Raft 生成快照错误

[lwh8915]

环境信息
rNacos 版本: 0.8.1-beta
Nacos Client 版本: 2.2.0 (nacos-client-2.2.0.jar)
JDK 版本: 1.8.0_181
微服务数量: 40+
部署方式: 单节点

错误日志
[2026-03-20 02:30:47.360091 +08:00 INFO rnacos::raft::filestore::raftdata] RaftDataHandler|build_snapshot [2026-03-20 02:30:47.453732 +08:00 INFO actix_web::middleware::logger] 10.58.169.24 "POST /nacos/v1/auth/users/login?username=nacos HTTP/1.1" 200 137 "-" "Java/1.8.0_181" 0.097562 [2026-03-20 02:30:47.457451 +08:00 ERROR async_raft_ext::core] error while generating snapshot error=Mailbox has closed [2026-03-20 02:30:48.329939 +08:00 INFO rnacos::grpc::server] |grpc|client_request|1_10.58.169.24:56324|ServiceListRequest|ok|0.000433569| [2026-03-20 02:30:49.533990 +08:00 INFO actix_web::middleware::logger] 10.58.169.24 "GET /nacos/v1/cs/configs?dataId=common-base.properties&group=DEFAULT_GROUP HTTP/1.1" 200 15535 "-" "python-requests/2.27.1" 0.007787 [2026-03-20 02:30:50.327969 +08:00 INFO actix_web::middleware::logger] 10.58.169.24 "POST /nacos/v1/ns/instance?groupName=DEFAULT_GROUP&serviceName=upgrade-service&healthy=True&ip=10.58.169.24&enabled=True&port=12820 HTTP/1.1" 200 2 "-" "python-requests/2.27.1" 0.000618 [2026-03-20 02:30:55.346983 +08:00 INFO actix_web::middleware::logger] 10.58.169.24 "POST /nacos/v1/ns/instance?groupName=DEFAULT_GROUP&serviceName=upgrade-service&healthy=True&ip=10.58.169.24&enabled=True&port=12820 HTTP/1.1" 200 2 "-" "python-requests/2.27.1" 0.001151 [2026-03-20 02:30:57.017095 +08:00 INFO rnacos::raft::filestore::raftdata] RaftDataHandler|build_snapshot [2026-03-20 02:30:57.124920 +08:00 INFO actix_web::middleware::logger] 10.58.169.24 "POST /nacos/v1/auth/users/login?username=nacos HTTP/1.1" 200 137 "-" "Java/1.8.0_181" 0.108873 [2026-03-20 02:30:57.127658 +08:00 ERROR async_raft_ext::core] error while generating snapshot error=Mailbox has closed [2026-03-20 02:30:58.329925 +08:00 INFO rnacos::grpc::server] |grpc|client_request|1_10.58.169.24:56324|ServiceListRequest|ok|0.000487366| [2026-03-20 02:31:00.231581 +08:00 INFO rnacos::grpc::server] |grpc|client_request|1_10.58.169.24:56204|BatchInstanceRequest|ok|0.000329638|

请问佬这个是什么原因造成的，是否可以修复

[heqingpan]

Mailbox has closed
这个错误是有个actor被关闭，具体引发错误的原因上面的日志没有看到。
往上还有什么错误吗？如果能找到最开始的错误可能可以确认是什么原因。

出现这个错误后目前只能通过重启服务解决。