'A required class was missing while executing org.sonarsource.scanner.maven:sonar.maven.plugin

I create some customrules in sonarqube,when i upload my projects to sonarqube,some errors is coming: A required class was missing while executing org.sonarsource.scanner.maven:sonar.maven.plugin... jdk version :11, maven version :3.6.3, sonqube version : 8.9 sonar-maven-plugin: 3.9.1 enter image description here the class is from java-frondend waiting your help,please

i want to use the custom-rules



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