执行taskService.complete(taskId, variables?报错

出现的详细错误如下：

###Cause:org.apache.ibatis.reflection.ReflectionException:Couldnotsetproperty'byteArrayRef'of'VariableInstanceEntity[id=307,name=objId,type=string]'withvalue'ByteArrayRef[id=null,name=null,entity=null]'Cause:org.apache.ibatis.reflection.ReflectionException:Thereisnosetterforpropertynamed'byteArrayRef'in'classorg.activiti.engine.impl.persistence.entity.VariableInstanceEntity'
 atorg.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:8)
 atorg.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:61)
 atorg.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:53)
 atorg.activiti.engine.impl.db.DbSqlSession.selectListWithRawParameter(DbSqlSession.java:284)
 atorg.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:275)
 atorg.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:270)
 atorg.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:251)
 atorg.activiti.engine.impl.persistence.entity.VariableInstanceEntityManager.findVariableInstancesByExecutionId(VariableInstanceEntityManager.java:34)
 atorg.activiti.engine.impl.persistence.entity.ExecutionEntity.loadVariableInstances(ExecutionEntity.java:997)
 atorg.activiti.engine.impl.persistence.entity.VariableScopeImpl.ensureVariableInstancesInitialized(VariableScopeImpl.java:60)
 atorg.activiti.engine.impl.persistence.entity.VariableScopeImpl.hasVariableLocal(VariableScopeImpl.java:134)
 atorg.activiti.engine.impl.persistence.entity.VariableScopeImpl.setVariable(VariableScopeImpl.java:243)
 atorg.activiti.engine.impl.persistence.entity.VariableScopeImpl.setVariable(VariableScopeImpl.java:239)
 atorg.activiti.engine.impl.persistence.entity.VariableScopeImpl.setVariables(VariableScopeImpl.java:179)
 atorg.activiti.engine.impl.persistence.entity.TaskEntity.setExecutionVariables(TaskEntity.java:378)
 atorg.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:36)
 atorg.activiti.engine.impl.cmd.CompleteTaskCmd.execute(CompleteTaskCmd.java:24)
 atorg.activiti.engine.impl.cmd.NeedsActiveTaskCmd.execute(NeedsActiveTaskCmd.java:61)
 atorg.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
 atorg.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61)
 atorg.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)
 atorg.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:131)
 atorg.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)
 atorg.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)
 atorg.activiti.engine.impl.TaskServiceImpl.complete(TaskServiceImpl.java:167)
 atbizfuse.restful.svc.WorkflowService.completeMyPersonalTask(WorkflowService.java:139)
 atcn.lds.web.TestWorkFlowService.testCompleteMyPersonalTask(TestWorkFlowService.java:136)
 atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)
 atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 atjava.lang.reflect.Method.invoke(Method.java:597)
 atorg.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)
 atorg.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
 atorg.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
 atorg.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745)
 atorg.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686)
 atorg.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
 atorg.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)
 atorg.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)
 atorg.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953)
 ...100more
Causedby:org.apache.ibatis.reflection.ReflectionException:Couldnotsetproperty'byteArrayRef'of'VariableInstanceEntity[id=307,name=objId,type=string]'withvalue'ByteArrayRef[id=null,name=null,entity=null]'Cause:org.apache.ibatis.reflection.ReflectionException:Thereisnosetterforpropertynamed'byteArrayRef'in'classorg.activiti.engine.impl.persistence.entity.VariableInstanceEntity'
 atorg.apache.ibatis.reflection.wrapper.BeanWrapper.setBeanProperty(BeanWrapper.java:154)
 atorg.apache.ibatis.reflection.wrapper.BeanWrapper.set(BeanWrapper.java:36)
 atorg.apache.ibatis.reflection.MetaObject.setValue(MetaObject.java:120)
 atorg.apache.ibatis.executor.resultset.FastResultSetHandler.applyPropertyMappings(FastResultSetHandler.java:228)
 atorg.apache.ibatis.executor.resultset.FastResultSetHandler.getRowValue(FastResultSetHandler.java:200)
 atorg.apache.ibatis.executor.resultset.FastResultSetHandler.handleRowValues(FastResultSetHandler.java:149)
 atorg.apache.ibatis.executor.resultset.FastResultSetHandler.handleResultSet(FastResultSetHandler.java:125)
 atorg.apache.ibatis.executor.resultset.FastResultSetHandler.handleResultSets(FastResultSetHandler.java:102)
 atorg.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:40)
 atorg.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:55)
 atorg.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:41)
 atorg.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:94)
 atorg.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:72)
 atorg.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:59)
 ...138more
Causedby:org.apache.ibatis.reflection.ReflectionException:Thereisnosetterforpropertynamed'byteArrayRef'in'classorg.activiti.engine.impl.persistence.entity.VariableInstanceEntity'
 atorg.apache.ibatis.reflection.Reflector.getSetInvoker(Reflector.java:300)
 atorg.apache.ibatis.reflection.MetaClass.getSetInvoker(MetaClass.java:97)
 atorg.apache.ibatis.reflection.wrapper.BeanWrapper.setBeanProperty(BeanWrapper.java:146)
 ...151more

 

http://forums.activiti.org/content/error-occured-when-completing-tasks 看看这个是不是jar冲突了 报错的地方是 ibatis，和activiti没关系