alibaba/Sentinel

JVM crash on JMX getSystemCpuLoad when using Sentinel

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#2,885 opened on Sep 20, 2022

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Description

Issue Description

Type: bug report or fea hs_err_pid6440.log ture request

Describe what happened (or what feature you want)

Describe what you expected to happen

How to reproduce it (as minimally and precisely as possible)

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Contributor guide

Research direction
Analyze the hs err pid6440.log file to identify the crash location. Check Sentinel's JMX integration, specifically getSystemCpuLoad method. Reproduce the issue under similar environment.
Tech stack
java
Domain
backend
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Over 1 week
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Needs maintainer response
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Unclear
Prerequisites
JavaJVMJMX
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20