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https://issues.apache.org/jira/browse/DERBY-4869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12995895#comment-12995895
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Rick Hillegas commented on DERBY-4869:
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a) AutoloadedDriver is needed for Java 5 and lower. It can't contain the
getParentLogger() method because that method raises an exception which is only
present in Java 6 and up.
b) AutoloadedDriver40 is needed for Java 7 and up. On Java 7, the driver
returned by DriverManager.getDriver( "jdbc:derby" ) must implement
getParentLogger().
c) The remaining question is: which class do we use on Java 6? We have followed
the existing pattern in the code by running the most capable class possible.
Since the signature of getParentLogger() can be compiled on Java 6, we use the
more capable version on that platform.
Does one of the above statements not make sense?
Thanks,
-Rick
> Implement JDBC 4.1, the api increment introduced by Java 7
> ----------------------------------------------------------
>
> Key: DERBY-4869
> URL: https://issues.apache.org/jira/browse/DERBY-4869
> Project: Derby
> Issue Type: Improvement
> Components: JDBC
> Reporter: Rick Hillegas
> Assignee: Rick Hillegas
> Attachments: Drv41.java, JDBC_4.1_Changes.html,
> derby-4869-01-ac-rs-getObject.diff, derby-4869-01-ad-rs-getObject.diff,
> derby-4869-02-aa-cs-ps-addBatch.diff, derby-4869-02-ab-cs-ps-addBatch.diff,
> derby-4869-03-aa-rs-getObject-errorCleanup.diff,
> derby-4869-04-aa-rs-getObject-simplification.diff,
> derby-4869-05-aa-rs-getObject-exception.diff,
> derby-4869-06-aa-cs-getObject.diff, derby-4869-06-ab-cs-getObject.diff,
> derby-4869-07-aa-timedisplacement.diff, derby-4869-08-ac-nullHandling.diff,
> derby-4869-09-ac-abort.diff, derby-4869-10-aa-abortSecurityTest.diff,
> derby-4869-11-aa-abortHidePrivates.diff,
> derby-4869-12-aa-xaAndPooledAborts.diff,
> derby-4869-13-aa-xaAndPooledAbortsSecurityManager.diff,
> derby-4869-14-ac-closeOnCompletion.diff, derby-4869-15-aa-autoGenKeys.diff,
> derby-4869-16-aa-clarifyStatementSpec.diff,
> derby-4869-17-aa-statementTimeoutException.diff,
> derby-4869-18-aa-getSetSchema.diff,
> derby-4869-19-aa-getSetNetworkTimeout.diff,
> derby-4869-20-aa-setSchemaFastPath.diff,
> derby-4869-21-aa-implicitlyClosedResultSets.diff,
> derby-4869-21-ab-implicitlyClosedResultSets.diff,
> derby-4869-22-aa-unstableStatementTest.diff, derby-4869-23-aa-dbmd.diff,
> derby-4869-24-ab-getParentLogger.diff,
> derby-4869-25-aa-removeClosureCheck.diff,
> derby-4869-26-aa-signatureTests.diff, derby-4869-27-aa-driver40.diff,
> derby-4869-28-ab-autoloadExceptionFactory.diff,
> derby-4869-29-aa-fixAutoloadTest.diff,
> derby-4869-30-aa-unstableStatementTest.diff,
> derby-4869-31-aa-unstableStatementTest.diff,
> derby-4869-31-ab-unstableStatementTest.diff,
> derby-4869-exp-01-aa-noTryCatch.diff, disable-tests.diff, timezone.diff
>
>
> This is a master issue logged to track our work implementing JDBC 4.1, the
> changes to the java.sql and javax.sql packages introduced by Java 7.
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