'dependencies.dependency.version' for XXX:jar is missing

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SSM项目报错

pom文件

 <parent>
        <artifactId>e3-parent</artifactId>
        <groupId>cn.e3mall</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <dependencies>
     <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>dubbo</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework</groupId>
                    <artifactId>spring</artifactId>
                </exclusion>

                <exclusion>
                    <groupId>org.jboss.netty</groupId>
                    <artifactId>netty</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.apache.zookeeper</groupId>
            <artifactId>zookeeper</artifactId>
        </dependency>
        <dependency>
            <groupId>com.github.sgroschupf</groupId>
            <artifactId>zkclient</artifactId>
        </dependency>
    </dependencies>

明明在父工程中配置了版本并且在子工程中引用了却提示找不到jar包的版本
原因：
pom文件中parent路径不对，我的是在同一个目录，所以应该为

 <parent>
        <artifactId>e3-parent</artifactId>
        <groupId>cn.e3mall</groupId>
        <version>1.0-SNAPSHOT</version>
        <relativePath>../e3parent/pom.xml</relativePath>
    </parent>