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Cancel a process throws exceptions
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created by <a href="http://community.jboss.org/people/matrixpooh">Al Nadein</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/558638#558638">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>In my application, I'd like to be able to delete open (pending) process instances. My process instances usually consists of 2-8 subprocesses. The delete of the parent should be able to cascade delete its forked executions and its sub-processes, their forked children and their subprocesses. I'm running into</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>org.hibernate.exception.ConstraintViolationException: could not delete: [org.jbpm.pvm.internal.model.ExecutionImpl#23]<br/>    at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:94)<br/>    at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)<br/>    at org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2559)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>when doing a cascade delete. Seems that the process attempts to delete the parent record immediately, without looking for children processes.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Below is the complete unit test to reproduce the issue:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Your input would be highly appreciated.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>package workflow;import java.util.HashMap;import java.util.Map;import junit.framework.Assert;import org.jbpm.api.Configuration;import org.jbpm.api.Execution;import org.jbpm.api.ExecutionService;import org.jbpm.api.IdentityService;import org.jbpm.api.ProcessEngine;import org.jbpm.api.ProcessInstance;import org.jbpm.api.RepositoryService;import org.jbpm.api.activity.ActivityExecution;import org.jbpm.api.cmd.Command;import org.jbpm.api.cmd.Environment;import org.junit.After;import org.junit.Before;import org.junit.Ignore;import org.junit.Test;import org.slf4j.Logger;import org.slf4j.LoggerFactory;public class OpenProcessWithinProcessTest {    private static final Logger log = LoggerFactory.getLogger(OpenProcessWithinProcessTest.class);        public IdentityService identityService ;    public ExecutionService executionService;    public RepositoryService repositoryService;        static final String XML_MAIN = "(){            @Override            public Void execute(Environment environment) throws Exception {                ((ActivityExecution)processInstance1).end(Execution.STATE_ENDED);                return null;            }});        }}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></div>
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