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From Uma Maheswara Rao G <mahesw...@huawei.com>
Subject RE: Bk Server Log Error
Date Tue, 10 Jul 2012 06:25:23 GMT
Is that Bookie met any sudden crash?

As Sijie pointed some thing wrong in flushing. Anyway on scan failure, it will reconsider
for scan again I think. That might be the reason, you are getting this message again and again.

But we have to address the root for that short read.



Regards,

Uma

________________________________
From: Sijie Guo [guosijie@gmail.com]
Sent: Tuesday, July 10, 2012 11:39 AM
To: bookkeeper-user@zookeeper.apache.org
Subject: Re: Bk Server Log Error

John,

Is entry log 23 the latest entry log? What is the file length of entry log 23?

I am doubting the entry at the offset 1534204438 @ entry log 23 would be last entry of entry
log 23. And there is something wrong happened on flushing entry log 23 when you shutdown that
bookie server.

BTW, what is your gcWaitTime setting? is it 1000ms?



On Tue, Jul 10, 2012 at 1:07 AM, John Nagro <jnagro@hubspot.com<mailto:jnagro@hubspot.com>>
wrote:
Hello -

I just upgraded my 4.1-SNAPSHOT servers to 4.1.1-SNAPSHOT today and noticed this error message
repeating in the logs of a single server. I have 5 servers total, the other 4 appear to be
working normally.

Thanks!

-John Nagro

ERRORS:

2012-07-09 13:03:12,779 - INFO  [GarbageCollectorThread:GarbageCollectorThread@477] - Extracting
entry log meta from entryLogId: 23
2012-07-09 13:03:33,797 - WARN  [GarbageCollectorThread:GarbageCollectorThread@485] - Premature
exception when processing 23recovery will take care of the problem
java.io.IOException: Short read for ledger entry from entryLog 23@1534204438(169!=338)
at org.apache.bookkeeper.bookie.EntryLogger.scanEntryLog(EntryLogger.java:444)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLog(GarbageCollectorThread.java:504)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLogs(GarbageCollectorThread.java:481)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.run(GarbageCollectorThread.java:192)
2012-07-09 13:03:35,059 - INFO  [GarbageCollectorThread:GarbageCollectorThread@477] - Extracting
entry log meta from entryLogId: 23
2012-07-09 13:03:54,874 - WARN  [GarbageCollectorThread:GarbageCollectorThread@485] - Premature
exception when processing 23recovery will take care of the problem
java.io.IOException: Short read for ledger entry from entryLog 23@1534204438(169!=338)
at org.apache.bookkeeper.bookie.EntryLogger.scanEntryLog(EntryLogger.java:444)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLog(GarbageCollectorThread.java:504)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLogs(GarbageCollectorThread.java:481)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.run(GarbageCollectorThread.java:192)
2012-07-09 13:03:56,146 - INFO  [GarbageCollectorThread:GarbageCollectorThread@477] - Extracting
entry log meta from entryLogId: 23
2012-07-09 13:04:15,583 - WARN  [GarbageCollectorThread:GarbageCollectorThread@485] - Premature
exception when processing 23recovery will take care of the problem
java.io.IOException: Short read for ledger entry from entryLog 23@1534204438(169!=338)
at org.apache.bookkeeper.bookie.EntryLogger.scanEntryLog(EntryLogger.java:444)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLog(GarbageCollectorThread.java:504)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLogs(GarbageCollectorThread.java:481)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.run(GarbageCollectorThread.java:192)
2012-07-09 13:04:16,842 - INFO  [GarbageCollectorThread:GarbageCollectorThread@477] - Extracting
entry log meta from entryLogId: 23
2012-07-09 13:04:38,692 - WARN  [GarbageCollectorThread:GarbageCollectorThread@485] - Premature
exception when processing 23recovery will take care of the problem
java.io.IOException: Short read for ledger entry from entryLog 23@1534204438(169!=338)
at org.apache.bookkeeper.bookie.EntryLogger.scanEntryLog(EntryLogger.java:444)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLog(GarbageCollectorThread.java:504)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLogs(GarbageCollectorThread.java:481)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.run(GarbageCollectorThread.java:192)
2012-07-09 13:04:39,957 - INFO  [GarbageCollectorThread:GarbageCollectorThread@477] - Extracting
entry log meta from entryLogId: 23
2012-07-09 13:05:01,227 - WARN  [GarbageCollectorThread:GarbageCollectorThread@485] - Premature
exception when processing 23recovery will take care of the problem
java.io.IOException: Short read for ledger entry from entryLog 23@1534204438(169!=338)
at org.apache.bookkeeper.bookie.EntryLogger.scanEntryLog(EntryLogger.java:444)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLog(GarbageCollectorThread.java:504)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLogs(GarbageCollectorThread.java:481)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.run(GarbageCollectorThread.java:192)
2012-07-09 13:05:02,541 - INFO  [GarbageCollectorThread:GarbageCollectorThread@477] - Extracting
entry log meta from entryLogId: 23
2012-07-09 13:05:24,777 - WARN  [GarbageCollectorThread:GarbageCollectorThread@485] - Premature
exception when processing 23recovery will take care of the problem
java.io.IOException: Short read for ledger entry from entryLog 23@1534204438(169!=338)
at org.apache.bookkeeper.bookie.EntryLogger.scanEntryLog(EntryLogger.java:444)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLog(GarbageCollectorThread.java:504)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLogs(GarbageCollectorThread.java:481)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.run(GarbageCollectorThread.java:192)
2012-07-09 13:05:26,036 - INFO  [GarbageCollectorThread:GarbageCollectorThread@477] - Extracting
entry log meta from entryLogId: 23
2012-07-09 13:05:48,835 - WARN  [GarbageCollectorThread:GarbageCollectorThread@485] - Premature
exception when processing 23recovery will take care of the problem
java.io.IOException: Short read for ledger entry from entryLog 23@1534204438(169!=338)
at org.apache.bookkeeper.bookie.EntryLogger.scanEntryLog(EntryLogger.java:444)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLog(GarbageCollectorThread.java:504)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.extractMetaFromEntryLogs(GarbageCollectorThread.java:481)
at org.apache.bookkeeper.bookie.GarbageCollectorThread.run(GarbageCollectorThread.java:192)


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