On Wed, May 4, 2011 at 14:36, Kirk <[email protected]> wrote:
> > On May 4, 2011, at 2:08 PM, Jan Goyvaerts wrote: > > > But I'm *always* running my application server in debug mode ! :-) So I > can quickly add a breakpoint and trace back to the origin of a problem. > > In prod???? > My own local environment of course. :-) But I happen once to enable debugging on a stage environment to follow the execution path of an error that only happened there. You ask the tester to start his test sequence and then follow remotely. It was fixed in a minute ! :-) > > > > > And if I need to do profiling, usually the Sampler plugin of VisualVM > allows me to solve 99% of the cases. This was one of the 1%... > > 99% of my profiling needs can be solved with VVM. The other 1% is done with > YourKit. > I used to be a huge fan of JProfiler. But VisualVM currently has reached a very decent level. Now it's the only tool I use. > > > > > Is there lecture of some kind available about those ... phenomenons ? :-) > > The problem is, every different profiler/debugger seems to cause a > different set of anomalies. I guess it all depends on the code they inject > into the run time. I'll be in Crete in a couple of weeks having a Mythos > with Heinz on his porch. One of the things we've both run into is changes in > run time behavior when various tools are attached. So far we've only treated > this as a curiosity but I think that with the Mythos in hand, we might turn > it into something more. That said, we will be running a GC log analysis > webinar on Tuesday the 24th so we might also get side tracked with the > fallout of that also. BTW, the webinar is free and will be open to anyone > that is interested. I'll post a link here as soon as I get one from Heinz. > > Please let me know. I'm always curious about the deux-ex-JVM. :-) I'll attend if I can. > Regards, > Kirk > > -- > You received this message because you are subscribed to the Google Groups > "The Java Posse" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/javaposse?hl=en. > > -- You received this message because you are subscribed to the Google Groups "The Java Posse" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/javaposse?hl=en.
