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Question

Max Lich

Asked:2020-11-15 22:25:10 +0000 UTC2020-11-15 22:25:10 +0000 UTC 2020-11-15 22:25:10 +0000 UTC

如果服务任务或脚本任务在 bpm 方案中的计时器之后出现，则会出现错误（Alfresco 的 Activiti 6）

772

关于Alfresco的Activiti的问题 6.如果我在scheme中的timer(or)后面加了一个block ，就会出现intermediate timer catching event错误，进程就不会继续下去了。如果有一个 block ，那么就会出现这个错误：boundary timer eventservice taskscript taskservice task

无法实例化 <full_class_name>

其中 <full_class_name> 是service task为class.

如果script task是这样的：

找不到“groovy”的脚本引擎

同时，还有一个用于service taskin的类，也连接classpath了引擎的库。groovy最有趣的是，这些错误并不总是出现，在 5-10 个案例中，有 1 个可以正常工作。没找到图案。

PS 我尝试service task在我的工作项目（使用RESTand Spring Web Mvc）和一个用Swing. 错误发生在这里和那里。

为了详细描述，尝试了以下方法来解决这个问题：

在测试应用程序中：
- src/main/java一个类被放置在目录中（此外，它被写WEB-INF.classes.<пакеты_класса>.<короткое_имя_класса>在类本身的文件中） - 它没有帮助package<пакеты_класса>
- src/main/java目录WEB-INF/classes/<пакеты_класса>中放置了一个包含已编译类的目录（此外， package<class_packages> 也写在类本身的文件中） - 没有帮助
在工作项目中，src/main/java将一个类添加到目录中（此外，<class_packages> 写<пакеты_класса>. <короткое_имя_класса>在类本身的文件中） - 它没有帮助package

同时，在最终归档与应用程序（jar或war类在目录中WEB-INF/classes/<пакеты_класса>）。同时，在工作项目中，在依赖项中（因此，在目录WEB-INF/lib或lib服务器目录中Tomcat），有一个带有此类的 jar 位于正确的包中，这也没有帮助。

PS我的测试过程定义示例：

<?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:activiti="http://activiti.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="http://www.activiti.org/processdef">
  <process id="MaxShulTest_v20" name="MaxShulTest" isExecutable="true">
    <documentation>test process</documentation>
    <startEvent id="startEvent1"></startEvent>
    <userTask id="Task1" name="Task1"></userTask>
    <userTask id="Task4" name="Task4"></userTask>
    <userTask id="Task2" name="Task2"></userTask>
    <sequenceFlow id="sid-FEBA8018-5838-4AF2-8AE5-DED45EF36229" sourceRef="Task1" targetRef="Task2"></sequenceFlow>
    <sequenceFlow id="sid-A71A6EB8-293E-4EA7-A876-670C8E4ABF7C" sourceRef="Task2" targetRef="ExclusiveGateway1"></sequenceFlow>
    <sequenceFlow id="sid-1691D37B-9B00-452F-B031-124B3845912B" sourceRef="Task4" targetRef="ExclusiveGateway1"></sequenceFlow>
    <endEvent id="endEvent1"></endEvent>
    <sequenceFlow id="sid-EAC37DEB-9666-407E-8EE0-27C11CEC4302" sourceRef="ExclusiveGateway1" targetRef="endEvent1"></sequenceFlow>
    <exclusiveGateway id="ExclusiveGateway1"></exclusiveGateway>
    <boundaryEvent id="boundary_timer1" attachedToRef="Task1" cancelActivity="true">
      <timerEventDefinition>
        <timeDuration>PT1M</timeDuration>
      </timerEventDefinition>
    </boundaryEvent>
    <sequenceFlow id="sid-88CC1D13-0907-44CC-ACAE-6E2FC01C8A3F" sourceRef="startEvent1" targetRef="service_task_1"></sequenceFlow>
    <serviceTask id="service_task_1" name="service_task_1" activiti:class="ru.maxlich.app.test.activiti.model.service.LogDelegateService"></serviceTask>
    <sequenceFlow id="sid-B9705ABC-78B3-460A-80ED-613EE3147491" sourceRef="service_task_2" targetRef="Task1"></sequenceFlow>
    <intermediateCatchEvent id="timer_1" name="timer_1">
      <timerEventDefinition>
        <timeDuration>PT3M</timeDuration>
      </timerEventDefinition>
    </intermediateCatchEvent>
    <sequenceFlow id="sid-49554231-BC08-4237-8B48-6D5484289319" sourceRef="service_task_1" targetRef="timer_1"></sequenceFlow>
    <sequenceFlow id="sid-7C4E0E46-E680-45F2-847F-8C37FFB16C53" sourceRef="timer_1" targetRef="service_task_2"></sequenceFlow>
    <serviceTask id="service_task_2" name="service_task_2" activiti:class="ru.maxlich.app.test.activiti.model.service.LogDelegateService"></serviceTask>
    <sequenceFlow id="sid-727BA009-3FE2-48DE-B41E-693FCE3D2F53" sourceRef="boundary_timer1" targetRef="service_task_3"></sequenceFlow>
    <serviceTask id="service_task_3" name="service_task_3" activiti:class="ru.maxlich.app.test.activiti.model.service.LogDelegateService"></serviceTask>
    <sequenceFlow id="sid-7F9D801A-5C8F-4623-987E-2E3FC936126E" sourceRef="service_task_3" targetRef="Task4"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_MaxShulTest_v20">
    <bpmndi:BPMNPlane bpmnElement="MaxShulTest_v20" id="BPMNPlane_MaxShulTest_v20">
      <bpmndi:BPMNShape bpmnElement="startEvent1" id="BPMNShape_startEvent1">
        <omgdc:Bounds height="30.0" width="30.0" x="30.0" y="185.943858356366"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="Task1" id="BPMNShape_Task1">
        <omgdc:Bounds height="80.0" width="100.0" x="559.25" y="134.5"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="Task4" id="BPMNShape_Task4">
        <omgdc:Bounds height="80.0" width="100.0" x="855.0" y="286.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="Task2" id="BPMNShape_Task2">
        <omgdc:Bounds height="80.0" width="100.0" x="783.25" y="135.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="endEvent1" id="BPMNShape_endEvent1">
        <omgdc:Bounds height="28.0" width="28.0" x="1122.25" y="189.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="ExclusiveGateway1" id="BPMNShape_ExclusiveGateway1">
        <omgdc:Bounds height="40.0" width="40.0" x="1019.5" y="183.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="boundary_timer1" id="BPMNShape_boundary_timer1">
        <omgdc:Bounds height="31.0" width="31.0" x="608.0803504247281" y="199.943858356366"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="service_task_1" id="BPMNShape_service_task_1">
        <omgdc:Bounds height="71.0" width="110.0" x="135.0" y="138.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="timer_1" id="BPMNShape_timer_1">
        <omgdc:Bounds height="31.0" width="31.0" x="303.13336181640625" y="158.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="service_task_2" id="BPMNShape_service_task_2">
        <omgdc:Bounds height="82.0" width="107.0" x="390.0" y="133.5"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="service_task_3" id="BPMNShape_service_task_3">
        <omgdc:Bounds height="82.0" width="107.0" x="630.0" y="285.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="sid-727BA009-3FE2-48DE-B41E-693FCE3D2F53" id="BPMNEdge_sid-727BA009-3FE2-48DE-B41E-693FCE3D2F53">
        <omgdi:waypoint x="630.9660814288677" y="229.07107294829532"></omgdi:waypoint>
        <omgdi:waypoint x="661.2786598187816" y="285.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-FEBA8018-5838-4AF2-8AE5-DED45EF36229" id="BPMNEdge_sid-FEBA8018-5838-4AF2-8AE5-DED45EF36229">
        <omgdi:waypoint x="659.25" y="174.61160714285714"></omgdi:waypoint>
        <omgdi:waypoint x="783.25" y="174.88839285714286"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-B9705ABC-78B3-460A-80ED-613EE3147491" id="BPMNEdge_sid-B9705ABC-78B3-460A-80ED-613EE3147491">
        <omgdi:waypoint x="497.0" y="174.5"></omgdi:waypoint>
        <omgdi:waypoint x="559.25" y="174.5"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-EAC37DEB-9666-407E-8EE0-27C11CEC4302" id="BPMNEdge_sid-EAC37DEB-9666-407E-8EE0-27C11CEC4302">
        <omgdi:waypoint x="1059.5" y="203.0"></omgdi:waypoint>
        <omgdi:waypoint x="1122.25" y="203.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-A71A6EB8-293E-4EA7-A876-670C8E4ABF7C" id="BPMNEdge_sid-A71A6EB8-293E-4EA7-A876-670C8E4ABF7C">
        <omgdi:waypoint x="883.25" y="181.7795571220596"></omgdi:waypoint>
        <omgdi:waypoint x="1021.9182556711604" y="200.5817443288396"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-88CC1D13-0907-44CC-ACAE-6E2FC01C8A3F" id="BPMNEdge_sid-88CC1D13-0907-44CC-ACAE-6E2FC01C8A3F">
        <omgdi:waypoint x="59.73834151603846" y="198.15436210137352"></omgdi:waypoint>
        <omgdi:waypoint x="135.0" y="183.90973937655264"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-49554231-BC08-4237-8B48-6D5484289319" id="BPMNEdge_sid-49554231-BC08-4237-8B48-6D5484289319">
        <omgdi:waypoint x="245.0" y="173.71295813578445"></omgdi:waypoint>
        <omgdi:waypoint x="303.13348175202987" y="173.93804900670392"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-7C4E0E46-E680-45F2-847F-8C37FFB16C53" id="BPMNEdge_sid-7C4E0E46-E680-45F2-847F-8C37FFB16C53">
        <omgdi:waypoint x="335.13323251092316" y="174.0643254128607"></omgdi:waypoint>
        <omgdi:waypoint x="390.0" y="174.28491016247852"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-7F9D801A-5C8F-4623-987E-2E3FC936126E" id="BPMNEdge_sid-7F9D801A-5C8F-4623-987E-2E3FC936126E">
        <omgdi:waypoint x="737.0" y="326.0"></omgdi:waypoint>
        <omgdi:waypoint x="855.0" y="326.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-1691D37B-9B00-452F-B031-124B3845912B" id="BPMNEdge_sid-1691D37B-9B00-452F-B031-124B3845912B">
        <omgdi:waypoint x="948.8221673355974" y="286.0"></omgdi:waypoint>
        <omgdi:waypoint x="1029.1648250460405" y="212.6648250460405"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

1 个回答

Voted

Max Lich · Answer 1 · 2020-11-19T18:12:11Z

Best Answer

Max Lich

2020-11-19T18:12:11Z2020-11-19T18:12:11Z

找到了错误的原因。与此同时，Activiti Modeler 也推出了，它使用了相同的基础。我停止了这个应用程序，一切都开始工作而没有错误。

0

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