when compiling a rule on jboss i see this exception printed out to the log:

2013-03-13 10:54:37,517 ERROR [stderr] (Thread-264) Exception in thread "Thread-264" java.lang.ClassCastException: org.mvel2.compiler.ExecutableLiteral cannot be cast to org.mvel2.compiler.ExecutableAccessor

2013-03-13 10:54:37,517 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.ConditionAnalyzer.analyzeNode(ConditionAnalyzer.java:173)

2013-03-13 10:54:37,517 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.ConditionAnalyzer.analyzeNode(ConditionAnalyzer.java:174)

2013-03-13 10:54:37,517 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.ConditionAnalyzer.analyzeNode(ConditionAnalyzer.java:169)

2013-03-13 10:54:37,517 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.ConditionAnalyzer.analyzeNode(ConditionAnalyzer.java:169)

2013-03-13 10:54:37,517 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.ConditionAnalyzer.analyzeSingleCondition(ConditionAnalyzer.java:108)

2013-03-13 10:54:37,517 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.ConditionAnalyzer.analyzeCondition(ConditionAnalyzer.java:99)

2013-03-13 10:54:37,518 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.ConditionAnalyzer.analyzeCondition(ConditionAnalyzer.java:70)

2013-03-13 10:54:37,518 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.MvelConditionEvaluator.getAnalyzedCondition(MvelConditionEvaluator.java:83)

2013-03-13 10:54:37,673 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.MvelConstraint.executeJitting(MvelConstraint.java:270)

2013-03-13 10:54:37,673 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.MvelConstraint.access$200(MvelConstraint.java:51)

2013-03-13 10:54:37,673 ERROR [stderr] (Thread-264) at org.drools.rule.constraint.MvelConstraint$ConditionJitter.run(MvelConstraint.java:250)

2013-03-13 10:54:37,673 ERROR [stderr] (Thread-264) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)

2013-03-13 10:54:37,673 ERROR [stderr] (Thread-264) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)

2013-03-13 10:54:37,673 ERROR [stderr] (Thread-264) at java.lang.Thread.run(Thread.java:722)

attached to this bug is a maven project that reproduces the issue consistently