When the vapp_central log rotates it appends the datestamp to the end of the file name, however this culminates in a long file name for example:
As the file rotates it also leaves a lot of empty (zero byte) files in its wake and all the data resides in the last file with the long name.
CA Identity Management Suite vApp 14.1 and 14.2
A issue has been seen in CA Identity Manager Suite 14.2 Virtual Applications (vApp) environments upgraded from 14.1. A fix has been made available for 14.1 and 14.2 vAPP environments and is available upon request.