[jboss-jira] [JBoss JIRA] Commented: (JBRULES-1572) sometimes getting ClassFieldExtractor error

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, 4.0.7 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.