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From "Andrew McIntyre (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-2543) testVirtualMemoryHeap junit test fails with "Virtual memory heap test failed! Got unexpected value. expected:<202> but was:<103>"
Date Fri, 13 Apr 2007 21:31:15 GMT

    [ https://issues.apache.org/jira/browse/DERBY-2543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12488793
] 

Andrew McIntyre commented on DERBY-2543:
----------------------------------------

derby.language.maxMemoryPerTable is a static property. It is set once, at boot time, and then
does not change. See org.apache.derby.engine.impl.sql.compile.OptimizerFactoryImpl.boot().
See also the Tuning guide for a discussion of dynamic vs. static Derby properties.

singleUseDatabaseDecorator wasn't exactly what I was looking for, but it doesn't appear that
DatabasePropertyTestSetup(test, properties, true) is working either, although it appears to
be doing the right thing as far as setting the properties, and shutting down / bringing up
the database. Next to investigate is whether OptimizerFactoryImpl.boot() is being called again
after the shutdown to pick up the new property values.


>  testVirtualMemoryHeap junit test fails with "Virtual memory heap test failed! Got unexpected
value. expected:<202> but was:<103>"
> ----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2543
>                 URL: https://issues.apache.org/jira/browse/DERBY-2543
>             Project: Derby
>          Issue Type: Bug
>          Components: Regression Test Failure
>    Affects Versions: 10.3.0.0
>            Reporter: Mike Matrigali
>
> junit suite fails with the following error:
> 2) testVirtualMemoryHeap(org.apache.derbyTesting.functionTests.tests.lang.UpdateCursorTest)junit.framework.AssertionFailedError:
Virtual memory heap test failed! Got unexpected value. expected:<202> but was:<103>
> 	at org.apache.derbyTesting.functionTests.tests.lang.UpdateCursorTest.testVirtualMemoryHeap(UpdateCursorTest.java:178)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:88)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)

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