Frigo Pratser created GROOVY-8110:
-------------------------------------
Summary: @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: 2.4.8, 2.4.7
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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