On 27/07/2010 22:36, Andargor wrote: > Second try, sorry for spamming. Does anyone have an idea why serialization of > a large knowledge base fails with a stack error? It's to do with Java's poor ability to serialise linked lists: https://jira.jboss.org/browse/JBRULES-2335 https://jira.jboss.org/browse/JBRULES-946
Mark > A. > > --- On Thu, 7/22/10, Andargor<[email protected]> wrote: > >> From: Andargor<[email protected]> >> Subject: Re: [rules-users] StackOverflowError when serializing KnowledgeBase >> To: [email protected] >> 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<[email protected]> >> wrote: >> >>> From: Andargor<[email protected]> >>> Subject: StackOverflowError when serializing >> KnowledgeBase >>> To: [email protected] >>> 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. >>> >>> >>> >>> >> >> >> >> _______________________________________________ >> rules-users mailing list >> [email protected] >> https://lists.jboss.org/mailman/listinfo/rules-users >> > > > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users > > _______________________________________________ rules-users mailing list [email protected] https://lists.jboss.org/mailman/listinfo/rules-users
