Jobmanager重启，cannot set up a jobmanager

[绘梦飘雪]

jobmanager重启时会org.apache.flink.runtime.client.jobexecutionexception could not 
set up jobmanager
cannot set up the user code libraries file does not exist 
/flink/recovery/appid/blob/job***
到hdfs上看，果然对应文件不存在，请问这个是什么原因造成的