topic How to get ProcessInstance from BusinessProcess. in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/how-to-get-processinstance-from-businessprocess/m-p/110149#M77348 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><SPAN>I have taken ui-mediator example from below link.</SPAN><BR /><BR /><A href="http://www.bpm-guide.de/2012/04/04/pageflow-vs-process-flow-and-ui-mediator-pattern/" rel="nofollow noopener noreferrer">http://www.bpm-guide.de/2012/04/04/pageflow-vs-process-flow-and-ui-mediator-pattern/</A><BR /><BR /><SPAN>While creating the the ProcessInstance through BusinessProcess i am getting NullPointerException.</SPAN><BR /><BR /><SPAN>My code is like Below.</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE><BR />package com.rolta.onv.ui.customerregistration;<BR /><BR />import java.util.HashMap;<BR />import java.util.Map;<BR />import javax.faces.bean.ManagedBean;<BR />import javax.faces.bean.ManagedProperty;<BR />import javax.faces.bean.RequestScoped;<BR />import javax.persistence.EntityManager;<BR />import javax.persistence.EntityManagerFactory;<BR />import javax.persistence.Persistence;<BR />import org.activiti.cdi.BusinessProcess;<BR />import org.activiti.engine.runtime.ProcessInstance;<BR />import org.apache.log4j.Logger;<BR /><BR />import com.rolta.onv.ui.util.CustomerUtil;<BR /><BR /><BR />@ManagedBean(name="customerService")<BR />@RequestScoped<BR />public class CustomerService {<BR />&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp; private static Logger sLog = Logger.getLogger(CustomerService.class.getName());<BR />&nbsp;&nbsp;&nbsp; public static final String VARNAME_CUSTOMER_ID = "customerId";<BR />&nbsp;&nbsp;&nbsp; public static final String PROCESS_KEY = "uimediator";<BR />&nbsp;&nbsp;&nbsp; <BR />&nbsp;&nbsp;&nbsp; private static EntityManagerFactory factory =&nbsp; Persistence.createEntityManagerFactory("Worksample");<BR /> EntityManager entityManager= factory.createEntityManager();<BR />&nbsp; private BusinessProcess businessProcess;<BR /><BR />&nbsp;&nbsp;&nbsp; private CustomerEO customer;<BR />&nbsp;&nbsp;&nbsp; <BR />&nbsp;&nbsp;&nbsp; @ManagedProperty(value="#{customerUtil}")<BR />&nbsp;&nbsp;&nbsp; private CustomerUtil customerUtil;<BR />&nbsp;&nbsp;&nbsp; public CustomerEO getCustomer()<BR />&nbsp;&nbsp;&nbsp; {<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;if(customer==null)<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;{<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Long customerId = businessProcess.getVariable(VARNAME_CUSTOMER_ID);<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; customer = entityManager.find(CustomerEO.class, customerId);<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;}<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;return customer;<BR />&nbsp;&nbsp;&nbsp; }<BR />&nbsp;&nbsp;&nbsp; <BR />&nbsp;&nbsp;&nbsp; public CustomerEO getNewOrder() {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (customer == null) {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; customer = new CustomerEO();<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return customer;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <BR />&nbsp;&nbsp;&nbsp; public CustomerService() {<BR />&nbsp;&nbsp;&nbsp;<BR />&nbsp;&nbsp;&nbsp;}<BR />&nbsp;&nbsp;&nbsp; public CustomerUtil getCustomerUtil() {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return customerUtil;<BR />&nbsp;&nbsp;&nbsp;}<BR />&nbsp;&nbsp; public void setCustomerUtil(CustomerUtil customerUtil) {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this.customerUtil = customerUtil;<BR />&nbsp;&nbsp;&nbsp;}<BR />&nbsp;&nbsp;&nbsp; public ProcessInstance startCustomerRegistration() {<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; if (customer == null) {<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; customer = new CustomerEO();<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;entityManager.getTransaction().begin();<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;customer.setFirstname(customerUtil.getUserName());<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;customer.setLastname(customerUtil.getLastName());<BR />&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;entityManager.persist(customer);<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Map&lt;String, Object&gt; variables = new HashMap&lt;String, Object&gt;();<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; variables.put(VARNAME_CUSTOMER_ID, customer.getId());<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; this.customer = null;<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; entityManager.getTransaction().commit();<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; System.out.println("variables—————"+variables);<BR />&nbsp;&nbsp;&nbsp; <BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return businessProcess.startProcessByKey(PROCESS_KEY, variables);<BR />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }<BR />}<BR /><BR /><BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><BR /><SPAN>Please tell me how to ProcessInstance from BusinessProcess.</SPAN></BODY></HTML> Fri, 07 Sep 2012 12:45:50 GMT sherlock 2012-09-07T12:45:50Z How to get ProcessInstance from BusinessProcess. https://connect.hyland.com/t5/alfresco-archive/how-to-get-processinstance-from-businessprocess/m-p/110149#M77348 Hi,I have taken ui-mediator example from below link.http://www.bpm-guide.de/2012/04/04/pageflow-vs-process-flow-and-ui-mediator-pattern/While creating the the ProcessInstance through BusinessProcess i am getting NullPointerException.My code is like Below.package com.rolta.onv.ui.customerregistration Fri, 07 Sep 2012 12:45:50 GMT https://connect.hyland.com/t5/alfresco-archive/how-to-get-processinstance-from-businessprocess/m-p/110149#M77348 sherlock 2012-09-07T12:45:50Z Re: How to get ProcessInstance from BusinessProcess. https://connect.hyland.com/t5/alfresco-archive/how-to-get-processinstance-from-businessprocess/m-p/110150#M77349 <HTML><HEAD></HEAD><BODY><SPAN>I am not sure but maybe try: </SPAN><CODE>@Inject private BusinessProcess businessProcess;</CODE><SPAN> But you must use Activiti CDI first in your configuration. See manual.</SPAN></BODY></HTML> Tue, 11 Sep 2012 15:47:30 GMT https://connect.hyland.com/t5/alfresco-archive/how-to-get-processinstance-from-businessprocess/m-p/110150#M77349 p4w3l 2012-09-11T15:47:30Z