【TDengine 使用环境】
预生产环境
【TDengine 版本】OSS 3.3.8.1
【操作系统以及版本】UBUNTU 24.04
【部署方式】非容器部署
【遇到的问题：问题现象及影响】 taos 服务宕机 无法启动
【资源配置】
【报错完整截图】（不要大段的粘贴报错代码，论坛直接看报错代码不直观）
这是客户端日志，请检查并提供下服务端日志看是什么错误导致的不能启动
12/01 15:08:35.718456 00431425 C RPC ERROR TSC conn:0x767fc40073d0, failed to connect to gkmn:6030 since connection refused
12/01 15:08:35.718607 00431053 C TSC ERROR failed to connect to server, reason: Unable to establish connection
12/01 15:09:15.652573 00431052 C TSC INFO try to connect to (null):0, user:root db:(null)
12/01 15:09:15.652716 00431052 C TSC INFO connecting to server, numOfEps:2 inUse:0 user:root db:(null) key:root:dcc5bed04851fec854c035b2e40263b6:(null):0
12/01 15:09:15.652719 00431052 C TSC INFO ep:0, gkmn:6030
12/01 15:09:15.652721 00431052 C TSC INFO ep:1, gkmn:6030
12/01 15:09:15.652737 00431052 C TSC INFO conn:0x5, created, p:0x7680a0000e50
12/01 15:09:15.653090 00431426 C RPC ERROR TSC conn:0x767fb8000c30, failed to connect to gkmn:6030 since connection refused
taoslog0.0
==================================================
new log file
12/01 15:06:59.939292 00431034 C UTL INFO load from cfg file /etc/taos/taos.cfg success
12/01 15:06:59.939297 00431034 C UTL INFO env file:.env not load
12/01 15:06:59.939299 00431034 C UTL INFO load from env variables cfg success
12/01 15:06:59.939354 00431034 C UTL INFO global config
12/01 15:06:59.939355 00431034 C UTL INFO =================================================================
12/01 15:06:59.939358 00431034 C UTL INFO default forceReadConfig 0
12/01 15:06:59.939359 00431034 C UTL INFO cfg_file firstEp gkmn:6030
12/01 15:06:59.939360 00431034 C UTL INFO default secondEp gkmn:6030
12/01 15:06:59.939361 00431034 C UTL INFO default tempDir /tmp/
12/01 15:06:59.939362 00431034 C UTL INFO default minimalTmpDirGB 1.00
12/01 15:06:59.939365 00431034 C UTL INFO default queryPolicy 1
12/01 15:06:59.939366 00431034 C UTL INFO default queryTableNotExistAsEmpty 0
12/01 15:06:59.939367 00431034 C UTL INFO default enableQueryHb 1
12/01 15:06:59.939367 00431034 C UTL INFO default enableScience 0
12/01 15:06:59.939368 00431034 C UTL INFO default querySmaOptimize 0
12/01 15:06:59.939369 00431034 C UTL INFO default queryPlannerTrace 0
12/01 15:06:59.939370 00431034 C UTL INFO default queryNodeChunkSize 32768
12/01 15:06:59.939371 00431034 C UTL INFO default queryUseNodeAllocator 1
12/01 15:06:59.939371 00431034 C UTL INFO default keepColumnName 0
12/01 15:06:59.939372 00431034 C UTL INFO default smlChildTableName
12/01 15:06:59.939373 00431034 C UTL INFO default smlAutoChildTableNameDelimiter
12/01 15:06:59.939374 00431034 C UTL INFO default smlTagName _tag_null
12/01 15:06:59.939374 00431034 C UTL INFO default smlTsDefaultName _ts
12/01 15:06:59.939375 00431034 C UTL INFO default smlDot2Underline 1
12/01 15:06:59.939376 00431034 C UTL INFO default minSlidingTime 1
12/01 15:06:59.939377 00431034 C UTL INFO default minIntervalTime 1
12/01 15:06:59.939378 00431034 C UTL INFO default maxInsertBatchRows 1000000
12/01 15:06:59.939378 00431034 C UTL INFO default useAdapter 0
12/01 15:06:59.939379 00431034 C UTL INFO default queryMaxConcurrentTables 200
12/01 15:06:59.939380 00431034 C UTL INFO default metaCacheMaxSize -1
12/01 15:06:59.939381 00431034 C UTL INFO default bypassFlag 0
12/01 15:06:59.939382 00431034 C UTL INFO default numOfRpcThreads 32
12/01 15:06:59.939382 00431034 C UTL INFO default numOfRpcSessions 30000
12/01 15:06:59.939383 00431034 C UTL INFO default numOfTaskQueueThreads 128
12/01 15:06:59.939384 00431034 C UTL INFO default multiResultFunctionStarReturnTa 0
12/01 15:06:59.939385 00431034 C UTL INFO default countAlwaysReturnValue 1
12/01 15:06:59.939386 00431034 C UTL INFO default maxTsmaCalcDelay 600
12/01 15:06:59.939386 00431034 C UTL INFO default tsmaDataDeleteMark 86400000
12/01 15:06:59.939387 00431034 C UTL INFO default compareAsStrInGreatest 1
12/01 15:06:59.939388 00431034 C UTL INFO default showFullCreateTableColumn 0
12/01 15:06:59.939389 00431034 C UTL INFO default configDir /etc/taos/
12/01 15:06:59.939390 00431034 C UTL INFO default scriptDir /etc/taos/
12/01 15:06:59.939390 00431034 C UTL INFO default logDir /var/log/taos/
12/01 15:06:59.939391 00431034 C UTL INFO default minimalLogDirGB 1.00
12/01 15:06:59.939392 00431034 C UTL INFO default numOfLogLines 10000000
12/01 15:06:59.939394 00431034 C UTL INFO default asyncLog 1
12/01 15:06:59.939395 00431034 C UTL INFO default logKeepDays 0
12/01 15:06:59.939396 00431034 C UTL INFO default debugFlag 0
12/01 15:06:59.939397 00431034 C UTL INFO default simDebugFlag 131
12/01 15:06:59.939398 00431034 C UTL INFO default tmrDebugFlag 131
12/01 15:06:59.939398 00431034 C UTL INFO default uDebugFlag 131
12/01 15:06:59.939399 00431034 C UTL INFO default rpcDebugFlag 131
12/01 15:06:59.939400 00431034 C UTL INFO default jniDebugFlag 131
12/01 15:06:59.939401 00431034 C UTL INFO default qDebugFlag 131
12/01 15:06:59.939401 00431034 C UTL INFO default cDebugFlag 131
12/01 15:06:59.939402 00431034 C UTL INFO default tqClientDebugFlag 131
12/01 15:06:59.939403 00431034 C UTL INFO default numOfCores 64.00
12/01 15:06:59.939405 00431034 C UTL INFO default simdEnable 1
12/01 15:06:59.939406 00431034 C UTL INFO default AVX512Enable 0
12/01 15:06:59.939406 00431034 C UTL INFO default tagFilterCache 0
12/01 15:06:59.939407 00431034 C UTL INFO default openMax 1048576
12/01 15:06:59.939408 00431034 C UTL INFO default streamMax 16
12/01 15:06:59.939409 00431034 C UTL INFO default pageSizeKB 4
12/01 15:06:59.939410 00431034 C UTL INFO default totalMemoryKB 263690252
12/01 15:06:59.939410 00431034 C UTL INFO default os sysname Linux
12/01 15:06:59.939411 00431034 C UTL INFO default os nodename gkmn
12/01 15:06:59.939412 00431034 C UTL INFO default os release 6.8.0-53-generic
12/01 15:06:59.939413 00431034 C UTL INFO default os version #55-Ubuntu SMP PREEMPT_DYNAMIC Fri Jan 17 15:37:52 UTC 2025
12/01 15:06:59.939413 00431034 C UTL INFO default os machine x86_64
12/01 15:06:59.939414 00431034 C UTL INFO default version 3.3.8.1
12/01 15:06:59.939415 00431034 C UTL INFO default compatible_version 3.0.0.0
12/01 15:06:59.939416 00431034 C UTL INFO default gitinfo ac1c98a2a3b4cb4a7b09149f04ac9d4f60c7b8bd
12/01 15:06:59.939416 00431034 C UTL INFO default buildinfo Linux-x64 2025-10-10 18:10:56 +0800
12/01 15:06:59.939417 00431034 C UTL INFO default enableIpv6 0
12/01 15:06:59.939418 00431034 C UTL INFO default shellActivityTimer 3
12/01 15:06:59.939419 00431034 C UTL INFO default compressMsgSize -1
12/01 15:06:59.939420 00431034 C UTL INFO default crashReporting 1
12/01 15:06:59.939420 00431034 C UTL INFO default randErrorChance 1
12/01 15:06:59.939421 00431034 C UTL INFO default randErrorDivisor 10001
12/01 15:06:59.939422 00431034 C UTL INFO default randErrorScope 7
12/01 15:06:59.939423 00431034 C UTL INFO default safetyCheckLevel 1
12/01 15:06:59.939424 00431034 C UTL INFO default shareConnLimit 10
12/01 15:06:59.939424 00431034 C UTL INFO default readTimeout 900
12/01 15:06:59.939425 00431034 C UTL INFO default timeToGetAvailableConn 500000
12/01 15:06:59.939426 00431034 C UTL INFO default experimental 1
12/01 15:06:59.939427 00431034 C UTL INFO default timezone Asia/Shanghai (CST, +0800)
12/01 15:06:59.939427 00431034 C UTL INFO default locale en_US.UTF-8
12/01 15:06:59.939430 00431034 C UTL INFO default charset UTF-8
12/01 15:06:59.939431 00431034 C UTL INFO default enableCoreFile 1
12/01 15:06:59.939431 00431034 C UTL INFO default tlsCaPath
12/01 15:06:59.939432 00431034 C UTL INFO default tlsSvrCertPath
12/01 15:06:59.939433 00431034 C UTL INFO default tlsSvrKeyPath
12/01 15:06:59.939434 00431034 C UTL INFO default tlsCliCertPath
12/01 15:06:59.939434 00431034 C UTL INFO default tlsCliKeyPath
12/01 15:06:59.939435 00431034 C UTL INFO default enableTLS 0
12/01 15:06:59.939436 00431034 C UTL INFO =================================================================
12/01 15:06:59.939436 00431034 C UTL INFO check global fqdn:gkmn and port:6030
12/01 15:06:59.939620 00431034 C TSC INFO monitor init
12/01 15:06:59.939736 00431169 C UTL INFO scheduler tmr-taskQ is started, thread:431169
12/01 15:06:59.939766 00431170 C UTL INFO scheduler high-tmr-taskQ is started, thread:431170
12/01 15:06:59.939860 00431172 C TSC INFO monitor update thread started
12/01 15:06:59.939893 00431034 C TSC INFO starting to initialize TAOS driver
12/01 15:06:59.939898 00431034 C QRY INFO catalog init
12/01 15:06:59.939939 00431034 C QRY INFO catalog initialized, maxDb:100, maxTbl:100, dbRentSec:10, stbRentSec:10
12/01 15:06:59.939944 00431034 C QRY INFO scheduler init, policy: 1, maxNodeTableNum: 200, reSchedule:0
12/01 15:06:59.939947 00431173 C QRY INFO catalog update thread started
12/01 15:06:59.939954 00431034 C QRY INFO scheduler initialized, maxJob:1000, clientId:0x0
12/01 15:06:59.939976 00431034 C QRY INFO generate clientId:13322396175636716628
12/01 15:06:59.940026 00431034 C UTL INFO worker:taskWorkPool:0 is launched, total:1
12/01 15:06:59.940060 00431034 C UTL INFO worker:taskWorkPool:1 is launched, total:2
12/01 15:06:59.940091 00431034 C UTL INFO worker:taskWorkPool:2 is launched, total:3
12/01 15:06:59.940132 00431034 C UTL INFO worker:taskWorkPool:3 is launched, total:4
12/01 15:06:59.940169 00431034 C UTL INFO worker:taskWorkPool:4 is launched, total:5
12/01 15:06:59.940211 00431034 C UTL INFO worker:taskWorkPool:5 is launched, total:6
12/01 15:06:59.940246 00431034 C UTL INFO worker:taskWorkPool:6 is launched, total:7
12/01 15:06:59.940280 00431034 C UTL INFO worker:taskWorkPool:7 is launched, total:8
12/01 15:06:59.940314 00431034 C UTL INFO worker:taskWorkPool:8 is launched, total:9
12/01 15:06:59.940345 00431034 C UTL INFO worker:taskWorkPool:9 is launched, total:10
12/01 15:06:59.940381 00431034 C UTL INFO worker:taskWorkPool:10 is launched, total:11
12/01 15:06:59.940413 00431034 C UTL INFO worker:taskWorkPool:11 is launched, total:12
12/01 15:06:59.940445 00431034 C UTL INFO worker:taskWorkPool:12 is launched, total:13
12/01 15:06:59.940481 00431034 C UTL INFO worker:taskWorkPool:13 is launched, total:14
12/01 15:06:59.940513 00431034 C UTL INFO worker:taskWorkPool:14 is launched, total:15
12/01 15:06:59.940545 00431034 C UTL INFO worker:taskWorkPool:15 is launched, total:16
12/01 15:06:59.940579 00431034 C UTL INFO worker:taskWorkPool:16 is launched, total:17
12/01 15:06:59.940612 00431034 C UTL INFO worker:taskWorkPool:17 is launched, total:18
12/01 15:06:59.940645 00431034 C UTL INFO worker:taskWorkPool:18 is launched, total:19
12/01 15:06:59.940681 00431034 C UTL INFO worker:taskWorkPool:19 is launched, total:20
12/01 15:06:59.940711 00431034 C UTL INFO worker:taskWorkPool:20 is launched, total:21
12/01 15:06:59.940743 00431034 C UTL INFO worker:taskWorkPool:21 is launched, total:22
12/01 15:06:59.940777 00431034 C UTL INFO worker:taskWorkPool:22 is launched, total:23
12/01 15:06:59.940814 00431034 C UTL INFO worker:taskWorkPool:23 is launched, total:24
12/01 15:06:59.940851 00431034 C UTL INFO worker:taskWorkPool:24 is launched, total:25
12/01 15:06:59.940885 00431034 C UTL INFO worker:taskWorkPool:25 is launched, total:26
12/01 15:06:59.940918 00431034 C UTL INFO worker:taskWorkPool:26 is launched, total:27
12/01 15:06:59.940962 00431034 C UTL INFO worker:taskWorkPool:27 is launched, total:28
12/01 15:06:59.940995 00431034 C UTL INFO worker:taskWorkPool:28 is launched, total:29
12/01 15:06:59.941030 00431034 C UTL INFO worker:taskWorkPool:29 is launched, total:30
12/01 15:06:59.941063 00431034 C UTL INFO worker:taskWorkPool:30 is launched, total:31
12/01 15:06:59.941097 00431034 C UTL INFO worker:taskWorkPool:31 is launched, total:32
12/01 15:06:59.941129 00431034 C UTL INFO worker:taskWorkPool:32 is launched, total:33
12/01 15:06:59.941163 00431034 C UTL INFO worker:taskWorkPool:33 is launched, total:34
12/01 15:06:59.941197 00431034 C UTL INFO worker:taskWorkPool:34 is launched, total:35
12/01 15:06:59.941227 00431034 C UTL INFO worker:taskWorkPool:35 is launched, total:36
12/01 15:06:59.941260 00431034 C UTL INFO worker:taskWorkPool:36 is launched, total:37
12/01 15:06:59.941294 00431034 C UTL INFO worker:taskWorkPool:37 is launched, total:38
12/01 15:06:59.941323 00431034 C UTL INFO worker:taskWorkPool:38 is launched, total:39
12/01 15:06:59.941353 00431034 C UTL INFO worker:taskWorkPool:39 is launched, total:40
12/01 15:06:59.941392 00431034 C UTL INFO worker:taskWorkPool:40 is launched, total:41
12/01 15:06:59.941422 00431034 C UTL INFO worker:taskWorkPool:41 is launched, total:42
12/01 15:06:59.941454 00431034 C UTL INFO worker:taskWorkPool:42 is launched, total:43
12/01 15:06:59.941487 00431034 C UTL INFO worker:taskWorkPool:43 is launched, total:44
12/01 15:06:59.941518 00431034 C UTL INFO worker:taskWorkPool:44 is launched, total:45
12/01 15:06:59.941551 00431034 C UTL INFO worker:taskWorkPool:45 is launched, total:46
12/01 15:06:59.941582 00431034 C UTL INFO worker:taskWorkPool:46 is launched, total:47
12/01 15:06:59.941613 00431034 C UTL INFO worker:taskWorkPool:47 is launched, total:48
12/01 15:06:59.941648 00431034 C UTL INFO worker:taskWorkPool:48 is launched, total:49
12/01 15:06:59.941683 00431034 C UTL INFO worker:taskWorkPool:49 is launched, total:50
12/01 15:06:59.941713 00431034 C UTL INFO worker:taskWorkPool:50 is launched, total:51
12/01 15:06:59.941750 00431034 C UTL INFO worker:taskWorkPool:51 is launched, total:52
12/01 15:06:59.941787 00431034 C UTL INFO worker:taskWorkPool:52 is launched, total:53
12/01 15:06:59.941825 00431034 C UTL INFO worker:taskWorkPool:53 is launched, total:54
12/01 15:06:59.941863 00431034 C UTL INFO worker:taskWorkPool:54 is launched, total:55
12/01 15:06:59.941897 00431034 C UTL INFO worker:taskWorkPool:55 is launched, total:56
12/01 15:06:59.941930 00431034 C UTL INFO worker:taskWorkPool:56 is launched, total:57
12/01 15:06:59.941965 00431034 C UTL INFO worker:taskWorkPool:57 is launched, total:58
12/01 15:06:59.941998 00431034 C UTL INFO worker:taskWorkPool:58 is launched, total:59
12/01 15:06:59.942033 00431034 C UTL INFO worker:taskWorkPool:59 is launched, total:60
12/01 15:06:59.942065 00431034 C UTL INFO worker:taskWorkPool:60 is launched, total:61
12/01 15:06:59.942120 00431034 C UTL INFO worker:taskWorkPool:61 is launched, total:62
12/01 15:06:59.942153 00431034 C UTL INFO worker:taskWorkPool:62 is launched, total:63
12/01 15:06:59.942183 00431034 C UTL INFO worker:taskWorkPool:63 is launched, total:64
12/01 15:06:59.942219 00431034 C UTL INFO worker:taskWorkPool:64 is launched, total:65
12/01 15:06:59.942251 00431034 C UTL INFO worker:taskWorkPool:65 is launched, total:66
12/01 15:06:59.942284 00431034 C UTL INFO worker:taskWorkPool:66 is launched, total:67
12/01 15:06:59.942322 00431034 C UTL INFO worker:taskWorkPool:67 is launched, total:68
12/01 15:06:59.942354 00431034 C UTL INFO worker:taskWorkPool:68 is launched, total:69
12/01 15:06:59.942389 00431034 C UTL INFO worker:taskWorkPool:69 is launched, total:70
12/01 15:06:59.942429 00431034 C UTL INFO worker:taskWorkPool:70 is launched, total:71
12/01 15:06:59.942464 00431034 C UTL INFO worker:taskWorkPool:71 is launched, total:72
12/01 15:06:59.942498 00431034 C UTL INFO worker:taskWorkPool:72 is launched, total:73
12/01 15:06:59.942533 00431034 C UTL INFO worker:taskWorkPool:73 is launched, total:74
12/01 15:06:59.942566 00431034 C UTL INFO worker:taskWorkPool:74 is launched, total:75
12/01 15:06:59.942607 00431034 C UTL INFO worker:taskWorkPool:75 is launched, total:76
12/01 15:06:59.942645 00431034 C UTL INFO worker:taskWorkPool:76 is launched, total:77
12/01 15:06:59.942678 00431034 C UTL INFO worker:taskWorkPool:77 is launched, total:78
12/01 15:06:59.942707 00431034 C UTL INFO worker:taskWorkPool:78 is launched, total:79
12/01 15:06:59.942740 00431034 C UTL INFO worker:taskWorkPool:79 is launched, total:80
12/01 15:06:59.942778 00431034 C UTL INFO worker:taskWorkPool:80 is launched, total:81
12/01 15:06:59.942825 00431034 C UTL INFO worker:taskWorkPool:81 is launched, total:82
12/01 15:06:59.942867 00431034 C UTL INFO worker:taskWorkPool:82 is launched, total:83
12/01 15:06:59.942902 00431034 C UTL INFO worker:taskWorkPool:83 is launched, total:84
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12/01 15:06:59.943009 00431034 C UTL INFO worker:taskWorkPool:86 is launched, total:87
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12/01 15:06:59.944360 00431034 C UTL INFO worker:taskWorkPool:124 is launched, total:125
12/01 15:06:59.944395 00431034 C UTL INFO worker:taskWorkPool:125 is launched, total:126
12/01 15:06:59.944428 00431034 C UTL INFO worker:taskWorkPool:126 is launched, total:127
12/01 15:06:59.944465 00431034 C UTL INFO worker:taskWorkPool:127 is launched, total:128
12/01 15:06:59.944466 00431034 C UTL INFO worker:taskWorkPool, queue:0xc06ad60 is allocated, ahandle:(nil)
12/01 15:06:59.944468 00431034 C QRY INFO task queue is initialized, numOfThreads: 128
12/01 15:06:59.944654 00431308 C TSC INFO no crash info was found
12/01 15:06:59.944681 00431034 C TSC INFO TAOS driver is initialized successfully
12/01 15:06:59.944689 00431034 C TSC INFO set cfg:useAdapter to true
12/01 15:06:59.944693 00431034 C UTL INFO useAdapter set from 0 to 1
12/01 15:07:04.877209 00431053 C TSC INFO try to connect to (null):0, user:root db:(null)
12/01 15:07:04.877335 00431053 C TSC INFO connecting to server, numOfEps:2 inUse:0 user:root db:(null) key:root:dcc5bed04851fec854c035b2e40263b6:(null):0
12/01 15:07:04.877339 00431053 C TSC INFO ep:0, gkmn:6030
12/01 15:07:04.877341 00431053 C TSC INFO ep:1, gkmn:6030
12/01 15:07:04.877363 00431053 C TSC INFO rpc max retry timeout 20000
12/01 15:07:04.877369 00431053 C RPC INFO TLS is not enabled for TSC
12/01 15:07:04.884626 00431053 C TSC INFO app initialized, appId:0x6f8a2d8bc8500001
12/01 15:07:04.884722 00431053 C TSC INFO new app inst mgr:0x76809c000fd0, user:root, ip:gkmn, port:6030
12/01 15:07:04.884736 00431053 C TSC INFO conn:0x2, created, p:0x76809c2d66a0
12/01 15:07:04.885159 00431423 C RPC ERROR TSC conn:0x767fe0000c30, failed to connect to gkmn:6030 since connection refused
12/01 15:07:04.885306 00431423 C RPC ERROR TSC conn:0x767fe0000fc0, failed to connect to gkmn:6030 since connection refused
12/01 15:07:04.885386 00431423 C RPC ERROR TSC conn:0x767fe0001810, failed to connect to gkmn:6030 since connection refused
12/01 15:07:04.895538 00431423 C RPC ERROR TSC conn:0x767fe0001c10, failed to connect to gkmn:6030 since connection refused
12/01 15:07:04.895602 00431423 C RPC ERROR TSC conn:0x767fe0002010, failed to connect to gkmn:6030 since connection refused
12/01 15:07:25.184364 00431423 C RPC ERROR TSC conn:0x767fe00073d0, failed to connect to gkmn:6030 since connection refused
12/01 15:07:25.184684 00431053 C TSC ERROR failed to connect to server, reason: Unable to establish connection
12/01 15:07:35.187937 00431090 C TSC INFO try to connect to (null):0, user:root db:(null)
12/01 15:07:35.188059 00431090 C TSC INFO connecting to server, numOfEps:2 inUse:0 user:root db:(null) key:root:dcc5bed04851fec854c035b2e40263b6:(null):0
12/01 15:07:35.188063 00431090 C TSC INFO ep:0, gkmn:6030
12/01 15:07:35.188065 00431090 C TSC INFO ep:1, gkmn:6030
12/01 15:07:35.188080 00431090 C TSC INFO conn:0x3, created, p:0x768034000e50
12/01 15:07:35.188471 00431424 C RPC ERROR TSC conn:0x767fd0000c30, failed to connect to gkmn:6030 since connection refused
12/01 15:07:55.487843 00431424 C RPC ERROR TSC conn:0x767fd00073d0, failed to connect to gkmn:6030 since connection refused
12/01 15:07:55.488008 00431090 C TSC ERROR failed to connect to server, reason: Unable to establish connection
12/01 15:08:15.418067 00431053 C TSC INFO try to connect to (null):0, user:root db:(null)
12/01 15:08:15.418176 00431053 C TSC INFO connecting to server, numOfEps:2 inUse:0 user:root db:(null) key:root:dcc5bed04851fec854c035b2e40263b6:(null):0
12/01 15:08:15.418188 00431053 C TSC INFO ep:0, gkmn:6030
12/01 15:08:15.418190 00431053 C TSC INFO ep:1, gkmn:6030
12/01 15:08:15.418206 00431053 C TSC INFO conn:0x4, created, p:0x76809c2d8bc0
12/01 15:08:15.418608 00431425 C RPC ERROR TSC conn:0x767fc4000c30, failed to connect to gkmn:6030 since connection refused
你提供的都是客户端日志，对解决这个问题没有帮助。
首先，查下服务端的 taosd 是否还在正常运行，是否能在服务端本地正常访问。
如果能正常访问，说明是网络问题而不是软件问题，可以检查下防火墙之类的设置。
如果服务端已经退出了，需要检查和提供服务端的日志，看是什么原因导致的退出。
服务端日志在 /var/log/taos目录下（如果你没有改过配置）。
12/01 15:34:06.196186 00447259 C WAL ERROR vgId:8, failed at line 0 to scan log file /home/data/taos/vnode/vnode8/wal/00000000000313356440.log since WAL checksum mismatch
12/01 15:34:06.196450 00447257 C WAL WARN vgId:6, failed to validate checksum of wal entry header, offset:9542211, file:/home/data/taos/vnode/vnode6/wal/00000000000256849297.log
12/01 15:34:06.196454 00447257 C WAL WARN vgId:6, skip to truncate file in repair meta /home/data/taos/vnode/vnode6/wal/00000000000256849297.log to 9542211, orig size 9543680 but fileIdx:23 is invalid
12/01 15:34:06.196460 00447257 C WAL ERROR vgId:6, failed at line 0 to scan log file /home/data/taos/vnode/vnode6/wal/00000000000256849297.log since WAL checksum mismatch
12/01 15:34:06.196688 00447259 C WAL INFO vgId:8, remove old meta file /home/data/taos/vnode/vnode8/wal/meta-ver28583
12/01 15:34:06.196690 00447259 C WAL ERROR vgId:8, WAL log entries incomplete in range [312614268, 313385980], index:313090728, snaphot index:313356439
12/01 15:34:06.196692 00447259 C WAL ERROR vgId:8, failed to repair meta since WAL log incomplete, at line:548
12/01 15:34:06.196702 00447259 C WAL ERROR vgId:8, cannot open wal since repair meta file failed since WAL log incomplete
12/01 15:34:06.196705 00447259 C VND ERROR vgId:8, failed to open vnode wal since WAL log incomplete. wal:/home/data/taos/vnode/vnode8/wal
12/01 15:34:06.196931 00447257 C WAL INFO vgId:6, save meta file /home/data/taos/vnode/vnode6/wal/meta-ver.tmp, first index:256107047, last index:256872179
12/01 15:34:06.197820 00447257 C SYN INFO vgId:6, HbTimer init, timerMs:1000 for addr:0x0
12/01 15:34:06.198139 00447258 C WAL ERROR vgId:7, failed to read file /home/data/taos/vnode/vnode7/wal/00000000000443501779.log since Success, offset:11010048, extraSize:3
12/01 15:34:06.198142 00447258 C WAL WARN vgId:7, skip to truncate file in repair meta /home/data/taos/vnode/vnode7/wal/00000000000443501779.log to 11009634, orig size 11010048 but fileIdx:45 is invalid
12/01 15:34:06.198148 00447258 C WAL INFO vgId:7, repaired file /home/data/taos/vnode/vnode7/wal/00000000000443501779.log, last index:443528180, fileSize:11010048, fileSize in meta:11009634
12/01 15:34:06.307565 00447255 C DND INFO thread:2, numOfVnodes:1, opened:1 dropped:0 failed:0
12/01 15:34:06.307775 00447068 C DND ERROR there are total vnodes:11, opened:10
12/01 15:34:06.307783 00447068 C DND ERROR failed to open all vnodes since Vnode init failure
12/01 15:34:06.307786 00447068 C DND ERROR failed to init vnodes-mgmt since Vnode init failure
12/01 15:34:06.307788 00447068 C DND INFO start to close all vnodes
12/01 15:34:07.116317 00447068 C WAL INFO wal module is cleaned up
12/01 15:34:07.116328 00447068 C DND ERROR node:vnode, failed to open since Vnode init failure
12/01 15:34:07.116340 00447068 C DND ERROR node:vnode, failed to open since Vnode init failure
12/01 15:34:07.116343 00447068 C DND ERROR failed to open nodes since Vnode init failure
12/01 15:34:07.116345 00447068 C DND INFO node:dnode, start to close
在服务端，用 root 用户，命令行直接执行
/usr/bin/taosd
看下提示什么？
12/01 15:42:02.064435 00451621 C UTL INFO worker:vnode-multi-mgmt:8 is stopping
12/01 15:42:02.064449 00451621 C UTL INFO worker:vnode-multi-mgmt:8 is stopped
12/01 15:42:02.064454 00451621 C UTL INFO worker:vnode-multi-mgmt:9 is stopping
12/01 15:42:02.064464 00451621 C UTL INFO worker:vnode-multi-mgmt:9 is stopped
12/01 15:42:02.064468 00451621 C UTL INFO worker:vnode-multi-mgmt:10 is stopping
12/01 15:42:02.064477 00451621 C UTL INFO worker:vnode-multi-mgmt:10 is stopped
12/01 15:42:02.064479 00451621 C UTL INFO worker:vnode-multi-mgmt:11 is stopping
12/01 15:42:02.064489 00451621 C UTL INFO worker:vnode-multi-mgmt:11 is stopped
12/01 15:42:02.064493 00451621 C UTL INFO worker:vnode-multi-mgmt:12 is stopping
12/01 15:42:02.064509 00451621 C UTL INFO worker:vnode-multi-mgmt:12 is stopped
12/01 15:42:02.064514 00451621 C UTL INFO worker:vnode-multi-mgmt:13 is stopping
12/01 15:42:02.064535 00451621 C UTL INFO worker:vnode-multi-mgmt:13 is stopped
12/01 15:42:02.064538 00451621 C UTL INFO worker:vnode-multi-mgmt:14 is stopping
12/01 15:42:02.064558 00451621 C UTL INFO worker:vnode-multi-mgmt:14 is stopped
12/01 15:42:02.064561 00451621 C UTL INFO worker:vnode-multi-mgmt:15 is stopping
12/01 15:42:02.064569 00451621 C UTL INFO worker:vnode-multi-mgmt:15 is stopped
12/01 15:42:02.064573 00451621 C UTL INFO worker:vnode-multi-mgmt:16 is stopping
12/01 15:42:02.064581 00451621 C UTL INFO worker:vnode-multi-mgmt:16 is stopped
12/01 15:42:02.064584 00451621 C UTL INFO worker:vnode-multi-mgmt:17 is stopping
12/01 15:42:02.064598 00451621 C UTL INFO worker:vnode-multi-mgmt:17 is stopped
12/01 15:42:02.064601 00451621 C UTL INFO worker:vnode-multi-mgmt:18 is stopping
12/01 15:42:02.064614 00451621 C UTL INFO worker:vnode-multi-mgmt:18 is stopped
12/01 15:42:02.064617 00451621 C UTL INFO worker:vnode-multi-mgmt:19 is stopping
12/01 15:42:02.064633 00451621 C UTL INFO worker:vnode-multi-mgmt:19 is stopped
12/01 15:42:02.064636 00451621 C UTL INFO worker:vnode-multi-mgmt:20 is stopping
12/01 15:42:02.064645 00451621 C UTL INFO worker:vnode-multi-mgmt:20 is stopped
12/01 15:42:02.064648 00451621 C UTL INFO worker:vnode-multi-mgmt:21 is stopping
12/01 15:42:02.064656 00451621 C UTL INFO worker:vnode-multi-mgmt:21 is stopped
12/01 15:42:01.009201 00451812 C DND ERROR vgId:8, failed to open vnode by thread:6 since WAL log incomplete
12/01 15:42:04.044649 00451621 C MND INFO sdb table:scan_detail is cleaned up
12/01 15:42:04.044654 00451621 C MND INFO sdb table:rsma is cleaned up
12/01 15:42:04.044661 00451621 C MND INFO sdb table:undefine is cleaned up
12/01 15:42:04.044666 00451621 C MND INFO sdb table:undefine is cleaned up
12/01 15:42:04.044671 00451621 C MND INFO sdb is cleaned up
12/01 15:42:04.044677 00451621 C MND INFO mnode-wal will cleanup
12/01 15:42:04.045496 00451621 C WAL INFO vgId:1, save meta file /home/data/taos/mnode/wal/meta-ver.tmp, first index:23613, last index:25622
12/01 15:42:04.045607 00451621 C WAL INFO vgId:1, remove old meta file /home/data/taos/mnode/wal/meta-ver277
12/01 15:42:04.045621 00451621 C MND INFO mnode is closed
12/01 15:42:04.045626 00451621 C DND INFO node:mnode, has been closed
12/01 15:42:04.045631 00451621 C DND INFO node:vnode, start to close
12/01 15:42:04.045642 00451621 C DND INFO node:vnode, has been closed
12/01 15:42:04.045647 00451621 C DND INFO node:qnode, start to close
12/01 15:42:04.045653 00451621 C DND INFO node:qnode, has been closed
12/01 15:42:04.045659 00451621 C DND INFO node:snode, start to close
12/01 15:42:04.045665 00451621 C DND INFO node:snode, has been closed
12/01 15:42:04.045671 00451621 C DND INFO node:bnode, start to close
12/01 15:42:04.045678 00451621 C DND INFO node:bnode, has been closed
12/01 15:42:04.045683 00451621 C DND INFO shutting down the service
12/01 15:42:01.001225 00451814 C WAL ERROR vgId:10, failed to read file /home/data/taos/vnode/vnode10/wal/00000000000751764691.log since Success, offset:9613312, extraSize:206
12/01 15:48:21.995908 00455029 C DND ERROR vgId:8, failed to open vnode by thread:6 since WAL log incomplete
12/01 15:48:22.100744 00454838 C DND ERROR there are total vnodes:11, opened:10
12/01 15:48:22.100755 00454838 C DND ERROR failed to open all vnodes since Vnode init failure
12/01 15:48:22.100759 00454838 C DND ERROR failed to init vnodes-mgmt since Vnode init failure
12/01 15:48:22.882015 00454838 C DND ERROR node:vnode, failed to open since Vnode init failure
12/01 15:48:22.882030 00454838 C DND ERROR node:vnode, failed to open since Vnode init failure
12/01 15:48:22.882033 00454838 C DND ERROR failed to open nodes since Vnode init failure
删掉 /home/data/taos/vnode/vnode10/wal/ 和 /home/data/taos/vnode/vnode8/wal/ 这两个目录后再试下
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可以了，请问怎么避免再次发生这类问题啊
这个多数是由于断电等意外导致的，我们正在设法从代码层面解决。
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