[jira] [Created] (DERBY-6660) ResultSet assertion methods fail in upgrade tests

["Knut Anders Hatlen (JIRA)" <ji...@apache.org>]

Knut Anders Hatlen created DERBY-6660:
-----------------------------------------

             Summary: ResultSet assertion methods fail in upgrade tests
                 Key: DERBY-6660
                 URL: https://issues.apache.org/jira/browse/DERBY-6660
             Project: Derby
          Issue Type: Bug
          Components: Test
    Affects Versions: 10.11.0.0
            Reporter: Knut Anders Hatlen


If a ResultSet assertion method (such as JDBC.assertFullResultSet()) fails, it now attempts to add the entire ResultSet to the error message. This code uses the ResultSet.isClosed() method, which was added in JDBC 4.0. If this code runs on an older version of Derby that doesn't support JDBC 4.0, it fails with an AbstractMethodError because the isClosed() method doesn't exist. This could happen in the upgrade tests.

See for example this stack trace from a failing test run ([http://download.java.net/javadesktop/derby/request_5593747/javadb-task-3900531.html]):

{noformat}
java.lang.AbstractMethodError: org.apache.derby.impl.jdbc.EmbedResultSet20.isClosed()Z
	at org.apache.derbyTesting.junit.JDBC.addRsToReport(JDBC.java:1832)
	at org.apache.derbyTesting.junit.JDBC.assertFullResultSetMinion(JDBC.java:1151)
	at org.apache.derbyTesting.junit.JDBC.assertFullResultSet(JDBC.java:1048)
	at org.apache.derbyTesting.junit.JDBC.assertFullResultSet(JDBC.java:1005)
	at org.apache.derbyTesting.junit.JDBC.assertFullResultSet(JDBC.java:963)
	at org.apache.derbyTesting.functionTests.tests.upgradeTests.Changes10_2.testTriggerInternalVTI(Changes10_2.java:157)
	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:118)
	at org.apache.derbyTesting.junit.BaseJDBCTestCase.runBareOverridable(BaseJDBCTestCase.java:440)
(...)
{noformat}

The AbstractMethodError shadows the original error.



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