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The windows client can't connect to the linux server #3467

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moziie opened this issue Sep 10, 2020 · 6 comments
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The windows client can't connect to the linux server #3467

moziie opened this issue Sep 10, 2020 · 6 comments
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@localvar
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help wanted Extra attention is needed question Further information is requested

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@moziie
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moziie commented Sep 10, 2020 •
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无法建立连接后，日志文件中最后一行ERROR TSC, failed to create eventfd(File exists)，我已经按照FAQ中步骤处理过，能ping通，端口6030到6042全部打开，防火墙也关了，但是依旧报错无法建立连接，请问哪里还有问题呢，补充一下linux服务器上使用taos -h ip也无法建立连接，但是使用taos -h 127.0.0.1就可以
@moziie moziie added help wanted Extra attention is needed question Further information is requested labels Sep 10, 2020
@sangshuduo
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先解决 Linux 上连接，把 /etc/taos/taos.cfg 中 debugFlag 设为 135，然后用 taos -h ip -c /etc/taos 连不上后再看一下 /var/log/taos/taoslog0.0 最近一段的错误输出是什么？

@localvar
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failed to create eventfd(File exists) 本身不是严重问题，它实际上是由于无法建立连接导致的。
对于无法连接的问题，您可以把远程连接方式发到 bmzhang@taosdata.com 吗？

@Aries-Lee1991 Aries-Lee1991 changed the title windows客户端无法连接到linux的服务端 The windows client can't connect to the linux server Sep 10, 2020
@moziie
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moziie commented Sep 10, 2020

先解决 Linux 上连接，把 /etc/taos/taos.cfg 中 debugFlag 设为 135，然后用 taos -h ip -c /etc/taos 连不上后再看一下 /var/log/taos/taoslog0.0 最近一段的错误输出是什么？

日志文件最新内容 new log file

09/10 15:22:30.178125 0x7fdffa6cb200 UTL all debug flag are set to 135
09/10 15:22:30.178342 0x7fdffa6cb200 UTL localEp is: VM-0-3-centos:6030
09/10 15:22:30.178489 0x7fdffa6cb200 UTL timezone not configured, set to system default: (CST, +0800)
09/10 15:22:30.178549 0x7fdffa6cb200 UTL ERROR locale not configured, set to system default:en_US.utf8
09/10 15:22:30.178557 0x7fdffa6cb200 UTL WARN charset not configured, set to system default:UTF-8
09/10 15:22:30.178571 0x7fdffa6cb200 UTL taos config & system info:
09/10 15:22:30.178575 0x7fdffa6cb200 UTL ==================================
09/10 15:22:30.178576 0x7fdffa6cb200 UTL firstEp: VM-0-3-centos:6030
09/10 15:22:30.178577 0x7fdffa6cb200 UTL secondEp: VM-0-3-centos:6030
09/10 15:22:30.178579 0x7fdffa6cb200 UTL fqdn: VM-0-3-centos
09/10 15:22:30.178580 0x7fdffa6cb200 UTL serverPort: 6030
09/10 15:22:30.178581 0x7fdffa6cb200 UTL configDir: /var/log/taos
09/10 15:22:30.178582 0x7fdffa6cb200 UTL logDir: /var/log/taos
09/10 15:22:30.178584 0x7fdffa6cb200 UTL scriptDir: /etc/taos
09/10 15:22:30.178585 0x7fdffa6cb200 UTL arbitrator:
09/10 15:22:30.178586 0x7fdffa6cb200 UTL numOfThreadsPerCore: 1.000000
09/10 15:22:30.178596 0x7fdffa6cb200 UTL rpcTimer: 1000(ms)
09/10 15:22:30.178597 0x7fdffa6cb200 UTL rpcMaxTime: 600(s)
09/10 15:22:30.178599 0x7fdffa6cb200 UTL shellActivityTimer: 3(s)
09/10 15:22:30.178600 0x7fdffa6cb200 UTL tableMetaKeepTimer: 7200(s)
09/10 15:22:30.178601 0x7fdffa6cb200 UTL compressMsgSize: -1
09/10 15:22:30.178603 0x7fdffa6cb200 UTL maxSQLLength: 65480(byte)
09/10 15:22:30.178604 0x7fdffa6cb200 UTL maxNumOfOrderedRes: 100000
09/10 15:22:30.178606 0x7fdffa6cb200 UTL timezone: (CST, +0800)
09/10 15:22:30.178607 0x7fdffa6cb200 UTL locale: en_US.utf8
09/10 15:22:30.178608 0x7fdffa6cb200 UTL charset: UTF-8
09/10 15:22:30.178610 0x7fdffa6cb200 UTL numOfLogLines: 10000000
09/10 15:22:30.178611 0x7fdffa6cb200 UTL asyncLog: 1
09/10 15:22:30.178613 0x7fdffa6cb200 UTL debugFlag: 135
09/10 15:22:30.178614 0x7fdffa6cb200 UTL rpcDebugFlag: 135
09/10 15:22:30.178615 0x7fdffa6cb200 UTL tmrDebugFlag: 131
09/10 15:22:30.178617 0x7fdffa6cb200 UTL cDebugFlag: 135
09/10 15:22:30.178618 0x7fdffa6cb200 UTL jniDebugFlag: 135
09/10 15:22:30.178619 0x7fdffa6cb200 UTL odbcDebugFlag: 135
09/10 15:22:30.178621 0x7fdffa6cb200 UTL uDebugFlag: 135
09/10 15:22:30.178622 0x7fdffa6cb200 UTL qDebugFlag: 135
09/10 15:22:30.178624 0x7fdffa6cb200 UTL tsdbDebugFlag: 135
09/10 15:22:30.178625 0x7fdffa6cb200 UTL gitinfo: 1527828
09/10 15:22:30.178626 0x7fdffa6cb200 UTL gitinfoOfInternal:
09/10 15:22:30.178628 0x7fdffa6cb200 UTL buildinfo: Built by root at 2020-08-26 12:00
09/10 15:22:30.178629 0x7fdffa6cb200 UTL version: 2.0.2.1
09/10 15:22:30.178630 0x7fdffa6cb200 UTL maxBinaryDisplayWidth: 30
09/10 15:22:30.178632 0x7fdffa6cb200 UTL os pageSize: 4096(KB)
09/10 15:22:30.178634 0x7fdffa6cb200 UTL os openMax: 100001
09/10 15:22:30.178635 0x7fdffa6cb200 UTL os streamMax: 16
09/10 15:22:30.178636 0x7fdffa6cb200 UTL os numOfCores: 8
09/10 15:22:30.178638 0x7fdffa6cb200 UTL os totalDisk: 0.000000(GB)
09/10 15:22:30.178639 0x7fdffa6cb200 UTL os totalMemory: 15875(MB)
09/10 15:22:30.178641 0x7fdffa6cb200 UTL os sysname: Linux
09/10 15:22:30.178642 0x7fdffa6cb200 UTL os nodename: VM-0-3-centos
09/10 15:22:30.178643 0x7fdffa6cb200 UTL os release: 4.18.0-80.el8.x86_64
09/10 15:22:30.178644 0x7fdffa6cb200 UTL os version: #1 SMP Tue Jun 4 09:19:46 UTC 2019
09/10 15:22:30.178645 0x7fdffa6cb200 UTL os machine: x86_64
09/10 15:22:30.178648 0x7fdffa6cb200 UTL ==================================
09/10 15:22:30.178649 0x7fdffa6cb200 TSC starting to initialize TAOS client ...
09/10 15:22:30.178650 0x7fdffa6cb200 TSC Local End Point is:VM-0-3-centos:6030
09/10 15:22:30.178904 0x7fdffa6cb200 UTL tsc scheduler is initialized, numOfThreads:4
09/10 15:22:30.178995 0x7fdffa6cb200 UTL tmr scheduler is initialized, numOfThreads:1
09/10 15:22:30.179211 0x7fdffa6cb200 TSC client is initialized successfully
09/10 15:22:30.179227 0x7fdffa6cb200 TSC try to create a connection to 192.168.49.30:0, user:root db:(null)
09/10 15:22:30.179253 0x7fdffa6cb200 UTL pool:0x19fa650 is setup, maxId:5000
09/10 15:22:30.179726 0x7fdffa6cb200 RPC TSC TCP client is initialized, ip:0:0
09/10 15:22:30.179736 0x7fdffa6cb200 UTL open udp socket:0x0:0
09/10 15:22:30.179808 0x7fdffa6cb200 RPC TSC UDP connection is initialized, ip:0:0 threads:1
09/10 15:22:30.179815 0x7fdffa6cb200 RPC TSC rpc is openned, threads:1 sessions:5000
09/10 15:22:30.179817 0x7fdffa6cb200 TSC dnodeConn:0x19fa570 is created, user:root
09/10 15:22:30.179825 0x7fdffa6cb200 TSC 0x1a681d0 SQL cmd:connect will be processed, name:(null), type:0
09/10 15:22:30.179829 0x7fdffa6cb200 RPC malloc mem: 0x1a69a20
09/10 15:22:30.179840 0x7fdff48d8700 RPC TSC UDP thread is created, index:0
09/10 15:22:30.179841 0x7fdffa6cb200 RPC TSC 0x7fdff51a8188 client connection is allocated, uid:0xf51b5a06
09/10 15:22:30.179983 0x7fdffa6cb200 RPC TSC UDP connection is setup, ip:6030e931:6030 localPort:60235
09/10 15:22:30.179990 0x7fdffa6cb200 RPC TSC 0x7fdff51a8188 0x1a681d0, connect is sent to 192.168.49.30:6030, len:345 sig:0x01000000:0x00000000:39411
09/10 15:22:31.184186 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, expected connect-rsp is not received
09/10 15:22:31.184203 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, re-send msg:connect to 192.168.49.30:6030
09/10 15:22:31.184210 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, connect is sent to 192.168.49.30:6030, len:345 sig:0x01000000:0x00000000:39411
09/10 15:22:32.189181 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, expected connect-rsp is not received
09/10 15:22:32.189194 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, re-send msg:connect to 192.168.49.30:6030
09/10 15:22:32.189204 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, connect is sent to 192.168.49.30:6030, len:345 sig:0x01000000:0x00000000:39411
09/10 15:22:33.194180 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, expected connect-rsp is not received
09/10 15:22:33.194191 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, re-send msg:connect to 192.168.49.30:6030
09/10 15:22:33.194197 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, connect is sent to 192.168.49.30:6030, len:345 sig:0x01000000:0x00000000:39411
09/10 15:22:34.199181 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, expected connect-rsp is not received
09/10 15:22:34.199195 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, failed to send msg:connect to 192.168.49.30:6030
09/10 15:22:34.199204 0x7fdff6b76700 RPC TSC 0x7fdff51a8188 0x1a681d0, rpc connection is released
09/10 15:22:34.199206 0x7fdff6b76700 RPC TSC 0x1a681d0, connection error happens
09/10 15:22:34.199231 0x7fdff6b76700 TSC 0x1a681d0 SQL cmd:connect, code:Unable to establish connection rspLen:0
09/10 15:22:34.199241 0x7fdff6b76700 RPC free mem: 0x1a69a20
09/10 15:22:34.199262 0x7fdffa6cb200 TSC 0x1a681d0 start to free sql object
09/10 15:22:34.199301 0x7fdffa6cb200 TSC 0x1a681d0 start to free local reducer
09/10 15:22:34.199304 0x7fdffa6cb200 TSC 0x1a681d0 local reducer has been freed, abort
09/10 15:22:34.199311 0x7fdffa6cb200 TSC 0x1a681d0 SqlObj is freed by app, qhandle is null
09/10 15:22:34.199353 0x7fdffa6cb200 RPC TSC TCP client is stopped
09/10 15:22:34.199402 0x7fdff48d8700 RPC TSC UDP socket was closed, exiting(Success)
09/10 15:22:34.199527 0x7fdffa6cb200 RPC TSC UDP is stopped
09/10 15:22:34.199796 0x7fdff50d9700 RPC TSC TCP thread get stop event, exiting...
09/10 15:22:34.199883 0x7fdffa6cb200 RPC TSC TCP client is cleaned up
09/10 15:22:34.199910 0x7fdffa6cb200 RPC TSC UDP is cleaned up
09/10 15:22:34.199915 0x7fdffa6cb200 RPC TSC rpc is closed
09/10 15:22:34.200018 0x7fdffa6cb200 UTL pool:0x19fa650 is cleaned
09/10 15:22:34.200032 0x7fdffa6cb200 RPC TSC rpc resources are released
09/10 15:22:34.200034 0x7fdffa6cb200 TSC 0x1a68100 DB connection is closed, dnodeConn:0x19fa570

@hjxilinx
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这里没有错误信息。您可以直接把全部连不上的情况下的日志全部打包直接发到 @localvar 的邮箱。

@moziie
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moziie commented Sep 11, 2020

可以了，参考这个https://www.taosdata.com/blog/2019/07/26/514.html

@hjxilinx
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OK

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