Tomcat version 7.0 only supports J2EE 1.2, 1.3, 1.4, and Java EE 5 and 6 Web modules
2017-10-14 23:19
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Tomcat version 7.0 only supports J2EE 1.2, 1.3, 1.4, and Java EE 5 and 6 Web modules
问题描述
新建一个 web 工程,但在要添加到 tomcat 部署时提示添加不了,eclipse 中已经设置关联了本地安装的 tomcat 7.0, 提示如下:问题原因
本地的 tomcat 版本为 Tomcat 7.0, 新建的 web 工程为 3.1 版本的,而3.1 版本的 web 工程需要至少 Tomcat 8 才能部署。解决方法
升级 Tomcat 或 改 web 工程的版本,这里选择改 web 版本。1 右键改 Project Facets 里的 web 版本为 3.0:
2 修改 web.xml 文件的
<web-app>
<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_3_0.xsd" id="WebApp_ID" version="3.0">
刷新工程,重新添加,如果仍报错误提示,则打开工程所在目录,修改 .setting 目录下的 org.eclipse.wst.common.project.facet.core.xml 文件里的 jst.web 版本号
再刷新工程,重新添加工程至 tomcat。
参考:
解决Tomcat version 7.0 only supports J2EE 1.2, 1.3, 1.4, and Java EE 5 and 6 Web modules
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