[rules-users] Problem to run

Hello! I’m new with Drools and I follow the documentation to install, but when I try to run the example Hello World its return an error: org.drools.RuntimeDroolsException: Unable to load dialect 'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java' at org.drools.compiler.PackageBuilderConfiguration.buildDialectRegistry(PackageBuilderConfiguration.java:134) at org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:110) at org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:83) at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:120) at org.drools.compiler.PackageBuilder .<init>(PackageBuilder.java:86) at com.sample.DroolsTest.readRule(DroolsTest.java:64) at com.sample.DroolsTest.main(DroolsTest.java:26) 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:98) at org.drools.rule.builder.dialect.java.JavaDialectConfiguration.init(JavaDialectConfiguration.java :56) at org.drools.compiler.PackageBuilderConfiguration.buildDialectRegistry(PackageBuilderConfiguration.java:130) ... 6 more To try to fix the problem I change the build configuration: Properties properties = new Properties(); properties.setProperty( "drools.dialect.java.compiler", "JANINO" ); PackageBuilderConfiguration cfg = new PackageBuilderConfiguration( properties ); JavaDialectConfiguration javaConf = (JavaDialectConfiguration) cfg.getDialectConfiguration( "java" ); assertEquals(JavaDialectConfiguration.JANINO, javaConf.getCompiler() ); // demonstrate that the compiler is correctly configured But it also returns an error: org.drools.RuntimeDroolsException: Unable to load dialect 'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java' at org.drools.compiler.PackageBuilderConfiguration.buildDialectRegistry (PackageBuilderConfiguration.java:134) at org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:110) at org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java :67) at com.sample.DroolsTest.readRule(DroolsTest.java:58) at com.sample.DroolsTest.main(DroolsTest.java:26) Caused by: java.lang.RuntimeException: The Janino jar is not in the classpath at org.drools.rule.builder.dialect.java.JavaDialectConfiguration.setCompiler (JavaDialectConfiguration.java:104) at org.drools.rule.builder.dialect.java.JavaDialectConfiguration.init(JavaDialectConfiguration.java:56) at org.drools.compiler.PackageBuilderConfiguration.buildDialectRegistry (PackageBuilderConfiguration.java:130) ... 4 more Someone could explain me how to fix the problem? Thanks!