[ https://issues.apache.org/jira/browse/DERBY-3812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12619105#action_12619105 ] 

Kathey Marsden commented on DERBY-3812:
---------------------------------------

I think this is related to running the new OutBufferedStreamTest before this test and the property derby.drda.streamOutBufferSize is left set.  Perhaps the test could use  SystemPropertiesTestSetup instead of:

 Properties sysprops = System.getProperties();
        sysprops.put("derby.drda.streamOutBufferSize", "131072");

so the property will get reset after the test runs.


> failure in testAttributeDrdaStreamOutBufferSize(org.apache.derbyTesting.functionTests.tests.management.NetworkServerMBeanTest)junit.framework.AssertionFailedError: expected:<0> but was:<131072>
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3812
>                 URL: https://issues.apache.org/jira/browse/DERBY-3812
>             Project: Derby
>          Issue Type: Bug
>          Components: Regression Test Failure, Test
>    Affects Versions: 10.5.0.0
>            Reporter: Kathey Marsden
>
> 1) testAttributeDrdaStreamOutBufferSize(org.apache.derbyTesting.functionTests.tests.management.NetworkServerMBeanTest)junit.framework.AssertionFailedError: expected:<0> but was:<131072>
> 	at org.apache.derbyTesting.functionTests.tests.management.MBeanTest.assertIntAttribute(MBeanTest.java:401)
> 	at org.apache.derbyTesting.functionTests.tests.management.NetworkServerMBeanTest.testAttributeDrdaStreamOutBufferSize(NetworkServerMBeanTest.java:226)
> 	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:104)
> 	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 org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	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)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> FAILURES!!!

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