Sync Error - Alonzo Purple Testnet

I’m in the process of configuring a testnet environment to run some tests on a Smart Contract I’m working on and am stuck in the sync at about the hardfork it looks like. The error is: cardanod:cardano.node.DnsSubscription

I’m on 1.29.0 for the node and cli, appear to have the latest Alonzo config and installed the node and cli via nix-build. The system is Ubuntu 20. Not sure if the entire error is necessary but I’m happy to share it if it helps.

I’m following the guidance from here: 1. AWS Node Setup — Plutus Pioneer Program Lecture Notes documentation starting at 1.3 as this is a vm not an aws.

journalct -e -f -u cardano-node or cnode

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Here is the error showing up in the output (I’m not using cnode or cardano-node via systemd just running the command in a terminal…get’s to about 94% sync)

[cardanod:cardano.node.ErrorPolicy:Notice:51] [2021-09-17 19:19:20.03 UTC] IP 35.76.48.104:3001 ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {seType = SubscriberParallelConnectionCancelled, seMessage = "Parallel connection cancelled", seStack = []}))) 1s
[cardanod:cardano.node.DnsSubscription:Debug:53] [2021-09-17 19:19:20.03 UTC] Domain: "relays.alonzo-purple.dev.cardano.org" Required subscriptions started
[cardanod:cardano.node.DnsSubscription:Error:68] [2021-09-17 19:19:21.35 UTC] Domain: "relays.alonzo-purple.dev.cardano.org" Application Exception: 3.64.236.32:3001 HeaderError (At (Block {blockPointSlot = SlotNo 2261160, blockPointHash = f9dee539ef2f498021a0ff5bb522849da957a33e81be5f01d9bd687140d81b37})) (HeaderEnvelopeError (OtherHeaderEnvelopeError (HardForkEnvelopeErrFromEra S (S (S (S (Z (WrapEnvelopeErr {unwrapEnvelopeErr = ObsoleteNodeCHAIN 6 5})))))))) (Tip (SlotNo 2260421) 189fffb36bab15961e7ba02291d870f37e7d24eaca5b55850902bd5030233746 (BlockNo 104605)) (Tip (SlotNo 2424320) 5a2541324aeea907e458d504b77f3a5a0c580fcb02df1a2a2bd0e3634024df58 (BlockNo 111674))
[cardanod:cardano.node.DnsSubscription:Debug:68] [2021-09-17 19:19:21.35 UTC] Domain: "relays.alonzo-purple.dev.cardano.org" Closed socket to 3.64.236.32:3001
[cardanod:cardano.node.ErrorPolicy:Warning:51] [2021-09-17 19:19:21.35 UTC] IP 3.64.236.32:3001 ErrorPolicySuspendPeer (Just (ApplicationExceptionTrace (HeaderError (At (Block {blockPointSlot = SlotNo 2261160, blockPointHash = f9dee539ef2f498021a0ff5bb522849da957a33e81be5f01d9bd687140d81b37})) (HeaderEnvelopeError (OtherHeaderEnvelopeError (HardForkEnvelopeErrFromEra S (S (S (S (Z (WrapEnvelopeErr {unwrapEnvelopeErr = ObsoleteNodeCHAIN 6 5})))))))) (Tip (SlotNo 2260421) 189fffb36bab15961e7ba02291d870f37e7d24eaca5b55850902bd5030233746 (BlockNo 104605)) (Tip (SlotNo 2424320) 5a2541324aeea907e458d504b77f3a5a0c580fcb02df1a2a2bd0e3634024df58 (BlockNo 111674))))) 200s 200s
[cardanod:cardano.node.DnsSubscription:Debug:53] [2021-09-17 19:19:22.35 UTC] Domain: "relays.alonzo-purple.dev.cardano.org" Restarting Subscription after 2.609692103s desired valency 1 current valency 0

I see “ObsoleteNodeChain” in there, but the config files appear correct, so not sure what’s up - is there a better place to get up-to-date instructions on the testnet node setup?

I know your issue :slight_smile: wait

Download again the files from here and restart the node

https://hydra.iohk.io/build/7654130/download/1/index.html

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done, resyncing now . . . taking a LOT longer to sync, this seems more right :slight_smile: thank you, will update later when it finishes

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Worked! Thank you!

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I am facing the same issue. Downloaded all the mentioned files, but still the same error:

[danicuki:cardano.node.ErrorPolicy:Notice:52] [2021-10-13 16:48:29.62 UTC] IP 54.250.11.33:3001 ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {seType = SubscriberParallelConnectionCancelled, seMessage = "Parallel connection cancelled", seStack = []}))) 1s
[danicuki:cardano.node.ErrorPolicy:Notice:52] [2021-10-13 16:48:29.62 UTC] IP 18.132.238.21:3001 ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {seType = SubscriberParallelConnectionCancelled, seMessage = "Parallel connection cancelled", seStack = []}))) 1s
[danicuki:cardano.node.ErrorPolicy:Notice:52] [2021-10-13 16:48:29.62 UTC] IP 18.159.64.253:3001 ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {seType = SubscriberParallelConnectionCancelled, seMessage = "Parallel connection cancelled", seStack = []}))) 1s
[danicuki:cardano.node.ErrorPolicy:Notice:52] [2021-10-13 16:48:29.62 UTC] IP 54.241.77.32:3001 ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {seType = SubscriberParallelConnectionCancelled, seMessage = "Parallel connection cancelled", seStack = []}))) 1s
[danicuki:cardano.node.ErrorPolicy:Notice:52] [2021-10-13 16:48:29.63 UTC] IP 54.151.49.138:3001 ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {seType = SubscriberParallelConnectionCancelled, seMessage = "Parallel connection cancelled", seStack = []}))) 1s
[danicuki:cardano.node.DnsSubscription:Error:112] [2021-10-13 16:48:30.29 UTC] Domain: "relays-new.cardano-testnet.iohkdev.io" Application Exception: 3.128.220.55:3001 HeaderError (At (Block {blockPointSlot = SlotNo 39614475, blockPointHash = 1acb3ab3338115eb485e8ae73e8abc24b2c48f2ddb4880bd85ca586aa6dcfd5b})) (HeaderEnvelopeError (OtherHeaderEnvelopeError (HardForkEnvelopeErrFromEra S (S (S (S (Z (WrapEnvelopeErr {unwrapEnvelopeErr = ObsoleteNodeCHAIN 6 5})))))))) (Tip (SlotNo 39614381) 809a09ac9273bf7c468622c0f6f480deb8f81946c4381e7dbdf1aae63195c678 (BlockNo 2984847)) (Tip (SlotNo 39774427) bd48afea977bc086e9329a6de76ce094ff20c0a960c6e9e7e761c4322d6e3392 (BlockNo 2989605))
[danicuki:cardano.node.ErrorPolicy:Warning:52] [2021-10-13 16:48:30.29 UTC] IP 3.128.220.55:3001 ErrorPolicySuspendPeer (Just (ApplicationExceptionTrace (HeaderError (At (Block {blockPointSlot = SlotNo 39614475, blockPointHash = 1acb3ab3338115eb485e8ae73e8abc24b2c48f2ddb4880bd85ca586aa6dcfd5b})) (HeaderEnvelopeError (OtherHeaderEnvelopeError (HardForkEnvelopeErrFromEra S (S (S (S (Z (WrapEnvelopeErr {unwrapEnvelopeErr = ObsoleteNodeCHAIN 6 5})))))))) (Tip (SlotNo 39614381) 809a09ac9273bf7c468622c0f6f480deb8f81946c4381e7dbdf1aae63195c678 (BlockNo 2984847)) (Tip (SlotNo 39774427) bd48afea977bc086e9329a6de76ce094ff20c0a960c6e9e7e761c4322d6e3392 (BlockNo 2989605))))) 200s 200s
[danicuki:cardano.node.DnsSubscription:Error:109] [2021-10-13 16:48:30.58 UTC] Domain: "relays-new.cardano-testnet.iohkdev.io" Application Exception: 52.58.117.45:3001 HeaderError (At (Block {blockPointSlot = SlotNo 39614475, blockPointHash = 1acb3ab3338115eb485e8ae73e8abc24b2c48f2ddb4880bd85ca586aa6dcfd5b})) (HeaderEnvelopeError (OtherHeaderEnvelopeError (HardForkEnvelopeErrFromEra S (S (S (S (Z (WrapEnvelopeErr {unwrapEnvelopeErr = ObsoleteNodeCHAIN 6 5})))))))) (Tip (SlotNo 39614381) 809a09ac9273bf7c468622c0f6f480deb8f81946c4381e7dbdf1aae63195c678 (BlockNo 2984847)) (Tip (SlotNo 39774427) bd48afea977bc086e9329a6de76ce094ff20c0a960c6e9e7e761c4322d6e3392 (BlockNo 2989605))
[danicuki:cardano.node.ErrorPolicy:Warning:52] [2021-10-13 16:48:30.58 UTC] IP 52.58.117.45:3001 ErrorPolicySuspendPeer (Just (ApplicationExceptionTrace (HeaderError (At (Block {blockPointSlot = SlotNo 39614475, blockPointHash = 1acb3ab3338115eb485e8ae73e8abc24b2c48f2ddb4880bd85ca586aa6dcfd5b})) (HeaderEnvelopeError (OtherHeaderEnvelopeError (HardForkEnvelopeErrFromEra S (S (S (S (Z (WrapEnvelopeErr {unwrapEnvelopeErr = ObsoleteNodeCHAIN 6 5})))))))) (Tip (SlotNo 39614381) 809a09ac9273bf7c468622c0f6f480deb8f81946c4381e7dbdf1aae63195c678 (BlockNo 2984847)) (Tip (SlotNo 39774427) bd48afea977bc086e9329a6de76ce094ff20c0a960c6e9e7e761c4322d6e3392 (BlockNo 2989605))))) 200s 200s

Try to delete the db and let the node to sync again… or copy the db from another working node

Something I did later is discovered the guide by coincashew and followed it, but replaced mainnet with testnet and/or testnet-magic as per the instructions on the guide. Then just stopped short after I got it up and running (didn’t go on to do the staking server instructions of course). (link)