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https://issues.apache.org/jira/browse/GROOVY-8110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15901168#comment-15901168
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Paul King commented on GROOVY-8110:
-----------------------------------
Just some additional info/examples. Using String[] as the type instead of
byte[] yields:
{noformat}
java.lang.ClassFormatError: Method "fireMessageReceived" in class
MessageProducer has illegal signature "(L[Ljava/lang/String;;)V"
{noformat}
With similar results for other object types.
Adding @CompileStatic to the produce method yields:
{noformat}
java.lang.VerifyError: (class: MessageProducer, method: produce signature:
(Ljava/lang/String;)V) Incompatible argument to function
{noformat}
> @ListenerList generated fireWhatever() method stops working
> -----------------------------------------------------------
>
> Key: GROOVY-8110
> URL: https://issues.apache.org/jira/browse/GROOVY-8110
> Project: Groovy
> Issue Type: Bug
> Components: groovy-runtime
> Affects Versions: 2.4.7, 2.4.8
> Reporter: Frigo Pratser
> Priority: Minor
>
> As described in the question on SO
> [http://stackoverflow.com/questions/42648766/groovy-listenerlist-generated-firexxx-method-stops-working]
> and confirmed by @aalmiray the fireWhatever() method generated when
> using @ListenerList annotation stops working after some calls.
> [@aalmiray|http://stackoverflow.com/users/120745/aalmiray] s code as posted
> in his reply reproduces the problem with
> Groovy 2.4.7 and I confirmed it with 2.4.8 running it in groovyConsole. The
> difference between this code and the longer one in the SO question is that in
> the longer version the call works but if called periodically after some time
> it produces the same Exception.
> {code:title=MessageProducer.groovy|borderStyle=solid}
> import groovy.beans.ListenerList
> interface MessageListener {
> void messageReceived(byte[] msg)
> }
> class MessageProducer {
> @ListenerList
> List<MessageListener> listeners
> void produce(String msg) {
> fireMessageReceived(msg.getBytes())
> }
> }
> producer = new MessageProducer()
> producer.addMessageListener({ println it } as MessageListener)
> producer.produce('Groovy')
> {code}
> {code:title=Stacktrace|borderStyle=solid}
> Exception thrown
> java.lang.NoSuchMethodError: MessageProducer.fireMessageReceived([B)V
> at MessageProducer$fireMessageReceived$0.callCurrent(Unknown
> Source) at MessageProducer.produce(ConsoleScript0:12)
> at MessageProducer$produce.call(Unknown Source)
> at ConsoleScript0.run(ConsoleScript0:18
> {code}
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