[enrico.olivelli@DNA101PC193 bookkeeper-server-4.5.0-SNAPSHOT]$ bin/bookkeeper shell lastmark
JMX enabled by default
Exception in thread "main" java.lang.NullPointerException
at org.apache.bookkeeper.bookie.BookieShell.printLastLogMark(BookieShell.java:2304)
at org.apache.bookkeeper.bookie.BookieShell$LastMarkCmd.runCmd(BookieShell.java:1064)
at org.apache.bookkeeper.bookie.BookieShell$MyCommand.runCmd(BookieShell.java:175)
at org.apache.bookkeeper.bookie.BookieShell.run(BookieShell.java:1915)
at org.apache.bookkeeper.bookie.BookieShell.main(BookieShell.java:1992)