[jira] [Created] (IGNITE-2554) Affinity.mapKeyToNode() method throw "ArithmeticException: / by zero" for LOCAL cache

[Artem Shutak (JIRA)]

Artem Shutak created IGNITE-2554:
------------------------------------

             Summary: Affinity.mapKeyToNode() method throw 
"ArithmeticException: / by zero" for LOCAL cache
                 Key: IGNITE-2554
                 URL: https://issues.apache.org/jira/browse/IGNITE-2554
             Project: Ignite
          Issue Type: Bug
            Reporter: Artem Shutak
            Priority: Minor


Affinity.mapKeyToNode() method throw "ArithmeticException: / by zero" for LOCAL 
cache.

The following code 
{code}
    public static void main(String[] args) {
        try (Ignite ignite = Ignition.start(new IgniteConfiguration())) {
            CacheConfiguration cc = new CacheConfiguration();

            cc.setCacheMode(LOCAL);
            cc.setName("myCache");

            ignite.getOrCreateCache(cc);

            ignite.affinity("myCache").mapKeyToNode("myKey");
        }
    }
{code}

Produce the following exception.

{noformat}
Exception in thread "main" java.lang.ArithmeticException: / by zero
        at 
org.apache.ignite.internal.processors.cache.affinity.GridCacheAffinityImpl.mapKeysToNodes(GridCacheAffinityImpl.java:210)
        at 
org.apache.ignite.internal.processors.cache.affinity.GridCacheAffinityImpl.mapKeyToNode(GridCacheAffinityImpl.java:187)
        at main
{noformat}

The issue is {{cctx.discovery().cacheAffinityNodes(cctx.name(), topVer)}} 
returns empty nodes collection.



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