Bugs item #727266, was opened at 2003-04-25 01:17
Message generated for change (Comment added) made by slaboure
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=376685&aid=727266&group_id=22866

Category: None
Group: None
>Status: Closed
>Resolution: Rejected
Priority: 5
Submitted By: Paul Bandler (paulbandler)
Assigned to: Nobody/Anonymous (nobody)
Summary: JNDIView::list && Circular ExternalContext References

Initial Comment:
If two (or more) JBoss instances are configured with 
ExternalContext references that point to each other 
(directly or transitively), then invoking the JNDIView::list 
MBean service on one of these systems sends it into a 
spin as it recursively follows the reference around and 
around.  Neither cancelling the HTTP operation nor, 
stoping , destroying and re-starting the JNDIView service 
enabled the JBoss instance to recover.

The problem can be guarded against by not setting the 
ExternalContext::RemoteAccess atttribute to true.

Adrian suggests on the following thread that it may not 
be possible to detect this type of circularity.  However 
as the side effect is so catastrophic and it is so easily 
to configure I think it merit some thought as to how 
somekind of referal limit could be imposed, or some-way 
to find and cancel the offending thread without bringing 
down the entire server could be achieved in the event of 
such a 'run-away' service.

http://www.jboss.org/thread.jsp?
nav=false&forum=63&thread=31638&start=0&msRange=
15

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>Comment By: Sacha Labourey (slaboure)
Date: 2003-11-07 12:57

Message:
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Spilling water in your keyboard may be dangerous.

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You can respond by visiting: 
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