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From Apache Wiki <wikidi...@apache.org>
Subject [Db-derby Wiki] Update of "LockDebugging" by KristianWaagan
Date Wed, 22 Sep 2010 10:56:50 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Db-derby Wiki" for change notification.

The "LockDebugging" page has been changed by KristianWaagan.
http://wiki.apache.org/db-derby/LockDebugging?action=diff&rev1=5&rev2=6

--------------------------------------------------

  . The selected victim is XID : 235. 
  }}}
  
- If you don't see such output, you may need to set the [[http://db.apache.org/derby/docs/dev/tuning/rtunproper23835.html|derby.locks.deadlockTrace]]
property or some of the other derby.locks. properties, or upgrade to a newer version of Derby.
The various properties you can set are described in the [[http://db.apache.org/derby/docs/dev/tuning/|Tuning
Guide]], and some usage is [[http://db.apache.org/derby/docs/dev/devguide/cdevconcepts16400.html|described]]
in the Developer's Guide.
+ If you don't see such output, you may need to set the [[http://db.apache.org/derby/docs/dev/ref/rrefproper23835.html|derby.locks.deadlockTrace]]
property or some of the other derby.locks. properties, or upgrade to a newer version of Derby.
The various properties you can set are described in the [[http://db.apache.org/derby/docs/dev/tuning/|Tuning
Guide]], and some usage is [[http://db.apache.org/derby/docs/dev/devguide/cdevconcepts16400.html|described]]
in the Developer's Guide.
  
  === Lock timeouts ===
  
@@ -39, +39 @@

  {{{
  java.sql.SQLTransactionRollbackException: A lock could not be obtained within the time requested.
  }}}
- If you have enabled the [[http://db.apache.org/derby/docs/dev/tuning/rtunproper23835.html|derby.locks.deadlockTrace]]
property, you will probably also see a dump of the lock table at the time of the timeout,
for example:
+ If you have enabled the [[http://db.apache.org/derby/docs/dev/ref/rrefproper23835.html|derby.locks.deadlockTrace]]
property, you will probably also see a dump of the lock table at the time of the timeout,
for example:
  {{{
  java.sql.SQLTransactionRollbackException: A lock could not be obtained within the time requested.
The lockTable dump is:
  2007-06-15 11:34:06.748 GMT

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