Hanchers opened a new issue, #29880: URL: https://github.com/apache/doris/issues/29880
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Version 2.0.3 ### What's Wrong? 我使用v2.0.3版本的[脚本](https://github.com/apache/doris/tree/release-2.0.3/docker/runtime) 制作了自己的docker 镜像，然后通过docker compose在本地部署，发现be重复注册fe时，会导致fe报Same backend already exists 的错误，然后导致be一直在重试。 in english : I use the V2.0.3 version of the [script] (https://github.com/apache/doris/tree/release-2.0.3/docker/runtime) to make my own Docker image, and then deploy it locally by Docker Compose locally. When it is discovered that BE repeatedly registered FE, it will cause the FE to report the error of "Same Backend Alream Exists" , and then BE has been retrying regist . fe error: ``` doris-fe | 2024-01-11 11:32:40,464 INFO (colocate group clone checker|95) [ColocateTableCheckerAndBalancer.matchGroups():571] finished to check tablets. unhealth/total/added/in_sched/not_ready: 0/0/0/0/0, cost: 0 ms doris-fe | 2024-01-11 11:32:40,545 INFO (tablet checker|41) [TabletChecker.checkTablets():331] finished to check tablets. unhealth/total/added/in_sched/not_ready: 0/0/0/0/0, cost: 1 ms doris-fe | 2024-01-11 11:32:41,533 WARN (mysql-nio-pool-3|293) [StmtExecutor.handleDdlStmt():2224] DDL statement(alter system add backend '192.168.202.168:9050') process failed. doris-fe | org.apache.doris.common.DdlException: errCode = 2, detailMessage = Same backend already exists[192.168.202.168:9050] doris-fe | at org.apache.doris.system.SystemInfoService.addBackends(SystemInfoService.java:187) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.alter.SystemHandler.process(SystemHandler.java:118) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.alter.AlterHandler.process(AlterHandler.java:185) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.alter.Alter.processAlterCluster(Alter.java:736) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.catalog.Env.alterCluster(Env.java:4721) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.DdlExecutor.execute(DdlExecutor.java:205) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.StmtExecutor.handleDdlStmt(StmtExecutor.java:2215) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.StmtExecutor.executeByLegacy(StmtExecutor.java:763) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:459) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:429) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.ConnectProcessor.handleQuery(ConnectProcessor.java:435) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.ConnectProcessor.dispatch(ConnectProcessor.java:583) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.ConnectProcessor.processOnce(ConnectProcessor.java:834) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.mysql.ReadListener.lambda$handleEvent$0(ReadListener.java:52) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_342] doris-fe | at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_342] doris-fe | at java.lang.Thread.run(Thread.java:750) ~[?:1.8.0_342] doris-fe | 2024-01-11 11:32:42,650 WARN (mysql-nio-pool-3|293) [StmtExecutor.handleDdlStmt():2224] DDL statement(alter system add backend '192.168.202.168:9050') process failed. doris-fe | org.apache.doris.common.DdlException: errCode = 2, detailMessage = Same backend already exists[192.168.202.168:9050] doris-fe | at org.apache.doris.system.SystemInfoService.addBackends(SystemInfoService.java:187) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.alter.SystemHandler.process(SystemHandler.java:118) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.alter.AlterHandler.process(AlterHandler.java:185) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.alter.Alter.processAlterCluster(Alter.java:736) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.catalog.Env.alterCluster(Env.java:4721) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.DdlExecutor.execute(DdlExecutor.java:205) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.StmtExecutor.handleDdlStmt(StmtExecutor.java:2215) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.StmtExecutor.executeByLegacy(StmtExecutor.java:763) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:459) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.StmtExecutor.execute(StmtExecutor.java:429) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.ConnectProcessor.handleQuery(ConnectProcessor.java:435) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.ConnectProcessor.dispatch(ConnectProcessor.java:583) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.qe.ConnectProcessor.processOnce(ConnectProcessor.java:834) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at org.apache.doris.mysql.ReadListener.lambda$handleEvent$0(ReadListener.java:52) ~[doris-fe.jar:1.2-SNAPSHOT] doris-fe | at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_342] doris-fe | at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_342] doris-fe | at java.lang.Thread.run(Thread.java:750) ~[?:1.8.0_342] doris-fe | 2024-01-11 11:32:43,494 INFO (Thread-54|97) [InternalCatalog.createDb():420] create database[default_cluster:__internal_schema] which already exists ``` be error ``` oris-be | 2024-01-11T11:32:19+00:00 [Warn] [Entrypoint]: FE_SERVERS fe1:192.168.202.168:9010 doris-be | 2024-01-11T11:32:19+00:00 [Warn] [Entrypoint]: BE_ADDR 192.168.202.168:9050 doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: MASTER_FE_IP 192.168.202.168 doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: CURRENT_BE_IP 192.168.202.168 doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: CURRENT_BE_PORT 9050 doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: PRIORITY_NETWORKS 192.168.202.0/24 doris-be | fe_e4e00a73_cb90_4754_add2_8f685a509bf6 192.168.202.168 9010 8030 9030 9020 FOLLOWER true 610080311 true true 829 2024-01-11 11:32:15 true doris-2.0.3-rc06-37d31a5 Yes doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: MASTER FE is started! doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: add priority_networks 192.168.202.0/24 to /opt/apache-doris/be/conf/be.conf doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: this node role is mix doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: ============= init args ================ doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: MASTER_FE_IP 192.168.202.168 doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: CURRENT_BE_IP 192.168.202.168 doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: CURRENT_BE_PORT 9050 doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: BE is not register. retry. doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: RUN_TYPE ELECTION doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: PRIORITY_NETWORKS 192.168.202.0/24 doris-be | 10022 192.168.202.168 9050 -1 -1 -1 NULL NULL false false 0 0.000 0.000 1.000 B 0.000 0.00 % 0.00 % 0.000 {"location" : "default"} java.net.ConnectException: Connection refused (Connection refused) {"lastStreamLoadTime":-1,"isQueryDisabled":false,"isLoadDisabled":false} 435 doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: Verify that BE is registered to FE successfully doris-be | 2024-01-11T11:32:19+00:00 [Note] [Entrypoint]: Register BE to FE is failed. retry. doris-be | 10022 192.168.202.168 9050 -1 -1 -1 NULL NULL false false 0 0.000 0.000 1.000 B 0.000 0.00 % 0.00 % 0.000 {"location" : "default"} java.net.ConnectException: Connection refused (Connection refused) {"lastStreamLoadTime":-1,"isQueryDisabled":false,"isLoadDisabled":false} 436 doris-be | 2024-01-11T11:32:20+00:00 [Note] [Entrypoint]: Verify that BE is registered to FE successfully doris-be | 2024-01-11T11:32:20+00:00 [Note] [Entrypoint]: Register BE to FE is failed. retry. doris-be | 10022 192.168.202.168 9050 -1 -1 -1 NULL NULL false false 0 0.000 0.000 1.000 B 0.000 0.00 % 0.00 % 0.000 {"location" : "default"} java.net.ConnectException: Connection refused (Connection refused) {"lastStreamLoadTime":-1,"isQueryDisabled":false,"isLoadDisabled":false} 436 ``` my fe docker compse.yml ``` services: doris-fe: image: doris-fe-x64:2.0.3 hostname: doris-fe container_name: doris-fe volumes: - /data/apache-doris/fe/doris-meta/:/opt/apache-doris/fe/doris-meta - /data/apache-doris/fe/log/:/opt/apache-doris/fe/log - ./conf/fe.conf:/opt/apache-doris/fe/conf/fe.conf environment: - FE_SERVERS=fe1:192.168.202.168:9010 - FE_ID=1 network_mode: host ``` my be docker compse.yml ``` services: doris-be: image: doris-be-x64:2.0.3 hostname: doris-be container_name: doris-be environment: - FE_SERVERS=fe1:192.168.202.168:9010 - BE_ADDR=192.168.202.168:9050 volumes: - /data/apache-doris/be/storage/:/opt/apache-doris/be/storage - /data/apache-doris/be/log/:/opt/apache-doris/be/log - ./conf/be.conf:/opt/apache-doris/be/conf/be.conf network_mode: host ``` ### What You Expected? be can repeat regist fe ### How to Reproduce? _No response_ ### Anything Else? i will fix this problem. and my idea is is if the address exists, skip and return that method. ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. 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