UBE goes into defunct state on Linux

Hello

We are running JD 9.2, T.R 9.2.2.4.

Batch server is running on OCI, with Linux OS.

As a part of regular monitoring when we issue jdejobs command we see few defunct processes related to some of the UBEs. When we try to find the details of the defunct process they just disappear. There are no errors reported in WSJ.

Is this normal UBE Execution process. Can some one please share a document which has some details .

[jde920@ac1jdbt100 ini]$ jdejobs | grep defunct

30267 ?        00:00:01 runbatch <defunct>

[jde920@ac1jdbt100 ini]$ ps -eaf | grep 30267

jde920   32018 30409  0 10:39 pts/7    00:00:00 grep --color=auto 30267

[jde920@ac1jdbt100 ini]$ jdejobs | grep defunct