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Cannot instantiate abstract class or interface
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created by <a href="http://community.jboss.org/people/dearest555">dearest555</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/640479#640479">View the full discussion</a>
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<div class="jive-rendered-content"><p><span style="font-size: 10pt;">  Hi,</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;">I 'm newbie in JBPM. I try to do assign handler but I got an error message.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;"><p align="left">Caused by: <span style="text-decoration: underline;"><span style="color: #000080; font-size: 10pt; text-decoration: underline;"><span style="color: #000080; font-size: 10pt; text-decoration: underline;">org.hibernate.InstantiationException</span></span></span></p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style="font-size: 10pt;">  <p>Cannot instantiate abstract class or interface: com.mmm.workflow.bom.Document</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;">-file : process.jpdl.xml</span></p></span></span><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>package com.dear.workflow.task.assigment;</p><p>import org.apache.commons.lang.StringUtils;<br/>import org.jbpm.api.model.OpenExecution;<br/>import org.jbpm.api.task.Assignable;</p><p>import com.dear.common.bom.Employee;<br/>import com.dear.workflow.bom.Document;<br/>import com.trg.search.Search;</p><p>public class AssignByOrganization extends AssignmentBase {</p><p>  public static String ORGANIZATION_TYPE_SUPERVISOR = "supervisor";<br/>  public static String ORGANIZATION_TYPE_DIVMGR = "divmgr";<br/>  public static String ORGANIZATION_TYPE_DEPTMGR = "deptmgr";</p><p>  String type;<br/> /* (non-Javadoc)<br/>  * @see org.jbpm.api.task.AssignmentHandler#assign(org.jbpm.api.task.Assignable, org.jbpm.api.model.OpenExecution)<br/>  */<br/> public void assign(Assignable assignable, OpenExecution execution)<br/>   throws Exception {<br/>  String docRefId = (String)execution.getVariable("docRefId");<br/>  Search search = new Search(Document.class);<br/>  search.addFilterEqual("docRefId", docRefId);<br/>  Document document = (Document)generalDAO.searchUnique(search);<br/>  //Document document = (Document)execution.getVariable("document");<br/>  Employee author = generalDAO.find(Employee.class, StringUtils.rightPad(document.getAuthor().getEmployeeId(), 10, " ").toUpperCase() ).getSupervisor(); <br/>  //generalDAO.refresh(author);<br/>  if(author != null)<br/>  {<br/>   if(type.equals(ORGANIZATION_TYPE_SUPERVISOR))<br/>    assignable.setAssignee(author.getSupervisor().getEmployeeId());<br/>   if(type.equals(ORGANIZATION_TYPE_DIVMGR))<br/>    assignable.setAssignee(author.getDivisionManager().getEmployeeId());<br/>   if(type.equals(ORGANIZATION_TYPE_DEPTMGR))<br/>    assignable.setAssignee(author.getDepartmentManager().getEmployeeId());   <br/>  }<br/>  </p><p> }<br/> </p><p>}</p><p><span style="color: #000080; font-size: 10pt;"></span></p><p><a class="jive-link-anchor-small">#</a></p></p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><p><span style=": ; color: #008080; font-size: 2;"><p align="left"><</p></span><span style="color: #3f7f7f; font-size: 10pt;">task</span><span style="color: #000000; font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">g</span><span style="color: #000000; font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"186,155,123,52"</em></em><span style="color: #000000; font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">name</span><span style="color: #000000; font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"Supervisor Review"</em></em><p align="left"><span style="color: #008080; font-size: 10pt;"><p align="left"><span style="color: #008080; font-size: 10pt;">></span></p></span></p><span style="color: #008080; font-size: 10pt;"><</span><span style="color: #3f7f7f; font-size: 10pt;">assignment-handler</span><span style="font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">auto-wire</span><span style="font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"true"</em></em><span style="font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">class</span><span style="font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"com.dear.workflow.task.assigment.AssignByOrganization"</em></em><p align="left"><span style="color: #008080; font-size: 10pt;"><p align="left"><span style="color: #008080; font-size: 10pt;">></span></p></span></p><span style="color: #008080; font-size: 10pt;"><</span><span style="color: #3f7f7f; font-size: 10pt;">field</span><span style="font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">name</span><span style="font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"type"</em></em><p align="left"><span style="color: #008080; font-size: 10pt;"><p align="left"><span style="color: #008080; font-size: 10pt;">></span></p></span></p><span style="color: #008080; font-size: 10pt;"><</span><span style="color: #3f7f7f; font-size: 10pt;">string</span><span style="font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">value</span><span style="font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"supervisor"</em></em><p align="left"><span style="color: #008080; font-size: 10pt;"><p align="left"><span style="color: #008080; font-size: 10pt;">/></span></p></span></p><span style="color: #008080; font-size: 10pt;"></</span><span style="color: #3f7f7f; font-size: 10pt;">field</span><span style="color: #008080; font-size: 10pt;">></span><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"><span style="font-size: 10pt;"> </span> </p><span style="color: #008080; font-size: 10pt;"></</span><span style="color: #3f7f7f; font-size: 10pt;">assignment-handler</span><p align="left"><span style="color: #008080; font-size: 10pt;"><p align="left"><span style="color: #008080; font-size: 10pt;">></span></p></span></p><span style="color: #008080; font-size: 10pt;"><</span><span style="color: #3f7f7f; font-size: 10pt;">notification</span><span style="color: #008080; font-size: 10pt;">/></span><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"><span style="font-size: 10pt;"> </span> </p><p align="left"><span style="color: #3f5fbf; font-size: 10pt;"><p align="left"><span style="color: #3f5fbf; font-size: 10pt;"><!--<p align="left"><reminder <span style="text-decoration: underline;">duedate</span>="2 minutes" repeat="10 seconds"/> </p><p align="left">--></p></span></p></span></p><span style="color: #008080; font-size: 10pt;"><</span><span style="color: #3f7f7f; font-size: 10pt;">transition</span><span style="font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">g</span><span style="font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"464,134:-36,-18"</em></em><span style="font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">name</span><span style="font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"deny"</em></em><span style="font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">to</span><span style="font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"notify deny"</em></em><p align="left"><span style="color: #008080; font-size: 10pt;"><p align="left"><span style="color: #008080; font-size: 10pt;">/></span></p></span></p><span style="color: #008080; font-size: 10pt;"><</span><span style="color: #3f7f7f; font-size: 10pt;">transition</span><span style="font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">g</span><span style="font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"5,-16"</em></em><span style="font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">name</span><span style="font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"approve"</em></em><span style="font-size: 10pt;"> </span><span style="color: #7f007f; font-size: 10pt;">to</span><span style="font-size: 10pt;">=</span><em style="color: #2a00ff; font-size: 10pt;"><em style="color: #2a00ff; font-size: 10pt;">"Finance Review"</em></em><p align="left"><span style="color: #008080; font-size: 10pt;"><p align="left"><span style="color: #008080; font-size: 10pt;">/></span></p></span></p><span style="color: #008080; font-size: 10pt;"></</span><span style="color: #3f7f7f; font-size: 10pt;">task</span><p><span style="color: #008080; font-size: 10pt;">></span></p><p><span style="color: #008080;">-</span></p></p></p></div>
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<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/640479#640479">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in jBPM at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034">Community</a></p>
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