解决死信队列的问题。
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dengqichen
parent
9312c3a2b3
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76ffdb89ad
@ -910,4 +910,130 @@ workflow_log（工作流日志表）
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提供了更丰富的元数据和状态信息
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支持更细粒度的日志记录
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可以存储自定义的业务数据
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这样的设计让我们可以在使用Flowable强大的工作流引擎的同时，也能满足特定的业务需求。
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这样的设计让我们可以在使用Flowable强大的工作流引擎的同时，也能满足特定的业务需求。
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{
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"name": "Simple Shell Workflow6",
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"key": "simple_shell_workflow",
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"description": "A simple workflow with shell task",
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"graphJson": {
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"cells": [
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{
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"id": "start",
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"shape": "start",
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"data": {
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"label": "开始"
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},
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"position": {
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"x": 100,
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"y": 100
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}
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},
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{
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"id": "shell",
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"shape": "serviceTask",
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"data": {
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"label": "Shell脚本",
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"serviceTask": {
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"type": "shell",
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"implementation": "${shellTaskDelegate}",
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"fields": {
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"script": "timeout 10000000",
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"workDir": "/tmp",
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"env": {
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"TEST_VAR": "test_value"
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}
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}
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}
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},
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"position": {
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"x": 300,
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"y": 100
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}
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},
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{
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"id": "shellErrorBoundary",
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"shape": "boundaryEvent",
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"data": {
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"label": "Shell错误",
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"boundaryEvent": {
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"type": "error",
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"attachedToRef": "shell",
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"errorRef": "SHELL_EXECUTION_ERROR"
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}
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},
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"position": {
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"x": 300,
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"y": 160
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}
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},
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{
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"id": "errorHandler",
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"shape": "serviceTask",
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"data": {
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"label": "错误处理",
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"serviceTask": {
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"type": "service",
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"implementation": "${errorHandlerDelegate}"
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}
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},
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"position": {
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"x": 300,
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"y": 220
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}
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},
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{
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"id": "end",
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"shape": "end",
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"data": {
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"label": "结束"
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},
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"position": {
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"x": 500,
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"y": 100
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}
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},
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{
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"id": "flow1",
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"shape": "edge",
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"source": "start",
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"target": "shell",
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"data": {
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"label": "流转到Shell"
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}
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},
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{
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"id": "flow2",
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"shape": "edge",
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"source": "shell",
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"target": "end",
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"data": {
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"label": "完成"
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}
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},
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{
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"id": "flow_error",
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"shape": "edge",
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"source": "shellErrorBoundary",
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"target": "errorHandler",
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"data": {
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"label": "错误处理"
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}
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},
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{
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"id": "flow_error_end",
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"shape": "edge",
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"source": "errorHandler",
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"target": "end",
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"data": {
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"label": "处理完成"
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}
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}
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]
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}
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}
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死信队列的问题：
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需要再异常里直接移除：
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runtimeService.deleteProcessInstance(processInstanceId, errorMessage);
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@ -70,7 +70,7 @@
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<artifactId>mysql-connector-j</artifactId>
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<scope>runtime</scope>
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</dependency>
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<!-- Hibernate Types -->
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<dependency>
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<groupId>com.vladmihalcea</groupId>
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@ -220,6 +220,11 @@
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<artifactId>flowable-bpmn-layout</artifactId>
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<version>${flowable.version}</version>
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</dependency>
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<!-- <dependency>-->
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<!-- <groupId>org.flowable</groupId>-->
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<!-- <artifactId>flowable-spring-boot-starter-rest</artifactId>-->
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<!-- <version>${flowable.version}</version>-->
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<!-- </dependency>-->
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</dependencies>
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<build>
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@ -16,5 +16,25 @@ public class FlowableConfig implements EngineConfigurationConfigurer<SpringProce
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engineConfiguration.setLabelFontName("宋体");
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engineConfiguration.setAnnotationFontName("宋体");
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engineConfiguration.setDatabaseSchemaUpdate("true");
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// 配置异步执行器
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engineConfiguration.setAsyncExecutorActivate(true);
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// 设置重试次数为0，禁用重试
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// engineConfiguration.setAsyncExecutorNumberOfRetries(0);
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// 设置失败等待时间为最小值
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// engineConfiguration.setAsyncFailedJobWaitTime(1);
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// // 配置异步执行器参数
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// engineConfiguration.setAsyncExecutorDefaultAsyncJobAcquireWaitTime(1000);
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// engineConfiguration.setAsyncExecutorDefaultTimerJobAcquireWaitTime(1000);
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// engineConfiguration.setAsyncExecutorDefaultQueueSizeFullWaitTime(1000);
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// engineConfiguration.setAsyncExecutorMaxAsyncJobsDuePerAcquisition(1);
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// engineConfiguration.setAsyncExecutorMaxTimerJobsPerAcquisition(1);
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//
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// // 禁用过期任务重置
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// engineConfiguration.setAsyncExecutorResetExpiredJobsInterval(0);
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//
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// // 禁用定义缓存
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// engineConfiguration.setEnableProcessDefinitionInfoCache(false);
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}
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}
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@ -5,6 +5,7 @@ import org.flowable.engine.delegate.DelegateExecution;
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import org.flowable.engine.delegate.JavaDelegate;
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import org.flowable.common.engine.api.delegate.Expression;
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import org.flowable.engine.RuntimeService;
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import org.flowable.engine.ManagementService;
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import org.springframework.stereotype.Component;
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import org.springframework.util.StringUtils;
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import jakarta.annotation.Resource;
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@ -29,6 +30,9 @@ public class ShellTaskDelegate implements JavaDelegate {
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@Resource
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private RuntimeService runtimeService;
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@Resource
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private ManagementService managementService;
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private Expression script;
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private Expression workDir;
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@ -60,7 +64,8 @@ public class ShellTaskDelegate implements JavaDelegate {
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}
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if (scriptValue == null) {
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throw new RuntimeException("Script is required but not provided");
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handleFailure(execution, "Script is required but not provided");
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return;
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}
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try {
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@ -173,7 +178,8 @@ public class ShellTaskDelegate implements JavaDelegate {
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if (exitCode != 0) {
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log.error("Shell script execution failed with exit code: {}", exitCode);
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log.error("Error output: {}", finalError);
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throw new RuntimeException("Shell script execution failed with exit code: " + exitCode);
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handleFailure(execution, "Shell script execution failed with exit code: " + exitCode);
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return;
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}
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log.info("Shell script executed successfully");
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@ -181,7 +187,17 @@ public class ShellTaskDelegate implements JavaDelegate {
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} catch (Exception e) {
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log.error("Shell script execution failed", e);
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throw new RuntimeException("Shell script execution failed: " + e.getMessage(), e);
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handleFailure(execution, "Shell script execution failed: " + e.getMessage());
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}
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}
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private void handleFailure(DelegateExecution execution, String errorMessage) {
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String processInstanceId = execution.getProcessInstanceId();
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try {
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// 直接终止流程实例
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runtimeService.deleteProcessInstance(processInstanceId, errorMessage);
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} catch (Exception e) {
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log.error("Error while handling shell task failure for process instance: {}", processInstanceId, e);
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}
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}
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}
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@ -104,6 +104,7 @@ public class WorkflowDefinitionServiceImpl extends BaseServiceImpl<WorkflowDefin
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.businessKey(businessKey)
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.variables(variables)
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.startAsync(); // 异步启动，会自动执行 shell 任务
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// .start();
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// 2. 返回实例信息
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WorkflowInstanceCreateDTO dto = new WorkflowInstanceCreateDTO();
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@ -30,8 +30,23 @@ spring:
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always-use-message-format: false
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use-code-as-default-message: true
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cache-duration: 3600
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flowable:
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database-schema-update: true
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# id-generator: org.flowable.common.engine.impl.db.DbIdGenerator
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#flowable:
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# async-executor:
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# default-async-job-acquire-wait-time: 60000
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# default-timer-job-acquire-wait-time: 60000
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# max-async-jobs-due-per-acquisition: 1
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# retry-wait-time-in-millis: 60000
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# number-of-retries: 1
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# # 自动清理死信任务
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# move-to-dead-letter-on-failure: true
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# # 死信任务的保留时间（毫秒）
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# dead-letter-timeout: 1000
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logging:
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level:
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springframework: DEBUG
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org.springframework.web: DEBUG
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org.springframework.context.i18n: DEBUG
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org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping: TRACE
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