Rakesh R created BOOKKEEPER-646:
-----------------------------------

             Summary: BookieShell readjournal command is throwing 
BufferUnderflowException
                 Key: BOOKKEEPER-646
                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-646
             Project: Bookkeeper
          Issue Type: Bug
    Affects Versions: 4.2.1
            Reporter: Rakesh R
            Assignee: Rakesh R


Following is the exception:
{code}
--------- Lid=3, Eid=99, ByteOffset=5992, EntrySize=56 ---------
Type:           DATA
LastConfirmed:  98

--------- Lid=3, Eid=-8192, ByteOffset=6052, EntrySize=16 ---------
Exception in thread "main" java.nio.BufferUnderflowException
        at java.nio.Buffer.nextGetIndex(Buffer.java:480)
        at java.nio.HeapByteBuffer.getLong(HeapByteBuffer.java:387)
        at 
org.apache.bookkeeper.bookie.BookieShell.formatEntry(BookieShell.java:899)
        at 
org.apache.bookkeeper.bookie.BookieShell.access$1(BookieShell.java:882)
        at 
org.apache.bookkeeper.bookie.BookieShell$2.process(BookieShell.java:857)
        at org.apache.bookkeeper.bookie.Journal.scanJournal(Journal.java:395)
        at 
org.apache.bookkeeper.bookie.BookieShell.scanJournal(BookieShell.java:738)
        at 
org.apache.bookkeeper.bookie.BookieShell.scanJournal(BookieShell.java:849)
        at 
org.apache.bookkeeper.bookie.BookieShell$ReadJournalCmd.runCmd(BookieShell.java:440)
        at 
org.apache.bookkeeper.bookie.BookieShell$MyCommand.runCmd(BookieShell.java:111)
        at org.apache.bookkeeper.bookie.BookieShell.run(BookieShell.java:630)
        at org.apache.bookkeeper.bookie.BookieShell.main(BookieShell.java:656)
{code}


+Cause:+ When reading entries from a fenced ledger, BookieShell#formatEntry 
meeting Bookie.METAENTRY_ID_FENCE_KEY as an entry, but it doesn't have any data.

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