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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

    Description

      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. 

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          Enhancement - An enhancement to or refactoring of existing functionality that is not configurable by an end user (typically a change made by an internal team that affects users) ISPN-14100 REST keys operation cache value should match all

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed

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              rh-ee-jbolina Jose Bolina
              rhn-support-dereed Dennis Reed
              Fabrizio Asta Fabrizio Asta
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