hi we are getting this warn message when we ran our spark job, it can still run and write in hdfs but the warn message always seen, its something like about the connections:  20/05/29 13:27:51 WARN server.TransportChannelHandler: Exception in connection from /119.81.194.226:46600 java.util.concurrent.RejectedExecutionException: event executor terminated     We are running it at 6.3.2 CDH, may I know how to resolve this or what is the issue itself?     ... View more

my Spark history server showing no completed applications found but when i check my /user/spark/applicationHistory, there are files there of the applications that are completed and inprogress :   [root@master01 ~]# hdfs dfs -ls /user/spark/applicationHistory Found 853 items -rwxrwx--- 3 x supergroup 54080 2020-05-14 14:01 /user/spark/applicationHistory/application_1589423756955_0001 -rwxrwx--- 3 x supergroup 88870 2020-05-14 14:22 /user/spark/applicationHistory/application_1589436102099_0001 -rwxrwx--- 3 x supergroup 87948 2020-05-14 14:32 /user/spark/applicationHistory/application_1589436102099_0002 -rwxrwx--- 3 x supergroup 95460 2020-05-14 18:05 /user/spark/applicationHistory/application_1589443387207_0001 -rwxrwx--- 3 x supergroup 92839 2020-05-14 18:24 /user/spark/applicationHistory/application_1589443387207_0002 -rwxrwx--- 3 x supergroup 159586 2020-05-15 17:16 /user/spark/applicationHistory/application_1589508854117_0043 -rwxrwx--- 3 x 218044 2020-05-15 21:10 /user/spark/applicationHistory/application_1589508854117_0051 -rw-r--r-- 3 x supergroup 0 2020-05-18 11:32 /user/spark/applicationHistory/application_1589508854117_0055.inprogress   but when I check my spark history server you will see these : ... View more