hello to all,
I need help when running a rule of example I come up against the following error:
 

org.drools.RuntimeDroolsException

: Unable to load dialect 'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java'

at org.drools.compiler.PackageBuilderConfiguration.buildDialectRegistry(PackageBuilderConfiguration.java:138 )

at org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:114)

at org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:87)

at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:122)

at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:88)

at com.sample.DroolsTest.readRule(DroolsTest.java:50)

at com.sample.DroolsTest.main(DroolsTest.java:21)

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:134)

... 6 more

I will be very grateful if they help me