为什么Groovy的文字映射没有metaClass?/ lists work as expected:println aList.class // class java.util.ArrayList // org.codehaus.groovy.runtime.HandleMetaClass@3de6696c
$ClassCreationException: MetaClass couldn't create public edu.stanford.nlp.time.TimeExpressionExtractorImpl(java.lang.String,java.util.Properties) with args [sutime, {}] at edu.