[JBoss JIRA] (DROOLS-4572) a fact with many properties causes a problem with "not" rule in executable-model
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[
https://issues.jboss.org/browse/DROOLS-4572?page=com.atlassian.jira.plugi...
]
Toshiya Kobayashi commented on DROOLS-4572:
-------------------------------------------
Some analysis:
"A fact which has more than 128 properties" means it creates an OpenBitSet with
wlen = 3.
https://github.com/kiegroup/drools/blob/master/drools-model/drools-canoni...
This 3 length array mask seems to have a problem in intersect in JoinNode
(BetaNode.modifyObject()). intersects() with rightInferredMask (which is 2 length array
mask) always returns false so it doesn't reach NotNode.
https://github.com/kiegroup/drools/blob/master/drools-core/src/main/java/...
If you reduce the number of properties (e.g. comment out from field120 to field129 in
ManyPropFact.java in the unit test), you will see that the intersects() returns true so it
will reach NotNode.
a fact with many properties causes a problem with "not"
rule in executable-model
--------------------------------------------------------------------------------
Key: DROOLS-4572
URL: https://issues.jboss.org/browse/DROOLS-4572
Project: Drools
Issue Type: Bug
Components: executable model
Affects Versions: 7.27.0.Final
Environment: - executable-model
- Without property reactive
Reporter: Toshiya Kobayashi
Assignee: Luca Molteni
Priority: Major
Labels: support
Under the conditions:
- executable-model
- "drools.propertySpecific" = "ALLOWED"
- A fact which has more than 128 properties
- A rule with "not" which joins facts
"not" doesn't match so the rule results in an unexpected firing (e.g. an
infinite loop)
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Toshiya Kobayashi (Jira)