Hi,
I am trying to run "Hello World" using drools as osgi bundle in Jboss AS.
Deployed below jars to Jboss container :
drools-compiler-6.0.0.Beta1.jar
drools-core-6.0.0.Beta1.jar
drools-templates-6.0.0.Beta1.jar
kie-api-6.0.0.Beta1.jar
kie-internal-6.0.0.beta1.jar
While deploying my own bundle to Jboss which has "Hello World" Drools
application, I get below exception:
Caused by: org.drools.RuntimeDroolsException: Unable to load dialect
'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java:org.drools.rule.builder.dialect.java.JavaDialectConfiguration'
at
org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:321)
at
org.drools.compiler.PackageBuilderConfiguration.buildDialectConfigurationMap(PackageBuilderConfiguration.java:307)
at
org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:192)
at
org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:170)
at
org.drools.builder.impl.KnowledgeBuilderFactoryServiceImpl.newKnowledgeBuilderConfiguration(KnowledgeBuilderFactoryServiceImpl.java:22)
at
org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration(KnowledgeBuilderFactory.java:74)
at
org.drools.container.spring.beans.KnowledgeBaseBeanFactory.afterPropertiesSet(KnowledgeBaseBeanFactory.java:80)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1514)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1452)
... 34 more
Caused by: java.lang.RuntimeException: The Eclipse JDT Core jar is not in
the classpath
at
org.drools.rule.builder.dialect.java.JavaDialectConfiguration.setCompiler(JavaDialectConfiguration.java:100)
at
org.drools.rule.builder.dialect.java.JavaDialectConfiguration.init(JavaDialectConfiguration.java:61)
at
org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:317)
... 42 more
Then added "org.eclipse.jdt.core_3.8.3.v20130121-145325.jar" to classpath of
OSGI bundle (Hello World Bundle) and deployed again.
Above exception has got resolved, but application is not working.
Code below :
public void start(){
logger.info("started.");
System.out.println("Hello World in client!! ");
//droolsSession = createKnowledgeSession();
MessageTest message = new MessageTest();
message.setMessage("Testing Hello World");
message.setStatus(MessageTest.HELLO);
droolsSession.insert(message);
droolsSession.fireAllRules();
}
@SuppressWarnings("deprecation")
private StatefulKnowledgeSession createKnowledgeSession() {
System.out.println("Inside createKnowledgeSession!! ");
KnowledgeBuilderFactoryServiceImpl
knowledgeBuilderFactoryServiceImpl =
new KnowledgeBuilderFactoryServiceImpl();
KnowledgeBuilder kbuilder =
knowledgeBuilderFactoryServiceImpl.newKnowledgeBuilder();
kbuilder.add((Resource) new ClassPathResource("Sample.drl"),
ResourceType.DRL);
System.out.println("Completed createKnowledgeSession!! ");
if (kbuilder.hasErrors()) {
if (kbuilder.getErrors().size() > 0) {
for (KnowledgeBuilderError kerror : kbuilder.getErrors()) {
System.err.println(kerror);
}
}
}
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
return kbase.newStatefulKnowledgeSession();
//return kbase.newStatefulKnowledgeSession();
}
--
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