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ExceptionHistogram 触发 ConcurrentHashMap bug #95

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lrwh opened this issue Sep 3, 2024 · 0 comments
Closed

ExceptionHistogram 触发 ConcurrentHashMap bug #95

lrwh opened this issue Sep 3, 2024 · 0 comments

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@lrwh
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lrwh commented Sep 3, 2024 •
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异常信息

image

image

通过分析，主要是第73行代码触发了 bug,触发bug主要是因为hash碰撞，map无法及时扩容，JDK-8062841 : ConcurrentHashMap.computeIfAbsent stuck in an endless loop

long count = histogram.computeIfAbsent(typeName, k -> new AtomicLong()).getAndIncrement();
lrwh pushed a commit that referenced this issue Sep 3, 2024
修复 ExceptionHistogram 触发 ConcurrentHashMap bug #95
f6a08b6
lrwh added a commit that referenced this issue Sep 3, 2024
@lrwh
Merge pull request #96 from GuanceCloud/liurui
742e3b0 
修复 ExceptionHistogram 触发 ConcurrentHashMap bug #95
@lrwh lrwh closed this as completed Oct 10, 2024
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@lrwh