[jboss-jira] [JBoss JIRA] Commented: (JBRULES-1572) sometimes getting ClassFieldExtractor error
[ http://jira.jboss.com/jira/browse/JBRULES-1572?page=comments#action_12411721 ]
Mark Proctor commented on JBRULES-1572:
---------------------------------------
I agree with your prognosis and will look to doing those synchronisations for 4.0.7.
I'm still concerned about possible stale thread situations, but I'll look at those
for 5.0.x.
sometimes getting ClassFieldExtractor error
-------------------------------------------
Key: JBRULES-1572
URL: http://jira.jboss.com/jira/browse/JBRULES-1572
Project: JBoss Drools
Issue Type: Bug
Security Level: Public(Everyone can see)
Affects Versions: 5.0.0-M1, 4.0.4, 4.0.7
Reporter: Ming Fang
Assigned To: Mark Proctor
Fix For: 5.0.0-M1
Attachments: Foo.java, rule.drl, Test.java, Test.java
Caused by: java.lang.NullPointerException
at org.drools.base.com.ml.ax.ModelValue10285014$getModelValue.getDoubleValue(Unknown
Source)
at org.drools.base.ClassFieldExtractor.getDoubleValue(ClassFieldExtractor.java:191)
at org.drools.rule.Declaration.getDoubleValue(Declaration.java:281)
at
com.ml.ax.drools.Rule_Quote_0ConsequenceInvoker.evaluate(Rule_Quote_0ConsequenceInvoker.java:17)
at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:586)
This only happens sometimes but it completely breaks my program.
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