新导入的maven项目pom报错

Question

        <dependency>
            <groupId>oracle.jdbc</groupId>
            <artifactId>ojdbc</artifactId>
            <version>6</version>
        </dependency>
        <dependency>

提示missing

还有头部报错：
Failure to transfer org.codehaus.plexus:plexus-archiver:pom:1.0 from http://repo1.maven.org/maven2 was cached in the
local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are
forced. Original error: Could not transfer artifact org.codehaus.plexus:plexus-archiver:pom:1.0 from/to central (http://
repo1.maven.org/maven2): No response received after 60000

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
    version="3.1"> 

还有就是web.xml中welcom-file-list报错

Multiple annotations found at this line:
- cvc-complex-type.2.3: Element 'welcome-file-list' cannot have character [children], because the type's
content type is element-only.
- cvc-complex-type.2.4.b: The content of element 'welcome-file-list' is not complete. One of '{"http://
xmlns.jcp.org/xml/ns/javaee":welcome-file}' is expected.

 <welcome-file-list>
        index.jsp
    </welcome-file-list>

Answer 1

导入maven项目pom文件报错如下：Execution default-resources of goal org.apache.maven.plugins:maven-resources-plugin:2.5:resources failed: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of its dep......
答案就在这里：导入maven项目pom.xml文件报错
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