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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 Wed, 09 Mar 2011 09:52:59 GMT

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

Knut Anders Hatlen updated DERBY-5113:
--------------------------------------

    Attachment: reporting.diff

The stack trace of the underlying IOException is lost because Util.setStreamFailure() only
preserves the message text when it converts it to an SQLException. The attached patch makes
setStreamFailure() preserve the stack trace too, so that we'll get more information the next
time it happens.

Running regression tests now.

> 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: 10.8.0.0
>         Environment: Solaris 10 and Windows
> Java(TM) SE Runtime Environment (build 1.7.0-ea-b131)
>            Reporter: Knut Anders Hatlen
>         Attachments: 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
here:
> 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
Source)
> 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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