Websocket abnormal closure
After long time running, the development oracle fails with this error log:
2020-11-02T13:26:44Z INFO middleware/logger.go:150 "GET http://oracle.dev.vocdoni.net:9090/metrics HTTP/1.1" from 95.217.216.185:40962 - 200 4054B in 4.986652ms
2020-11-02T13:26:51Z INFO keykeeper/keykeeper.go:131 [keykeeper] scheduled keys 0
2020-11-02T13:26:51Z INFO service/vochain.go:174 [vochain info] height:1535914 mempool:0 peers:11 processTree:2 voteTree:2200 voteCache:0 blockTime:{1m:3.00}
2020-11-02T13:27:04Z INFO chain/chain.go:291 [ethereum info] synced:true height:17620182/17620182 peers:1 mode:external
2020-11-02T13:27:04Z INFO middleware/logger.go:150 "GET http://oracle.dev.vocdoni.net:9090/metrics HTTP/1.1" from 95.217.216.185:40962 - 200 4046B in 6.963133ms
2020-11-02T13:27:09Z FATAL ethevents/events.go:171 websocket: close 1006 (abnormal closure): unexpected EOF
gitlab.com/vocdoni/go-dvote/log.Fatal
/src/log/log.go:132
gitlab.com/vocdoni/go-dvote/chain/ethevents.(*EthereumEvents).SubscribeEthereumEventLogs
/src/chain/ethevents/events.go:171
gitlab.com/vocdoni/go-dvote/service.EthEvents.func1
/src/service/ethevents.go:38
No sure if this has something to do with the changes added for the notification service @jordipainan ??