【错误记录】Groovy 运行报错 ( Exception in thread “main“ groovy.lang.MissingMethodException: No signature of )

Exception in thread "main" groovy.lang.MissingMethodException: No signature of method: Test$_main_closure3.call() is applicable for argument types: (java.lang.String) values: [Hello]
Possible solutions: doCall(), any(), any(), each(groovy.lang.Closure), any(groovy.lang.Closure), each(groovy.lang.Closure)
  at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:284)
  at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1015)
  at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:806)
  at groovy.lang.GroovyObjectSupport.invokeMethod(GroovyObjectSupport.java:44)
  at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:45)
  at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
  at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
  at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116)
  at Test.main(Test.groovy:50)
Execution failed for task ':Test.main()'.
> Process 'command 'D:/Program Files/Java/jdk1.8.0_221/bin/java.exe'' finished with non-zero exit value 1

Exception in thread "main" groovy.lang.MissingMethodException: No signature of method: Test$_main_closure3.call() is applicable for argument types: (java.lang.String) values: [Hello]
Possible solutions: doCall(), any(), any(), each(groovy.lang.Closure), any(groovy.lang.Closure), each(groovy.lang.Closure)

def closure2 = { ->
            println "Hello"
        }
        closure2("Hello")

def closure2 = { ->
            println "Hello"
        }
        closure2()