[rules-users] Logic Problems & drools
Mark Proctor
mproctor at codehaus.org
Mon Aug 20 12:10:30 EDT 2007
btw you don't need janino if you have jdt core. This is standard java,
there is no reason for this not to work, must be the way you are setting
up your classpath. Btw there is the 4.0.1 SNAPSHOT available now. Did
you rememer to add mvel?
http://cruisecontrol.jboss.com/cc/artifacts/jboss-rules
Mark
Ellen Ning Zhao wrote:
> I had exactly the same problem when I was evaluating the submissions
> from last round. Here is a fragment from my .bashrc:
>
> export DROOLS_HOME=/home/..../drools-4.0.0.SNAPSHOT-bin.zip_FILES/
>
> export
> CLASSPATH=$CLASSPATH:$DROOLS_HOME/drools-compiler-4.0.0.SNAPSHOT.jar:$DROOLS_HOME/drools-core-4.0.0.SNAPSHOT.jar:$DROOLS_HOME/lib/antlr-runtime-3.0.jar:$DROOLS_HOME/lib/janino-2.5.7.jar:$DROOLS_HOME/lib/core-3.2.3.v_686_R32x.jar
>
>
> This did not work. As a result I had to run everything from within the
> Eclipse.
>
> MarkA wrote:
>
>> I've tried that. I copied all the drools jars (14 of them) into a directory
>> and then used that on the classpath - didn't work.
>>
>> I also searched for every jar file on my Mac, put them all in there and
>> tried again - failed.
>>
>> It's only Drools I have a problem with, anything else I create works fine.
>>
>>
>>
>> Manjax23 wrote:
>>
>>
>>> Basically the classes you are using are not present in your applications
>>> classpath.
>>> Put all the drools jar files and the dependent jar files in the class path
>>> and run.
>>>
>>> java -classpath drools.jar;drools-compiler.jar;....;SonsAgesPuzzle.jar
>>> <<(optionally classname here)>>
>>>
>>> Hope this works.
>>>
>>> Thanks,
>>> Manjax23
>>>
>>>
>>>
>>> MarkA wrote:
>>>
>>>
>>>> Hi,
>>>>
>>>> I downloaded the two examples. If I try to run the jar one I get the
>>>> classdefnotfound error:
>>>>
>>>> java -jar SonsAgesPuzzle.jar
>>>> Exception in thread "main" java.lang.NoClassDefFoundError:
>>>> org/drools/WorkingMemory
>>>>
>>>> Any ideas? I get this whenever I try to run my own Drools stuff outside
>>>> eclipse too (works fine inside eclipse) and it is proving a real problem.
>>>> Obvously it must be possible to create standalone programs that can be
>>>> run from jar's somehow.
>>>>
>>>> Any ideas would be very welcome,
>>>>
>>>> Thanks,
>>>>
>>>> Mark.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Ellen Ning Zhao wrote:
>>>>
>>>>
>>>>> have a look here:
>>>>>
>>>>> http://ningning.org/blog2/?page_id=122
>>>>>
>>>>> MarkA wrote:
>>>>>
>>>>>
>>>>>> Are there examples online somewhere then?
>>>>>>
>>>>>> I just want a few more examples to examine really. That and find out
>>>>>> how to
>>>>>> run a drools app outside of eclipse without the noclassdefound error.
>>>>>>
>>>>>> I'll keep a look out on the list.
>>>>>>
>>>>>>
>>>>>> Mark Proctor wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Ellen runs a little "logic club" Dr Gernot Starke one the last one,
>>>>>>> see
>>>>>>> mailing list archives for the problem. The winner gets to post the
>>>>>>> next
>>>>>>> puzzle, so stay tuned and win, so you can post your puzzle for people
>>>>>>> to
>>>>>>> try :) I believe that gernot will post the details of his solution to
>>>>>>> the blog soon.
>>>>>>>
>>>>>>> Mark
>>>>>>> MarkA wrote:
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>> I am a big fan of the logic problem puzzles (the ones with the grids)
>>>>>>>> and
>>>>>>>> would like to play with drools to solve a few - just for a laugh and
>>>>>>>> to
>>>>>>>> see
>>>>>>>> if it can be done.
>>>>>>>>
>>>>>>>> I found a pretty simple one:
>>>>>>>> ----------------------------
>>>>>>>> Mrs. Robinson's 4th grade class took a field trip to the local zoo.
>>>>>>>> The
>>>>>>>> day
>>>>>>>> was sunny and warm - a perfect day to spend at the zoo. The kids had
>>>>>>>> a
>>>>>>>> great
>>>>>>>> time and the monkeys were voted the class favorite animal. The zoo
>>>>>>>> had
>>>>>>>> four
>>>>>>>> monkeys - two males and two females. It was lunchtime for the monkeys
>>>>>>>> and
>>>>>>>> as
>>>>>>>> the kids watched, each one ate a different fruit in their favorite
>>>>>>>> resting
>>>>>>>> place. Can you determine the name of each monkey, what kind of fruit
>>>>>>>> each
>>>>>>>> monkey ate, and where their favorite resting place was?
>>>>>>>> 1. Sam, who doesn't like bananas, likes sitting on the grass.
>>>>>>>> 2. The monkey who sat on the rock ate the apple. The monkey who ate
>>>>>>>> the
>>>>>>>> pear didn't sit on the tree branch.
>>>>>>>> 3. Anna sat by the stream but she didn't eat the pear.
>>>>>>>> 4. Harriet didn't sit on the tree branch. Mike doesn't like oranges.
>>>>>>>> ---------------------
>>>>>>>>
>>>>>>>> But I can't get the logic working, has anyone done any other examples
>>>>>>>> for
>>>>>>>> drools (or maybe converted the monkey & banana or cannibal ones from
>>>>>>>> CLIPS)?
>>>>>>>>
>>>>>>>> I have looked at the golf one in the examples but it's a bit simple.
>>>>>>>> In
>>>>>>>> that
>>>>>>>> one it uses variables for each bit $bobsColour etc. and then uses
>>>>>>>> those
>>>>>>>> in
>>>>>>>> later rules. I tried it with the one above but I kept needing to
>>>>>>>> refer to
>>>>>>>> a
>>>>>>>> variable that I hadn't yet defined and I couldn't define it as it
>>>>>>>> needed
>>>>>>>> to
>>>>>>>> refer to another one and so on...
>>>>>>>>
>>>>>>>> Many thanks,
>>>>>>>>
>>>>>>>> Mark.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> rules-users mailing list
>>>>>>> rules-users at lists.jboss.org
>>>>>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>> _______________________________________________
>>>>> rules-users mailing list
>>>>> rules-users at lists.jboss.org
>>>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20070820/a351dbec/attachment.html
More information about the rules-users
mailing list