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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-5113) Intermittent failure in BlobSetMethodsTest on Java 7: Unable to set stream: 'Reached EOF prematurely; expected 1,024, got 0.'
Date Mon, 14 Mar 2011 10:10:29 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Knut Anders Hatlen updated DERBY-5113:

     Affects Version/s:     (was:
    Bug behavior facts: [Regression Test Failure, Wrong query result]  (was: [Regression Test

The bug in EmbedBlob.truncate() is seen all the way back to 10.3 when truncate() was implemented.
Before that, the method threw a not implemented exception.

Marking the bug as a wrong result bug, since if the length argument isn't so big that the
call fails with premature EOF, the truncated Blob object will contain the wrong value (correct
length, but not the right bytes).

> Intermittent failure in BlobSetMethodsTest on Java 7: Unable to set stream: 'Reached
EOF prematurely; expected 1,024, got 0.'
> -----------------------------------------------------------------------------------------------------------------------------
>                 Key: DERBY-5113
>                 URL: https://issues.apache.org/jira/browse/DERBY-5113
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC, Test
>    Affects Versions:,,,,,,,,,,
>         Environment: Solaris 10 and Windows
> Java(TM) SE Runtime Environment (build 1.7.0-ea-b131)
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>             Fix For:
>         Attachments: derby-5113-1a-test.diff, derby-5113-2a-truncate.diff, reporting.diff
> Not sure if this is a test issue, a product issue or a JVM issue. It started happening
when JDK 7 was upgraded from b116 to b131 in the nightly tests. I haven't been able to reproduce
the failure in my environment, but it happens frequently in the nightly testing. For example
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.7/testing/testlog/sol/1078053-suitesAll_diff.txt
> 19) testSetBytesLargeBlob(org.apache.derbyTesting.functionTests.tests.jdbc4.BlobSetMethodsTest)java.sql.SQLException:
Unable to set stream: 'Reached EOF prematurely; expected 1,024, got 0.'.
> 	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.Util.setStreamFailure(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedBlob.truncate(Unknown Source)
> 	at org.apache.derbyTesting.functionTests.tests.jdbc4.BlobSetMethodsTest.testSetBytesLargeBlob(BlobSetMethodsTest.java:102)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
> 	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)
> Caused by: java.sql.SQLException: Unable to set stream: 'Reached EOF prematurely; expected
1,024, got 0.'.
> 	at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
> 	at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown
> The problem does not appear to be the reordering of the test cases that we've seen in
many other tests when running on Java 7 b131. According to the traces printed to the test
log (for example in the above mentioned URL), this failure is also seen in the cases where
the test cases run in the same order as on most other platforms.

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