I run IBM JSR 352 java batch application on Websphere Liberty Profile server. The application used to write job logs, e.g. C:\web servers\liberty_profile\wlp-javaee7-17.0.0.1\wlp\usr\servers\javnat-batch-server\logs\joblogs\Job1000\2018-05-24\instance.19401\execution.19401\part.1.log
part.1.log contains job execution information and exception stack trace.
However, currently, every time any batch job runs, the part.1.log is created but with the size 0. The file is just empty. I didn't change any configure. Could you guys shed some lights what the problem may be in this case? Thanks in advance.