Jess throws an error at me that I don't really understand. The error
trace as attached. My code used to work earlier, but this has happened
when I pulled up some common code from two related "...Track" classes
into a common "Track" superclass. What confuses me most is that the
IAE message specifically complains about '...modifiers "public"'. A
quick Google search and some guessing led me to conclude that Jess
requires that the superclass should have "public" rather than default
visibility. That makes sense, but it would be nice if it said so.
grtz
-+- JW -+-
Jess reported an error in routine DefinstanceList.updateMultipleSlots
while executing (definstance SensorTrack (new
platformcoverage.SensorTrack ?p ?task-sensor))
while executing defrule MAIN::create-SensorTrack
while executing (call (engine) runUntilHalt)
while executing deffunction run-until-halt
while executing (run-until-halt).
Message: Method is not accessible.
Program text: ( run-until-halt ) at line 1 in file <eval pipe>.
at jess.DefinstanceList.getSlotValueFromObject(DefinstanceList.java:326)
at
jess.DefinstanceList.setAllSlotValuesFromObject(DefinstanceList.java:303)
at jess.DefinstanceList.createNewShadowFact(DefinstanceList.java:281)
at jess.DefinstanceList.definstance(DefinstanceList.java:76)
at jess.Rete.definstance(Rete.java:2268)
at jess.Definstance.call(Definstance.java:54)
at jess.FunctionHolder.call(FunctionHolder.java:35)
at jess.Funcall.execute(Funcall.java:338)
at jess.Defrule.fire(Defrule.java:395)
at jess.Activation.fire(Activation.java:98)
at jess.Agenda.run(Agenda.java:267)
at jess.Agenda.run(Agenda.java:243)
at jess.Agenda.runUntilHalt(Agenda.java:225)
at jess.Rete.runUntilHalt(Rete.java:1889)
at jess.Rete.runUntilHalt(Rete.java:1884)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at jess.Call.call(Call.java:185)
at jess.FunctionHolder.call(FunctionHolder.java:35)
at jess.Funcall.execute(Funcall.java:338)
at jess.FuncallValue.resolveValue(FuncallValue.java:29)
at jess.Deffunction.call(Deffunction.java:214)
at jess.FunctionHolder.call(FunctionHolder.java:35)
at jess.Funcall.execute(Funcall.java:338)
at jess.Jesp.parseAndExecuteFuncall(Jesp.java:2309)
at jess.Jesp.parseExpression(Jesp.java:459)
at jess.Jesp.promptAndParseOneExpression(Jesp.java:309)
at jess.Jesp.parse(Jesp.java:288)
at jess.Rete.eval(Rete.java:2583)
at jess.Rete.eval(Rete.java:2538)
at jesskb.JessKB.cmd(JessKB.java:108)
at Beans.UntilHalt$1.run(UntilHalt.java:22)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.IllegalAccessException: Class jess.SerializablePD
can not access a member of class platformcoverage.Track with modifiers
"public"
at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)
at java.lang.reflect.Method.invoke(Method.java:588)
at jess.SerializablePD.getPropertyValue(SerializablePD.java:51)
at jess.DefinstanceList.getSlotValueFromObject(DefinstanceList.java:317)
... 34 more
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