Process:
<?xml version="1.0" encoding="UTF-8"?>
<process name="TwoForks" xmlns="http://jbpm.org/4.0/jpdl">
<start g="179,17,32,29" name="start1">
<transition g="-43,-18" name="to fork1" to="fork1"/>
</start>
<fork g="185,95,49,50" name="fork1">
<transition name="left" to="task1" g="-44,-18"/>
<transition name="right" to="task2" g="-44,-18"/>
</fork>
<end g="193,606,38,33" name="end1"/>
<task name="task1" g="90,177,73,44">
<transition name="to fork2" to="fork2" g="-43,-18"/>
</task>
<task name="task2" g="249,172,83,48">
<transition name="to join2" to="join2" g="288,425:-41,-18"/>
</task>
<task name="task3" g="21,313,88,45">
<transition name="to join1" to="join1" g="-41,-18"/>
</task>
<task name="task4" g="154,313,88,48">
<transition name="to join1" to="join1" g="-41,-18"/>
</task>
<fork name="fork2" g="108,250,37,28">
<transition name="left" to="task3" g="-44,-18"/>
<transition name="right" to="task4" g="-44,-18"/>
</fork>
<join name="join1" g="112,407,51,31">
<transition name="to join2" to="join2" g="-41,-18"/>
</join>
<join name="join2" g="192,511,57,44">
<transition name="to end1" to="end1" g="-42,-18"/>
</join>
</process>
Unit Test:
package org.jbpm.examples.fork;
import java.util.Date;
import java.util.List;
import org.jbpm.api.ProcessInstance;
import org.jbpm.api.task.Task;
import org.jbpm.test.JbpmTestCase;
import junit.framework.TestCase;
public class TwoForksTest extends JbpmTestCase {
String deploymentId;
protected void setUp() throws Exception {
super.setUp();
deploymentId = repositoryService.createDeployment()
.addResourceFromClasspath("org/jbpm/examples/fork/process.jpdl.xml")
.deploy();
}
protected void tearDown() throws Exception {
repositoryService.deleteDeploymentCascade(deploymentId);
super.tearDown();
}
public void testTwoForks(){
ProcessInstance processInstance = executionService.startProcessInstanceByKey("TwoForks");
List<Task> tasks = taskService.createTaskQuery().list();
for(Task task:tasks){
taskService.completeTask(task.getId());
}
Date endTime = historyService
.createHistoryProcessInstanceQuery()
.processInstanceId(processInstance.getId())
.uniqueResult()
.getEndTime();
assertNotNull(endTime);
}
}
Log:
16:07:07,015 SEV | [BaseJbpmTestCase] TEST THROWS EXCEPTION: could not update: [org.jbpm.pvm.internal.model.ExecutionImpl#14]
org.hibernate.exception.ConstraintViolationException: could not update: [org.jbpm.pvm.internal.model.ExecutionImpl#14]
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:94)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2453)
at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2335)
at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2635)
at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:115)
at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:279)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:263)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:168)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1027)
at org.jbpm.pvm.internal.tx.HibernateSessionResource.prepare(HibernateSessionResource.java:56)
at org.jbpm.pvm.internal.tx.StandardTransaction.commit(StandardTransaction.java:106)
at org.jbpm.pvm.internal.tx.StandardTransaction.complete(StandardTransaction.java:65)
at org.jbpm.pvm.internal.tx.StandardTransactionInterceptor.execute(StandardTransactionInterceptor.java:61)
at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.executeInNewEnvironment(EnvironmentInterceptor.java:53)
at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:40)
at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:55)
at org.jbpm.pvm.internal.svc.SkipInterceptor.execute(SkipInterceptor.java:43)
at org.jbpm.pvm.internal.svc.TaskServiceImpl.completeTask(TaskServiceImpl.java:88)
at org.jbpm.examples.fork.TwoForksTest.testTwoForks(TwoForksTest.java:35)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:164)
at org.jbpm.test.BaseJbpmTestCase.runTest(BaseJbpmTestCase.java:80)
at junit.framework.TestCase.runBare(TestCase.java:130)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:120)
at junit.framework.TestSuite.runTest(TestSuite.java:230)
at junit.framework.TestSuite.run(TestSuite.java:225)
at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.sql.SQLException: Violation of unique constraint $$: duplicate value(s) for column(s) $$: SYS_CT_9890 in statement [update JBPM4_EXECUTION set DBVERSION_=?, ACTIVITYNAME_=?, PROCDEFID_=?, HASVARS_=?, NAME_=?, KEY_=?, ID_=?, STATE_=?, SUSPHISTSTATE_=?, PRIORITY_=?, HISACTINST_=?, PARENT_=?, INSTANCE_=?, SUPEREXEC_=?, SUBPROCINST_=? where DBID_=? and DBVERSION_=?]
at org.hsqldb.jdbc.Util.throwError(Unknown Source)
at org.hsqldb.jdbc.jdbcPreparedStatement.executeUpdate(Unknown Source)
at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2435)
... 38 more
Regards,
David