<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Did you rebuild the pkg files you are loading? Have you made sure all your dependency versions are correct?<div><br></div><div>Mark<br><div><div>On 5 Mar 2013, at 18:04, mani koduri <<a href="mailto:koduri84@gmail.com">koduri84@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi,<br><br><div>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.</div>
<div><br></div><div><div><b>java.lang.LinkageError: loader (instance of org/drools/rule/JavaDialectRuntimeData$PackageClassLoader): attempted</b></div>
<div><b>duplicate class definition for name: "com/ds/rule/vm/fvm/ruleengine/Rule_Product_has_minimum_number_of_valid_quotes_5263d589f8864649bbb734bada7a54ed"</b></div><div><b> at java.lang.ClassLoader.defineClass1(Native Method) [rt.jar:1.6.0_30]</b></div>
<div><b> at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) [rt.jar:1.6.0_30]</b></div><div><b> at java.lang.ClassLoader.defineClass(ClassLoader.java:615) [rt.jar:1.6.0_30]</b></div><div><b> at org.drools.rule.JavaDialectRuntimeData$PackageClassLoader.fastFindClass(JavaDialectRuntimeData.java:615) [drools-core-5.4.0.Final.jar:5.4.0.Final]</b></div>
<div><b> at org.drools.util.CompositeClassLoader$CachingLoader.load(CompositeClassLoader.java:254) [knowledge-api-5.4.0.Final.jar:5.4.0.Final]</b></div><div><b> at org.drools.util.CompositeClassLoader$CachingLoader.load(CompositeClassLoader.java:237) [knowledge-api-5.4.0.Final.jar:5.4.0.Final]</b></div>
<div><b> at org.drools.util.CompositeClassLoader.loadClass(CompositeClassLoader.java:88) [knowledge-api-5.4.0.Final.jar:5.4.0.Final]</b></div><div><b> at java.lang.ClassLoader.loadClass(ClassLoader.java:295) [rt.jar:1.6.0_30]</b></div>
<div><b> at java.lang.ClassLoader.loadClass(ClassLoader.java:247) [rt.jar:1.6.0_30]</b></div><div><b> at a.b.c.Rule_person___unique___name_656ee3db19d34e689d95e2d6b2be67b6Eval0InvokerGenerated.evaluate(Unknown Source)</b></div>
<div><b> at a.b.c.Rule_person___unique___name_656ee3db19d34e689d95e2d6b2be67b6Eval0Invoker.evaluate(Unknown Source)</b></div><div><b> at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:114) [drools-core-5.4.0.Final.jar:5.4.0.Final]</b></div>
</div><div><br></div><div>And each time I ran the project I am getting same error but on different rules.</div><div><br></div><div>Could you please help me out how to solve this issue?</div><div><br></div><div>with regards,</div>
<div>k.chaitanya.</div><br>
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