# Shield problems "Transport response handler not found"

**URL:** <https://discuss.elastic.co/t/shield-problems-transport-response-handler-not-found/60854>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-security\
**Created:** [September 19, 2016, 9:18am UTC](https://discuss.elastic.co/t/shield-problems-transport-response-handler-not-found/60854 "2016-09-19T09:18:43Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![jaymode](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jaymode/32/50103_2.png) [@jaymode](https://discuss.elastic.co/u/jaymode)\
**Post date:** [September 19, 2016, 11:09am UTC](https://discuss.elastic.co/t/shield-problems-transport-response-handler-not-found/60854/2 "2016-09-19T11:09:03Z")

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Do you have a license installed in the cluster or are you using a trial license? You can check by issuing a GET /\_license and seeing what that returns

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_[View the full topic](https://discuss.elastic.co/t/shield-problems-transport-response-handler-not-found/60854)._