[rules-users] Web Service deploy out of memory

[Michael Neale]

Hi Edgardo. Good to hear. Yeah it was probably creating a new daemon thread
for each instance in that case, which would top out on 1000 to 3000 items on
most systems today, so that is not surprising ;)

Good luck !


Michael.

On 9/4/07, Edgardo <edgardoibanez at gmail.com> wrote:
>
> Thanks Michael, the problem was that every call to the web service create
> a new instance of ValidaLlamadaWS, because the system memory explode!. I
> fix it managing the session scope of the Web Service, now my drools + web
> service implementation works fine!
>
> Thanks for you reply
>
> Greetings, I see you in another post
>
> En Tue, 04 Sep 2007 01:44:47 -0400, Michael Neale
> <michael.neale at gmail.com> escribió:
>
> > If it still happens - it would be good if you could attach some code to
> > reproduce it to a JIRA.
> >
> > On 9/4/07, Michael Neale <michael.neale at gmail.com> wrote:
> >>
> >> Hi Edgardo.
> >>
> >> Well it shouldn't leak like that.
> >>
> >> Looking at your code, I am not sure how it works (as I am not sure of
> >> the
> >> Web Service component you are using).
> >>
> >> But if the web service is creating a new instance of the
> ValidaLlamadaWS
> >> class for EACH call, then yes that woudl be the problem. What you want
> >> to do
> >> is have the code for the agend called only once, on startup, and then
> >> use
> >> that single instance of the agent to get a rulebase for each call.
> >>
> >>
> >> Michael.
> >>
> >> On 9/4/07, Edgardo <edgardoibanez at gmail.com> wrote:
> >> >
> >> > Hi list,
> >> >
> >> >      I have developed a web service for deploy my rule package, this
> >> > rule
> >> > package is in the BRMS, the source code of the web service class is:
> >> >
> >> > public class ValidaLlamadaWS {
> >> >
> >> >         RuleAgent agent = RuleAgent.newRuleAgent
> >> > ("/brmsdeployedrules.properties");
> >> >         RuleBase ruleBase = agent.getRuleBase();
> >> >         StatelessSession session = ruleBase.newStatelessSession();
> >> >
> >> >         public Object[] ValidaLlamada(Integer cantsegundos){
> >> >                 Validaciones validaciones = new Validaciones();
> >> >                 validaciones.setCantsegundos(cantsegundos);
> >> >
> >> >                 session.execute(validaciones);
> >> >
> >> >                 return validaciones.getResult ();
> >> >         }
> >> > }
> >> >
> >> > The BRMS run over JBoss AS 4.2.1.GA and the web service over Apache
> >> > Tomcat
> >> > 5.5 on the same machine, the rule base contain only 2 rules
> >> >
> >> > The problem is that I need to call the web service more than 400.000
> >> > times, and with 1000 times, I obtain the Java Heap Exception.
> >> > If I monitoring my machine memory, this only increase between calls.
> >> And
> >> > the process that more memory expensive is java.exe (JBoss AS
> >> 4.2.1.GA).
> >> > The process javaw.exe (Apache Tomcat 5.5)also is expensive, but less
> >> > than
> >> > java.exe
> >> >
> >> > The question are:
> >> >
> >> > How I can "dispose" the objects that I use?
> >> > Is correct this use for StatelessSession?
> >> > You are the experts, any other idea for implement my web service?
> >> >
> >> > PD: sorry for my bad english.
> >> >
> >> > Greetings
> >> >
> >> >
> >> >
> >> > --
> >> > Edgardo Ibañez O.
> >> > _______________________________________________
> >> > rules-users mailing list
> >> > rules-users at lists.jboss.org
> >> > https://lists.jboss.org/mailman/listinfo/rules-users
> >> >
> >>
> >>
>
>
>
> --
> Edgardo Ibañez O.
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
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