Solve transaction problems under multi-threading (#10917)

dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/process/ProcessServiceImpl.java

@@ -321,18 +321,11 @@ public class ProcessServiceImpl implements ProcessService {
         //serial wait
         //when we get the running instance(or waiting instance) only get the priority instance(by id)
         if (processDefinition.getExecutionType().typeIsSerialWait()) {
-            while (true) {
             List<ProcessInstance> runningProcessInstances = this.processInstanceMapper.queryByProcessDefineCodeAndProcessDefinitionVersionAndStatusAndNextId(processInstance.getProcessDefinitionCode(),
                     processInstance.getProcessDefinitionVersion(), Constants.RUNNING_PROCESS_STATE, processInstance.getId());
             if (CollectionUtils.isEmpty(runningProcessInstances)) {
                 processInstance.setState(ExecutionStatus.SUBMITTED_SUCCESS);
                 saveProcessInstance(processInstance);
-                    return;
-                }
-                ProcessInstance runningProcess = runningProcessInstances.get(0);
-                if (this.processInstanceMapper.updateNextProcessIdById(processInstance.getId(), runningProcess.getId())) {
-                    return;
-                }
             }
         } else if (processDefinition.getExecutionType().typeIsSerialDiscard()) {
             List<ProcessInstance> runningProcessInstances = this.processInstanceMapper.queryByProcessDefineCodeAndProcessDefinitionVersionAndStatusAndNextId(processInstance.getProcessDefinitionCode(),