[rules-users] Exception in thread "main" org.drools.ProviderInitializationException

[poonam.ligade at wipro.com]

 Hi,

I have included following jars:

drools-api-5.0.1.BRMS
drools-compiler-5.1.1
drools-api-5.1.1
drools-core-5.1.1

I am getting below error:

Exception in thread "main" org.drools.ProviderInitializationException: Provider org.drools.builder.impl.KnowledgeBuilderProviderImpl could not be set.
    at org.drools.builder.KnowledgeBuilderFactory.loadProvider(KnowledgeBuilderFactory.java:111)
    at org.drools.builder.KnowledgeBuilderFactory.getKnowledgeBuilderProvider(KnowledgeBuilderFactory.java:101)
    at org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:29)
    at com.comp.drools.SimpleRule.createKnowledgeBase(SimpleRule.java:84)
    at com.comp.drools.SimpleRule.main(SimpleRule.java:32)
Caused by: java.lang.ClassNotFoundException: org.drools.builder.impl.KnowledgeBuilderProviderImpl
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Unknown Source)
    at org.drools.builder.KnowledgeBuilderFactory.loadProvider(KnowledgeBuilderFactory.java:108)
    ... 4 more

I have configured eclipse JBPM plugin
using java 7 and apache tomcat 7

Please help me finding solution ASAP.

Thanks,
Poonam.

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