well, the result of running this code is that the jvm
dies and i get a dr. watson on nt, does this classify?
--- Andrius Juozapaitis <[EMAIL PROTECTED]>
wrote:
> IMHO term CD - "core dump" gets misused for
> "exception stack trace" quite
> often lately. CD happens under certain conditions in
> *nixes when jvm can't
> handle something, resulting in killing the java
> process and saving the
> memory dump to a file. analogous situation under win
> is "..illegal operation
> ..blabla.. will be shut down". .
> _exceptions_ in jboss are usually seen in a server
> log and inform on
> exceptional situations in the program logic. in
> certain situations they can
> be recovered from.
>
> 0.02 cents,
> --andrius
>
>
> ----- Original Message -----
> From: "Derek Last Name" <[EMAIL PROTECTED]>
> To: "jBoss" <[EMAIL PROTECTED]>
> Sent: Monday, October 16, 2000 1:57 PM
> Subject: RE: [jBoss-User] Core dump: ouch!
>
>
> > i have some code that will core dump jboss just
> about
> > every time i run it within 5-15 minutes. i call
> it
> > using 4 dos prompts running the same code. the
> code
> > does a ejb create. each dos prompt i run uses 10
> > threads, so, i guess im using 40 clients all doing
> ejb
> > creates at the same time. each client does a
> delete
> > all in the table, then does 10 inserts. i have my
> try
> > catch block so that when i get duplicate inserts
> it
> > will ignore the error, and just keep on going. i
> did
> > this since this is the first ejb example i had in
> my
> > book, this is all i have figured out how to do so
> far,
> > and i wanted to test it out under load to see if
> what
> > kind of performance i would get. i am quite
> > underwhelmed and disappointed to say the least.
> maybe
> > im doing something wrong in my code. yes, i
> realize
> > most applications wont be doing this sort of load.
> > anyways if you want the code let me know. like i
> said
> > everytime i run it, i get a core dump in jboss.
> >
> >
> > --- marc fleury <[EMAIL PROTECTED]> wrote:
> > > the only situation where we have seen the core
> dump
> > > is on shutdown where the
> > > JVM barfs on a "unexpected thread" bla bla...
> then
> > > the dump goes to file and
> > > can be quite high.
> > >
> > > I have personnaly never seen a CD under any
> other
> > > circumstances (but I stand
> > > to be corrected ;-), not even on the heavy heavy
> > > loads we are running right
> > > now (again 200thread, 150,000 beans all in
> parallel
> > > and stable :)))))
> > >
> > > marc
> > >
> > >
> > > |-----Original Message-----
> > > |From: [EMAIL PROTECTED]
> > > |[mailto:[EMAIL PROTECTED]]On
> Behalf
> > > Of Tom Cook
> > > |Sent: Friday, October 13, 2000 1:00 AM
> > > |To: [EMAIL PROTECTED]
> > > |Subject: [jBoss-User] Core dump: ouch!
> > > |
> > > |
> > > |Just a warning:
> > > |
> > > |Just discovered that, under some circumstances,
> > > jBoss running under
> > > |Sun's 1.3 release JDK for linux can core dump
> in a
> > > large way (it got
> > > |to 116Mb before I killed it). When it's
> running
> > > from an NFS mount
> > > |this drags my box to it's knees with network
> > > congestion.
> > > |
> > > |Tom
> > > |--
> > > |Tom Cook - Software Operations
> > > |
> > > |"We rarely find that people have good sense
> unless
> > > they agree
> > > | with us."
> > > | - Francois, Duc de la Rochefoucauld
> > > |
> > > |LISAsoft Pty Ltd - www.lisa.com.au
> > > |
> > >
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