Может кто-нибудь помочь мне решить мою проблему? Когда я попытался запустить образец jbpm в затмении. Это код:
public class ProcessMain {
public static void main(String[] args) {
KieServices ks = KieServices.Factory.get();
KieContainer kContainer = ks.getKieClasspathContainer();
KieBase kbase = kContainer.getKieBase("kbase");
RuntimeManager manager = createRuntimeManager(kbase);
RuntimeEngine engine = manager.getRuntimeEngine(null);
KieSession ksession = engine.getKieSession();
ksession.startProcess("com.sample.bpmn.hello");
manager.disposeRuntimeEngine(engine);
System.exit(0);
}
private static RuntimeManager createRuntimeManager(KieBase kbase) {
JBPMHelper.startH2Server();
JBPMHelper.setupDataSource();
EntityManagerFactory emf = Persistence.createEntityManagerFactory("org.jbpm.persistence.jpa");
RuntimeEnvironmentBuilder builder = RuntimeEnvironmentBuilder.Factory.get()
.newDefaultBuilder().entityManagerFactory(emf)
.knowledgeBase(kbase);
return RuntimeManagerFactory.Factory.get()
.newSingletonRuntimeManager(builder.get(), "com.sample:example:1.0");
}
}
Тогда это ошибка в окне консоли:
Exception in thread "main" java.lang.IllegalArgumentException: Driver class name cannot be empty.
at org.kie.test.util.db.internal.DatabaseProvider.fromDriverClassName(DatabaseProvider.java:32)
at org.kie.test.util.db.DataSourceFactory.setupPoolingDataSource(DataSourceFactory.java:57)
at org.kie.test.util.db.DataSourceFactory.setupPoolingDataSource(DataSourceFactory.java:42)
at org.jbpm.test.JBPMHelper.setupDataSource(JBPMHelper.java:103)
at com.sample.ProcessMain.createRuntimeManager(ProcessMain.java:34)
at com.sample.ProcessMain.main(ProcessMain.java:23)