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Posted to dev@felix.apache.org by "Jamie goodyear (JIRA)" <ji...@apache.org> on 2010/02/12 16:12:27 UTC

[jira] Created: (FELIX-2072) [Karaf] OracleJDBCLock filling UNDO segment.

[Karaf]  OracleJDBCLock filling UNDO segment.
---------------------------------------------

                 Key: FELIX-2072
                 URL: https://issues.apache.org/jira/browse/FELIX-2072
             Project: Felix
          Issue Type: Bug
          Components: Karaf
            Reporter: Jamie goodyear


When using the Oracle JDBC Lock mechanism the UNDO table space fills at a rapid pace. The following log entry will be observed:

ERROR | Thread-1 | OracleJDBCLock | .felix.karaf.main.OracleJDBCLock 211 | Error occured while testing lock: java.sql.SQLException: ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDO'
ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDO'


Reviewing the Oracle JDBC Lock class it appears the UNDO space is being consumed by un-necessary update commands.

I'll be attaching a patch for this shortly.

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[jira] Updated: (FELIX-2072) [Karaf] OracleJDBCLock filling UNDO segment.

Posted by "Jamie goodyear (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/FELIX-2072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jamie goodyear updated FELIX-2072:
----------------------------------

    Attachment: felix-2072.diff

File: felix-2072.diff

See attached file felix-2072.diff.

This patch modifies OracleJDBCLock to use less UNDO tablespace.

Tested with Oracle XE on Linux.

> [Karaf]  OracleJDBCLock filling UNDO segment.
> ---------------------------------------------
>
>                 Key: FELIX-2072
>                 URL: https://issues.apache.org/jira/browse/FELIX-2072
>             Project: Felix
>          Issue Type: Bug
>          Components: Karaf
>            Reporter: Jamie goodyear
>         Attachments: felix-2072.diff
>
>
> When using the Oracle JDBC Lock mechanism the UNDO table space fills at a rapid pace. The following log entry will be observed:
> ERROR | Thread-1 | OracleJDBCLock | .felix.karaf.main.OracleJDBCLock 211 | Error occured while testing lock: java.sql.SQLException: ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDO'
> ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDO'
> Reviewing the Oracle JDBC Lock class it appears the UNDO space is being consumed by un-necessary update commands.
> I'll be attaching a patch for this shortly.

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[jira] Resolved: (FELIX-2072) [Karaf] OracleJDBCLock filling UNDO segment.

Posted by "Guillaume Nodet (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/FELIX-2072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guillaume Nodet resolved FELIX-2072.
------------------------------------

       Resolution: Fixed
    Fix Version/s: karaf-1.4.0
         Assignee: Guillaume Nodet

Committing to https://svn.apache.org/repos/asf/felix/trunk ...
	M	karaf/main/src/main/java/org/apache/felix/karaf/main/OracleJDBCLock.java
Committed r909494


> [Karaf]  OracleJDBCLock filling UNDO segment.
> ---------------------------------------------
>
>                 Key: FELIX-2072
>                 URL: https://issues.apache.org/jira/browse/FELIX-2072
>             Project: Felix
>          Issue Type: Bug
>          Components: Karaf
>            Reporter: Jamie goodyear
>            Assignee: Guillaume Nodet
>             Fix For: karaf-1.4.0
>
>         Attachments: felix-2072.diff
>
>
> When using the Oracle JDBC Lock mechanism the UNDO table space fills at a rapid pace. The following log entry will be observed:
> ERROR | Thread-1 | OracleJDBCLock | .felix.karaf.main.OracleJDBCLock 211 | Error occured while testing lock: java.sql.SQLException: ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDO'
> ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDO'
> Reviewing the Oracle JDBC Lock class it appears the UNDO space is being consumed by un-necessary update commands.
> I'll be attaching a patch for this shortly.

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