Runnig relay from 0 causes BatchError

[ksemaev]

When I start docker from 0, I got this error:

[2019-07-17 07:23:50.410] INFO : Downloaded 10000 new blocks accounting for a total of 2544 transactions
[2019-07-17 07:23:50.456] INFO : Starting Round 2
[2019-07-17 07:23:50.461] INFO : Saving round 2
[2019-07-17 07:23:50.463] INFO : Blockchain download paused
[2019-07-17 07:23:50.468] WARN : Refused new block {"version":0,"timestamp":10952,"height":51,"previousBlockHex":"1691448073d4b2f2","previousBlock":"1626156258947281650","numberOfTransactions":0,"totalAmount":"0","totalFee":"0","reward":"0","payloadLength":0,"payloadHash":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","generatorPublicKey":"0384e505b25eaac812f8acbaa1ecd09e2ca4b5d973210189a39dc48d2a8f908780","blockSignature":"3045022100e5b712418e91695e97827342391b465f5bc6ce630733cbd8b6f76bbebcc99f24022045a64eb2fe2ca1a6c8a83794a5fbe0473d694e0cbc892ee419a27114c0e6d9ea","idHex":"eef61855c18d918c","id":"17218976981896237452"}
[2019-07-17 07:23:50.476] ERROR: duplicate key value violates unique constraint "blocks_pkey"
[2019-07-17 07:23:50.476] ERROR: Could not save 49 blocks to database : BatchError: duplicate key value violates unique constraint "blocks_pkey"
at check (/home/node/.config/yarn/global/node_modules/spex/lib/ext/batch.js:136:32)
at step (/home/node/.config/yarn/global/node_modules/spex/lib/ext/batch.js:110:17)
at /home/node/.config/yarn/global/node_modules/spex/lib/ext/batch.js:85:17
at /home/node/.config/yarn/global/node_modules/spex/lib/utils/index.js:64:25
[2019-07-17 07:23:50.478] INFO : Reverting 49 blocks back to last height: 1602
(node:23) UnhandledPromiseRejectionWarning: AssertionError [ERR_ASSERTION]: The expression evaluated to a falsy value:

assert_1.default(block.data.height - 1 <= this.lastBlocks.last().data.height)

at StateStore.setLastBlock (/home/node/.config/yarn/global/node_modules/@arkecosystem/core-state/dist/stores/state.js:89:29)
at Blockchain.processBlocks (/home/node/.config/yarn/global/node_modules/@arkecosystem/core-blockchain/dist/blockchain.js:321:28)

(node:23) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:23) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

Can you please suggest what may cause it?

[ghost]

Thanks for opening this issue! A maintainer will review this in the next few days and explicitly select labels so you know what's going on.

If no reviewer appears after a week, a reminder will be sent out.

[ksemaev]

NM, it was several nodes pointing to 1 PG db, my mistake

[ghost]

This issue has been closed. If you wish to re-open it please provide additional information.