Closing this bug as this pattern
%-5p %d{yyyy-MM-dd HH:mm:ss,SSS}%x %t %c %m%n
works with the minor issue of not displaying timezone in the log entry time display. As explained in the comment below, a later pattern for dateformat has been used. Insight is built against the log4j 1.3 release.
2009-01-07 12:09:33 UTC in MindTree Insight