[jboss-jira] [JBoss JIRA] (DROOLS-2726) Drools core doesn't run on AWS lambda

[Mario Fusco (Jira)]

     [ https://issues.jboss.org/browse/DROOLS-2726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco resolved DROOLS-2726.
---------------------------------
    Resolution: Explained


As explained here https://stackoverflow.com/a/52691012/112779 the problem is caused by the fact that when you create a fat jar all kie.conf files must be concatenated in a single file.

See https://docs.jboss.org/drools/release/7.22.0.Final/drools-docs/html_single/#_building_and_running_drools_in_a_fat_jar to check how to do this.

> Drools core doesn't run on AWS lambda
> -------------------------------------
>
>                 Key: DROOLS-2726
>                 URL: https://issues.jboss.org/browse/DROOLS-2726
>             Project: Drools
>          Issue Type: Feature Request
>          Components: core engine
>    Affects Versions: 7.7.0.Final
>            Reporter: Adeela Huma
>            Assignee: Mario Fusco
>            Priority: Major
>
> When running drools on AWS lambda they get this exception apparently:
> {code}
> java.lang.ExceptionInInitializerError:    
> java.lang.ExceptionInInitializerError
> java.lang.ExceptionInInitializerError
>  at org.kie.api.internal.utils.ServiceRegistry.getInstance(ServiceRegistry.java:27)
>  ...
> Caused by: java.lang.RuntimeException: Child services [org.kie.api.internal.assembler.KieAssemblers] have no parent
>  at org.kie.api.internal.utils.ServiceDiscoveryImpl.buildMap(ServiceDiscoveryImpl.java:191)
>  at org.kie.api.internal.utils.ServiceDiscoveryImpl.getServices(ServiceDiscoveryImpl.java:97)
>  ...
> {code}
> Reporting the bug from stack overflow discussion:
> https://stackoverflow.com/questions/51273121/optaplanner-with-aws-lambda



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