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From "Myrna van Lunteren (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-5912) testIsValidImplemented fails for NetworkServer in some slow running machines/configurations
Date Thu, 13 Sep 2012 17:54:08 GMT

    [ https://issues.apache.org/jira/browse/DERBY-5912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13455068#comment-13455068
] 

Myrna van Lunteren commented on DERBY-5912:
-------------------------------------------

Backported the comment change, and the change to ConnectionMethodsTest to 10.9 with revision
1384397 (http://svn.apache.org/viewvc?view=revision&revision=1384397), and to 10.8 with
revision 1384432 (http://svn.apache.org/viewvc?view=revision&revision=1384432).
                
> testIsValidImplemented fails for NetworkServer in some slow running machines/configurations
> -------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5912
>                 URL: https://issues.apache.org/jira/browse/DERBY-5912
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.8.2.3
>            Reporter: Kathey Marsden
>            Assignee: Myrna van Lunteren
>             Fix For: 10.8.2.3, 10.9.1.1, 10.10.0.0
>
>         Attachments: DERBY-5912_2.diff, DERBY-5912.diff
>
>
> The following test has been seen to fail as below  in some runs where the machine is
under heavy load  and slow running options are specified and the isValid() call takes more
than a second to return.
> 1) testIsValidImplemented(org.apache.derbyTesting.functionTests.tests.jdbc4.ConnectionTest)junit.framework.AssertionFailedError
> 	at org.apache.derbyTesting.functionTests.tests.jdbc4.ConnectionTest.testIsValidImplemented(ConnectionTest.java:168)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:113)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:22)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:19)
> 	at junit.extensions.TestSetup.run(TestSetup.java:23)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:22)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:19)
> 	at junit.extensions.TestSetup.run(TestSetup.java:23)
> The test does:
>    // Test with a 1 second timeout
>         assertTrue(getConnection().isValid(1));
> assuming it will return in one second.  For embedded the int parameter is not implemented
so indeed this always passes. For the Network implementation in NetConnection40.java we actually
do timeout and perform a query as part of the implementation so might indeed return false.


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