【 使用环境 】生产环境和测试环境
【 OB or 其他组件 】OBServer
【 使用版本 】3.2.4.5
REVISION: 105010012023090116-f22d15af84beae207f456dbe43f689d5fe962373
【问题描述】 [OBServer 程序日志] 集群：xxxxxxxx，主机：x.x.x.x，日志类型：observer，日志文件：/home/admin/oceanbase/log/observer.log，日志级别：ERROR，关键字=，错误码=-1，日志详情=[2025-08-25 04:36:17.146876] ERROR issue_dba_error (ob_log.cpp:2322) [1813605][0][Y0-0000000000000000-0-0] [lt=6] [dc=0][errcode=-4388] Unexpected internal error happen, please checkout the internal errcode(errcode=-4016, file=“ob_rpc_protocol_processor.cpp”, line_no=247, info=“invalid mflag”) 。
【复现路径】未做任何操作
【附件及日志】[2025-08-25 04:36:17.146705] INFO [RPC] ob_listener.cpp:225 [1813601][0][Y0-0000000000000000-0-0] [lt=2] [dc=0] read negotiation msg(rcv_byte=42)
[2025-08-25 04:36:17.146716] INFO [RPC] ob_listener.cpp:235 [1813601][0][Y0-0000000000000000-0-0] [lt=10] [dc=0] not negotiation msg! header magic does not
match!
[2025-08-25 04:36:17.146724] INFO [RPC] ob_listener.cpp:402 [1813601][0][Y0-0000000000000000-0-0] [lt=4] [dc=0] round-robin, dispatch to(magic=132137029547
3772970, ioth_index=93)
[2025-08-25 04:36:17.146733] INFO [RPC] ob_listener.cpp:291 [1813601][0][Y0-0000000000000000-0-0] [lt=5] [dc=0] oblistener receive connection from(src_addr
=“10.153.115.101”, src_port=46748)
[2025-08-25 04:36:17.146740] INFO [RPC] ob_listener.cpp:267 [1813601][0][Y0-0000000000000000-0-0] [lt=3] [dc=0] dipatch(conn_fd=464, count=10, index=93, wr
fd=85)
[2025-08-25 04:36:17.146750] INFO [RPC] ob_listener.cpp:273 [1813601][0][Y0-0000000000000000-0-0] [lt=4] [dc=0] dispatch success!(conn_fd=464, wrfd=85)
[2025-08-25 04:36:17.146834] INFO [STORAGE] ob_locality_manager.cpp:150 [1813605][0][Y0-0000000000000000-0-0] [lt=8] [dc=0] rpc connection accept(local_add
r=“xxx.xx.xxx:2882”, dest=“xxx.xx.xxx:2882_xxx.xx.xxx:46748_464_0x7f9cc05c8980 tp=0 t=1756067777146797-0 s=0 r=0 io=0/0 sq=0”, use_ssl=false, ssl_invited_
nodes=)
[2025-08-25 04:36:17.146855] WDIAG [SERVER] ob_rpc_intrusion_detect.cpp:50 [1813605][0][Y0-0000000000000000-0-0] [lt=11] [dc=0][errcode=0] RPC INTRUSION DET
ECT: receive TCP connection out of this cluster,may be a new server just add to this cluster or an ‘ob_admin’ operation happening(local_addr=“10.xxx.xx.xxx
:46748”)
[2025-08-25 04:36:17.146876] ERROR issue_dba_error (ob_log.cpp:2322) [1813605][0][Y0-0000000000000000-0-0] [lt=6] [dc=0][errcode=-4388] Unexpected internal
error happen, please checkout the internal errcode(errcode=-4016, file=“ob_rpc_protocol_processor.cpp”, line_no=247, info=“invalid mflag”)
[2025-08-25 04:36:17.146886] EDIAG [RPC.OBRPC] ob_rpc_protocol_processor.cpp:247 [1813605][0][Y0-0000000000000000-0-0] [lt=8] [dc=0][errcode=-4016] invalid
mflag(mflag[0]=3, mflag[1]=0, mflag[2]=0, mflag[3]=42, ret=-4016) BACKTRACE:0x11270680 0x11257784 0x5f56a4f 0x5f56588 0x5f56122 0x11dd9286 0x11da6e5a 0x5dc0
97b 0x5dbdc75 0x5dbd7b2 0x5dbc91a 0x5dbbc4e 0x5d9bf15 0x5dcd714 0x5ddcf52 0x12de9f31 0x7fa07bb902de 0x7fa07b41be83
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