In \Log\gc\out.log the following message appears :
[2017-04-06 15:24:00.546] [ERROR] nodeJS - checkDocumentExpire error:
AbortError: EXEC can't be processed. The connection is already closed.
at handle_offline_command (C:\Program Files\ONLYOFFICE\DocumentServer\server\docservice\node_modules\redis\index.js:843:15)
at RedisClient.internal_send_command (C:\Program Files\ONLYOFFICE\DocumentServer\server\docservice\node_modules\redis\index.js:877:9)
at Multi.exec_transaction (C:\Program Files\ONLYOFFICE\DocumentServer\server\docservice\node_modules\redis\lib\multi.js:115:18)
at C:\Program Files\ONLYOFFICE\DocumentServer\server\Common\sources\utils.js:423:10
at Object.exports.promiseRedis (C:\Program Files\ONLYOFFICE\DocumentServer\server\Common\sources\utils.js:415:10)
at C:\Program Files\ONLYOFFICE\DocumentServer\server\docservice\sources\gc.js:74:33
at next (native)
at onFulfilled (C:\Program Files\ONLYOFFICE\DocumentServer\server\docservice\node_modules\co\index.js:65:19)
at C:\Program Files\ONLYOFFICE\DocumentServer\server\docservice\node_modules\co\index.js:54:5
at co (C:\Program Files\ONLYOFFICE\DocumentServer\server\docservice\node_modules\co\index.js:50:10)
Someone else had the same issue but there was no satisfying aswer :
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