Could not run Alpha

when I run alpha by docker , it give error “Error during SubscribeForUpdates for prefix “\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00”: unable to find any servers for group: 1. closer err:
CONN: Unable to connect with 192.168.103.77:5080 : rpc error: code = DeadlineExceeded desc = context deadline exceeded
namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.”

What I want to do

With the guide of Learning Environment in documents , I run a zero and a alpha

What I did

In the past , I can run them correctly , but my classmates update the “etc” dirtory with a 777 chmod in root.It cause our server is unable to boot.After that he fixed the problem .However , I only can run a zero but I couldn’t run alpha.I don’t know what he did.Maybe he has update something about Ports and firewalls.

Dgraph metadata

I0612 12:41:00.191720      22 run.go:742] x.Config: {PortOffset:0 Limit:query-timeout=0ms; txn-abort-after=5m; max-retries=10; shared-instance=false; query-edge=1000000; normalize-node=10000; mutations-nquad=1000000; mutations=allow; disallow-drop=false; max-pending-queries=10000 LimitMutationsNquad:1000000 LimitQueryEdge:1000000 BlockClusterWideDrop:false LimitNormalizeNode:10000 QueryTimeout:0s MaxRetries:10 SharedInstance:false GraphQL:extensions=true; poll-interval=1s; lambda-url=; introspection=true; debug=false GraphQLDebug:false}
I0612 12:41:00.191752      22 run.go:743] x.WorkerConfig: {TmpDir:t ExportPath:export Trace:ratio=0.01; jaeger=; datadog= MyAddr:192.168.103.77:7080 ZeroAddr:[192.168.103.77:5080] TLSClientConfig:<nil> TLSServerConfig:<nil> Raft:idx=; group=; learner=false; snapshot-after-entries=10000; snapshot-after-duration=30m; pending-proposals=256 Badger:{Dir: ValueDir: SyncWrites:false NumVersionsToKeep:1 ReadOnly:false Logger:0xc0001091a0 Compression:1 InMemory:false MetricsEnabled:true NumGoroutines:8 MemTableSize:67108864 BaseTableSize:2097152 BaseLevelSize:10485760 LevelSizeMultiplier:10 TableSizeMultiplier:2 MaxLevels:7 VLogPercentile:0 ValueThreshold:1048576 NumMemtables:5 BlockSize:4096 BloomFalsePositive:0.01 BlockCacheSize:697932185 IndexCacheSize:375809638 NumLevelZeroTables:5 NumLevelZeroTablesStall:15 ValueLogFileSize:1073741823 ValueLogMaxEntries:1000000 NumCompactors:4 CompactL0OnClose:false LmaxCompaction:false ZSTDCompressionLevel:0 VerifyValueChecksum:false EncryptionKey:[] EncryptionKeyRotationDuration:240h0m0s BypassLockGuard:false ChecksumVerificationMode:0 DetectConflicts:true NamespaceOffset:-1 ExternalMagicVersion:0 managedTxns:false maxBatchCount:0 maxBatchSize:0 maxValueThreshold:0} WhiteListedIPRanges:[] StrictMutations:false AclEnabled:false HmacSecret:**** AbortOlderThan:5m0s ProposedGroupId:0 StartTime:2023-06-12 12:40:59.708575415 +0000 UTC m=+0.226399177 Security:whitelist=; token= EncryptionKey:**** LogDQLRequest:0 HardSync:false Audit:false}
I0612 12:41:00.191812      22 run.go:744] worker.Config: {PostingDir:p WALDir:w MutationsMode:0 AuthToken: HmacSecret:**** AccessJwtTtl:0s RefreshJwtTtl:0s CachePercentage:0,65,35 CacheMb:1024 Audit:<nil> ChangeDataConf:file=; kafka=; sasl_user=; sasl_password=; ca_cert=; client_cert=; client_key=; sasl-mechanism=PLAIN; tls=false;}
I0612 12:41:00.192939      22 storage.go:124] Init Raft Storage with snap: 0, first: 1, last: 0
I0612 12:41:00.192984      22 server_state.go:140] Opening postings BadgerDB with options: {Dir:p ValueDir:p SyncWrites:false NumVersionsToKeep:2147483647 ReadOnly:false Logger:0x3212598 Compression:1 InMemory:false MetricsEnabled:true NumGoroutines:8 MemTableSize:67108864 BaseTableSize:2097152 BaseLevelSize:10485760 LevelSizeMultiplier:10 TableSizeMultiplier:2 MaxLevels:7 VLogPercentile:0 ValueThreshold:1048576 NumMemtables:5 BlockSize:4096 BloomFalsePositive:0.01 BlockCacheSize:697932185 IndexCacheSize:375809638 NumLevelZeroTables:5 NumLevelZeroTablesStall:15 ValueLogFileSize:1073741823 ValueLogMaxEntries:1000000 NumCompactors:4 CompactL0OnClose:false LmaxCompaction:false ZSTDCompressionLevel:0 VerifyValueChecksum:false EncryptionKey:[] EncryptionKeyRotationDuration:240h0m0s BypassLockGuard:false ChecksumVerificationMode:0 DetectConflicts:false NamespaceOffset:1 ExternalMagicVersion:0 managedTxns:false maxBatchCount:0 maxBatchSize:0 maxValueThreshold:0}
I0612 12:41:00.282528      22 log.go:33] All 0 tables opened in 0s
I0612 12:41:00.301766      22 log.go:33] Discard stats nextEmptySlot: 0
I0612 12:41:00.301812      22 log.go:33] Set nextTxnTs to 0
I0612 12:41:00.302874      22 groups.go:101] Current Raft Id: 0x0
I0612 12:41:00.302902      22 groups.go:117] Sending member request to Zero: addr:"192.168.103.77:7080" 
I0612 12:41:00.303222      22 worker.go:114] Worker listening at address: [::]:7080
I0612 12:41:00.305349      22 run.go:559] Bringing up GraphQL HTTP API at 0.0.0.0:8080/graphql
I0612 12:41:00.305376      22 run.go:560] Bringing up GraphQL HTTP admin API at 0.0.0.0:8080/admin
I0612 12:41:00.305394      22 run.go:587] gRPC server started.  Listening on port 9080
I0612 12:41:00.305406      22 run.go:588] HTTP server started.  Listening on port 8080
E0612 12:41:00.305435      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
I0612 12:41:00.404584      22 pool.go:165] CONN: Connecting to 192.168.103.77:5080
E0612 12:41:01.307039      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:02.307487      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:03.307574      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:04.308009      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:05.305975      22 admin.go:854] namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.
E0612 12:41:05.309143      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:06.310081      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:07.310748      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:08.311929      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:09.312851      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:10.306881      22 admin.go:854] namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.
E0612 12:41:10.313553      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:11.313805      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:12.314603      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:13.314751      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:14.315585      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:15.307718      22 admin.go:854] namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.
E0612 12:41:15.316347      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:16.317165      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:17.317959      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:18.319034      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:19.319150      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:20.308919      22 admin.go:854] namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.
E0612 12:41:20.319919      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:21.320060      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:22.320413      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:23.321568      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:24.322236      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:25.309278      22 admin.go:854] namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.
E0612 12:41:25.322325      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:26.322432      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:27.323319      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:28.324451      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:29.325460      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:30.310281      22 admin.go:854] namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.
E0612 12:41:30.326201      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:31.326397      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:31.406094      22 pool.go:314] CONN: Unable to connect with 192.168.103.77:5080 : rpc error: code = DeadlineExceeded desc = context deadline exceeded
E0612 12:41:32.326942      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:33.327628      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:34.328350      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:35.310514      22 admin.go:854] namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.
E0612 12:41:35.329315      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:36.329737      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:37.330559      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:38.330712      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:39.331314      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:40.311035      22 admin.go:854] namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.
E0612 12:41:40.331799      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:41.331892      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:42.332747      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:42.407609      22 pool.go:314] CONN: Unable to connect with 192.168.103.77:5080 : rpc error: code = DeadlineExceeded desc = context deadline exceeded
E0612 12:41:43.333450      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:44.334589      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:45.312036      22 admin.go:854] namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.
E0612 12:41:45.335781      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:46.336364      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:47.336643      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:48.337813      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:49.338678      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:50.312185      22 admin.go:854] namespace: 0. Error reading GraphQL schema: Please retry again, server is not ready to accept requests.
E0612 12:41:50.339344      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:51.339930      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:52.341040      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:53.342105      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
E0612 12:41:53.408385      22 pool.go:314] CONN: Unable to connect with 192.168.103.77:5080 : rpc error: code = DeadlineExceeded desc = context deadline exceeded
E0612 12:41:54.342252      22 groups.go:1229] Error during SubscribeForUpdates for prefix "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15dgraph.graphql.schema\x00": unable to find any servers for group: 1. closer err: <nil>
dgraph version

Share the docker compose file or any other script you are using.

Make sure you are not running this in old p directory.

Thans for your help.I have solve it .I open a port named 5080 by

sudo ufw allow 5080