Did you rebuild the pkg files you are loading? Have you made sure all your dependency versions are correct?
Mark On 5 Mar 2013, at 18:04, mani koduri <[email protected]> wrote: > Hi, > > Initially I am using jboss-drool 5.0.1 version in our project and I updated > to jboss-drools 5.4.0 version in our project but I am getting linkage errors > as mentioned below. > > java.lang.LinkageError: loader (instance of > org/drools/rule/JavaDialectRuntimeData$PackageClassLoader): attempted > duplicate class definition for name: > "com/ds/rule/vm/fvm/ruleengine/Rule_Product_has_minimum_number_of_valid_quotes_5263d589f8864649bbb734bada7a54ed" > at java.lang.ClassLoader.defineClass1(Native Method) [rt.jar:1.6.0_30] > at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) > [rt.jar:1.6.0_30] > at java.lang.ClassLoader.defineClass(ClassLoader.java:615) > [rt.jar:1.6.0_30] > at > org.drools.rule.JavaDialectRuntimeData$PackageClassLoader.fastFindClass(JavaDialectRuntimeData.java:615) > [drools-core-5.4.0.Final.jar:5.4.0.Final] > at > org.drools.util.CompositeClassLoader$CachingLoader.load(CompositeClassLoader.java:254) > [knowledge-api-5.4.0.Final.jar:5.4.0.Final] > at > org.drools.util.CompositeClassLoader$CachingLoader.load(CompositeClassLoader.java:237) > [knowledge-api-5.4.0.Final.jar:5.4.0.Final] > at > org.drools.util.CompositeClassLoader.loadClass(CompositeClassLoader.java:88) > [knowledge-api-5.4.0.Final.jar:5.4.0.Final] > at java.lang.ClassLoader.loadClass(ClassLoader.java:295) > [rt.jar:1.6.0_30] > at java.lang.ClassLoader.loadClass(ClassLoader.java:247) > [rt.jar:1.6.0_30] > at > a.b.c.Rule_person___unique___name_656ee3db19d34e689d95e2d6b2be67b6Eval0InvokerGenerated.evaluate(Unknown > Source) > at > a.b.c.Rule_person___unique___name_656ee3db19d34e689d95e2d6b2be67b6Eval0Invoker.evaluate(Unknown > Source) > at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:114) > [drools-core-5.4.0.Final.jar:5.4.0.Final] > > And each time I ran the project I am getting same error but on different > rules. > > Could you please help me out how to solve this issue? > > with regards, > k.chaitanya. > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users
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