[BOOKKEEPER-646] BookieShell readjournal command is throwing BufferUnderflowException

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.2.1
• Fix Version/s: 4.2.2, 4.3.0
• Assignee: Rakesh Radhakrishnan
• Reporter: Rakesh Radhakrishnan
• Created: 08/Jul/13 06:11
• Updated: 20/Jul/13 18:28
• Resolved: 20/Jul/13 18:28

Description

Following is the exception:

--------- 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)

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.