[infinispan-issues] [JBoss JIRA] (ISPN-8140) Getting IndexOutOfBoundsException when retrieving WeakCounter

[Martin Gencur (JIRA)]

Martin Gencur created ISPN-8140:
-----------------------------------

             Summary: Getting IndexOutOfBoundsException when retrieving WeakCounter
                 Key: ISPN-8140
                 URL: https://issues.jboss.org/browse/ISPN-8140
             Project: Infinispan
          Issue Type: Bug
          Components: Clustered Counter
    Affects Versions: 9.1.0.Final
            Reporter: Martin Gencur
            Assignee: Pedro Ruivo


Calling getWeakCounter on EmbeddedCounterManager leads to the following exception:
{code}
java.lang.ArrayIndexOutOfBoundsException: 0
        at org.infinispan.counter.impl.weak.WeakCounterImpl.registerListener(WeakCounterImpl.java:228) ~[infinispan-clustered-counter-9.1.0.Final.jar:9.1.0.Final]
        at org.infinispan.counter.impl.weak.WeakCounterImpl.init(WeakCounterImpl.java:105) ~[infinispan-clustered-counter-9.1.0.Final.jar:9.1.0.Final]
        at org.infinispan.counter.impl.manager.EmbeddedCounterManager.createWeakCounter(EmbeddedCounterManager.java:66) ~[infinispan-clustered-counter-9.1.0.Final.jar:9.1.0.Final]
        at org.infinispan.counter.impl.manager.EmbeddedCounterManager.createCounter(EmbeddedCounterManager.java:129) ~[infinispan-clustered-counter-9.1.0.Final.jar:9.1.0.Final]
        at org.infinispan.counter.impl.manager.EmbeddedCounterManager$$Lambda$320/1622399598.apply(Unknown Source) ~[?:?]
        at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660) ~[?:1.8.0_40]
        at org.infinispan.counter.impl.manager.EmbeddedCounterManager.getWeakCounter(EmbeddedCounterManager.java:94) ~[infinispan-clustered-counter-9.1.0.Final.jar:9.1.0.Final]
        at org.radargun.service.Infinispan91WeakCounterOperations.getWeakCounter(Infinispan91WeakCounterOperations.java:22) ~[plugin-infinispan91-3.0.0-SNAPSHOT.jar:?]
        at org.radargun.stages.WeakCounterTestStage$WeakCounterLogic.init(WeakCounterTestStage.java:59) ~[radargun-counter-3.0.0-SNAPSHOT.jar:?]
        at org.radargun.stages.test.Stressor.run(Stressor.java:65) [radargun-core-3.0.0-SNAPSHOT.jar:?]
{code}
The counter has this configuration: 
{code}
<counters xmlns="urn:infinispan:config:counters:9.0" num-owners="2" reliability="CONSISTENT">
         <weak-counter name="c5" initial-value="5" storage="VOLATILE" concurrency-level="1"/>
</counters>
{code}



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