[BOOKKEEPER-524] Bookie journal filesystem gets full after SyncThread is terminated with exception

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 4.2.0
• Fix Version/s: 4.2.0
• Component/s: bookkeeper-server
• Assignee: Matteo Merli
• Reporter: Matteo Merli
• Created: 21/Dec/12 01:29
• Updated: 13/Feb/13 15:46
• Resolved: 07/Jan/13 02:48

Description

The SyncThread get a NPE while the rest of the bookie is still running. This causes the journal gc to be stopped and the filesystem get full.

Tue Dec 18 17:01:18 2012: Exception in thread "SyncThread" java.lang.NullPointerException
Tue Dec 18 17:01:18 2012: at org.apache.bookkeeper.bookie.LedgerCacheImpl.getLedgerEntryPage(LedgerCacheImpl.java:153)
Tue Dec 18 17:01:18 2012: at org.apache.bookkeeper.bookie.LedgerCacheImpl.flushLedger(LedgerCacheImpl.java:421)
Tue Dec 18 17:01:18 2012: at org.apache.bookkeeper.bookie.LedgerCacheImpl.flushLedger(LedgerCacheImpl.java:363)
Tue Dec 18 17:01:18 2012: at org.apache.bookkeeper.bookie.InterleavedLedgerStorage.flush(InterleavedLedgerStorage.java:148)
Tue Dec 18 17:01:18 2012: at org.apache.bookkeeper.bookie.Bookie$SyncThread.run(Bookie.java:221)