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Re: How does a sub-process work?
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created by <a href="http://community.jboss.org/people/stellina_rosa">stellina_rosa</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/610572#610572">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi Esteban! thank you for your answer!</p><p>I'm using jbpm5 and, reading the user guide, I thought that the solution for my problem was to use an embedded sub-process... but maybe I don't understand the difference between embedded and reusable sub-process!</p><p>BTW I read your example and I tried to do the same, so:</p><p>1) I create a new .bpmn file with a Reusable Sub-Process node, with ProcessId parameter set to: com.sample.bpmn.hello (is the id of the process that I want to reuse);</p><p>2) I added the new resource to the kbuilder;</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Now: I should start the new process, but I didn't do because I wanted to test if something was wrong... infact!... </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>java.lang.NullPointerException</p><p>          at org.jbpm.bpmn2.xml.di.BPMNPlaneHandler.end(BPMNPlaneHandler.java:75)</p><p>          at org.drools.xml.ExtensibleXmlParser.endElement(ExtensibleXmlParser.java:420)</p><p>          at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.endElement(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)</p><p>          at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)</p><p>          at javax.xml.parsers.SAXParser.parse(Unknown Source)</p><p>          at org.drools.xml.ExtensibleXmlParser.read(ExtensibleXmlParser.java:295)</p><p>          at org.drools.xml.ExtensibleXmlParser.read(ExtensibleXmlParser.java:174)</p><p>          at org.jbpm.compiler.xml.XmlProcessReader.read(XmlProcessReader.java:45)</p><p>          at org.jbpm.compiler.ProcessBuilderImpl.addProcessFromXml(ProcessBuilderImpl.java:249)</p><p>          at org.drools.compiler.PackageBuilder.addProcessFromXml(PackageBuilder.java:430)</p><p>          at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:470)</p><p>          at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:28)</p><p>          at com.sample.ProcessTest.createKSession(ProcessTest.java:77)</p><p>          at com.sample.ProcessTest.main(ProcessTest.java:42)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>java.lang.RuntimeException: Error building kbase!</p><p>          at com.sample.ProcessTest.createKSession(ProcessTest.java:89)</p><p>          at com.sample.ProcessTest.main(ProcessTest.java:42)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I'm sure that the processTest.java class is correct because if I delete the instruction :</p><p>kbuilder.add(ResourceFactory.newClassPathResource("myProcess.bpmn"), ResourceType.BPMN2);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have no error...! <span> :( </span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I can't understand <span> :( </span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>please help me</p></div>
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