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From David kerber <dcker...@verizon.net>
Subject Re: Tomcat 100% CPU usage after moving from Java 5 to 6
Date Mon, 25 Jan 2010 13:41:47 GMT
Jesse Klaasse wrote:
> Hi Leon,
> 
> I don't know what you mean exactly by "re-intrant", but your comment points
> out I have created an endless while-loop! Apart from moving to Java 6, I had
> commented out some lines to reduce logging, not noticing I had created an
> endless loop by doing so. I only did this in a jar compiled for Java 6, so
> everytime I tried rolling back to Java 5, I also used the old jar (which
> didn't have the lines commented out), and the old jar didn't have the
> infinite loop. Stupid!
> 
> I was completely sure the change from Java 5 to Java 6 was a far bigger one
> than the commented-out-lines, but this turns out to be not true at all in
> this case!

IME, the change from java 5 to java 6 is entirely transparent to the 
application, and the only difference I've seen is a bit better 
performance under 6.  That probably won't be everybody's experience, but 
it is mine.

D


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