Hi,
I have a problem that sometimes the NIO selector goes into a busy wait loop.
In line 1430 the code of NIOEndpoint.java,
keyCount = selector.select(selectorTimeout);
select keeps returning 0 without waiting.
I'm running on the latest trunk version of tomcat 6, on Ubuntu Linux
Feisty, with java version:
java version "1.6.0"
Java(TM) SE Runtime Environment (build 1.6.0-b105)
Java HotSpot(TM) Server VM (build 1.6.0-b105, mixed mode)
However, I've seen this same behavior with other JDK's (1.5).
To me it seems that it's a bug in the JVM implementation because select
should only return 0 if it's woken up, which does not happen (since all
other threads are suspended in my debugger). However, I was wondering if
anybody else has seen this behavior and perhaps knows what's causing it
in the first place.
Regards,
Sebastiaan
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