Runtime Exception ------------------ Key: DROOLS-1610 URL: https://issues.jboss.org/browse/DROOLS-1610 Project: Drools Issue Type: Bug Components: kie server Affects Versions: 6.5.0.Final Reporter: Salman Khan Assignee: Mario Fusco Getting the following exception while trying to implement Drools in Android. java.lang.RuntimeException: Unable to instantiate object for class 'org.drools.android.DexPackageClassLoader' with constructor public org.drools.android.DexPackageClassLoader(org.drools.core.rule.JavaDialectRuntimeData,java.lang.ClassLoader) Whenever I'm trying to call kieBuilder.buildAll(); method it's giving me the exception rather giving the result array. Please help to resolve this. Any help would be appreciable. Thanks in advance.