Category "drools"

Optaplanner - drools file cannot be compiled when project is deployed

We developped a SpringBoot project with Java 11 using optaplanner-core and defining rules in a Drools file. We have no issue for running the app in intelliJ wit

RuntimeException trying to run Drools examples

I downloaded Drools 7.46.0.Final and extracted the contents to my local drive. When I try to run the examples from the Linux command line using the provided run

Is there a way to call query from a rule in DRL file?

I have a requirement to chain a window rule to a window rule. My use case is : If the occurrence of temperature > 50 in 5 min window is greater than 10 then

Drools-Equivalent of the "not in" SQL

I have two tables A and B. I want to update column A in table A if it doesn't have a match with column B in table B. I've written the following, but it doesn't

Error cloning remote repo to kie workbench

I'm new with drools and especially with the kie-server standalone. I'm working on a POC for my project and I'm having some issues trying to deploy an artifact f

Error cloning remote repo to kie workbench

I'm new with drools and especially with the kie-server standalone. I'm working on a POC for my project and I'm having some issues trying to deploy an artifact f

Getting null pointer exception while running helloworld in drools

I got the following error while running a simple helloworld sample drools project. 199 [main] ERROR org.drools.compiler.kie.builder.impl.KieContainerImpl - Unk

Drools 6.0 dynamically load rules at runtime

I want to load a drl file at runtime. The posts I've found including this one work for version 5.0 but I can't figure out how to do it for drools version 6.0.

Drools flow persistence - Named query not found: ProcessInstancesWaitingForEvent

I have a problem with drools flow persistence (MySQL), I get the following exception: 2011-04-15 14:38:27,244 INFO [STDOUT] (http-0.0.0.0-8000-5) Hibernate: i