无法在端点'tcp：//X.X.X.X：8531'创建与服务器''的连接

问题描述 投票：0回答：1

ArangoDB 3.3.4架构：64位构建日期：2018-03-06 15:40:10 build-repository：tags / v3.3.4-0-g36841fe

我使用arangod启动了一个3节点的Arangodb集群。它们是192.168.19.171,192.168.19.172,192.168.19.181。 Os是CentOS 7.2。命令如下：192.168.19.181

#nohup arangod -c /etc/arangodb3/arangod.conf --database.directory /data1/agent/data --javascript.startup-directory /usr/share/arangodb3/js --javascript.app-path /data1/agent/apps --log.file /work/log/arangodb3/agent.log --log.force-direct false --agency.activate true --server.endpoint tcp://0.0.0.0:8531 --agency.my-address tcp://192.168.19.181:8531 --agency.size 3 --agency.supervision true --foxx.queues false --server.statistics true --agency.endpoint tcp://192.168.19.172:8531 --agency.endpoint tcp://192.168.19.171:8531&
#nohup arangod -c /etc/arangodb3/arangod.conf --database.directory /data1/dbserver/data --javascript.startup-directory /usr/share/arangodb3/js --javascript.app-path /data1/dbserver/apps --log.file /work/log/arangodb3/dbserver.log --log.force-direct false --server.endpoint tcp://0.0.0.0:8530 --cluster.my-address tcp://192.168.19.181:8530 --cluster.my-role PRIMARY --foxx.queues false --server.statistics true --cluster.agency-endpoint tcp://192.168.19.181:8531 --cluster.agency-endpoint tcp://192.168.19.172:8531 --cluster.agency-endpoint tcp://192.168.19.171:8531&
#nohup arangod -c /etc/arangodb3/arangod.conf --database.directory /data1/coordinator/data --javascript.startup-directory /usr/share/arangodb3/js --javascript.app-path /data1/coordinator/apps --log.file /work/log/arangodb3/coordinator.log --log.force-direct false --server.endpoint tcp://0.0.0.0:8529 --cluster.my-address tcp://192.168.19.181:8529 -cluster.my-role COORDINATOR --foxx.queues true --server.statistics true --cluster.agency-endpoint tcp://192.168.19.181:8531 --cluster.agency-endpoint tcp://192.168.19.172:8531 --cluster.agency-endpoint tcp://192.168.19.171:8531&

192.168.19.171

#nohup arangod -c /etc/arangodb3/arangod.conf --database.directory /data1/agent/data --javascript.startup-directory /usr/share/arangodb3/js --javascript.app-path /data1/agent/apps --log.file /work/log/arangodb3/agent.log --log.force-direct false --agency.activate true --server.endpoint tcp://0.0.0.0:8531 --agency.my-address tcp://192.168.19.171:8531 --agency.size 3 --agency.supervision true --foxx.queues false --server.statistics true --agency.endpoint tcp://192.168.19.181:8531 --agency.endpoint tcp://192.168.19.172:8531&
#nohup arangod -c /etc/arangodb3/arangod.conf --database.directory /data1/dbserver/data --javascript.startup-directory /usr/share/arangodb3/js --javascript.app-path /data1/dbserver/apps --log.file /work/log/arangodb3/dbserver.log --log.force-direct false --server.endpoint tcp://0.0.0.0:8530 --cluster.my-address tcp://192.168.19.171:8530 --cluster.my-role PRIMARY --foxx.queues false --server.statistics true --cluster.agency-endpoint tcp://192.168.19.181:8531 --cluster.agency-endpoint tcp://192.168.19.172:8531 --cluster.agency-endpoint tcp://192.168.19.171:8531&
#nohup arangod -c /etc/arangodb3/arangod.conf --database.directory /data1/coordinator/data --javascript.startup-directory /usr/share/arangodb3/js --javascript.app-path /data1/coordinator/apps --log.file /work/log/arangodb3/coordinator.log --log.force-direct false --server.endpoint tcp://0.0.0.0:8529 --cluster.my-address tcp://192.168.19.171:8529 --cluster.my-role COORDINATOR --foxx.queues true --server.statistics true --cluster.agency-endpoint tcp://192.168.19.181:8531 --cluster.agency-endpoint tcp://192.168.19.172:8531 --cluster.agency-endpoint tcp://192.168.19.171:8531&

192.168.19.172

#nohup arangod -c /etc/arangodb3/arangod.conf --database.directory /data1/agent/data --javascript.startup-directory /usr/share/arangodb3/js --javascript.app-path /data1/agent/apps --log.file /work/log/arangodb3/agent.log --log.force-direct false --agency.activate true --server.endpoint tcp://0.0.0.0:8531 --agency.my-address tcp://192.168.19.172:8531 --agency.size 3 --agency.supervision true --foxx.queues false --server.statistics true --agency.endpoint tcp://192.168.19.181:8531 --#agency.endpoint tcp://192.168.19.171:8531&
#nohup arangod -c /etc/arangodb3/arangod.conf --database.directory /data1/dbserver/data --javascript.startup-directory /usr/share/arangodb3/js --javascript.app-path /data1/dbserver/apps --log.file /work/log/arangodb3/dbserver.log --log.force-direct false --server.endpoint tcp://0.0.0.0:8530 --cluster.my-address tcp://192.168.19.172:8530 --cluster.my-role PRIMARY --foxx.queues false --cluster.agency-endpoint tcp://192.168.19.181:8531 --cluster.agency-endpoint tcp://192.168.19.172:8531 --cluster.agency-endpoint tcp://192.168.19.171:8531&
#nohup arangod -c /etc/arangodb3/arangod.conf --database.directory /data1/coordinator/data --javascript.startup-directory /usr/share/arangodb3/js --javascript.app-path /data1/coordinator/apps --log.file /work/log/arangodb3/coordinator.log --log.force-direct false --server.endpoint tcp://0.0.0.0:8529 --cluster.my-address tcp://192.168.19.172:8529 --cluster.my-role COORDINATOR --foxx.queues true --server.statistics true --cluster.agency-endpoint tcp://192.168.19.181:8531 --cluster.agency-endpoint tcp://192.168.19.172:8531 --cluster.agency-endpoint tcp://192.168.19.171:8531&

总是有一些连接错误，集群没有启动!!!!例如，在192.168.19.181上

#tail -2 /work/log/arangodb3/agent.log
INFO {cluster} cannot create connection to server '' at endpoint 'tcp://192.168.19.172:8531'
INFO {cluster} cannot create connection to server '' at endpoint 'tcp://192.168.19.171:8531'

#tail -2 work/log/arangodb3/coordinator.log
INFO {agencycomm} Flaky agency communication to http+tcp://192.168.19.181:8531. Unsuccessful consecutive tries: 45 (71.27s). Network checks advised.
INFO {agencycomm} Flaky agency communication to http+tcp://192.168.19.172:8531. Unsuccessful consecutive tries: 40 (48.65s). Network checks advised.

#tail -2 /work/log/arangodb3/dbserver.log
INFO {agencycomm} Flaky agency communication to http+tcp://192.168.19.172:8531. Unsuccessful consecutive tries: 45 (71.27s). Network checks advised.
INFO {agencycomm} Flaky agency communication to http+tcp://192.168.19.171:8531. Unsuccessful consecutive tries: 46 (76.47s). Network checks advised.

但我确认了终点，它是LISTEN，

[[email protected] data1]# netstat -an|grep 8531
tcp 0 0 0.0.0.0:8531 0.0.0.0:* LISTEN
tcp 0 0 192.168.19.181:40763 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.181:8531 192.168.32.32:56349 ESTABLISHED
tcp 0 0 192.168.19.181:8531 192.168.32.32:56350 ESTABLISHED
tcp 0 0 192.168.19.181:8531 192.168.19.171:36376 ESTABLISHED
tcp 0 0 192.168.19.181:8531 192.168.19.172:60199 ESTABLISHED
tcp 0 0 192.168.19.181:40804 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.181:40792 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.181:40777 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.181:40778 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.181:8531 192.168.32.32:56351 ESTABLISHED
tcp 0 0 192.168.19.181:40789 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.181:40764 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.181:40803 192.168.19.181:8531 TIME_WAIT

[[email protected] data1]# netstat -an|grep 8531
tcp 0 0 0.0.0.0:8531 0.0.0.0:* LISTEN
tcp 0 0 192.168.19.171:45847 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45918 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38987 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38976 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45842 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45848 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45857 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:36376 192.168.19.181:8531 ESTABLISHED
tcp 0 0 192.168.19.171:45889 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45885 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:39014 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45860 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45866 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38983 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38949 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45895 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38942 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:39009 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38953 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45904 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38995 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45916 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45871 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38962 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45901 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:39001 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:39031 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45836 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38999 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:39028 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38968 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45839 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45832 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38958 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38970 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38946 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38982 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45870 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45877 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:39018 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.171:45881 192.168.19.171:8531 TIME_WAIT
tcp 0 0 192.168.19.171:38940 192.168.19.181:8531 TIME_WAIT

[[email protected] data1]# netstat -an|grep 8531
tcp 0 0 0.0.0.0:8531 0.0.0.0:* LISTEN
tcp 0 0 192.168.19.172:34810 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34821 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42547 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42528 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42521 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42475 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42486 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34842 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:60199 192.168.19.181:8531 ESTABLISHED
tcp 0 0 192.168.19.172:34862 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34854 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42536 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42513 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42498 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34815 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42485 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34831 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42497 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42550 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34878 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34867 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34822 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34846 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42509 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:42479 192.168.19.172:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34832 192.168.19.181:8531 TIME_WAIT
tcp 0 0 192.168.19.172:34884 192.168.19.181:8531 TIME_WAIT

那么，为什么会出现连接问题以及如何修复？谢谢 ！！

install arangodb
1个回答
0
投票

请使用通用工具检查通信端点是否可以彼此访问。

  • Netcat可用于检查您是否能够建立特定的TCP连接。可以手动键入非SSL协议以验证应用程序。
  • curl执行完整的HTTP请求
  • ngrep或Wireshark检查TCP协议的各个方面，看看为什么curl或netcat无法通信
  • iptables用于验证计算机上配置的过滤规则。

（最终Asker发现连接被阻止了）

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