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Re: [c-jdbc] severe problem on production system


Emmanuel :

could it be related to the synchronization issue you are currently working on 
?
The problem seems to happen after one of the backends were disabled.


2004-08-28 22:22:25,093 ERROR controller.loadbalancer.RAIDb1 Disabling 
backend db2 because connections failed inside a transaction.
2004-08-28 22:22:25,093 INFO  cjdbc.controller.jmx Sending 
notification:cjdbc.virtualdatabase.backend.disabled(Message No:8)
2004-08-28 22:22:25,095 INFO  controller.loadbalancer.RAIDb1 Request  635124 
failed (Disabling backend db2 because connections failed inside a 
transaction.)
2004-08-28 22:22:25,095 WARN  controller.RequestManager.baDB Failed to 
execute request select * from community_forum_message wh... because of 
(Request  635124 failed (Disabling backend db2 because connections failed 
inside a transaction.))
2004-08-28 22:22:25,095 WARN  controller.virtualdatabase.baDB Request 
'635124' failed (Failed to execute request select * from 
community_forum_message wh... because of (Request  635124 failed (Disabling 
backend db2 because connections failed inside a transaction.)))
2004-08-28 22:22:25,095 WARN  VirtualDatabaseWorkerThread.baDB.53 Error 
during command execution (Failed to execute request select * from 
community_forum_message wh... because of (Request  635124 failed (Disabling 
backend db2 because connections failed inside a transaction.)))
2004-08-28 22:22:25,102 ERROR backend.DatabaseBackend.db2 Failed to rollback 
transaction 16023 on backend db2 but 1 succeeded (java.sql.SQLException: 
Unable to retrieve connection for transaction 16023)
2004-08-28 22:22:25,103 WARN  backend.DatabaseBackend.db2 Task execution 
failed (java.sql.SQLException: Failed to rollback transaction 16023 on 
backend db2 but 1 succeeded (java.sql.SQLException: Unable to retrieve 
connection for transaction 16023))
2004-08-28 22:22:25,104 INFO  cjdbc.controller.cache Flushing all cache due 
to rollback of transaction : 16023
2004-08-28 22:22:28,651 ERROR controller.loadbalancer.RAIDb1 Request 635312 
failed:

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

Özcan :

There seems to be a problem with character encoding, this might lead to 
strange behaviour of the database connection as some character might be 
interpreted by the database as controll commands.

BackendThread db1 failed (org.postgresql.util.PSQLException: ERROR: could not 
convert UTF-8 character 0x00e2 to ISO8859-1





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