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

Status

closed

Product Version

4.0.65

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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