coding

xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobLogController.java

 		if (log == null) {
 			return new ReturnT<String>(500, "参数异常");
 		}
-		if (!ResponseModel.SUCCESS.equals(log.getTriggerStatus())) {
+		if (!(ResponseModel.SUCCESS.equals(log.getTriggerStatus()) || StringUtils.isNotBlank(log.getHandleStatus()))) {
 			return new ReturnT<String>(500, "调度失败，无法查看执行日志");
 		}
 		

xxl-job-admin/src/main/resources/config.properties

 mail.username=ovono802302@163.com
 mail.password=asdfzxcv
 mail.sendFrom=ovono802302@163.com
-mail.sendNick=《调度平台平台XXL-JOB》
+mail.sendNick=《调度调度平台XXL-JOB》
 
 # for login
 login.username=admin

xxl-job-admin/src/main/webapp/static/js/joblog.index.1.js

 	                	"render": function ( data, type, row ) {
 	                		// better support expression or string, not function
 	                		return function () {
-		                		if (row.triggerStatus == 'SUCCESS'){
+		                		if (row.triggerStatus == 'SUCCESS' || row.handleStatus){
 		                			var temp = '<a href="javascript:;" class="logDetail" _id="'+ row.id +'">执行日志</a>';
 		                			if(!row.handleStatus){
 		                				temp += '<br><a href="javascript:;" class="logKill" _id="'+ row.id +'">终止任务</a>';

xxl-job-core/src/main/java/com/xxl/job/core/router/HandlerRouter.java

      */
 	private static ConcurrentHashMap<String, JobThread> JobThreadRepository = new ConcurrentHashMap<String, JobThread>();
 	public static JobThread registJobThread(String jobkey, IJobHandler handler){
-		JobThread handlerThread = new JobThread(handler);
-		handlerThread.start();
-		logger.info(">>>>>>>>>>> xxl-job regist handler success, jobkey:{}, handler:{}", new Object[]{jobkey, handler});
-		return HandlerRouter.JobThreadRepository.put(jobkey, handlerThread);	// putIfAbsent
+		JobThread jobThread = new JobThread(handler);
+		jobThread.start();
+		logger.info(">>>>>>>>>>> xxl-job regist JobThread success, jobkey:{}, handler:{}", new Object[]{jobkey, handler});
+		return HandlerRouter.JobThreadRepository.put(jobkey, jobThread);	// putIfAbsent
 	}
 	public static JobThread loadJobThread(String jobKey){
 		return HandlerRouter.JobThreadRepository.get(jobKey);

xxl-job-core/src/main/java/com/xxl/job/core/router/action/RunAction.java

 
             // handler instance
             IJobHandler jobHandler = HandlerRouter.loadJobHandler(requestModel.getExecutorHandler());
+            if (jobHandler==null) {
+                return new ResponseModel(ResponseModel.FAIL, "job handler for jobKey=[" + jobKey + "] not found.");
+            }
 
             if (jobThread == null) {
-                // jobhandler match
-                if (jobHandler==null) {
-                    return new ResponseModel(ResponseModel.FAIL, "job handler for jobKey=[" + jobKey + "] not found.");
-                }
                 jobThread = HandlerRouter.registJobThread(jobKey, jobHandler);
             } else {
-
                 // job handler update, kill old job thread
                 if (jobThread.getHandler() != jobHandler) {
-
                     // kill old job thread
-                    jobThread.toStop("人工手动终止");
+                    jobThread.toStop("更换任务模式或JobHandler,终止旧任务线程");
                     jobThread.interrupt();
 
                     // new thread, with new job handler
             }
         } else {
             // glue model
-
             if (jobThread == null) {
                 jobThread = HandlerRouter.registJobThread(jobKey, new GlueJobHandler(requestModel.getJobGroup(), requestModel.getJobName()));
+            } else {
+                // job handler update, kill old job thread
+                if (!(jobThread.getHandler() instanceof GlueJobHandler)) {
+                    // kill old job thread
+                    jobThread.toStop("更换任务模式或JobHandler,终止旧任务线程");
+                    jobThread.interrupt();
+
+                    // new thread, with new job handler
+                    jobThread = HandlerRouter.registJobThread(jobKey, new GlueJobHandler(requestModel.getJobGroup(), requestModel.getJobName()));
+                }
             }
         }
 
         // sometime, cmap.get can not return given value, i do not know why
-        jobThread = HandlerRouter.loadJobThread(jobKey);
+        if (jobThread == null) {
+            jobThread = HandlerRouter.loadJobThread(jobKey);
+        }
 
         // push data to queue
         jobThread.pushTriggerQueue(requestModel);

xxl-job-core/src/main/java/com/xxl/job/core/router/thread/JobThread.java

 import com.xxl.job.core.handler.IJobHandler.JobHandleStatus;
 import com.xxl.job.core.log.XxlJobFileAppender;
 import com.xxl.job.core.router.model.RequestModel;
-import com.xxl.job.core.util.XxlJobNetCommUtil;
 import org.eclipse.jetty.util.ConcurrentHashSet;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 						e.printStackTrace(new PrintWriter(out));
 						_msg = out.toString();
 					}
-					logger.info("----------- xxl-job job handle end ----------- <br>: ExecutorParams:{}, Status:{}, Msg:{}",
+					logger.info("----------- xxl-job job handle end ----------- <br> Look : ExecutorParams:{}, Status:{}, Msg:{}",
 							new Object[]{handlerParams, _status, _msg});
 					
 					// callback handler info
 					} else {
 						// is killed
 						triggerDate.setStatus(JobHandleStatus.FAIL.name());
-						triggerDate.setMsg(stopReason + "人工手动终止[业务运行中，被强制终止]");
+						triggerDate.setMsg(stopReason + " [业务运行中，被强制终止]");
 						TriggerCallbackThread.pushCallBack(triggerDate);
 					}
 				}
 			RequestModel triggerDate = triggerQueue.poll();
 			if (triggerDate!=null) {
 				// is killed
-				RequestModel callback = new RequestModel();
-				callback.setLogAddress(XxlJobNetCommUtil.addressToUrl(triggerDate.getLogAddress()));
-				callback.setLogId(triggerDate.getLogId());
-				callback.setStatus(JobHandleStatus.FAIL.name());
-				callback.setMsg(stopReason + "[任务尚未执行，在调度队列中被终止]");
-				TriggerCallbackThread.pushCallBack(callback);
+				triggerDate.setStatus(JobHandleStatus.FAIL.name());
+				triggerDate.setMsg(stopReason + " [任务尚未执行，在调度队列中被终止]");
+				TriggerCallbackThread.pushCallBack(triggerDate);
 			}
 		}
 		

xxl-job-core/src/main/java/com/xxl/job/core/router/thread/TriggerCallbackThread.java

     }
     public static void pushCallBack(RequestModel callback){
         callBackQueue.add(callback);
+        logger.debug(">>>>>>>>>>> xxl-job, push callback request, logId:{}", callback.getLogId());
     }
 
 }