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From "Knut Anders Hatlen (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5682) ProtocolTest failures: Unsupported encoding MacGreek
Date Mon, 02 Apr 2012 09:18:19 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5682?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen updated DERBY-5682:
--------------------------------------

    Assignee: Kristian Waagan  (was: Knut Anders Hatlen)

Thanks for picking up this bug, Kristian. I hadn't started on it (except a little reading
of the code), so I'm reassigning it to you.

I applied the patch and verified that it ran successfully.

The patch looks good to me. I'm not completely sure, though, if the second argument to writeEncodedLDString
should be "UnicodeBigUnmarked" or "UTF-16BE". The argument ends up being passed to String.getBytes(String),
whose javadoc says the encoding should be one supported by java.nio.charset.Charset, but java.nio.charset.Charset
doesn't mention "UnicodeBigUnmarked".

On the other hand, http://docs.oracle.com/javase/7/docs/technotes/guides/intl/encoding.doc.html
says "UnicodeBigUnmarked" is the canonical name for the java.lang APIs, so I suppose both
names should be fairly portable. But this latter document is not part of the platform specification,
I think, which is why I'm not sure it's guaranteed to work.
                
> ProtocolTest failures: Unsupported encoding MacGreek
> ----------------------------------------------------
>
>                 Key: DERBY-5682
>                 URL: https://issues.apache.org/jira/browse/DERBY-5682
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.9.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Kristian Waagan
>            Priority: Minor
>         Attachments: derby-5682-1a-use_supported_encoding.diff
>
>
> I saw two failures in ProtocolTest when running them on a JVM where support for encodings
not mandated by the Java platform specification had been removed.
> There were 2 failures:
> 1) protocol.tests_1150_1212(org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest)junit.framework.AssertionFailedError:
Unsupported encoding MacGreek
> 	at org.apache.derbyTesting.junit.BaseTestCase.fail(BaseTestCase.java:879)
> 	at org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest.writeEncodedLDString(ProtocolTest.java:781)
> 	at org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest.processCommand(ProtocolTest.java:324)
> 	at org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest.processCommands(ProtocolTest.java:230)
> 	at org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest.testProtocolSequence(ProtocolTest.java:148)
> 	at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:113)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:23)
> 	at junit.extensions.TestSetup.run(TestSetup.java:27)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:23)
> 	at junit.extensions.TestSetup.run(TestSetup.java:27)
> 	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:23)
> 	at junit.extensions.TestSetup.run(TestSetup.java:27)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:23)
> 	at junit.extensions.TestSetup.run(TestSetup.java:27)
> Caused by: java.io.UnsupportedEncodingException: MacGreek
> 	at java.lang.StringCoding.encode(StringCoding.java:340)
> 	at java.lang.String.getBytes(String.java:955)
> 	at org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest.writeEncodedLDString(ProtocolTest.java:774)
> 	... 41 more
> 2) protocol.tests_1213_1243(org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest)junit.framework.AssertionFailedError:
Unsupported encoding MacGreek
> 	at org.apache.derbyTesting.junit.BaseTestCase.fail(BaseTestCase.java:879)
> 	at org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest.writeEncodedLDString(ProtocolTest.java:781)
> 	at org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest.processCommand(ProtocolTest.java:324)
> 	at org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest.processCommands(ProtocolTest.java:230)
> 	at org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest.testProtocolSequence(ProtocolTest.java:148)
> 	at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:113)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:23)
> 	at junit.extensions.TestSetup.run(TestSetup.java:27)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:23)
> 	at junit.extensions.TestSetup.run(TestSetup.java:27)
> 	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:23)
> 	at junit.extensions.TestSetup.run(TestSetup.java:27)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:23)
> 	at junit.extensions.TestSetup.run(TestSetup.java:27)
> Caused by: java.io.UnsupportedEncodingException: MacGreek
> 	at java.lang.StringCoding.encode(StringCoding.java:340)
> 	at java.lang.String.getBytes(String.java:955)
> 	at org.apache.derbyTesting.functionTests.tests.derbynet.ProtocolTest.writeEncodedLDString(ProtocolTest.java:774)
> 	... 41 more

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