[jboss-jira] [JBoss JIRA] Reopened: (JBRULES-2043) No decent error message when the scoreDrl doesn't exist (was: Log problems while building the RuleBase)

[Dietmar Scheidl (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBRULES-2043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dietmar Scheidl reopened JBRULES-2043:
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There is a scoreDrl file but the problem is an error in the rules. As a result the PackageBuilder reads the drl file and can not compile it.

When you directly use Drools you can use PackageBuilder::getErrors() to get a clue whats wrong in your rules. There is no check if building the scoreDrl failed with an error. If so, it only throws the NullPointerException but does not show the PackageBuilderErrors.

> No decent error message when the scoreDrl doesn't exist (was: Log problems while building the RuleBase)
> -------------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-2043
>                 URL: https://jira.jboss.org/jira/browse/JBRULES-2043
>             Project: JBoss Drools
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: drools-solver
>    Affects Versions: 5.0.0.M5
>            Reporter: Dietmar Scheidl
>            Assignee: Geoffrey De Smet
>             Fix For: 5.0.0.GA
>
>
> I startet to experiment with the drools-solver but only got a NullPointerException:
> Caused by: java.lang.NullPointerException
> 	at org.drools.common.AbstractRuleBase.addPackages(AbstractRuleBase.java:429)
> 	at org.drools.reteoo.ReteooRuleBase.addPackage(ReteooRuleBase.java:395)
> 	at org.drools.solver.config.localsearch.LocalSearchSolverConfig.buildRuleBase(LocalSearchSolverConfig.java:166)
> 	at org.drools.solver.config.localsearch.LocalSearchSolverConfig.buildSolver(LocalSearchSolverConfig.java:137)
> 	at org.drools.solver.config.XmlSolverConfigurer.buildSolver(XmlSolverConfigurer.java:73)
> ...
> After debugging into this location, I found out that it comes from an error in my scoreDrl.
> The buildSolver-Method should fail with a more helpful exception or the result of the PackageBuilder should be available to analyse the problems.

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