[bugs #8921] LogManager.findAncestor throws exception if a logger has been garbage collected

[anonymous]

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 of the project: classpath.




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[bugs #8921] Full Item Snapshot:

URL: <http://savannah.gnu.org/bugs/?func=detailitem&item_id=8921>
Project: classpath
Submitted by: 0
On: Wed 05/12/04 at 21:45

Severity:  5 - Average
Resolution:  None
Assigned to:  None
Status:  Open
Platform Version:  None


Summary:  LogManager.findAncestor throws exception if a logger has been garbage 
collected

Original Submission:  Because the LogManager maintains a copy of all loggers as 
weak references, loggers can be garbage collected.

This means that if a logger is GC'd, the next time the logger is looked up (via 
Logger.getLogger), an ArrayIndexOutOfBounds exception will be thrown in the 
charAt(candNameLength) statement, because candName and child will reference the 
same logger [at some point], thus candNameLength == childName.length(), 
therefore, childName.charAt(candNameLength) is out of bounds.











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