java - Sakai 11 构建成功 Tomcat/门户未运行 - Catalina 异常启动过滤器 sakai.request java.lang.NullPointerException

Question

我尝试安装 Sakai 11 和 Tomcat 8，使用 Maven 3.3.9 遵循https://github.com/sakaiproject/sakai

Sakai 两次都正确编译，Tomcat 启动，但当我尝试访问http://localhost:8080/portal时出现错误。有没有人对此有任何建议或过去的经验？请参阅下面的错误日志：

07-Jul-2016 23:23:50.411 INFO [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log No Spring WebApplicationInitializer types detected on classpath
07-Jul-2016 23:24:03.676 INFO [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log Initializing Spring root WebApplicationContext
07-Jul-2016 23:24:04.696 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.filterStart Exception starting filter sakai.request
java.lang.NullPointerException
at org.sakaiproject.util.RequestFilter.init(RequestFilter.java:649)
at org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:279)
at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260)