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jBPM 4.3 starting a sub-process after a state node will fail
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created by <a href="http://community.jboss.org/people/tunmang">Tun Mang</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/534791#534791">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>I got a db constrain failure when call executionService.signalExecutionById(executionId) for the "check_id" state node as shown below. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>================================</p><div id="_mcePaste"><?xml version="1.0" encoding="UTF-8"?></div><div id="_mcePaste"> </div><div id="_mcePaste"><span><process name="SubDocument" xmlns="</span><a class="jive-link-external-small" href="http://jbpm.org/4.3/jpdl" target="_blank">http://jbpm.org/4.3/jpdl</a><span>"></span></div><div id="_mcePaste"> </div><div id="_mcePaste">  <start g="36,109,48,48"></div><div id="_mcePaste">    <transition to="check_id" ></div><div id="_mcePaste">   <event-listener></div><div id="_mcePaste">        <field name="msg"><string value="(start) go to state (check_id)."/></field></div><div id="_mcePaste">      </event-listener>       </div><div id="_mcePaste">    </transition>    </div><div id="_mcePaste">  </start></div><div> </div><div id="_mcePaste"> </div><div id="_mcePaste"> </div><div id="_mcePaste">  <state name="check_id" g="256,106,88,52" >    </div><div id="_mcePaste">    <transition to="review" g="167,200:7,3"></div><div id="_mcePaste">   <event-listener></div><div id="_mcePaste">        <field name="msg"><string value="(check_id) go to (sub-process)."/></field></div><div id="_mcePaste">      </event-listener>          </div><div id="_mcePaste">    </transition>      </div><div id="_mcePaste">  </state></div><div id="_mcePaste"> </div><div id="_mcePaste"> </div><div id="_mcePaste"> </div><div id="_mcePaste"> </div><div id="_mcePaste">  <sub-process name="review" sub-process-key="SubProcTasks" g="118,106,99,52">               </div><div id="_mcePaste">    <transition to="ok" g="167,67:6,-19">      </div><div id="_mcePaste">   <event-listener></div><div id="_mcePaste">        <field name="msg"><string value="(sub-process) go to parent (ok)."/></field></div><div id="_mcePaste">      </event-listener>       </div><div id="_mcePaste">    </transition>    </div><div id="_mcePaste">  </sub-process></div><div id="_mcePaste">  </div><div id="_mcePaste">  <state name="ok"     g="255,41,88,52">    </div><div id="_mcePaste">    <transition to="end" g="167,67:6,-19">      </div><div id="_mcePaste">   <event-listener></div><div id="_mcePaste">        <field name="msg"><string value="(parent-process) go to (end)."/></field></div><div id="_mcePaste">      </event-listener></div><div id="_mcePaste">    </transition>            </div><div id="_mcePaste">  </state>  </div><div id="_mcePaste"> </div><div id="_mcePaste"> </div><div id="_mcePaste"> </div><div id="_mcePaste">  <end name="end" g="254,19,88,52" ></div><div id="_mcePaste">    <on event="start"></div><div id="_mcePaste">   <event-listener></div><div id="_mcePaste">        <field name="msg"><string value="(parent-process) entered (end) node."/></field></div><div id="_mcePaste">      </event-listener>       </div><div id="_mcePaste">    </on>   </div><div id="_mcePaste">  </end>  </div><div id="_mcePaste"></process></div><div> </div><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>======================</p><p>The exception is listed below:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><p>16:38:55,249 WRN | [JDBCExceptionReporter] SQL Error: 1452, SQLState: 23000</p><p>16:38:55,249 SEV | [JDBCExceptionReporter] Cannot add or update a child row:</p><p>a foreign key constraint fails (`jbpm_4_3/jbpm4_execution`, CONSTRAINT `FK_EXEC_SUBPI` FOREIGN KEY (`SUBPROCINST_`) REFERENCES `jbpm4_execution` (`DBID_`))</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>### EXCEPTION ###########################################</p><p>16:38:55,249 SEV | [AbstractFlushingEventListener] Could not synchronize database state with session</p><p>org.hibernate.exception.ConstraintViolationException: could not update: [org.jbpm.pvm.internal.model.ExecutionImpl#240001]</p><p><span> </span>at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:71)</p><p><span> </span>at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)</p><p><span> </span>at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2425)</p><p><span> </span>at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2307)</p><p><span> </span>at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2607)</p><p><span> </span>at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:92)</p><p><span> </span>at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:248)</p><p><span> </span>at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:232)</p><p><span> </span>at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:140)</p><p><span> </span>at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)</p><p><span> </span>at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)</p><p><span> </span>at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)</p><p><span> </span>at org.jbpm.pvm.internal.id.AcquireDbidBlockCmd.execute(AcquireDbidBlockCmd.java:35)</p><p><span> </span>at org.jbpm.pvm.internal.id.AcquireDbidBlockCmd.execute(AcquireDbidBlockCmd.java:10)</p><p><span> </span>at org.jbpm.pvm.internal.svc.DefaultCommandService.execute(DefaultCommandService.java:42)</p><p>....</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>===============================</p><p>But if I remove the "check_id" state node and make the start node's transition directly go to the sub-process, everything goes fine.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Can someone help me about this one? Thanks a lot in advance.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p></div>
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