[batch] Fix 500 when job log doesn't exist (#10300)
[batch] Fix 500 when job log doesn't exist (#10300)


hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail