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From "Kristian Waagan (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5682) ProtocolTest failures: Unsupported encoding MacGreek
Date Mon, 02 Apr 2012 10:55:21 GMT

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

Kristian Waagan updated DERBY-5682:
-----------------------------------

    Attachment: derby-5682-1b-use_supported_encoding.diff

Thanks for looking into the naming conventions, Knut Anders.

The relevant Derby class ([1]) uses UnicodeBigUnmarked, which was what led me to the encoding
doc. As the recommendation on this is to never remove an alias, I think UnicodeBigUnmarked
should work for all VMs that have been around for a while - the fact that it is listed as
a canonical name in the Internationalization Guide suggests so too.
However, it appears to me that it is easier to determine that UTF-16BE is always supported
([2]) since it is listed in the API Specification (the Javadocs), so I'm using it instead
in patch 1b (attached).


[1] CharacterEncoding in the drda package, there's one for the client side too.
[2] The encoding doc/guide introduced UTF-16BE as a canonical name for the java.nio package
in J2SE 1.4, whereas UnicodeBigUnmarked was the canonical name originally used in the Sun
JDK.
                
> 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, derby-5682-1b-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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