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https://issues.apache.org/jira/browse/DERBY-6660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14060658#comment-14060658
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ASF subversion and git services commented on DERBY-6660:
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Commit 1610412 from [~knutanders] in branch 'code/trunk'
[ https://svn.apache.org/r1610412 ]
DERBY-6660: ResultSet assertion methods fail in upgrade tests
If an error happens in addRsToReport(), don't let it shadow the
original error.
> 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
> Assignee: Knut Anders Hatlen
> Attachments: d6660-1a.diff
>
>
> 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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