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How to use jar files in guvnor?
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created by <a href="https://community.jboss.org/people/xealous">xealous</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/743961#743961">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi everyone, </p><p>I've been searching for days and still couldn't find good tutorials on jbpm5. I have a hard time using external jars in my project. Any help is appreciated <span> :) </span></p><p>Here are the steps I took;</p><p>I have a CreateProject.jar file that I need to use with my process so that I can write stuff to the database via a web service. </p><p>I have com.deneme.CreateProject class in it that I import and use in my script task.</p><p>I've uploaded it as POJO model jar</p><p>Package validation and build is successful but I don't see my process in jbpm-console and jboss server log has the following:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><blockquote class="jive-quote"><p>15:08:21,612 ERROR [stderr] (Thread-43) java.lang.RuntimeException: KnowledgeAgent exception while trying to deserialize KnowledgeDefinitionsPackage  </p><p>15:08:21,612 ERROR [stderr] (Thread-43)     at org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:776) </p><p>15:08:21,612 ERROR [stderr] (Thread-43)     at org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:706) </p><p>15:08:21,612 ERROR [stderr] (Thread-43)     at org.drools.agent.impl.KnowledgeAgentImpl.incrementalBuildResources(KnowledgeAgentImpl.java:892) </p><p>15:08:21,612 ERROR [stderr] (Thread-43)     at org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:675) </p><p>15:08:21,612 ERROR [stderr] (Thread-43)     at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:203) </p><p>15:08:21,612 ERROR [stderr] (Thread-43)     at org.drools.agent.impl.KnowledgeAgentImpl$ChangeSetNotificationDetector.run(KnowledgeAgentImpl.java:1270)</p><p>15:08:21,612 ERROR [stderr] (Thread-43)     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)</p><p>15:08:21,613 ERROR [stderr] (Thread-43)     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)</p><p>15:08:21,613 ERROR [stderr] (Thread-43)     at java.util.concurrent.FutureTask.run(FutureTask.java:138)</p><p>15:08:21,613 ERROR [stderr] (Thread-43)     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)</p><p>15:08:21,613 ERROR [stderr] (Thread-43)     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)</p><p>15:08:21,613 ERROR [stderr] (Thread-43)     at java.util.concurrent.FutureTask.run(FutureTask.java:138)</p><p>15:08:21,613 ERROR [stderr] (Thread-43)     at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)</p><p>15:08:21,613 ERROR [stderr] (Thread-43)     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)</p><p>15:08:21,613 ERROR [stderr] (Thread-43)     at java.lang.Thread.run(Thread.java:662)</p><p>15:08:21,614 ERROR [stderr] (Thread-43) Caused by: java.lang.ClassNotFoundException: com.deneme.CreateProject from [Module "deployment.jbpm-gwt-console-server.war:main" from Service Module Loader]</p><p>15:08:21,614 ERROR [stderr] (Thread-43)     at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:191)</p><p>15:08:21,614 ERROR [stderr] (Thread-43)     at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:361)</p><p>15:08:21,614 ERROR [stderr] (Thread-43)     at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:333)</p><p>15:08:21,614 ERROR [stderr] (Thread-43)     at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:310)</p><p>15:08:21,614 ERROR [stderr] (Thread-43)     at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:103)</p><p>15:08:21,614 ERROR [stderr] (Thread-43)     at java.lang.Class.forName0(Native Method)</p><p>15:08:21,614 ERROR [stderr] (Thread-43)     at java.lang.Class.forName(Class.java:247)</p><p>15:08:21,615 ERROR [stderr] (Thread-43)     at org.drools.common.DroolsObjectInputStream.resolveClass(DroolsObjectInputStream.java:85)</p><p>15:08:21,615 ERROR [stderr] (Thread-43)     at org.drools.common.DroolsObjectInputStream.resolveClass(DroolsObjectInputStream.java:97)</p><p>15:08:21,615 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1574)</p><p>15:08:21,615 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1495)</p><p>15:08:21,615 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readClass(ObjectInputStream.java:1461)</p><p>15:08:21,615 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1311)</p><p>15:08:21,615 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)</p><p>15:08:21,615 ERROR [stderr] (Thread-43)     at java.util.HashMap.readObject(HashMap.java:1030)</p><p>15:08:21,616 ERROR [stderr] (Thread-43)     at sun.reflect.GeneratedMethodAccessor54.invoke(Unknown Source)</p><p>15:08:21,616 ERROR [stderr] (Thread-43)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>15:08:21,616 ERROR [stderr] (Thread-43)     at java.lang.reflect.Method.invoke(Method.java:597)</p><p>15:08:21,616 ERROR [stderr] (Thread-43)     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:969)</p><p>15:08:21,616 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)</p><p>15:08:21,616 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)</p><p>15:08:21,616 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)</p><p>15:08:21,616 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)</p><p>15:08:21,616 ERROR [stderr] (Thread-43)     at org.drools.rule.MVELDialectRuntimeData.readExternal(MVELDialectRuntimeData.java:85)</p><p>15:08:21,617 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)</p><p>15:08:21,617 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)</p><p>15:08:21,617 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)</p><p>15:08:21,617 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)</p><p>15:08:21,617 ERROR [stderr] (Thread-43)     at java.util.HashMap.readObject(HashMap.java:1030)</p><p>15:08:21,617 ERROR [stderr] (Thread-43)     at sun.reflect.GeneratedMethodAccessor54.invoke(Unknown Source)</p><p>15:08:21,617 ERROR [stderr] (Thread-43)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>15:08:21,617 ERROR [stderr] (Thread-43)     at java.lang.reflect.Method.invoke(Method.java:597)</p><p>15:08:21,617 ERROR [stderr] (Thread-43)     at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:969)</p><p>15:08:21,618 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1848)</p><p>15:08:21,618 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1752)</p><p>15:08:21,618 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)</p><p>15:08:21,618 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)</p><p>15:08:21,618 ERROR [stderr] (Thread-43)     at org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:59)</p><p>15:08:21,618 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)</p><p>15:08:21,618 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)</p><p>15:08:21,618 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)</p><p>15:08:21,619 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)</p><p>15:08:21,619 ERROR [stderr] (Thread-43)     at org.drools.rule.Package.readExternal(Package.java:208)</p><p>15:08:21,619 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1791)</p><p>15:08:21,619 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)</p><p>15:08:21,619 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1328)</p><p>15:08:21,619 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1666)</p><p>15:08:21,619 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1322)</p><p>15:08:21,619 ERROR [stderr] (Thread-43)     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)</p><p>15:08:21,619 ERROR [stderr] (Thread-43)     at org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:205)</p><p>15:08:21,620 ERROR [stderr] (Thread-43)     at org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:174)</p><p>15:08:21,620 ERROR [stderr] (Thread-43)     at org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:749)</p><p>15:08:21,620 ERROR [stderr] (Thread-43)     ... 14 more</p></blockquote><p>Moreover, is using script task is fine or should I use another approach?</p><p>Thanks in advence</p></div>
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