Hello All,

         Im new to jBPM . Trying to start process from my Web Application.

          Im trying to create newStatefulKnowledgeSession to start the process. TransactionManagerServices.getTransactionManager() returns null while setting it in

org.kie.api.runtime.Environment for EnvironmentName.TRANSACTION_MANAGER.

    Im using Tomcat 7 server configured in Eclipse Kepler. Here is the code snippet and attached persistence.xml .

Code Snippet:

          EntityManagerFactory emf = Persistence

                           .createEntityManagerFactory("org.jbpm.persistence.jpa");

               Environment env = KnowledgeBaseFactory

                                .newEnvironment();

               env.set(EnvironmentName.ENTITY_MANAGER_FACTORY, emf);

               env.set(EnvironmentName.TRANSACTION_MANAGER,TransactionManagerServices.getTransactionManager());

// BitronixTransactionManager transactionManager = TransactionManagerServices.getTransactionManager();

// transactionManager.getTransaction() : return null .

               return JPAKnowledgeService

                           .newStatefulKnowledgeSession(kbase, null, env);

Kindly help me to resolve this. Should jndi.properties to be configured? If yes where to place it in web application?