【 使用环境 】测试环境
【 OB or 其他组件 】
【 使用版本 】Docker镜像 quay.io/oceanbase/oceanbase-ce:latest sha256:af8df7e7131c8c06ad70cb2319d163811bba65063b8ebeb5c1dccdfff5900830
【问题描述】OBD-2002: Failed to start 172.17.0.4 observer
【复现路径】原本启动成功并且导入了数据库并使用了 结果突然未响应 重新查看服务挂了 重启就报错OBD-2002: Failed to start 172.17.0.4 observer
【附件及日志】推荐使用OceanBase敏捷诊断工具obdiag收集诊断信息,详情参见链接（右键跳转查看）：
【docker启动命令】: sudo docker run -p 2881:2881 -p 2883:2883 -v D:/OcenBase/root/ob:/root/ob -v D:/OcenBase/root/.obd/cluster:/root/.obd/cluster --name obstandalone_local -e MODE=MINI -e OB_TENANT_PASSWORD=rootPWD123 -d Quay
【observer-template.yaml】：
oceanbase-ce:
servers:
- ${OB_SERVER_IP}
global:
home_path: /root/ob/observer
mysql_port: 2881
rpc_port: 2882
zone: zone1
cluster_id: 1
appname: ${OB_CLUSTER_NAME}
memory_limit: 8G
system_memory: 3G
datafile_size: 5G
log_disk_size: 5G
root_password: ${OB_SYS_PASSWORD}
obconfig_url: ${OB_CONFIGURL}
scenario: ${OB_SCENARIO}
cpu_count: 16
production_mode: false
syslog_level: INFO
enable_syslog_wf: false
enable_syslog_recycle: true
max_syslog_file_count: 4
enable_rich_error_msg: true
【控制台日志】
sh-4.4# obd cluster start obcluster
Get local repositories ok
Load cluster param plugin ok
Open ssh connection ok
[WARN] OBD-1011: (172.17.0.4) The recommended value of fs.aio-max-nr is 1048576 (Current value: 65536)
[WARN] OBD-1007: (172.17.0.4) The recommended number of core file size is unlimited (Current value: 0)
[WARN] OBD-1007: (172.17.0.4) The recommended number of stack size is unlimited (Current value: 8192)
[WARN] OBD-1017: (172.17.0.4) The value of the “vm.max_map_count” must be within [327600, 1310720] (Current value: 262144, Recommended value: 655360)
[WARN] OBD-1017: (172.17.0.4) The value of the “vm.overcommit_memory” must be 0 (Current value: 1, Recommended value: 0)
cluster scenario: express_oltp
Start observer ok
observer program health check x
[WARN] OBD-2002: Failed to start 172.17.0.4 observer
See https://www.oceanbase.com/product/ob-deployer/error-codes .
Trace ID: 446492e8-69e9-11f0-ba2b-0242ac110004
If you want to view detailed obd logs, please run: obd display-trace 446492e8-69e9-11f0-ba2b-0242ac110004
【obd display-trace 详细日志】
[2025-07-26 06:25:07.124] [INFO] observer program health check
[2025-07-26 06:25:10.174] [DEBUG] – 172.17.0.4 program health check
[2025-07-26 06:25:10.174] [DEBUG] – root@172.17.0.4 execute: cat /root/ob/observer/run/observer.pid
[2025-07-26 06:25:10.188] [DEBUG] – exited code 0
[2025-07-26 06:25:10.188] [DEBUG] – root@172.17.0.4 execute: ls /proc/1043
[2025-07-26 06:25:10.257] [DEBUG] – exited code 2, error output:
[2025-07-26 06:25:10.257] [DEBUG] ls: cannot access ‘/proc/1043’: No such file or directory
[2025-07-26 06:25:10.257] [DEBUG]
[2025-07-26 06:25:10.302] [WARNING] OBD-2002: Failed to start 172.17.0.4 observer
[2025-07-26 06:25:10.302] [DEBUG] - sub health_check ref count to 0
[2025-07-26 06:25:10.302] [DEBUG] - export health_check
[2025-07-26 06:25:10.302] [DEBUG] - plugin oceanbase-ce-py_script_health_check-3.1.0 result: False
[2025-07-26 06:25:10.305] [DEBUG] - share lock /root/.obd/lock/mirror_and_repo release, count 1
[2025-07-26 06:25:10.305] [DEBUG] - share lock /root/.obd/lock/mirror_and_repo release, count 0
[2025-07-26 06:25:10.305] [DEBUG] - unlock /root/.obd/lock/mirror_and_repo
[2025-07-26 06:25:10.306] [DEBUG] - exclusive lock /root/.obd/lock/deploy_obcluster release, count 0
[2025-07-26 06:25:10.306] [DEBUG] - unlock /root/.obd/lock/deploy_obcluster
[2025-07-26 06:25:10.306] [DEBUG] - share lock /root/.obd/lock/global release, count 0
[2025-07-26 06:25:10.306] [DEBUG] - unlock /root/.obd/lock/global
[2025-07-26 06:25:10.306] [INFO] See https://www.oceanbase.com/product/ob-deployer/error-codes .
[2025-07-26 06:25:10.306] [INFO] Trace ID: 446492e8-69e9-11f0-ba2b-0242ac110004
[2025-07-26 06:25:10.306] [INFO] If you want to view detailed obd logs, please run: obd display-trace 446492e8-69e9-11f0-ba2b-0242ac110004
