You are probably missing required jars in your classpath. check the
README_DEPENDENCIES.txt file in the lib directory of you drools
distribution - the error you get is probably from
commons-jci-eclipse-3.2.0.666.jar missing but chances are you are
missing some others too.
nicolae oana a écrit :
Hello,
I try to run this source code, but I get this ugly error which I
don't know to deal with: Exception in thread "main"
java.lang.NoClassDefFoundError:
org/apache/commons/jci/compilers/JavaCompiler
Please give me some hints to resolve this issue.The cause seems to be
this line of code: PackageBuilder builder = new PackageBuilder( conf );
PackageBuilderConfiguration conf = new PackageBuilderConfiguration();
conf.setCompiler( PackageBuilderConfiguration.JANINO );
//conf.setCompiler( PackageBuilderConfiguration.ECLIPSE);
conf.setJavaLanguageLevel( "1.5" );
PackageBuilder builder = new PackageBuilder( conf );
builder.addPackageFromDrl( new InputStreamReader(
JBossRulesExample.class.getResourceAsStream( "JBossRuleExample.drl" ) ) );
final RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( builder.getPackage() );
final WorkingMemory workingMemory =
ruleBase.newWorkingMemory();
final WorkingMemoryFileLogger logger = new
WorkingMemoryFileLogger(
workingMemory );
logger.setFileName( "log/jbossrulesexample" );
final Employed e1 = j.new Employed("Fred",10,5);
final Employed e2 = j.new Employed("Susan",12,6);
final FactHandle f1 = workingMemory.assertObject( e1 );
final FactHandle f2 = workingMemory.assertObject( e2 );
workingMemory.fireAllRules();
e1.setExtraHours(2);
workingMemory.modifyObject(f1,e1);
}
All the best,
Oana
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