# Host addr 0.0.0.0 causes ErrorPolicySuspendConsumer, Application Exception **URL:** \ **Category:** Operate a Stake Pool\ **Created:** [18 January 2021 20:21 UTC](https://forum.cardano.org/t/host-addr-0-0-0-0-causes-errorpolicysuspendconsumer-application-exception/44987 "2021-01-18T20:21:02Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![devcap](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/devcap/32/2088_2.png) [@devcap](https://forum.cardano.org/u/devcap)\ **Post date:** [18 January 2021 20:21 UTC](https://forum.cardano.org/t/host-addr-0-0-0-0-causes-errorpolicysuspendconsumer-application-exception/44987/1 "2021-01-18T20:21:02Z")
Using my external IP did not work (“cannot assign requested address”), so I found suggestions to use 0.0.0.0 or 127.0.0.1 ### How to Reproduce GCP compute engine - medium 2Core 4GB Ram 10GB disk - allow HTTP and HTTPS - stake pool course instructions for build from source ```auto cardano-node run \ --topology testnet-topology.json \ --database-path db \ --socket-path db/node.socket \ --host-addr 0.0.0.0 \ --port 3001 \ --config testnet-config.json ``` I get the following errors repeatedly: - ErrorPolicySuspendConsumer - ApplicationException - ErrorPolicySuspendPeer Then I run this from a different shell: `cardano-cli shelley query tip --testnet-magic 1097911063` and the output is: ```auto WARNING: The "shelley" subcommand is now deprecated and will be removed in the future. Please use the top-level commands instead. { "genesis": true } ``` ### Full Node Output ```auto Listening on http://127.0.0.1:12798 [dev-1:cardano.node.networkMagic:Notice:5] [2021-01-18 20:15:26.72 UTC] NetworkMagic 1097911063 [dev-1:cardano.node.basicInfo.protocol:Notice:5] [2021-01-18 20:15:26.72 UTC] Shelley [dev-1:cardano.node.basicInfo.version:Notice:5] [2021-01-18 20:15:26.72 UTC] 1.24.2 [dev-1:cardano.node.basicInfo.commit:Notice:5] [2021-01-18 20:15:26.72 UTC] 400d18092ce604352cf36fe5f105b0d7c78be074 [dev-1:cardano.node.basicInfo.nodeStartTime:Notice:5] [2021-01-18 20:15:26.72 UTC] 2021-01-18 20:15:26.724668896 UTC [dev-1:cardano.node.basicInfo.systemStartTime:Notice:5] [2021-01-18 20:15:26.72 UTC] 2019-07-24 20:20:16 UTC [dev-1:cardano.node.basicInfo.slotLengthShelley:Notice:5] [2021-01-18 20:15:26.72 UTC] 1s [dev-1:cardano.node.basicInfo.epochLengthShelley:Notice:5] [2021-01-18 20:15:26.72 UTC] 432000 [dev-1:cardano.node.basicInfo.slotsPerKESPeriodShelley:Notice:5] [2021-01-18 20:15:26.72 UTC] 129600 [dev-1:cardano.node.addresses:Notice:5] [2021-01-18 20:15:26.75 UTC] [SocketInfo 0.0.0.0:3001] [dev-1:cardano.node.diffusion-mode:Notice:5] [2021-01-18 20:15:26.75 UTC] InitiatorAndResponderDiffusionMode [dev-1:cardano.node.dns-producers:Notice:5] [2021-01-18 20:15:26.75 UTC] [DnsSubscriptionTarget {dstDomain = "relays-new.cardano-testnet.iohkdev.io", dstPort = 3001, dstValency = 2}] [dev-1:cardano.node.ip-producers:Notice:5] [2021-01-18 20:15:26.75 UTC] IPSubscriptionTarget {ispIps = [], ispValency = 0} [dev-1:cardano.node.ChainDB:Info:5] [2021-01-18 20:15:26.76 UTC] Opened imm db with immutable tip at genesis (origin) and chunk 0 [dev-1:cardano.node.ChainDB:Info:5] [2021-01-18 20:15:26.76 UTC] Opened vol db [dev-1:cardano.node.ChainDB:Info:5] [2021-01-18 20:15:26.76 UTC] Replaying ledger from genesis [dev-1:cardano.node.ChainDB:Info:5] [2021-01-18 20:15:26.76 UTC] Opened lgr db [dev-1:cardano.node.ChainDB:Info:5] [2021-01-18 20:15:26.76 UTC] Opened db with immutable tip at genesis (origin) and tip genesis (origin) [dev-1:cardano.node.DnsSubscription:Notice:58] [2021-01-18 20:15:26.78 UTC] [String "Connection Attempt Start, destination 13.250.156.57:3001",String "Subscrip tionTrace",String "\"relays-new.cardano-testnet.iohkdev.io\""] [dev-1:cardano.node.DnsSubscription:Notice:59] [2021-01-18 20:15:26.81 UTC] [String "Connection Attempt Start, destination 18.177.214.255:3001",String "Subscri ptionTrace",String "\"relays-new.cardano-testnet.iohkdev.io\""] [dev-1:cardano.node.DnsSubscription:Notice:60] [2021-01-18 20:15:26.84 UTC] [String "Connection Attempt Start, destination 18.132.238.21:3001",String "Subscrip tionTrace",String "\"relays-new.cardano-testnet.iohkdev.io\""] [dev-1:cardano.node.DnsSubscription:Notice:61] [2021-01-18 20:15:26.86 UTC] [String "Connection Attempt Start, destination 3.128.220.55:3001",String "Subscript ionTrace",String "\"relays-new.cardano-testnet.iohkdev.io\""] [dev-1:cardano.node.DnsSubscription:Notice:61] [2021-01-18 20:15:26.89 UTC] [String "Connection Attempt End, destination 3.128.220.55:3001 outcome: ConnectSucc ess",String "SubscriptionTrace",String "\"relays-new.cardano-testnet.iohkdev.io\""] [dev-1:cardano.node.DnsSubscription:Notice:62] [2021-01-18 20:15:26.89 UTC] [String "Connection Attempt Start, destination 3.9.80.183:3001",String "Subscriptio nTrace",String "\"relays-new.cardano-testnet.iohkdev.io\""] [dev-1:cardano.node.DnsSubscription:Notice:76] [2021-01-18 20:15:26.91 UTC] [String "Connection Attempt Start, destination 3.127.103.85:3001",String "Subscript ionTrace",String "\"relays-new.cardano-testnet.iohkdev.io\""] [dev-1:cardano.node.DnsSubscription:Notice:60] [2021-01-18 20:15:26.93 UTC] [String "Connection Attempt End, destination 18.132.238.21:3001 outcome: ConnectSuc cessLast",String "SubscriptionTrace",String "\"relays-new.cardano-testnet.iohkdev.io\""] [dev-1:cardano.node.ErrorPolicy:Notice:48] [2021-01-18 20:15:26.93 UTC] [String "ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {s eType = SubscriberParallelConnectionCancelled, seMessage = \"Parallel connection cancelled\", seStack = []}))) 1s",String "ErrorPolicyTrace",String "13.250.156 .57:3001"] [dev-1:cardano.node.ErrorPolicy:Notice:48] [2021-01-18 20:15:26.93 UTC] [String "ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {s eType = SubscriberParallelConnectionCancelled, seMessage = \"Parallel connection cancelled\", seStack = []}))) 1s",String "ErrorPolicyTrace",String "18.177.214 .255:3001"] [dev-1:cardano.node.ErrorPolicy:Notice:48] [2021-01-18 20:15:26.93 UTC] [String "ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {s eType = SubscriberParallelConnectionCancelled, seMessage = \"Parallel connection cancelled\", seStack = []}))) 1s",String "ErrorPolicyTrace",String "3.9.80.183 :3001"] [dev-1:cardano.node.ErrorPolicy:Notice:48] [2021-01-18 20:15:26.93 UTC] [String "ErrorPolicySuspendConsumer (Just (ConnectionExceptionTrace (SubscriberError {s eType = SubscriberParallelConnectionCancelled, seMessage = \"Parallel connection cancelled\", seStack = []}))) 1s",String "ErrorPolicyTrace",String "3.127.103. 85:3001"] [dev-1:cardano.node.DnsSubscription:Error:61] [2021-01-18 20:15:26.97 UTC] [String "Application Exception: 3.128.220.55:3001 DecoderFailure (ChainSync (Header (HardForkBlock (': * (ShelleyBlock (ShelleyEra StandardCrypto)) ('[] *)))) (Tip HardForkBlock (': * (ShelleyBlock (ShelleyEra StandardCrypto)) ('[] *)))) Serve rAgency TokNext TokCanAwait) (DeserialiseFailure 88 \"expected list len or indef\")",String "SubscriptionTrace",String "\"relays-new.cardano-testnet.iohkdev.io \""] [dev-1:cardano.node.ErrorPolicy:Warning:48] [2021-01-18 20:15:26.97 UTC] [String "ErrorPolicySuspendPeer (Just (ApplicationExceptionTrace DecoderFailure (Chain Sync (Header (HardForkBlock (': * (ShelleyBlock (ShelleyEra StandardCrypto)) ('[] *)))) (Tip HardForkBlock (': * (ShelleyBlock (ShelleyEra StandardCrypto)) ('[ ] *)))) ServerAgency TokNext TokCanAwait) (DeserialiseFailure 88 \"expected list len or indef\"))) 200s 200s",String "ErrorPolicyTrace",String "3.128.220.55:30 01"] ``` ### Questions - anyone see this problem in AWS? - should I try in AWS? - any settings for my VM (compute engine) I could try tweaking? ---
**Author:** ![devcap](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/devcap/32/2088_2.png) [@devcap](https://forum.cardano.org/u/devcap)\ **Post date:** [18 January 2021 20:56 UTC](https://forum.cardano.org/t/host-addr-0-0-0-0-causes-errorpolicysuspendconsumer-application-exception/44987/2 "2021-01-18T20:56:47Z")
FIXED by using ‘Cardano’ as the protocol instead of ‘TPraos’, per suggestion from: > [@Problems with running node 1.20.0 on testnet](https://forum.cardano.org/t/problems-with-running-node-1-20-0-on-testnet/40625/3): > > Welcome @lespool and well spotted on that universal TPraos issue which is like an initiation experience for SPOs. Catching this error in the official documentation, even after 3 months, is still “left as an exercise for the reader” crazy_face ---
**Author:** ![jnprogrammer](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/jnprogrammer/32/25692_2.png) [@jnprogrammer](https://forum.cardano.org/u/jnprogrammer)\ **Post date:** [22 September 2021 23:18 UTC](https://forum.cardano.org/t/host-addr-0-0-0-0-causes-errorpolicysuspendconsumer-application-exception/44987/3 "2021-09-22T23:18:32Z")
What do you mean by fixed? What did you actually do?