退火调度优化

rw-aps-server/src/main/java/com/rongwei/rwapsserver/aps/taskassigning/service/impl/DdApsTaServiceImpl.java

@@ -1216,7 +1216,11 @@ public class DdApsTaServiceImpl implements DdApsTaService {
                                         }
                                     }
                                     if(newList){
-                                        minpreendTime = processes1.getPreviousProcesses().get(0).getEndTime();
+                                        if(processes1.getPreviousProcesses() == null){
+                                            int aa = 0;
+                                        }else{
+                                            minpreendTime = processes1.getPreviousProcesses().get(0).getEndTime();
+                                        }
                                         List<ProductionProcessesTa> thps = new ArrayList<>();
                                         thps.add(processes1);
                                         chunks.add(thps);