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From veyroke <rodolfo.picha...@pega.com>
Subject Creating a distributed cache via cacheManager (JCACHE)
Date Wed, 30 Nov 2016 21:30:30 GMT
Hi Val,

My team is working on a cache component, we want to take advantage of
JSR-107. So instead of creating the cache via the Ignite.getOrCreate(..), a
*cacheManager * gets exposed instead.

 I followed your recommendation on 
to create a cache via JCACHE.

However, the cache gets created as a *local *cache, instead of a
*distributed *one. I guess i may be missing something in my

My POC code looks as follows:

 /private static Cache<String, String> *configureJCache*(Ignite ignite) {	
    javax.cache.spi.CachingProvider cachingProvider =

   CacheManager cacheMgr = cachingProvider.getCacheManager();
   CacheConfiguration<String, String> cfg = new CacheConfiguration<>();

   return cacheMgr.createCache("cache", cfg);

The cluster gets programmatically configured, and it is started before
calling the above method as follows:

  /  Ignite ignite = configureAndStartCluster(arguments);
   mCache = *configureJCache*(ignite);/

IgniteVisor shows the following topology

/visor> top
Hosts: 1
|  Int./Ext. IPs  |   Node ID8(@)    | Node Type |         OS          |
CPUs |          MACs           | CPU Load |
| 0:0:0:0:0:0:0:1 | 1: D4515BF8(@n0) | Server    | Windows 7 amd64 6.1 | 8   
| A4:4E:31:CA:1C:0C       | 0.00 %   |/

but no cache available.

/visor> cache
(wrn) <visor>: No caches found./

I also started a two-server cluster, and put an element into the cache in
Node1. Node2 ,however, complains that the cache does not exist when trying
to get a value.

The Ignite version is 1.7, running on windows OS.  As mentioned earlier the
cluster get programmatically configured , no XML involved. The configuration
looks as follows;

/IgniteConfiguration cfg           = new IgniteConfiguration();
TcpDiscoverySpi discovery           = new TcpDiscoverySpi();
TcpDiscoveryVmIpFinder ipFinder = new TcpDiscoveryVmIpFinder();	
"" ));

Any pointer on what i may be missing would be greatly appreciated. 

Thank you
P.S I also validate the the Ignite cachingProvider was registered.


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