从SonarQube生成的代码给了我同样的问题，加上我有很多：

[ERROR] Failed to execute goal org.sonarsource.scanner.maven:sonar-maven-plugin:3.9.1.2184:sonar (default-cli) on project <project.name>: You're not authorized to run analysis. Please contact the project administrator. -> [Help 1]
[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 switch 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/MojoExecutionException
-D : The term '-D' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and     
try again.
At line:2 char:3
+   -D sonar.projectKey=<project.key> \
+   ~~
    + CategoryInfo          : ObjectNotFound: (-D:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException
 
-D : The term '-D' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and     
try again.
At line:3 char:3
+   -D sonar.host.url=http://localhost:9000 \
+   ~~
    + CategoryInfo          : ObjectNotFound: (-D:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException
 
-D : The term '-D' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and     
try again.
At line:4 char:3
+   -D sonar.login=<sonar.login>
+   ~~
    + CategoryInfo          : ObjectNotFound: (-D:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException

字符串
但是在把所有内容放在一行中，删除" \ "加上在" -D sonar "之间有一个空格，一切都工作正常。