0006435: race condition in ScriptStackTrace causing 100% cpu usage

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Category

Severity

Reproducibility

Date Submitted

Last Update

0006435

[Resin]

minor

always

07-30-21 08:52

09-15-21 15:11

Reporter

nam

View Status

public

Assigned To

ferg

Priority

normal

Resolution

fixed

Platform

Status

closed

Projection

none

OS Version

ETA

none

Fixed in Version

4.0.66

Product Version

4.0.65

Product Build

Summary

0006435: race condition in ScriptStackTrace causing 100% cpu usage

Description

(rep by M. Secrett)

WeakHashMap used in ScriptStackTrace.java may be causing a race condition resulting in 100% CPU. See WeakHashMap app-0.log for multiple references to threads stuck in WeakHashMap used by ScriptStackTrace.getScriptLineMap().

"resin-port-8080-1086 RUNNABLE
                         at java.util.WeakHashMap.transfer (WeakHashMap.java:529)
                         at java.util.WeakHashMap.resize (WeakHashMap.java:494)
                         at java.util.WeakHashMap.put (WeakHashMap.java:467)
                         at com.caucho.java.ScriptStackTrace.getScriptLineMap (ScriptStackTrace.java:138)
                         at com.caucho.quercus.env.ProEnv.getSourceLine (ProEnv.java:104)
                         at com.caucho.quercus.lib.ErrorModule.debug_backtrace_exception (ErrorModule.java:169)
                         at com.caucho.quercus.lib.ErrorModule.debug_backtrace (ErrorModule.java:112)
                         at com.caucho.quercus.lib.ExceptionClass.__construct (ExceptionClass.java:74)

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Issue History
Date Modified	Username	Field	Change
07-30-21 08:52	nam	New Issue
09-15-21 15:11	ferg	Assigned To	=> ferg
09-15-21 15:11	ferg	Status	new => closed
09-15-21 15:11	ferg	Resolution	open => fixed
09-15-21 15:11	ferg	Fixed in Version	=> 4.0.66

Mantis 1.0.0rc3[^]

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