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Unable to instantiate service for Class 'org.drools.compiler.BPMN2ProcessProvide in jBPM
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created by <a href="https://community.jboss.org/people/dayyala">ananda Dayyala</a> in <i>JBoss AOP</i> - <a href="https://community.jboss.org/message/793155#793155">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi Friends,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p> I am ananda reddy dayyala, working fro Ericsson. Just i started working with JBPM. I am getting the below error when i start ProcessMain.java file from the eclipse.Can any one help me to solve this issue . your help will be appreciated .</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Exception in thread "main" java.lang.IllegalArgumentException: Unable to instantiate service for Class 'org.drools.compiler.BPMN2ProcessProvider'</p><p>    at org.drools.util.ServiceRegistryImpl.get(ServiceRegistryImpl.java:166)</p><p>    at org.drools.compiler.BPMN2ProcessFactory.loadProvider(BPMN2ProcessFactory.java:28)</p><p>    at org.drools.compiler.BPMN2ProcessFactory.getBPMN2ProcessProvider(BPMN2ProcessFactory.java:20)</p><p>    at org.drools.compiler.BPMN2ProcessFactory.configurePackageBuilder(BPMN2ProcessFactory.java:11)</p><p>    at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:708)</p><p>    at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:51)</p><p>    at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:40)</p><p>    at com.sample.ProcessMain.readKnowledgeBase(ProcessMain.java:25)</p><p>    at com.sample.ProcessMain.main(ProcessMain.java:17)</p><p>Caused by: java.lang.IllegalArgumentException: Unable to instantiate 'org.jbpm.bpmn2.BPMN2ProcessProviderImpl'</p><p>    at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.newInstance(ServiceRegistryImpl.java:217)</p><p>    at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.call(ServiceRegistryImpl.java:209)</p><p>    at org.drools.util.ServiceRegistryImpl.get(ServiceRegistryImpl.java:164)</p><p>    ... 8 more</p><p>Caused by: java.lang.ClassNotFoundException: org.jbpm.bpmn2.BPMN2ProcessProviderImpl</p><p>    at java.net.URLClassLoader$1.run(Unknown Source)</p><p>    at java.net.URLClassLoader$1.run(Unknown Source)</p><p>    at java.security.AccessController.doPrivileged(Native Method)</p><p>    at java.net.URLClassLoader.findClass(Unknown Source)</p><p>    at java.lang.ClassLoader.loadClass(Unknown Source)</p><p>    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)</p><p>    at java.lang.ClassLoader.loadClass(Unknown Source)</p><p>    at java.lang.Class.forName0(Native Method)</p><p>    at java.lang.Class.forName(Unknown Source)</p><p>    at org.drools.util.ServiceRegistryImpl$ReflectionInstantiator.newInstance(ServiceRegistryImpl.java:214)</p><p>    ... 10 more</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks,</p><p>Ananda</p></div>
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