[infinispan-issues] [JBoss JIRA] (ISPN-3086) Infinite loop when creating more than two Distributed Cache nodes

Balazs Zsoldos (JIRA) jira-events at lists.jboss.org
Thu May 9 06:14:53 EDT 2013


Balazs Zsoldos created ISPN-3086:
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             Summary: Infinite loop when creating more than two Distributed Cache nodes
                 Key: ISPN-3086
                 URL: https://issues.jboss.org/browse/ISPN-3086
             Project: Infinispan
          Issue Type: Feature Request
          Components: JCache
    Affects Versions: 5.3.0.Beta1
            Reporter: Balazs Zsoldos
            Assignee: Mircea Markus


I created a very simple application based on https://docs.jboss.org/author/display/ISPN/Using+Infinispan+as+a+JCache+provider#UsingInfinispanasaJCacheprovider-ClusteringJCacheinstances

I changed the code to created distributed caches instead of replicated ones. It works until two nodes but if there are three nodes it starts an infinite loop.

*The modified XML contains:*

   <namedCache name="namedCache">
      <clustering mode="dist" />
   </namedCache>

*The modified java code contains:*

CacheManager cacheManager1 = Caching.getCacheManager(new TestClassLoader(tccl), "infinispan-jcache-cluster.xml");

CacheManager cacheManager2 = Caching.getCacheManager(new TestClassLoader(tccl), "infinispan-jcache-cluster.xml");

CacheManager cacheManager3 = Caching.getCacheManager(new TestClassLoader(tccl), "infinispan-jcache-cluster.xml");

*Symptom:*

The code waits on the third command while there is an infinite loop on a background thread. I guess the benefit of distribution would come with more than two nodes but I cannot test it due to the problem above.

Although I used infinispan via JCache I think this issue is not related to the JCache API but it comes from the infinispan core.

*BTW:* Distributed caches seem to me about 30% slower than replicated caches concerning to put and delete functions with two nodes. I guess the 

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