Hello, we have a wallet application using Multichain in production for asset management and transactions. Since last year Multichain has been running satisfactorily until on 01-28-2022 the main MC node crashed, we do not know what the reason for the crash is, we reviewed the MC log and did not find a specific reason. Attached part of the log at the time of the crash.
Log:
2022-01-28 00:39:50 MultiChainMiner: Block Found - 002036c71cec5d0d007932dec478635d5d850387c902ae8d43e8261c8aa4b0c4, prev: 00f5ec65e24ca0e31445daa722cbeb059e43e7322acb747e5ec87ec1eb87d545, height: 899756, txs: 6
2022-01-28 00:40:38 ResendWalletTransactions()
2022-01-28 00:40:38 Timeout downloading block 0070fec1205e35e65923680d842ec96b1771c70a78b77e2998320e5acf1bfaf9 from peer=19, disconnecting
2022-01-28 00:40:39 CommitTransaction: 463c14d4f1663e5bc9e3ab2634bd209a0f0a785343263269b380199f78332fa6, vin: 1, vout: 2
2022-01-28 00:40:39 mchn: Sending minimal parameter set to 172.31.0.32:39342
2022-01-28 00:40:39 receive version message: /MultiChain:0.2.0.12/: version 70002, blocks=899772, us=172.31.0.31:7185, peer=20
2022-01-28 00:41:22 UpdateTip: new best=002036c71cec5d0d007932dec478635d5d850387c902ae8d43e8261c8aa4b0c4 height=899756 log2_work=27.779176 tx=1026581 date=2022-01-28 00:39:49 progress=1.000000 cache=0
2022-01-28 00:41:22 mchn: Connection from 12nuNkY9N8WRtWt4pVoSKPAxo1MxM7B1u2peb6 received on peer=20 in verack
2022-01-28 00:41:22 mchn: Connection from 12nuNkY9N8WRtWt4pVoSKPAxo1MxM7B1u2peb6 received on peer=20 in verackack (172.31.0.32:39342)
2022-01-28 00:41:22 mchn: Parameter set from peer=20 verified
2022-01-28 00:41:22 ResendWalletTransactions()
2022-01-28 00:42:12 ResendWalletTransactions()
2022-01-28 00:42:13 MultiChainMiner: Block Found - 00c4c7b89dd90352ce20835ecc0d52c1e5d1088d57aaf7f75931d33ef1463e7a, prev: 002036c71cec5d0d007932dec478635d5d850387c902ae8d43e8261c8aa4b0c4, height: 899757, txs: 2
2022-01-28 00:43:12 ping timeout: 60.000686s
2022-01-28 00:43:24 UpdateTip: new best=00c4c7b89dd90352ce20835ecc0d52c1e5d1088d57aaf7f75931d33ef1463e7a height=899757 log2_work=27.779177 tx=1026583 date=2022-01-28 00:42:12 progress=1.000000 cache=0
2022-01-28 00:45:05 mchn: Sending minimal parameter set to 172.31.0.32:39344
2022-01-28 00:45:17 socket receive timeout: 61s
2022-01-28 00:45:54 socket send error Bad file descriptor (9)
2022-01-28 00:45:54 receive version message: /MultiChain:0.2.0.12/: version 70002, blocks=899783, us=172.31.0.31:7185, peer=22
2022-01-28 00:46:23 CommitTransaction: 59ec32e160eb7fcd6d1f29faad260a8b3a6c20ab0e116b4f2055f6da58dfba10, vin: 1, vout: 2
2022-01-28 00:47:10 mchn: Sending minimal parameter set to 172.31.0.32:39348
2022-01-28 00:47:10 receive version message: /MultiChain:0.2.0.12/: version 70002, blocks=899783, us=172.31.0.31:7185, peer=24
2022-01-28 00:48:02 mchn: Connection from 12nuNkY9N8WRtWt4pVoSKPAxo1MxM7B1u2peb6 received on peer=24 in verack
2022-01-28 00:48:11 socket sending timeout: 61s
2022-01-28 00:48:50 socket send error Bad file descriptor (9)