'artifactId' is missing. @ line 2, column 10

[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[FATAL] 'artifactId' is missing. @ line 2,column 109
[WARNING] build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.springframework.boot:spring-boot-maven-plugin @ line 90,1)">21dependencies.dependency.scopefor org.springframework.boot:spring-boot-devtools:jar must be one of [provided,compile,runtime,test,system] but is true'. @ line 253,1)">11
 @ 
[ERROR] The build could not read 1 project -> [Help 1]
[ERROR]   
[ERROR]   The project cn.challengertech.blog:[unknown-artifact-id]:[unknown-version] (/home/test/blog/blog-web/pom.xml) has  error
[ERROR]     
[ERROR] 
[ERROR] To see the full stack trace of the errors,re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X  to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions,please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException

[ERROR]     109