帮忙看一下这个报错是什么原[阿里云DataWorks]

“https://workbench2-cn-zhangjiakou.data.aliyun.com/?env=prod#/intelDiagnosis 帮忙看一下这个报错是什么原因？ 2023-04-04 03:18:52 INFO Current task status:RUNNING 2023-04-04 03:18:52 INFO Start execute shell on node cn-zhangjiakou.473116936508002.1625034382421001. 2023-04-04 03:19:12 INFO [600:NON_TRANSIENT]:download code failed! 2023-04-04 03:19:12 ERROR Action End with 4 2023-04-04 03:19:12 Exception info: com.alibaba.alisa.node.error.ExecuterException: [600:NON_TRANSIENT]:download code failed! at com.alibaba.alisa.node.executor.component.DownloadFileFromTsp.downloadFileByUrl(DownloadFileFromTsp.java:111) at com.alibaba.alisa.node.executor.component.DownloadFileFromTsp.prepare(DownloadFileFromTsp.java:61) at com.alibaba.alisa.node.executer.runner.BasicRunner.execute(BasicRunner.java:20) at com.alibaba.alisa.node.executer.TaskExecutor.dotask(TaskExecutor.java:79) at com.alibaba.alisa.node.executer.TaskExecutor.run(TaskExecutor.java:119) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:853) Caused by: java.lang.Exception: download file Exception:download file exception：failed to download with signature,Exception message：ApplicationException: 404- at com.alibaba.alisa.common.fileagent.FileAgent.downloadWithRetry(FileAgent.java:157) at com.alibaba.alisa.common.fileagent.FileAgent.getMainPath(FileAgent.java:90) at com.alibaba.alisa.common.fileagent.crawl.CodeCrawler.getCodeByURL(CodeCrawler.java:134) at com.alibaba.alisa.node.executor.component.DownloadFileFromTsp.downloadFileByUrl(DownloadFileFromTsp.java:108) … 7 more Caused by: com.alibaba.alisa.common.fileagent.exception.DownloadException: download file exception：failed to download with signature,Exception message：ApplicationException: 404- at com.alibaba.alisa.common.fileagent.FileAgent.downloadFile(FileAgent.java:380) at com.alibaba.alisa.common.fileagent.FileAgent.downloadWithRetry(FileAgent.java:138) … 10 more

/home/admin/alisatasknode/taskinfo//20230403/phoenix/03/01/00/kej7x8undtxn9z0aqbzi2wq4/T3_1136120132.log-END-EOF”