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Type: Bug
Resolution: Done
Priority: Major
Fix Version/s: 7.12.0.GA
Affects Version/s: 7.10.1.GA
Component/s: BRE
Labels:
- support
Environment:

All

Blocked:
False
Ready:
False
CDW devel_ack:
CDW docs_ack:
CDW pm_ack:
CDW qa_ack:
CDW release:
Fix Build:
ER3
QE Test Coverage:
-
Release Note Text:
Undefined
Target Release:

7.12.0.GA
Steps to Reproduce:

Hide

1. Download the attached reproducer (sample-rules.zip) and extract it.
2. Run mvn clean compile -DgenerateModel=YES on the file system where the reproducer has been extracted.

Show
1. Download the attached reproducer (sample-rules.zip) and extract it. 2. Run mvn clean compile -DgenerateModel=YES on the file system where the reproducer has been extracted.
Market:

Sprint:
2021 Week 22-24 (from May 31)

SFDC Cases Counter:
SFDC Cases Open:
SFDC Cases Links:

When executing mvn clean compile -DgenerateModel=YES on a Decision Manager project that has a rule using custom accumulate function, the build fails with the following error. Attached is the full maven build log with debug enabled.

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  5.811 s
[INFO] Finished at: 2021-06-07T18:22:18+08:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.kie:kie-maven-plugin:7.48.0.Final-redhat-00006:generateModel (default-generateModel) on project gv-rules: Execution default-generateModel of goal org.kie:kie-maven-plugin:7.48.0.Final-redhat-00006:generateModel failed.: NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.kie:kie-maven-plugin:7.48.0.Final-redhat-00006:generateModel (default-generateModel) on project gv-rules: Execution default-generateModel of goal org.kie:kie-maven-plugin:7.48.0.Final-redhat-00006:generateModel failed.
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:215)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default-generateModel of goal org.kie:kie-maven-plugin:7.48.0.Final-redhat-00006:generateModel failed.
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:148)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
Caused by: java.lang.NullPointerException
    at java.lang.Class.isAssignableFrom (Native Method)
    at org.drools.modelcompiler.builder.generator.drlxparse.CoercedExpression.shouldCoerceBToString (CoercedExpression.java:208)
    at org.drools.modelcompiler.builder.generator.drlxparse.CoercedExpression.coerce (CoercedExpression.java:103)
    at org.drools.modelcompiler.builder.generator.drlxparse.ConstraintParser.parseBinaryExpr (ConstraintParser.java:381)
    at org.drools.modelcompiler.builder.generator.drlxparse.ConstraintParser.getDrlxParseResult (ConstraintParser.java:137)
    at org.drools.modelcompiler.builder.generator.drlxparse.ConstraintParser.drlxParse (ConstraintParser.java:105)
    at org.drools.modelcompiler.builder.generator.visitor.pattern.PatternDSL.findAllConstraint (PatternDSL.java:139)
    at org.drools.modelcompiler.builder.generator.visitor.pattern.PatternDSL.buildPattern (PatternDSL.java:241)
    at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit (ModelGeneratorVisitor.java:145)
    at org.drools.compiler.lang.descr.PatternDescr.accept (PatternDescr.java:303)
    at org.drools.modelcompiler.builder.generator.visitor.AndVisitor.visit (AndVisitor.java:50)
    at org.drools.modelcompiler.builder.generator.visitor.ModelGeneratorVisitor.visit (ModelGeneratorVisitor.java:86)
    at org.drools.modelcompiler.builder.generator.ModelGenerator.processRule (ModelGenerator.java:187)
    at org.drools.modelcompiler.builder.generator.ModelGenerator.generateModel (ModelGenerator.java:160)
    at org.drools.modelcompiler.builder.ModelBuilderImpl.compileKnowledgePackages (ModelBuilderImpl.java:284)
    at org.drools.modelcompiler.builder.ModelBuilderImpl.buildRules (ModelBuilderImpl.java:220)
    at org.drools.modelcompiler.builder.ModelBuilderImpl.postBuild (ModelBuilderImpl.java:130)
    at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build (CompositeKnowledgeBuilderImpl.java:111)
    at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build (CompositeKnowledgeBuilderImpl.java:97)
    at org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages (AbstractKieProject.java:268)
    at org.drools.compiler.kie.builder.impl.AbstractKieProject.buildKnowledgePackages (AbstractKieProject.java:216)
    at org.drools.compiler.kie.builder.impl.AbstractKieProject.verify (AbstractKieProject.java:80)
    at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildKieProject (KieBuilderImpl.java:277)
    at org.drools.compiler.kie.builder.impl.KieBuilderImpl.buildAll (KieBuilderImpl.java:245)
    at org.kie.maven.plugin.GenerateModelMojo.generateModel (GenerateModelMojo.java:144)
    at org.kie.maven.plugin.GenerateModelMojo.execute (GenerateModelMojo.java:104)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)

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maven-build.log
118 kB
2021/06/07 10:27 AM
sample-rules.zip
19 kB
2021/06/07 10:33 AM

relates to

DROOLS-6426 Executable model compilation failure with inline accumulate

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