Couldn't parse process definition...
Hi all,
I am always in trouble... sigh... This is the situation:
-------------------------------------- PROCESS DEFINITION --------------------------------------
<?xml version="1.0" encoding="UTF-8"?>
<process-definition xmlns="urn:jbpm.org:jpdl-3.1" name="Initiator">
<swimlane name="initiator" />
<start-state name="start new process">
<task swimlane="process initiator" />
<transition name="tr1" to="decision">
<action name="action" class="com.sample.action.SampleActionHandler">
</action>
</transition>
</start-state>
<decision name="decision">
<handler class="com.sample.decision.SampleDecisionHandler"></handler>
<transition name="tr2" to="action"></transition>
<transition name="tr3" to="end1"></transition>
</decision>
<state name="action">
<transition name="tr4" to="end1"></transition>
</state>
<end-state name="end1"></end-state>
</process-definition>
---------------------------------------- MY ACTION HANDLER --------------------------------------
package com.sample.action;
import org.jbpm.graph.def.ActionHandler;
import org.jbpm.graph.exe.ExecutionContext;
public class SampleActionHandler implements ActionHandler
{
private static final long serialVersionUID = 1L;
public void execute(ExecutionContext context) throws Exception
{
Runtime rt = null;
Process process = null;
context.getContextInstance().createVariable("greeting", "Greeting from SampleActionHandler");
try
{
rt = Runtime.getRuntime();
process = rt.exec("C:\\Applications~1\\ECLIPSE~1\\Start.bat");
context.getContextInstance().createVariable("status", new Integer(process.waitFor()));
}
catch (Exception e)
{
System.out.println(e);
context.getContextInstance().createVariable("budget", new Integer(1));
}
}
}
------------------------------------- MY DECISION HANDLER --------------------------------------
package com.sample.decision;
import org.jbpm.graph.exe.ExecutionContext;
import org.jbpm.graph.node.DecisionHandler;
public class SampleDecisionHandler implements DecisionHandler
{
private static final long serialVersionUID = 1L;
public String decide(ExecutionContext context) throws Exception
{
int budget = ((Number)context.getContextInstance().getVariable("status")).intValue();
if (budget == 0) return "tr2";
else if (budget == 1) return "tr3";
else return "tr3";
}
}
---------------------------------------- MY NEW CLASS ----------------------------------------
package com.sample.util;
import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.graph.exe.ProcessInstance;
public class StartProcess
{
private String path = "";
/** Creates a new instance of StartProcess */
private StartProcess()
{
path = "C:\\Applications and Projects\\ECLIPSE Workspace\\Process Initiator\\src\\" +
"process\\Initiator.par\\processdefinition.xml";
}
public void init()
{
try
{
ProcessDefinition def = ProcessDefinition.parseXmlResource(path);
System.out.println("STEP 1 - Istanziata la classe ProcessDefinition");
ProcessInstance instance = new ProcessInstance(def);
System.out.println("STEP 2 - Istanziata la classe ProcessInstance");
instance.signal();
System.out.println("STEP 3 - Effettuato il primo signal");
}
catch(Exception e)
{
System.err.println(e.getMessage());
//e.printStackTrace();
}
}
public static void main(String[] args)
{
try
{
StartProcess sp = new StartProcess();
System.out.println("STEP 0 - Istanziata la classe StartProcess");
System.out.println(sp.path);
sp.init();
}
catch(Exception exc)
{
System.err.println(exc.getMessage());
exc.printStackTrace();
}
}
}
When I try to execute my class "StartProcess" then I have the error "Couldn't parse process definition...". This is the output:
[java] STEP 0 - Istanziata la classe StartProcess
[java] C:\Applications and Projects\ECLIPSE Workspace\Process Initiator\src\process\Initiator.par\processdefinition.xml
[java] 11:46:44,190 [main] INFO JbpmConfiguration : using jbpm configuration resource 'jbpm.cfg.xml'
[java] 11:46:44,737 [main] DEBUG JbpmConfiguration : creating jbpm configuration from input stream
[java] 11:46:44,831 [main] ERROR JpdlXmlReader : couldn't parse process definition
[java] org.dom4j.DocumentException: null Nested exception: null
[java] at org.dom4j.io.SAXReader.read(SAXReader.java:484)
[java] at org.jbpm.jpdl.xml.JpdlParser.parse(JpdlParser.java:57)
[java] at org.jbpm.jpdl.xml.JpdlXmlReader.readProcessDefinition(JpdlXmlReader.java:138)
[java] at org.jbpm.graph.def.ProcessDefinition.parseXmlInputStream(ProcessDefinition.java:172)
[java] at org.jbpm.graph.def.ProcessDefinition.parseXmlResource(ProcessDefinition.java:153)
[java] at com.sample.util.StartProcess.init(StartProcess.java:22)
[java] at com.sample.util.StartProcess.main(StartProcess.java:47)
[java] Nested exception:
[java] [[ERROR] couldn't parse process definition]
[java] java.net.MalformedURLException
[java] at java.net.URL.(URL.java:571)
[java] at java.net.URL.(URL.java:434)
[java] at java.net.URL.(URL.java:383)
[java] at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
[java] at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
[java] at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
[java] at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
[java] at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
[java] at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
[java] at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
[java] at org.dom4j.io.SAXReader.read(SAXReader.java:465)
[java] at org.jbpm.jpdl.xml.JpdlParser.parse(JpdlParser.java:57)
[java] at org.jbpm.jpdl.xml.JpdlXmlReader.readProcessDefinition(JpdlXmlReader.java:138)
[java] at org.jbpm.graph.def.ProcessDefinition.parseXmlInputStream(ProcessDefinition.java:172)
[java] at org.jbpm.graph.def.ProcessDefinition.parseXmlResource(ProcessDefinition.java:153)
[java] at com.sample.util.StartProcess.init(StartProcess.java:22)
[java] at com.sample.util.StartProcess.main(StartProcess.java:47)
Could someone explain to me why I'm having this error and what do I have to do to solve it ?
Thank you very much in advance !!
Regards,
Fidalma
Italy
