nope, no native library calls. its proably the TM
memory leak that marc explains in a different reply to
this thread.
--- Aaron Mulder <[EMAIL PROTECTED]>
wrote:
> If you're getting real core dumps (and yes, I'd say
> a Dr Watson
> qualifies!) then it's not a jBoss problem. No Java
> code should be capable
> of generating a core dump or Dr Watson - if it does,
> then there's a
> problem with a native library (you're not using
> native code, right?) or
> the JVM.
>
> Aaron
>
> On Mon, 16 Oct 2000, Derek Last Name wrote:
> > 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
> > > > > |
> > > > >
> > >
> |--------------------------------------------------
> > > > > |38 Greenhill Rd. Level 3, 228 Pitt
> > > Street
> > > > > |Wayville, SA, 5034 Sydney, NSW, 2000
> > > > > |
> > > > > |Phone: +61 8 8272 1555 Phone: +61 2
> 9283
> > > 0877
> > > > > |Fax: +61 8 8271 1199 Fax: +61 2
> 9283
> > > 0866
> > > > >
> > >
> |--------------------------------------------------
> > > > > |
> > > > > |
> > > > > |--
> > > > >
> > > >
> > >
> >
>
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> > > > > --
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> > >
> >
>
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