Flowable-升级为7.0.0.M2-第三节

本文介绍了在启动项目时如何向Java虚拟机添加特定的开放权限参数,以解决可能的类库访问问题,最后提及了一本关于流程引擎的推荐书籍。

启动项目

添加虚拟机参数

java.base/java.lang=ALL-UNNAMED
--add-opens
java.base/java.math=ALL-UNNAMED
--add-opens
java.base/java.util.concurrent=ALL-UNNAMED
--add-opens
java.base/java.net=ALL-UNNAMED
--add-opens
java.base/java.text=ALL-UNNAMED

如图:
在这里插入图片描述

启动成功

在这里插入图片描述
给大家推荐一本比较牛叉的流程引擎书籍

在这里插入图片描述

<?xml version="1.0" encoding="UTF-8"?> <definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:flowable="http://flowable.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="ebusiness"> <process id="P20250928204358654ZZNJ1" name="发钱流程1个审批节点3" isExecutable="true"> <extensionElements> <flowable:eventListener class="com.zcy.ebusiness.flow.engine.listeners.FlowProcessEventListener"/> </extensionElements> <startEvent id="root" name="发起人[36348]"/> <userTask id="mg3nw0f6vgu6o" name="发钱审批人[86167]" flowable:assignee="${mg3nw0f6vgu6o_assignee_temp}"> <extensionElements> <flowable:taskListener event="create" class="com.zcy.ebusiness.flow.engine.listeners.ApprovalCreateListener"/> </extensionElements> <multiInstanceLoopCharacteristics isSequential="false" flowable:collection="${multiInstanceHandler.resolveAssignee(execution)}" flowable:elementVariable="mg3nw0f6vgu6o_assignee_temp"> <completionCondition>${multiInstanceHandler.completionCondition(execution)}</completionCondition> </multiInstanceLoopCharacteristics> </userTask> <serviceTask id="approve_service_task_mg3nw0f6vgu6o" name="发钱审批人[86167]_服务任务" flowable:class="com.zcy.ebusiness.flow.engine.service.ApproveServiceTask"/> <endEvent id="end" name="结束节点[25804]"> <terminateEventDefinition/> </endEvent> <sequenceFlow id="sq-id-0ca6c6f47b9847888fb8a30da797405c-4501143" name="连线[keBfw]" sourceRef="mg3nw0f6vgu6o" targetRef="approve_service_task_mg3nw0f6vgu6o"> <conditionExpression xsi:type="tFormalExpression"><![CDATA[${12==12}]]></conditionExpression> </sequenceFlow> <sequenceFlow id="sq-id-35059340de4b43c59773939a1cadfb5e-8768595" name="发起人[36348]->发钱审批人[86167]" sourceRef="root" targetRef="mg3nw0f6vgu6o"/> <sequenceFlow id="sq-id-5459b684c4bd45a4819a442bca366c23-9413053" name="发钱审批人[86167]->结束节点[25804]" sourceRef="approve_service_task_mg3nw0f6vgu6o" targetRef="end"/> <startEvent id="sid-897b0f47-b788-426f-820b-8c4e4a2f3c0f"/> <userTask id="sid-bdc53a55-6164-40b3-a02f-d119c91d5cb1"/> </process> <bpmndi:BPMNDiagram id="BPMNDiagram_P20250928204358654ZZNJ1"> <bpmndi:BPMNPlane bpmnElement="P20250928204358654ZZNJ1" id="BPMNPlane_P20250928204358654ZZNJ1"> <bpmndi:BPMNShape id="shape-95ff912a-bb5d-4bbe-b4d2-fae99747caa5" bpmnElement="sid-897b0f47-b788-426f-820b-8c4e4a2f3c0f"> <omgdc:Bounds x="-455.0" y="-235.00002" width="30.0" height="30.0"/> </bpmndi:BPMNShape> <bpmndi:BPMNShape id="shape-a236d354-3eec-4316-b349-cc8b86bbe27a" bpmnElement="sid-bdc53a55-6164-40b3-a02f-d119c91d5cb1"> <omgdc:Bounds x="-370.0" y="-260.0" width="100.0" height="80.0"/> </bpmndi:BPMNShape> </bpmndi:BPMNPlane> </bpmndi:BPMNDiagram> </definitions> flowable 版本是 7.0.0 ,springboot 版本 是 3.4.3 上面是 flowable xml 流程图 , 但是在进行 taskService.complete(taskParamDto.getTaskId(), taskParamDto.getParamMap()); 完成审批任务时报错 报错的地方是 execution 是null: protected void setLoopVariable(DelegateExecution execution, String variableName, Object value) { execution.setVariableLocal(variableName, value); } 错误日志: 2025-09-29 09:55:02.158 ERROR 12644 --- [ XNIO-1 task-2] c.z.e.c.s.h.GlobalBizExceptionHandler : 全局异常信息 ex=Cannot invoke "org.flowable.engine.delegate.DelegateExecution.setVariableLocal(String, Object)" because "execution" is null java.lang.NullPointerException: Cannot invoke "org.flowable.engine.delegate.DelegateExecution.setVariableLocal(String, Object)" because "execution" is null at org.flowable.engine.impl.bpmn.behavior.MultiInstanceActivityBehavior.setLoopVariable(MultiInstanceActivityBehavior.java:558) ~[flowable-engine-7.0.0.jar:7.0.0] at org.flowable.engine.impl.bpmn.behavior.ParallelMultiInstanceBehavior.leave(ParallelMultiInstanceBehavior.java:296) ~[flowable-engine-7.0.0.jar:7.0.0] at org.flowable.engine.impl.bpmn.behavior.ParallelMultiInstanceBehavior.internalLeave(ParallelMultiInstanceBehavior.java:233) ~[flowable-engine-7.0.0.jar:7.0.0] at org.flowable.engine.impl.bpmn.behavior.ParallelMultiInstanceBehavior.leave(ParallelMultiInstanceBehavior.java:174) ~[flowable-engine-7.0.0.jar:7.0.0] at org.flowable.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:60) ~[flowable-engine-7.0.0.jar:7.0.0] at org.flowable.engine.impl.bpmn.behavior.UserTaskActivityBehavior.trigger(UserTaskActivityBehavior.java:326) ~[flowable-engine-7.0.0.jar:7.0.0] at org.flowable.engine.impl.bpmn.behavior.MultiInstanceActivityBehavior.trigger(MultiInstanceActivityBehavior.java:325) ~[flowable-engine-7.0.0.jar:7.0.0] at org.flowable.engine.impl.agenda.TriggerExecutionOperation.run(TriggerExecutionOperation.java:59) ~[flowable-engine-7.0.0.jar:7.0.0] at org.flowable.common.engine.impl.AbstractEngineConfiguration.lambda$new$0(AbstractEngineConfiguration.java:170) ~[classes/:7.0.0] at org.flowable.engine.impl.interceptor.CommandInvoker.executeOperation(CommandInvoker.java:130) ~[flowable-engine-7.0.0.jar:7.0.0] at org.flowable.engine.impl.interceptor.CommandInvoker.executeOperations(CommandInvoker.java:114) ~[flowable-engine-7.0.0.jar:7.0.0] at org.flowable.engine.impl.interceptor.CommandInvoker.execute(CommandInvoker.java:72) ~[flowable-engine-7.0.0.jar:7.0.0]
最新发布
10-01
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