nodes are offline about geth-dev HOT 4 CLOSED

monitor-backend          | 2018-07-20 19:39 +00:00: [wsc] =✓= The socket connection has been established.
monitor-backend          | 2018-07-20 19:39 +00:00: [eth] =i= { id: 'gethDev1',
monitor-backend          |   stats:
monitor-backend          |    { active: true,
monitor-backend          |      syncing: false,
monitor-backend          |      mining: true,
monitor-backend          |      hashrate: 0,
monitor-backend          |      peers: 2,
monitor-backend          |      gasPrice: '18000000000',
monitor-backend          |      uptime: 100 } }
monitor-frontend         | 2018-07-20 19:39:28.120 [API] [STA] Stats from: gethDev1
monitor-frontend         | 2018-07-20 19:39:28.127 [API] [BLK] Block: 1 from: gethDev1
monitor-backend          | /usr/local/lib/node_modules/pm2/node_modules/pidusage/lib/procfile.js:26
monitor-backend          |     buf = Buffer.alloc(SIZE)
monitor-backend          |                  ^
monitor-backend          |
monitor-backend          | TypeError: Buffer.alloc is not a function
monitor-backend          |     at readUntilEnd (/usr/local/lib/node_modules/pm2/node_modules/pidusage/lib/procfile.js:26:18)
monitor-backend          |     at /usr/local/lib/node_modules/pm2/node_modules/pidusage/lib/procfile.js:67:5
monitor-backend          |     at FSReqWrap.oncomplete (fs.js:82:15