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https://issues.apache.org/jira/browse/GROOVY-8514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul King closed GROOVY-8514.
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> NullPointerException in class MissingMethodException
> ----------------------------------------------------
>
> Key: GROOVY-8514
> URL: https://issues.apache.org/jira/browse/GROOVY-8514
> Project: Groovy
> Issue Type: Bug
> Affects Versions: 2.4.14
> Reporter: Dennis K
> Assignee: Paul King
> Priority: Major
> Fix For: 2.4.15
>
>
> The class {{MissingMethodException}} throws an {{NullPointerException}} on
> {{getMessage()}} if {{arguments}} are null.
> This can happen, if the someone calls {{GroovyScriptEngineImpl.getInterface}}
> and invokes a method without arguments on that interface. And the method is
> not defined in the groovy script.
> The {{InvocationHandler}} calls the method {{invokeImpl}} with {{null}} as
> arguments, because the interface method has no arguments. If the Method is
> not defined in the groovy script. A {{MissingMethodException}} is thrown and
> catched. Than the following {{NoSuchMethodException(var5.getMessage());}} is
> thrown. But {{getMessage()}} itself throws an NPE due to {{arguments}} is
> null.
> From the Java Documentation
> [InvocationHandler|https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/InvocationHandler.html]
> {quote}args - an array of objects containing the values of the arguments
> passed in the method invocation on the proxy instance, or null if interface
> method takes no arguments. Arguments of primitive types are wrapped in
> instances of the appropriate primitive wrapper class, such as
> java.lang.Integer or java.lang.Boolean.
> {quote}
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