2:12 a.m.
Use jbpm4.0 i have test a simple process give me mysql error !!
processDefine file
| <?xml version="1.0" encoding="UTF-8"?>
|
| <process name="normal" xmlns="http://jbpm.org/4.0/jpdl">
| <start g="5,120,48,48" name="start1">
| <transition g="-53,-17" name="to task1"
to="task1"/>
| </start>
| <end g="729,248,48,48" name="end1"/>
| <task assignee="${owner}" g="87,118,92,52"
name="task1">
|
| <transition g="-53,-17" name="to fork1"
to="fork1"/>
| </task>
| <task assignee="${owner}" g="324,140,92,52"
name="task2">
| <transition name="to join1" to="join1"
g="-53,-17"/>
| </task>
| <fork g="198,223,48,48" name="fork1">
| <transition g="-53,-17" name="to task3"
to="task3"/>
| <transition g="-53,-17" name="to task2"
to="task2"/>
| </fork>
| <task assignee="${owner}" g="338,258,92,52"
name="task3">
| <transition name="to join1" to="join1"
g="-53,-17"/>
| </task>
| <task name="task5" g="579,183,92,52"
assignee="${owner}">
| <transition name="to end1" to="end1"
g="-47,-17"/>
| </task>
| <join name="join1" g="517,237,48,48">
| <transition name="to task5" to="task5"
g="-30,4"/>
| </join>
| </process>
mycontroller
| package org.jackysoft.bpm.controller;
|
| import java.util.HashMap;
| import java.util.List;
| import java.util.Map;
|
| import javax.annotation.Resource;
| import javax.servlet.http.HttpServletRequest;
| import javax.servlet.http.HttpServletResponse;
|
| import org.jbpm.api.ExecutionService;
| import org.jbpm.api.HistoryService;
| import org.jbpm.api.IdentityService;
| import org.jbpm.api.ManagementService;
| import org.jbpm.api.ProcessEngine;
| import org.jbpm.api.RepositoryService;
| import org.jbpm.api.TaskService;
| import org.jbpm.api.identity.User;
| import org.jbpm.api.task.Task;
| import org.springframework.stereotype.Controller;
| import org.springframework.web.bind.annotation.RequestMapping;
| import org.springframework.web.bind.annotation.RequestParam;
| import org.springframework.web.servlet.ModelAndView;
|
|
| @Controller
| @RequestMapping("/work.htm")
| public class ProcessWork extends AbstractController{
| @Resource
| ProcessEngine processEngine;
| @Resource
| ManagementService managementService;
| @Resource
| ExecutionService executionService;
| @Resource
| RepositoryService repositoryService;
| @Resource
| HistoryService historyService;
| @Resource
| TaskService taskService;
| @Resource
| IdentityService identityService;
|
| @RequestMapping(params = "method=start")
| public ModelAndView start(
| @RequestParam("pid")String pid,
| HttpServletRequest request,
| HttpServletResponse arg1) throws Exception {
| Map<String,Object> vars =new HashMap<String,Object>();
| vars.put("owner", "john");
| executionService.startProcessInstanceById(pid, vars);
| return getMyTasks(request);
| }
|
| @RequestMapping(params = "method=dotask")
| public ModelAndView doTask(@RequestParam("tid")String tid
| ,HttpServletRequest request){
| taskService.completeTask(tid);
| return getMyTasks(request);
| }
|
|
| ModelAndView getMyTasks(HttpServletRequest request){
| ModelAndView mv= new ModelAndView("/mywork.jsp");
| User user = identityService.findUserById("john");
| List<Task> mytasks = taskService.findPersonalTasks(user.getId());
| request.setAttribute("mytasks", mytasks);
| return mv;
| }
| }
when the process run in task node named task5 ,that 's mean next is end node
my server throws flowwing stacks
| Hibernate:
| /* delete one-to-many org.jbpm.pvm.internal.model.ExecutionImpl.variables */
update
| JBPM4_VARIABLE
| set
| EXECUTION_=null,
| KEY_=null
| where
| EXECUTION_=?
| Hibernate:
| /* delete org.jbpm.pvm.internal.task.TaskImpl */ delete
| from
| JBPM4_TASK
| where
| DBID_=?
| and DBVERSION_=?
| Hibernate:
| /* delete org.jbpm.pvm.internal.type.variable.StringVariable */ delete
| from
| JBPM4_VARIABLE
| where
| DBID_=?
| and DBVERSION_=?
| Hibernate:
| /* delete org.jbpm.pvm.internal.model.ExecutionImpl */ delete
| from
| JBPM4_EXECUTION
| where
| DBID_=?
| and DBVERSION_=?
| [Line:100]: SQL Error: 1451, SQLState: 23000
-[org.hibernate.util.JDBCExceptionReporter.logExceptions(JDBCExceptionReporter.java:100)]-2009-07-26
14:57:20,468
| [Line:101]: Cannot delete or update a parent row: a foreign key constraint fails
(`jbpm`.`jbpm4_execution`, CONSTRAINT `FK_EXEC_INSTANCE` FOREIGN KEY (`INSTANCE_`)
REFERENCES `jbpm4_execution` (`DBID_`))
-[org.hibernate.util.JDBCExceptionReporter.logExceptions(JDBCExceptionReporter.java:101)]-2009-07-26
14:57:20,468
| [Line:324]: Could not synchronize database state with session
-[org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:324)]-2009-07-26
14:57:20,468
| org.hibernate.exception.ConstraintViolationException: could not delete:
[org.jbpm.pvm.internal.model.ExecutionImpl#1]
| at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:94)
| at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
| at
org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2569)
| at
org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2725)
| at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:97)
| 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:172)
| 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.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:365)
| at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137)
| at
org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:655)
| at
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:732)
| at
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:701)
| at
org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140)
| at
org.jbpm.pvm.internal.tx.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:79)
| at
org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:54)
| at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:55)
| at org.jbpm.pvm.internal.svc.TaskServiceImpl.completeTask(TaskServiceImpl.java:91)
| at org.jbpm.pvm.internal.svc.TaskServiceImpl.completeTask(TaskServiceImpl.java:87)
| at org.jackysoft.bpm.controller.ProcessWork.doTask(ProcessWork.java:58)
| 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
org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doInvokeMethod(HandlerMethodInvoker.java:421)
| at
org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:136)
| at
org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:326)
| at
org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:313)
| at
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875)
| at
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)
| at
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
| at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
| at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
| at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
| at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
| at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
| at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
| at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
| at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
| at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
| at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
| at java.lang.Thread.run(Unknown Source)
| Caused by: com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException:
Cannot delete or update a parent row: a foreign key constraint fails
(`jbpm`.`jbpm4_execution`, CONSTRAINT `FK_EXEC_INSTANCE` FOREIGN KEY (`INSTANCE_`)
REFERENCES `jbpm4_execution` (`DBID_`))
| at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:931)
| at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2870)
| at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)
| at
com.mysql.jdbc.ServerPreparedStatement.serverExecute(ServerPreparedStatement.java:1169)
| at
com.mysql.jdbc.ServerPreparedStatement.executeInternal(ServerPreparedStatement.java:693)
| at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1404)
| at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1318)
| at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1303)
| at
org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2551)
| ... 46 more
| 2009-7-26 14:57:20 org.apache.catalina.core.StandardWrapperValve invoke
| 严é: Servlet.service() for servlet springapp threw exception
| com.mysql.jdbc.exceptions.MySQLIntegrityConstraintViolationException: Cannot delete or
update a parent row: a foreign key constraint fails (`jbpm`.`jbpm4_execution`, CONSTRAINT
`FK_EXEC_INSTANCE` FOREIGN KEY (`INSTANCE_`) REFERENCES `jbpm4_execution` (`DBID_`))
| at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:931)
| at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2870)
| at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)
| at
com.mysql.jdbc.ServerPreparedStatement.serverExecute(ServerPreparedStatement.java:1169)
| at
com.mysql.jdbc.ServerPreparedStatement.executeInternal(ServerPreparedStatement.java:693)
| at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1404)
| at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1318)
| at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1303)
| at
org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2551)
| at
org.hibernate.persister.entity.AbstractEntityPersister.delete(AbstractEntityPersister.java:2725)
| at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:97)
| 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:172)
| 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.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:365)
| at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137)
| at
org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:655)
| at
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:732)
| at
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:701)
| at
org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:140)
| at
org.jbpm.pvm.internal.tx.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:79)
| at
org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:54)
| at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:55)
| at org.jbpm.pvm.internal.svc.TaskServiceImpl.completeTask(TaskServiceImpl.java:91)
| at org.jbpm.pvm.internal.svc.TaskServiceImpl.completeTask(TaskServiceImpl.java:87)
| at org.jackysoft.bpm.controller.ProcessWork.doTask(ProcessWork.java:58)
| 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
org.springframework.web.bind.annotation.support.HandlerMethodInvoker.doInvokeMethod(HandlerMethodInvoker.java:421)
| at
org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:136)
| at
org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:326)
| at
org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:313)
| at
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875)
| at
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)
| at
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
| at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
| at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
| at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
| at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
| at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
| at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
| at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
| at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
| at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
| at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
| at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
| at java.lang.Thread.run(Unknown Source)
i have test more than three process ,while process want to end node ,my server will give
me these stacks
[my env]
anonymous wrote :
| tc6 jdk1.6 mysql 5.1 spring2.5+hibernate3.3.1
|
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