faces.config.ConfigureListener</listener-class>
</listener>
<mime-mapping>
<extension>ttf</extension>
<mime-type>application/font-sfnt</mime-type>
</mime-mapping>
<mime-mapping>
<extension>woff</extension>
<mime-type>application/font-woff</mime-type>
</mime-mapping>
<mime-mapping>
<extension>woff2</extension>
<mime-type>application/font-woff2</mime-type>
</mime-mapping>
<mime-mapping>
<extension>eot</extension>
<mime-type>application/vnd.ms-fontobject</mime-type>
</mime-mapping>
<mime-mapping>
<extension>eot?#iefix</extension>
<mime-type>application/vnd.ms-fontobject</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg#exosemibold</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg#exobolditalic</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg#exomedium</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg#exoregular</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg#fontawesomeregular</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.xhtml</url-pattern>
</servlet-mapping>
<filter>
<filter-name>Character Encoding Filter</filter-name>
<filter-class>com.mccsis.visao.configuracaoTemplate.CharacterEncodingFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>Character Encoding Filter</filter-name>
<servlet-name>Faces Servlet</servlet-name>
</filter-mapping>
<listener>
<listener-class>org.quartz.ee.servlet.QuartzInitializerListener</listener-class>
</listener>
</web-app>
<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>br.com.mccsis</groupId>
<artifactId>mc_c_sis</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<dependencies>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-api</artifactId>
<version>2.2.18</version>
</dependency>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-impl</artifactId>
<version>2.2.18</version>
</dependency>
<dependency>
<groupId>org.primefaces</groupId>
<artifactId>primefaces</artifactId>
<version>6.2</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.17</version>
</dependency>
<dependency>
<groupId>net.sf.jasperreports</groupId>
<artifactId>jasperreports</artifactId>
<version>6.7.0</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-dbcp2</artifactId>
<version>2.1.1</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.3.5.Final</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.46</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>2.1</version>
</dependency>
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>2.2.1</version>
</dependency>
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz-jobs</artifactId>
<version>2.2.1</version>
</dependency>
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.7</version>
</dependency>
</dependencies>
</project>
<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<fixed facet="java"/>
<fixed facet="jst.web"/>
<fixed facet="wst.jsdt.web"/>
<installed facet="wst.jsdt.web" version="1.0"/>
<installed facet="jst.jsf" version="2.0"/>
<installed facet="java" version="1.8"/>
<installed facet="jst.web" version="4.0"/>
</faceted-project>
login.xhtml
404
/404.xhtml
逻辑过滤器
com.mccsis.utils.LoginFilter
逻辑过滤器
/洛加多/*
AdmFilter
com.mccsis.utils.AdmFilter
AdmFilter
/洛加多/行政/*
javax.faces.STATE_保存方法
服务器
javax.faces.PROJECT_阶段
发展
主题
加州-#{首选项.主题}
primefaces.FONT\u太棒了
真的
javax.faces.FACELETS\u库
/WEB-INF/primefaces-california.taglib.xml
com.sun.faces.config.ConfigureListener
ttf
应用程序/字体sfnt
沃夫
应用程序/字体woff
沃夫2
应用程序/font-woff2
eot
应用程序/vnd.ms-fontobject
eot？#iefix
应用程序/vnd.ms-fontobject
svg
image/svg+xml
svg#exosemibold
image/svg+xml
svg#exobolditalic
image/svg+xml
svg#exomedium
image/svg+xml
svg#外正则
image/svg+xml
svg#fontawesomeregular
image/svg+xml
Facesservlet
javax.faces.webapp.FacesServlet
1.
Facesservlet
*.xhtml
字符编码滤波器
com.mccsis.visao.configuracaomplate.CharacterEncodingFilter
字符编码滤波器
Facesservlet
org.quartz.ee.servlet.QuartzInitializerListener
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<welcome-file-list>
<welcome-file>login.xhtml</welcome-file>
</welcome-file-list>
<error-page>
<error-code>404</error-code>
<location>/404.xhtml</location>
</error-page>
<filter>
<filter-name>LoginFilter</filter-name>
<filter-class>com.mccsis.utils.LoginFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>LoginFilter</filter-name>
<url-pattern>/logado/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>AdmFilter</filter-name>
<filter-class>com.mccsis.utils.AdmFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>AdmFilter</filter-name>
<url-pattern>/logado/adm/*</url-pattern>
</filter-mapping>
<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>server</param-value>
</context-param>
<context-param>
<param-name>javax.faces.PROJECT_STAGE</param-name>
<param-value>Development</param-value>
</context-param>
<context-param>
<param-name>primefaces.THEME</param-name>
<param-value>california-#{preferences.theme}</param-value>
</context-param>
<context-param>
<param-name>primefaces.FONT_AWESOME</param-name>
<param-value>true</param-value>
</context-param>
<context-param>
<param-name>javax.faces.FACELETS_LIBRARIES</param-name>
<param-value>/WEB-INF/primefaces-california.taglib.xml</param-value>
</context-param>
<listener>
<listener-class>com.sun.faces.config.ConfigureListener</listener-class>
</listener>
<mime-mapping>
<extension>ttf</extension>
<mime-type>application/font-sfnt</mime-type>
</mime-mapping>
<mime-mapping>
<extension>woff</extension>
<mime-type>application/font-woff</mime-type>
</mime-mapping>
<mime-mapping>
<extension>woff2</extension>
<mime-type>application/font-woff2</mime-type>
</mime-mapping>
<mime-mapping>
<extension>eot</extension>
<mime-type>application/vnd.ms-fontobject</mime-type>
</mime-mapping>
<mime-mapping>
<extension>eot?#iefix</extension>
<mime-type>application/vnd.ms-fontobject</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg#exosemibold</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg#exobolditalic</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg#exomedium</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg#exoregular</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<mime-mapping>
<extension>svg#fontawesomeregular</extension>
<mime-type>image/svg+xml</mime-type>
</mime-mapping>
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>*.xhtml</url-pattern>
</servlet-mapping>
<filter>
<filter-name>Character Encoding Filter</filter-name>
<filter-class>com.mccsis.visao.configuracaoTemplate.CharacterEncodingFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>Character Encoding Filter</filter-name>
<servlet-name>Faces Servlet</servlet-name>
</filter-mapping>
<listener>
<listener-class>org.quartz.ee.servlet.QuartzInitializerListener</listener-class>
</listener>
</web-app>
<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>br.com.mccsis</groupId>
<artifactId>mc_c_sis</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<dependencies>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-api</artifactId>
<version>2.2.18</version>
</dependency>
<dependency>
<groupId>com.sun.faces</groupId>
<artifactId>jsf-impl</artifactId>
<version>2.2.18</version>
</dependency>
<dependency>
<groupId>org.primefaces</groupId>
<artifactId>primefaces</artifactId>
<version>6.2</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>3.17</version>
</dependency>
<dependency>
<groupId>net.sf.jasperreports</groupId>
<artifactId>jasperreports</artifactId>
<version>6.7.0</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-dbcp2</artifactId>
<version>2.1.1</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.3.5.Final</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.46</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>2.1</version>
</dependency>
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>2.2.1</version>
</dependency>
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz-jobs</artifactId>
<version>2.2.1</version>
</dependency>
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.7</version>
</dependency>
</dependencies>
</project>
<?xml version="1.0" encoding="UTF-8"?>
<faceted-project>
<fixed facet="java"/>
<fixed facet="jst.web"/>
<fixed facet="wst.jsdt.web"/>
<installed facet="wst.jsdt.web" version="1.0"/>
<installed facet="jst.jsf" version="2.0"/>
<installed facet="java" version="1.8"/>
<installed facet="jst.web" version="4.0"/>
</faceted-project>
4.0.0
br.com.mccsis
如果我错过了什么，请告诉我
更新
Java编译器
我在这里找到了解决办法
在我的例子中，将下一行添加到pom.xml会有所帮助
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
maven编译器插件
1.8
1.8
您是否使用java8运行eclipse？检查Java编译器页面中的项目属性中的Java 8设置查看上面更新的Java编译器页面