[infinispan-issues] [JBoss JIRA] (ISPN-1706) Cannot disable the L1 Cache in some special cases

[Nicolas Filotto (JIRA)]

Nicolas Filotto created ISPN-1706:
-------------------------------------

             Summary: Cannot disable the L1 Cache in some special cases
                 Key: ISPN-1706
                 URL: https://issues.jboss.org/browse/ISPN-1706
             Project: Infinispan
          Issue Type: Bug
          Components: Core API
    Affects Versions: 5.1.0.CR3
            Reporter: Nicolas Filotto
            Assignee: Manik Surtani


In some specific cases, if we want to define a configuration in which we disabled the L1 cache and the property onRehash, we can still face the following exception:
{code}
org.infinispan.config.ConfigurationException: Can only move entries to L1 on rehash when L1 is enabled
	at org.infinispan.config.ConfigurationValidatingVisitor.visitL1Type(ConfigurationValidatingVisitor.java:99)
	at org.infinispan.config.DelegatingConfigurationVisitor.visitL1Type(DelegatingConfigurationVisitor.java:183)
	at org.infinispan.config.Configuration$L1Type.accept(Configuration.java:3698)
	at org.infinispan.config.Configuration$ClusteringType.accept(Configuration.java:2462)
	at org.infinispan.config.Configuration.accept(Configuration.java:1459)
	at org.infinispan.manager.DefaultCacheManager.wireCache(DefaultCacheManager.java:655)
	at org.infinispan.manager.DefaultCacheManager.createCache(DefaultCacheManager.java:618)
	at org.infinispan.manager.DefaultCacheManager.getCache(DefaultCacheManager.java:514)
{code}

See below a TestCase that represents one way to face this issue:

{code}
   public void testConfig()
   {
      GlobalConfigurationBuilder gcb = GlobalConfigurationBuilder.defaultClusteredBuilder();
      ConfigurationBuilder cb = new ConfigurationBuilder();
      DefaultCacheManager manager = new DefaultCacheManager(gcb.build(), cb.build());
      cb = new ConfigurationBuilder();
      cb.clustering().cacheMode(CacheMode.DIST_SYNC).l1().disable().disableOnRehash();
      manager.defineConfiguration("testConfigCache", cb.build());
      manager.getCache("testConfigCache");
   }
{code}

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