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https://issues.jboss.org/browse/DROOLS-707?page=com.atlassian.jira.plugin...
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Mario Fusco commented on DROOLS-707:
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Francesco,
I'm giving a look at the other test cases in your pull request and for now I just have
2 comments:
1. Those test cases are totally unrelated with the issue originally reported in this
ticket (that was caused by the presence of an or that wasn't correctly desugared) so I
won't reopen the ticket (eventually I'll create a different one).
2. All the new test cases actually contain an invalid drl (the variable $list is always
defined twice) so the expected outcome from all of them is a compilation failure saying
"Duplicate declaration for variable '$list'" as at the moment happens
only for the 3rd of them.
Please confirm you agree with what I wrote above, especially with point 2.
NullPointer when changing order of the rules
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Key: DROOLS-707
URL:
https://issues.jboss.org/browse/DROOLS-707
Project: Drools
Issue Type: Bug
Affects Versions: 5.5.0.Final, 5.6.0.Final, 6.0.0.Final, 6.0.1.Final, 6.1.0.Final,
6.2.0.CR4
Reporter: Francesco Peloi
Assignee: Mario Fusco
Fix For: 6.2.0.Final
Hi there,
we are having some serious issues with some rules, they are throwing a
NullPointerException and we don't understand why. I have tried to narrow down the
problem to the smallest rule possible, now this rule doesn't really make much sense
put like this but the real rule is more complex with more constraints. At the end the
result is the same: a NPE.
I have tried it with many Drools versions from 5.x to latest 6.3.0-SNAPSHOT.
I tested this in isolation with the minimum amount of code possible, and attached it as
well if someone wants to try it quickly.
Note that if line 2 of the when:
$a : Integer()
is moved as first line, the rule runs ok.
Please find the reproducer here:
https://groups.google.com/forum/#!topic/drools-usage/-oNqu3l4cqE
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