[jira] [Resolved] (OAK-280) H2 should be configured for not to close on exit

["Chetan Mehrotra (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OAK-280?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chetan Mehrotra resolved OAK-280.
---------------------------------

    Resolution: Won't Fix

H2 based MK is not currently used in OSGi env where this issue is primarily seen. 

> H2 should be configured for not to close on exit
> ------------------------------------------------
>
>                 Key: OAK-280
>                 URL: https://issues.apache.org/jira/browse/OAK-280
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: mk
>    Affects Versions: 0.5
>            Reporter: Chetan Mehrotra
>            Assignee: Chetan Mehrotra
>            Priority: Minor
>
> By default H2 registers itself with shutdown hook to close the database on exit. However in managed env like OSGi it would be preferable to disable this behaviour[1] as bundle shutdown logic takes care of closing such resources.
> Without this following exceptions are logged
> {noformat}
> 24.08.2012 19:11:09.005 *ERROR* [RevisionStore-GC] org.apache.jackrabbit.mk.store.DefaultRevisionStore Exception occurred in GC cycle org.h2.jdbc.JdbcSQLException: Database is already closed (to disable automatic closing at VM shutdown, add ";DB_CLOSE_ON_EXIT=FALSE" to the db URL) [90121-158]
> 	at org.h2.message.DbException.getJdbcSQLException(DbException.java:329)
> 	at org.h2.message.DbException.get(DbException.java:169)
> 	at org.h2.message.DbException.get(DbException.java:146)
> 	at org.h2.message.DbException.get(DbException.java:135)
> 	at org.h2.jdbc.JdbcConnection.checkClosed(JdbcConnection.java:1394)
> 	at org.h2.jdbc.JdbcConnection.checkClosedForWrite(JdbcConnection.java:1379)
> 	at org.h2.jdbc.JdbcConnection.rollback(JdbcConnection.java:463)
> 	at org.h2.jdbcx.JdbcXAConnection.getConnection(JdbcXAConnection.java:106)
> 	at org.h2.jdbcx.JdbcConnectionPool.getConnectionNow(JdbcConnectionPool.java:228)
> 	at org.h2.jdbcx.JdbcConnectionPool.getConnection(JdbcConnectionPool.java:199)
> 	at org.apache.jackrabbit.mk.persistence.H2Persistence.readCommit(H2Persistence.java:168)
> {noformat} 
> [1] http://www.h2database.com/html/features.html#do_not_close_on_exit 



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