maven 下载依赖总是出错

错误信息如下:

15/11/14 GMT+8下午10:41:43: [ERROR] An error occured trying to find to javax.faces.webapp.FacesServlet :
15/11/14 GMT+8下午10:41:43: [WARN] The POM for standard:standard:jar:1.2 is missing, no dependency information available

我在使用spring的mvc功能做个简单的项目
pom.xml如下:

<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.imooc.spring.demo</groupId>
<artifactId>spring-mvc-demo</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>spring-mvc-demo Maven Webapp</name>
<url>http://maven.apache.org&lt;/url>
<dependencies>

<dependency>
  <groupId>junit</groupId>
  <artifactId>junit</artifactId>
  <version>3.8.1</version>
  <scope>test</scope>
</dependency>

<dependency>
      <groupId>commons-lang</groupId>
      <artifactId>commons-lang</artifactId>
      <version>2.3</version>
</dependency>

<dependency>
<groupId>org.slf4j13</groupId>
<artifactId>slf4j-log4j13</artifactId>
<version>1.0-beta9</version>
<type>pom</type>
</dependency>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.2.2.RELEASE</version>
</dependency>

<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.6.3</version>
</dependency>

    <dependency>  
        <groupId>com.fasterxml.jackson.core</groupId>  
        <artifactId>jackson-databind</artifactId>  
        <version>2.1.0</version>  
    </dependency>  

    <dependency>  
        <groupId>com.fasterxml.jackson.core</groupId>  
        <artifactId>jackson-annotations</artifactId>  
        <version>2.1.0</version>  
    </dependency>  

<dependency>
<groupId>org.jboss.spec.javax.servlet.jstl</groupId>
<artifactId>jboss-jstl-api_1.2_spec</artifactId>
<version>1.1.2.Final</version>
</dependency>

<dependency>
<groupId>javax.faces</groupId>
<artifactId>javax.faces-war-archetype</artifactId>
<version>2.2</version>
</dependency>

<dependency>
<groupId>standard</groupId>
<artifactId>standard</artifactId>
<version>1.2</version>
</dependency>

</dependencies>
<build>

<finalName>spring-mvc-demo</finalName>

</build>
</project>

谢谢啦。

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