Coldfusion server restarts after a few days? Here's a possible solution.

Posted At : September 25, 2007 7:34 PM | Posted By : James Holmes
Related Categories: ColdFusion

After experiencing a random cf7 restart recently, I dug around and found this in the log:

Exception java.lang.OutOfMemoryError: requested 1024000 bytes for GrET* in /export1/jdk142-update/ws/fcs/hotspot/src/share/vm/utilities/growableArray.cpp. Out of swap space?
autorestart: Restarting process

I found some bug reports on Sun's site, with the usual buck-passing and claims regarding non-reproducibility, with no solid resolution; then I found Steven Erat's blog on the subject:

http://www.talkingtree.com/blog/index.cfm/2006/4/28/Understanding-HotSpot-in-Plain-English

Now it all makes sense. After a few days, the hotspot engine is compiling to native code instead of bytecode and has an issue. It fails bad enough that restarting the JVM is necessary.

Now to a question - has anyone seen this with CF8, running Java 6? The Sun bug reports all show 1.4 and 1.5 versions with issues, but I haven't seen it on 6.

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