docker gitlab意外强制关机导致gitlab启动后报错unexpected end of JSON input

报错如下

2019-03-20_09:49:06.47576 level=error ts=2019-03-20T09:49:06.475516078Z caller=main.go:624 
err="opening storage failed: block dir: "/var/opt/gitlab/prometheus/data/01D5NZDASZAAB4ECFSPQEZCSTE": unexpected end of JSON input"

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