[rules-users] Still can't create a standalone application

MarkA mail at cluttered.co.uk
Thu Sep 6 04:05:13 EDT 2007


Okay, many thanks for this.

Firstly, I apologise if I am asking these questions in the wrong place, I
don't want to waste people's time but it is *very* frustrating for new users
when problems like this occur. I scoured the documentation, the quick-start
guide, the faqs and searched on the internet but could find no help. From
some of the responses I have received from the various sources it seems that
I am not the only person hitting these issues.

Secondly, it looks like my error is that I set the CLASSPATH to point at the
directories, .../JAR and .../JAR/lib, not each individual .jar file as in
your batch file. I had tried it with just the small set of .jars that you
have and, as far as I can tell, the only difference is using the directories
in the CLASSPATH variable. I'll change that in mine and see what happens but
I can compile and run the example you sent which is fantastic.

Many thanks again and sorry for being stupid.


Mark Proctor wrote:
> 
> sigh.... I've zipped up droools-examples eclipse project with a 
> populated lib directory and a dos .bat file. Should be enough to get you 
> over the basics of java classpath configuration:
> http://wiki.jboss.org/wiki/PageInfo.jsp?page=JBossRules%2Fdrools-examples-401-runfib.zip
> 
> Mark
> MarkA wrote:
>> I'm close to giving up! 
>>
>> No matter what I do I get the noclassdeffound error. I can't get anything
>> that uses Drools to work outside of eclipse.
>> I've now tried using javac and I still get errors, the first is:
>> ----------------------------------------------------------------------------------------------------------------
>>
>> [javac] [search path for source files:
>> [/Users/mark/Documents/eclipse/drools-test-mini/src]]
>> [javac] [search path for class files: [... (lots of paths removed) ...
>> /Users/mark/Documents/eclipse/drools-test-mini/JAR
>> ...]]
>> ...
>> [javac]
>> /Users/mark/Documents/eclipse/drools-test-mini/src/com/mda/dt/DroolsTest.java:6:
>> package org.drools does not exist
>> [javac] import org.drools.RuleBase;
>> [javac]                   ^
>>
>> ----------------------------------------------------------------------------------------------------------------
>>
>> But the directory '/Users/mark/Documents/eclipse/drools-test-mini/JAR'
>> has
>> the following:
>>
>> antlr-runtime-3.0.jar           drools-compiler-4.0.1.jar      
>> mvel14-1.2rc4rv908.jar          xpp3_min-1.1.3.4.O.jar
>> core-3.2.3.v_686_R32x.jar       drools-core-4.0.1.jar          
>> xercesImpl-2.4.0.jar            xstream-1.2.2.jar
>> drools-ant-4.0.1.jar            jxl-2.4.2.jar                  
>> xml-apis-1.0.b2.jar
>>
>> The org.drools.RuleBase is in the drools-core jar file so what is it that
>> I
>> am doing wrong? 
>>
>>
>>
>>   
> 
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> rules-users at lists.jboss.org
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> 
> 

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