java.lang.RuntimeException: Cannot find a default KieSession
by sdjoe
I am using Drools 6.0.0.FINAL on JBOSS EAP 5.1.2. My code:
KieServices ks = KieServices.Factory.get();
KieContainer kContainer = ks.getKieClasspathContainer();
KieSession kSession = kContainer.newKieSession();
kSession.insert(mdxObj);
kSession.fireAllRules();
Works fine outside of the JBOSS container. I am deploying this code within a
JAR file that is the main part of my EAR file. I feel as though I have tried
every possible answer I have found on the web for the past two days and this
is my last resort.
Does anyone have any ideas on what could be the problem?
Thanks,
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10 years, 3 months
Drools 6.0.1 micro benchmark Miss Manners troubles
by Tom DC
Hello,
For my master thesis I'm benchmarking different rule engines by making use
of the micro benchmarks Miss Manners, Waltz and Waltzdb.
In the previous version of Drools Expert (5.5.0) the results were
surprisingly fast!
So when I saw the release of the latest Drools Expert version, 6, I was
wondering if there would be a difference in execution time as well.
So I started making a new project, using Netbeans, and added the old
benchmark code and modified the imports according to the example projects
(there is a benchmark project included in the latest release of Drools). I
also checked for possible differences between the old code and the new, but
didn't find any.
When I now run the benchmark for Miss Manners, it seems that Drools is
unable to even solve the easiest problem with 16 visitors. It keeps on
executing the same rule over and over without going to the next one when it
becomes available.
To see if this was a problem in my custom edition of the ruleset, I also ran
the example benchmark, but also noticed that this one could not run the Miss
Manners benchmark anymore.
Did somebody already figure out what is wrong with this benchmark?
Thx
Tom DC
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10 years, 3 months
