[rules-users] StackOverflowError when serializing KnowledgeBase
Andargor
andargor at yahoo.com
Tue Jul 27 17:36:08 EDT 2010
Second try, sorry for spamming. Does anyone have an idea why serialization of a large knowledge base fails with a stack error?
A.
--- On Thu, 7/22/10, Andargor <andargor at yahoo.com> wrote:
> From: Andargor <andargor at yahoo.com>
> Subject: Re: [rules-users] StackOverflowError when serializing KnowledgeBase
> To: rules-users at lists.jboss.org
> Date: Thursday, July 22, 2010, 8:12 PM
> Sorry, forgot to mention, I have
> tried 5.1.0M1, and yesterday's snapshot.
>
> --- On Thu, 7/22/10, Andargor <andargor at yahoo.com>
> wrote:
>
> > From: Andargor <andargor at yahoo.com>
> > Subject: StackOverflowError when serializing
> KnowledgeBase
> > To: rules-users at lists.jboss.org
> > Date: Thursday, July 22, 2010, 8:10 PM
> > Hello,
> >
> > After adding a few hundred rules, and with the same
> code,
> > KnowledgeBase serialization has started to generate
> > StackOverflowError. I have increased the VM stack size
> as a
> > workaround, but I was hoping to implement something
> more
> > robust.
> >
> > I specifically need to serialize the KnowledgeBase,
> and not
> > the session.
> >
> > I'm using this code:
> >
> > private void dumpKnowledgeBase(String file,
> > KnowledgeBase kbase) {
> > try {
> >
> > FileOutputStream ostream = new
> > FileOutputStream(file);
> >
> > DroolsObjectOutputStream p = new
> > DroolsObjectOutputStream(ostream);
> >
> > p.writeObject(kbase);
> >
> > p.flush();
> >
> > ostream.close();
> > }
> > catch
> > (Exception e) {
> >
> > System.err.println(e);
> >
> > e.printStackTrace();
> >
> > System.err.println("Could not write
> > knowledge base "+file);
> > }
> > }
> >
> >
> > This is due to writeObject recursion? Any ideas?
> >
> > A.
> >
> >
> >
> >
>
>
>
>
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