fix the message (#1060)

* move updateTaskState into try/catch block in case of exception

* fix NPE

* using conf.getInt instead of getString

* for AbstractZKClient, remove the log, for it will print the same log message in createZNodePath.
for AlertDao, correct the spelling.

* duplicate

* refactor getTaskWorkerGroupId

* add friendly log

* update hearbeat thread num = 1

* fix the bug when worker execute task using queue. and remove checking Tenant user anymore in TaskScheduleThread

* 1. move verifyTaskInstanceIsNull after taskInstance
2. keep verifyTenantIsNull/verifyTaskInstanceIsNull clean and readable

* fix the message

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/AccessTokenService.java

@@ -146,8 +146,7 @@ public class AccessTokenService extends BaseService {
     public Map<String, Object> delAccessTokenById(User loginUser, int id) {
         Map<String, Object> result = new HashMap<>(5);
         //only admin can operate
-        if (!isAdmin(loginUser)) {
+        if (checkAdmin(loginUser, result)) {
-            putMsg(result, Status.USER_NOT_EXIST, id);
             return result;
         }