度娘过后问题可能是:服务器的运行应用程序的打开文件过多导致。 需要修改ulimit -a (open files)大小。不知道如何修改,求指导。
日志大致错误:
A fatal error has been detected by the Java Runtime Environment:
SIGSEGV (0xb) at pc=0x00007febb4e67eb3, pid=10230, tid=0x00007febb6168700
JRE version: Java(TM) SE Runtime Environment (8.0_281-b09) (build 1.8.0_281-b09)
Java VM: Java HotSpot(TM) 64-Bit Server VM (25.281-b09 mixed mode linux-amd64 compressed oops)
Problematic frame:
V [libjvm.so+0x912eb3] SR_handler(int, siginfo*, ucontext*)+0x33
Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
An error report file with more information is saved as:
/xxx/jar/hs_err_pid10230.log
If you would like to submit a bug report, please visit:
http://bugreport.java.com/bugreport/crash.jsp
服务器 free -h 信息
服务器配置: 4核 16 GiB
运行java项目 8个(springboot + dubbo + nacos)、还有nacos 服务。
8个Java 启动参数 统一只加了 -Xmx256m
服务器 ulimit -a 信息