Kie-Maven-Plugin (7.13.0.Final) not generating a "cache" file anymore

[KimJohn Quinn]

I just noticed the Kie Maven Plugin (7.13.0.Final) does not seem to be generating the "cache" file anymore for me.

The Maven module is defined as <packaging>kjar</packaging>.  I have a kmodule.xml inside the META-INF folder.

NOTE: This is running against JDK10 and as far as I can recall I have see the kbase.cache before.

I see this in the Maven output:

[INFO] --- kie-maven-plugin:7.13.0.Final:build (default-build) @ projects-dialogue-rules ---

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/drools-core/7.13.0.Final/drools-core-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.drools.core.io.impl.ResourceFactoryServiceImpl

[INFO] Adding Service org.drools.core.marshalling.impl.MarshallerProviderImpl

[INFO] Adding Service org.drools.core.concurrent.ExecutorProviderImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/drools-compiler/7.13.0.Final/drools-compiler-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.drools.compiler.kie.builder.impl.KieServicesImpl

[INFO] Adding Service org.drools.compiler.builder.impl.KnowledgeBuilderFactoryServiceImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/drools-model-compiler/7.13.0.Final/drools-model-compiler-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.drools.modelcompiler.CanonicalKieModuleProvider

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/kie/kie-internal/7.13.0.Final/kie-internal-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.kie.internal.services.KieAssemblersImpl

[INFO] Adding Service org.kie.internal.services.KieRuntimesImpl

[INFO] Adding Service org.kie.internal.services.KieWeaversImpl

[INFO] Adding Service org.kie.internal.services.KieBeliefsImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/drools-decisiontables/7.13.0.Final/drools-decisiontables-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.drools.decisiontable.DecisionTableProviderImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/drools-scorecards/7.13.0.Final/drools-scorecards-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.drools.scorecards.ScoreCardProviderImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/kie-pmml/7.13.0.Final/kie-pmml-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service +org.kie.pmml.assembler.PMMLAssemblerService

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/jbpm/jbpm-bpmn2/7.13.0.Final/jbpm-bpmn2-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.jbpm.bpmn2.BPMN2ProcessProviderImpl

[INFO] Adding Service org.jbpm.bpmn2.xml.XmlProcessDumperFactoryServiceImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/jbpm/jbpm-flow-builder/7.13.0.Final/jbpm-flow-builder-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.jbpm.process.builder.ProcessBuilderFactoryServiceImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/jbpm/jbpm-flow/7.13.0.Final/jbpm-flow-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.jbpm.marshalling.impl.ProcessMarshallerFactoryServiceImpl

[INFO] Adding Service org.jbpm.process.instance.ProcessRuntimeFactoryServiceImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/drools-workbench-models-guided-dtable/7.13.0.Final/drools-workbench-models-guided-dtable-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.drools.workbench.models.guided.dtable.backend.GuidedDecisionTableProviderImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/drools-workbench-models-guided-template/7.13.0.Final/drools-workbench-models-guided-template-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.drools.workbench.models.guided.template.backend.GuidedRuleTemplateProviderImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/drools-workbench-models-guided-scorecard/7.13.0.Final/drools-workbench-models-guided-scorecard-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.drools.workbench.models.guided.scorecard.backend.GuidedScoreCardProviderImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/optaplanner/optaplanner-core/7.13.0.Final/optaplanner-core-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service +org.optaplanner.core.impl.solver.kie.KieSolverAssemblerService

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/kie/kie-dmn-core/7.13.0.Final/kie-dmn-core-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service +org.kie.dmn.core.assembler.DMNAssemblerService

[INFO] Adding Service +org.kie.dmn.core.runtime.DMNRuntimeService

[INFO] Adding Service +org.kie.dmn.core.weaver.DMNWeaverService

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/drools-compiler/7.13.0.Final/drools-compiler-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.drools.compiler.kie.builder.impl.KieServicesImpl

[INFO] Adding Service org.drools.compiler.builder.impl.KnowledgeBuilderFactoryServiceImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/kie/kie-ci/7.13.0.Final/kie-ci-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.kie.scanner.KieScannerFactoryServiceImpl

[INFO] Adding Service org.kie.scanner.MavenClassLoaderResolver

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/drools/drools-core/7.13.0.Final/drools-core-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.drools.core.io.impl.ResourceFactoryServiceImpl

[INFO] Adding Service org.drools.core.marshalling.impl.MarshallerProviderImpl

[INFO] Adding Service org.drools.core.concurrent.ExecutorProviderImpl

[INFO] Loading kie.conf from  jar:file:/home/projects/.m2/repository/org/kie/kie-internal/7.13.0.Final/kie-internal-7.13.0.Final.jar!/META-INF/kie.conf in classloader java.net.FactoryURLClassLoader@6eaa6b0c

[INFO] Adding Service org.kie.internal.services.KieAssemblersImpl

[INFO] Adding Service org.kie.internal.services.KieRuntimesImpl

[INFO] Adding Service org.kie.internal.services.KieWeaversImpl

[INFO] Adding Service org.kie.internal.services.KieBeliefsImpl

WARNING: An illegal reflective access operation has occurred

WARNING: Illegal reflective access by com.thoughtworks.xstream.core.util.Fields (file:/home/projects/.m2/repository/com/thoughtworks/xstream/xstream/1.4.10/xstream-1.4.10.jar) to field java.util.TreeMap.comparator

WARNING: Please consider reporting this to the maintainers of com.thoughtworks.xstream.core.util.Fields

WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

WARNING: All illegal access operations will be denied in a future release

[INFO] KieModule was added: MemoryKieModule[releaseId=org.default:artifact:1.0.0]

[INFO] kieMap not present

[INFO] Kie Map empty

[INFO] KieModule successfully built!

[INFO] 

[INFO] --- kie-maven-plugin:7.13.0.Final:injectreactive (default-injectreactive) @ projects-dialogue-rules ---

But, looking in the "classes" folder after a mvn install I do not see the cache file anymore.

[KimJohn Quinn]

One thing I noticed, it is generating the java files in the dump folder but not compiling them.

[KimJohn Quinn]

I downloaded the latest 'kie-maven-plugin-example" from GitHub and ran a "mvn clean install."  I see the same results - no cache file.  

Is the cache file still used/created when using the plugin and a part of the KJar?

On Wednesday, November 7, 2018 at 3:52:37 PM UTC-5, KimJohn Quinn wrote:

[KimJohn Quinn]

I also tried running the example using JDK8 and same results - no cache.

So, is the cache file still needed/created?  Just want to know if I am going down a path I shouldn't be...

Thanks.

On Wednesday, November 7, 2018 at 3:52:37 PM UTC-5, KimJohn Quinn wrote:

[Kim Zeevaarders]

Hi Kim,

did you manage to find an answer to your question? I just migrated from Drools 6 to Drools 7 and noticed my kbasecache is tenfold smaller than before... In the project where I am using this kjar i get unexpected global errors whereas in my unit tests in the kjar prject itself i dont get this errors. i think it might be because my decision tables are not included in the cache

Regards,

Kim

Op donderdag 8 november 2018 16:46:54 UTC+1 schreef KimJohn Quinn:

[KimJohn Quinn]

Hello Kim (weird, i had to double-read this message at first because our names are similar).

We are using the latest version of Drools and I do see the cache file, from the POM and generated from code.  From our end, everything seems to be working fine.

Are you building the KJar through the maven plugin only?

Thanks.

KJQ

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[Kim Zeevaarders]

Hi Kim,

I managed to fix the problem today. The problem was indeed that my decision tables weren't picked up anymore by the kie-maven-plugin. After I converted them from xls to xlsx files and altered the Ruleset value in the table to match the folder structure it worked! I actually don't know which one of my changes solved the problem so it could be that only one of them was needed to get it to work. 

Thanks for the quick reaction anyways! 

Regards, 

Kim

Op vr 28 feb. 2020 16:44 schreef KimJohn Quinn <k...@logicdrop.com>:

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