我正在使用spring-security-saml v3.3.0插件在Grails 3.3.9应用程序中配置SSO。该应用程序启动时没有任何问题，我可以看到我的SSO登录页面。登录时，出现服务器错误：
groovy.lang.MissingPropertyException: No such property: log for class: org.grails.plugin.springsecurity.saml.SamlSecurityService
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:66)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassGetPropertySite.getProperty(PogoMetaClassGetPropertySite.java:52)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGroovyObjectGetProperty(AbstractCallSite.java:310)
at org.grails.plugin.springsecurity.saml.SamlSecurityService.getCurrentUser(SamlSecurityService.groovy:27)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1427)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:98)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
at groovy.lang.MetaClassImpl.getProperty(MetaClassImpl.java:1845)
at groovy.lang.ExpandoMetaClass.getProperty(ExpandoMetaClass.java:1155)
at groovy.lang.MetaClassImpl.getProperty(MetaClassImpl.java:3773)
at groovy.lang.ExpandoMetaClass.getProperty(ExpandoMetaClass.java:1167)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassGetPropertySite.getProperty(PogoMetaClassGetPropertySite.java:50)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGroovyObjectGetProperty(AbstractCallSite.java:310)
at interceptor.AllExceptRestAPIInterceptor.before(AllExceptRestAPIInterceptor.groovy:47)
at org.grails.plugins.web.interceptors.GrailsInterceptorHandlerInterceptorAdapter.preHandle(GrailsInterceptorHandlerInterceptorAdapter.groovy:77)
AllExceptRestAPIInterceptor 是我的拦截器，在第47行中，我正在使用springSecurityService来获取当前用户。
我看到已报告并修复了此错误Support for Grails 3.3.x，但我仍然面临着这个问题。