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Please review https://dolphinscheduler.apache.org/en-us/docs/development/issue.html when describe an issue.

Describe the bug
[ERROR] 2020-09-02 15:37:27.040 org.apache.dolphinscheduler.common.utils.HttpUtils:[70] - http get:404 response status code is not 200!
[ERROR] 2020-09-02 15:37:27.043 - [taskAppId=TASK-5-185-263]:[388] - yarn applications: [application_1598594304061_22447] status failed
java.lang.NullPointerException: null
at org.apache.dolphinscheduler.common.utils.HadoopUtils.getApplicationStatus(HadoopUtils.java:415)
at org.apache.dolphinscheduler.server.worker.task.AbstractCommandExecutor.isSuccessOfYarnState(AbstractCommandExecutor.java:374)
at org.apache.dolphinscheduler.server.worker.task.AbstractCommandExecutor.run(AbstractCommandExecutor.java:218)
at org.apache.dolphinscheduler.server.worker.task.AbstractYarnTask.handle(AbstractYarnTask.java:57)
at org.apache.dolphinscheduler.server.worker.runner.TaskExecuteThread.run(TaskExecuteThread.java:129)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Which version of Dolphin Scheduler:
-[1.3.2]