在Linux上安装Sonarqube6.1时出现异常

Question

在Linux 64位上安装Sonarqube6.1时，我在日志文件中收到此错误：

2016.12.01 20:18:56 ERROR web[][o.a.c.c.C.[.[.[/sonar]] Exception sending context initialized event to listener instance of class org.sonar.server.platform.web.PlatformServletContextListener
java.lang.IllegalStateException: Unable to load component class org.sonar.server.platform.ws.SystemWs

Caused by: java.lang.IllegalStateException: Unable to load component class org.sonar.server.platform.ws.InfoAction

        ... 34 common frames omitted
Caused by: java.lang.IllegalStateException: Unable to load component class org.sonar.server.platform.monitoring.SonarQubeMonitor