DSL string is having semi-colon added to //

package droolssemicolon; import org.drools.KnowledgeBase; import org.drools.KnowledgeBaseFactory; import org.drools.builder.KnowledgeBuilder; import org.drools.builder.KnowledgeBuilderFactory; import org.drools.builder.ResourceType; import org.drools.io.ResourceFactory; import org.drools.runtime.StatefulKnowledgeSession; /** * * @author rambridg */ public class Main { /** * @param args the command line arguments */ public static void main(String[] args) { Main m = new Main(); m.work(); } public void work() { String str = ""; str += "package droolssemicolon \n"; str += "rule rule1 \n"; str += " dialect \"mvel\" \n"; str += "when \n"; str += " Have a item \n"; str += "then \n"; str += " setout 123 \n"; str += "end \n"; String dsl = "[when]Have a item=i : String()\n" + "[then]setout {val}=String me=\"http://onefineday.{val}\";System.out.println(me)\n "; KnowledgeBase mykbase = KnowledgeBaseFactory.newKnowledgeBase(); KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); kbuilder.add(ResourceFactory.newByteArrayResource(dsl.getBytes()), ResourceType.DSL); kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DSLR); if (kbuilder.hasErrors()) { throw new RuntimeException(kbuilder.getErrors().toString()); } mykbase.addKnowledgePackages(kbuilder.getKnowledgePackages()); StatefulKnowledgeSession ksession = mykbase.newStatefulKnowledgeSession(); String i="test"; ksession.insert(i); ksession.fireAllRules(); } }