[jboss-dev-forums] [jBPM Development] - org.jbpm.api.JbpmException: couldn't get resource urls for jbpm.user.wire.bindings.xml

[Chaitanya Desai]

Chaitanya Desai [http://community.jboss.org/people/chaitanya_d6%40yahoo.com] created the discussion

"org.jbpm.api.JbpmException: couldn't get resource urls for jbpm.user.wire.bindings.xml"

To view the discussion, visit: http://community.jboss.org/message/561436#561436

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I have a sample Hello project with following structure 
C:\jbpmTrial\Hello is my workspace :  Hello is the project within jbpmTrial workspace

*Hello
   ------src
         ------org.example.sample.greeting
               -----Hello.java
               -----hello.jpdl.xml
               ------hello.png
               ------review.ftl
         ------- jbpm.cfg.xml
         ------- jbpm.hibernate.cfg.xml   
    jBPM Libraries

jbpm installation: C:\jbpm-4.4
Jboss: C:\jboss-5.1.0.GA
jdk:C:\jdk1.6.0_21

I modified the ant build file provided with sample examples to deploy Hello project. I am able to see deployment on jbpm console and even the task forms and view the sample println outputs produced from another function in Hello.java file using cmd.

However when i try to access the processEngine and program/code certain logic in the main method I get an error

Exception in thread "main" java.lang.ExceptionInInitializerError
 at org.jbpm.pvm.internal.cfg.ConfigurationParser.<init>(ConfigurationParser.java:46)
 at org.jbpm.pvm.internal.cfg.ConfigurationParser.<clinit>(ConfigurationParser.java:49)
 at org.jbpm.pvm.internal.cfg.ConfigurationImpl.parse(ConfigurationImpl.java:137)
 at org.jbpm.pvm.internal.cfg.ConfigurationImpl.setResource(ConfigurationImpl.java:116)
 at org.jbpm.pvm.internal.cfg.ConfigurationImpl.setResource(ConfigurationImpl.java:50)
 at org.jbpm.api.Configuration.setResource(Configuration.java:79)
 at org.example.sample.greeting.Hello.main(Hello.java:26)
Caused by: org.jbpm.api.JbpmException: couldn't get resource urls for jbpm.user.wire.bindings.xml
 at org.jbpm.pvm.internal.wire.xml.WireParser.<clinit>(WireParser.java:284)
 ... 7 more
Caused by: java.lang.NullPointerException
 at org.jbpm.pvm.internal.wire.xml.WireParser.<clinit>(WireParser.java:281)
 ... 7 more

The error  is observed @ line:
ProcessEngine processEngine = new Configuration().setResource("C:/jbpmTrial/Hello/src/jbpm.cfg.xml").buildProcessEngine();

The main method that i am trying to run is :

public static void main(String args[]) 
 {
 String location="C:/jbpmTrial/Hello/src/jbpm.cfg.xml";
 URL u = ClassLoader.getSystemResource(location);
 
 ProcessEngine processEngine = new Configuration().setResource("C:/jbpmTrial/Hello/src/jbpm.cfg.xml").buildProcessEngine();
 
 
 System.out.println("Hello world, Starting the flow");
 
 System.out.println("Ending the flow");

 }
 


jbpm.cfg.xml file is:

<?xml version="1.0" encoding="UTF-8"?>
 
<jbpm-configuration>
 
  <import resource="jbpm.default.cfg.xml" />
  <import resource="jbpm.businesscalendar.cfg.xml" />
  <import resource="jbpm.tx.hibernate.cfg.xml" />
  <import resource="jbpm.jpdl.cfg.xml" />
  <import resource="jbpm.bpmn.cfg.xml" />
  <import resource="jbpm.identity.cfg.xml" />
 
  <!-- Job executor is excluded for running the example test cases. -->
  <!-- To enable timers and messages in production use, this should be included. -->
  <!--
  <import resource="jbpm.jobexecutor.cfg.xml" />
  -->
  <string name="jbpm.mail.smtp.host" value="smtp.gmail.com" />
  <string name="resource.mail.properties" value="jbpm.mail.properties" />
  
 
</jbpm-configuration>
 
<?xml version="1.0" encoding="UTF-8"?>

<jbpm-configuration>

  <import resource="jbpm.default.cfg.xml" />
  <import resource="jbpm.businesscalendar.cfg.xml" />
  <import resource="jbpm.tx.hibernate.cfg.xml" />
  <import resource="jbpm.jpdl.cfg.xml" />
  <import resource="jbpm.bpmn.cfg.xml" />
  <import resource="jbpm.identity.cfg.xml" />

  <!-- Job executor is excluded for running the example test cases. -->
  <!-- To enable timers and messages in production use, this should be included. -->
  <!--
  <import resource="jbpm.jobexecutor.cfg.xml" />
  -->
  <string name="jbpm.mail.smtp.host" value="smtp.gmail.com" />
  <string name="resource.mail.properties" value="jbpm.mail.properties" />


</jbpm-configuration>
 

Can anyone please explain me What is the root cause and give me pointers in appropriate direction to solve this. I am starting with Jbpm.
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