Cannot change version web module 3.0
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解决办法:
第一步:修改web.xml的命名空间为:
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">
第二步:在navigator的视图下 找到项目下的 .setting文件夹, 打开文件org.eclipse.wst.common.project.facet.core.xml,将jdk从1.5修改为1.7, jst.web修改成3.0;
这样就完成了修改,而且有效,但有个问题是一旦重新 点击 Maven –> Update Project.. 就一夜回到解放前了,所以:
第三步:在需要pom.xml文件中,添加一段配置,这样就能保证 Maven –> Update Project..之后也正常了。
<plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.5.1</version> <configuration> <source>1.7</source> <target>1.7</target> <encoding>UTF-8</encoding> </configuration> </plugin></plugins>
转自:http://www.2cto.com/kf/201604/497913.html
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