# Dynamic resource writes does not work **URL:** \ **Category:** Elasticsearch\ **Tags:** es-hadoop\ **Created:** [November 28, 2017, 6:27am UTC](https://discuss.elastic.co/t/dynamic-resource-writes-does-not-work/109314 "2017-11-28T06:27:32Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![lea4n](https://avatars.discourse-cdn.com/v4/letter/l/8baadc/32.png) [@lea4n](https://discuss.elastic.co/u/lea4n)\ **Post date:** [November 28, 2017, 6:27am UTC](https://discuss.elastic.co/t/dynamic-resource-writes-does-not-work/109314/1 "2017-11-28T06:27:32Z")
We use es-hadoop in our storm topo, and get the index name from the data being streamed to Elasticsearch according to the doc. Unfortunately, It always report an error, the variable does not exist. My code is like ![image](https://us1.discourse-cdn.com/elastic/original/3X/7/e/7e169ffc9c3fb1b9564404755ffe45eccf73fbd2.png) and the error is like: ![image](https://us1.discourse-cdn.com/elastic/original/3X/b/d/bd579541a6f2723f192a47ae1d0e45edfb8b57cf.png) I am sure I had send one json object to the 'EsBolt' and with a variable 'instance\_id'. Help me please. ---
**Author:** ![james.baiera](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/james.baiera/32/10209_2.png) [@james.baiera](https://discuss.elastic.co/u/james.baiera)\ **Post date:** [November 28, 2017, 5:40pm UTC](https://discuss.elastic.co/t/dynamic-resource-writes-does-not-work/109314/2 "2017-11-28T17:40:35Z")
Can you include the full stack trace you are seeing? ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [December 26, 2017, 5:40pm UTC](https://discuss.elastic.co/t/dynamic-resource-writes-does-not-work/109314/3 "2017-12-26T17:40:52Z")
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