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From "Alexey Ousov (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-775) Some Firedird setup tricks
Date Wed, 19 Nov 2008 04:02:44 GMT
Some Firedird setup tricks
--------------------------

                 Key: OPENJPA-775
                 URL: https://issues.apache.org/jira/browse/OPENJPA-775
             Project: OpenJPA
          Issue Type: Improvement
          Components: docs
    Affects Versions: 1.2.0, 1.1.0
            Reporter: Alexey Ousov
            Priority: Minor


When using OpenJPA with Firebird JDBC drivers after version "1.5.6", due to this driver fix:
http://tracker.firebirdsql.org/browse/JDBC-91 the following exception will be thrown:
org.firebirdsql.jdbc.FBSQLException: The result set is closed
       at org.firebirdsql.jdbc.AbstractResultSet.checkCursorMove(AbstractResultSet.java:217)
       at org.firebirdsql.jdbc.AbstractResultSet.next(AbstractResultSet.java:249)
       at org.apache.openjpa.lib.jdbc.DelegatingResultSet.next(DelegatingResultSet.java:106)
       at org.apache.openjpa.jdbc.sql.ResultSetResult.nextInternal(ResultSetResult.java:222)
       at org.apache.openjpa.jdbc.sql.SelectImpl$SelectResult.nextInternal(SelectImpl.java:2285)
       at org.apache.openjpa.jdbc.sql.AbstractResult.next(AbstractResult.java:169)
       at org.apache.openjpa.jdbc.meta.strats.StoreCollectionFieldStrategy.load(StoreCollectionFieldStrategy.java:476)
       at org.apache.openjpa.jdbc.meta.FieldMapping.load(FieldMapping.java:802)
       at org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:520)
       ... 14 more

To use OpenJPA with new Firedird JDBC drivers, defaultResultSetHoldable argument should be
set to overcome the issue. It can be either set in JDBC url as follows:
jdbc:firebirdsql:embedded:M:/Lib/__Data/firebird/TE-FULL.gdb?defaultResultSetHoldable=True
Or it can be passed as a parameter to Firebird data source. For examle setting Firebird XA
connection pool in Apache Tomcat 5.5 looks like:
<Resource name="jdbc/ODEdatabaseConnection" auth="Container" scope="Shareable"
  factory="org.firebirdsql.pool.FBConnectionPoolDataSource" 
  type="org.firebirdsql.pool.FBConnectionPoolDataSource" 
  userName="SYSDBA" password="masterkey"
  database="M:\Lib\__Data\firebird\TE-FULL.gdb" defaultResultSetHoldable="true"
  nonStandard="type=embedded"/>


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