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  1. Red Hat Data Grid
  2. JDG-5542

REST keys call fails based on value type

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      Configure a cache with a value encoding not convertable to JSON, such as:

      "encoding": {
        "key": {"media-type": "text/plain"},
        "value": {"media-type": "application/xml"}
      } 

      Then make a REST keys call: 

      GET /rest/v2/caches/{cacheName}?action=keys
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      Configure a cache with a value encoding not convertable to JSON, such as: "encoding": {         "key": {"media-type": "text/plain"},         "value": {"media-type": "application/xml"}       }  Then make a REST keys call:  GET / rest /v2/caches/{cacheName}?action=keys

      If a cache has a value media-type not convertable to JSON, a REST call to retrieve keys gets an exception.

      Caused by: org.infinispan.commons.dataconversion.EncodingException: ISPN000492: Cannot find transcoder between 'application/json' to 'application/xml'

      This is because of org.infinispan.rest.resources.CacheResourceV2#streamKeys:

      Cache<?, ?> cache = invocationHelper.getRestCacheManager().getCache(cacheName, APPLICATION_JSON, APPLICATION_JSON, request);

      It does not use the value, so there is no reason to require it to be convertable to JSON. 

            rh-ee-jbolina Jose Bolina
            rhn-support-dereed Dennis Reed
            Fabrizio Asta Fabrizio Asta
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              Created:
              Updated:
              Resolved: