# I receive input messages but not output messages **URL:** \ **Category:** Graylog Central (peer support)\ **Created:** [September 1, 2017, 7:12pm UTC](https://community.graylog.org/t/i-receive-input-messages-but-not-output-messages/2334 "2017-09-01T19:12:19Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![habibmbacfou](https://avatars.discourse-cdn.com/v4/letter/h/dc4da7/32.png) [@habibmbacfou](https://community.graylog.org/u/habibmbacfou)\ **Post date:** [September 1, 2017, 7:12pm UTC](https://community.graylog.org/t/i-receive-input-messages-but-not-output-messages/2334/1 "2017-09-01T19:12:19Z")
Hello guys! I have a weird problem with my graylog. since 4 hours I receive inputs messages but i have no output messages so i don’t get any messages on my streams. All the services are is ok (Graylog, elasticsearch…) but i cannot see any message from 4hours ago. I stopped receiving outputs after this index error " {“type”:“unavailable\_shards\_exception”,“reason”:"[graylog\_0][0] primary shard is not active Timeout: [1m], request: [BulkShardRequest [[graylog\_0][0]] ". Any ideas please ? ![00](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/1X/29a070885fb270ae3855b7e4fd431623db9da7e5.png) ---
**Author:** ![jan](https://sea2.discourse-cdn.com/flex016/user_avatar/community.graylog.org/jan/32/11_2.png) [@jan](https://community.graylog.org/u/jan)\ **Post date:** [September 2, 2017, 9:30am UTC](https://community.graylog.org/t/i-receive-input-messages-but-not-output-messages/2334/2 "2017-09-02T09:30:56Z")
something is strange with your elasticsearch. ---
**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/graylog/original/3X/c/7/c7c09c6b5099570133d6502b83f50ba4430de5b6.png) [@system](https://community.graylog.org/u/system)\ **Post date:** [September 16, 2017, 9:44am UTC](https://community.graylog.org/t/i-receive-input-messages-but-not-output-messages/2334/3 "2017-09-16T09:44:28Z")
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