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org.drools.util.CompositeClassLoader.clone()Lorg/drools/util/CompositeClassLoader;
java.lang.NoSuchMethodError: org.drools.util.CompositeClassLoader.clone()Lorg/drools/util/CompositeClassLoader;	at org.drools.compiler.PackageBuilderConfiguration.getClassLoader(PackageBuilderConfiguration.java:322)	at org.drools.rule.builder.dialect.java.JavaDialectConfiguration.setCompiler(JavaDialectConfiguration.java:91)	at org.drools.rule.builder.dialect.java.JavaDialectConfiguration.init(JavaDialectConfiguration.java:54)	at org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:273)	at org.drools.compiler.PackageBuilderConfiguration.buildDialectConfigurationMap(PackageBuilderConfiguration.java:262)	at org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:175)	at org.drools.compiler.PackageBuilderConfiguration.(PackageBuilderConfiguration.java:153)	at org.drools.compiler.PackageBuilder.(PackageBuilder.java:254)	at org.drools.compiler.PackageBuilder.(PackageBuilder.java:182)	at org.drools.builder.impl.KnowledgeBuilderFactoryServiceImpl.newKnowledgeBuilder(KnowledgeBuilderFactoryServiceImpl.java:34)	at org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:47)	at com.sample.TestExample.readKnowledgeBase(TestExample.java:36)	at com.sample.TestExample.ProductClassHolder(TestExample.java:56)	at com.sample.TestExample.main(TestExample.java:30)