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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (DERBY-2618) EmbedClob.setAsciiStream does not handle non-ascii characters correctly
Date Thu, 24 May 2007 15:13:16 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2618?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kristian Waagan resolved DERBY-2618.
------------------------------------

       Resolution: Invalid
    Fix Version/s: 10.3.0.0
       Derby Info:   (was: [Patch Available])

Resolving as invalid, since there is no such thing as a non-ascii character if the stream
is behaving according to contract.< (ignoring high order bits). Note that in JDBC ASCII
is defined to by any value between 0 and 255 (inclusive).

Also note that there has been some fixes done as part of this issue.
There might be underlying issues that have not yet been solved. They are handled by other
Jiras.

I expect to close this issue soon.

> EmbedClob.setAsciiStream does not handle non-ascii characters correctly
> -----------------------------------------------------------------------
>
>                 Key: DERBY-2618
>                 URL: https://issues.apache.org/jira/browse/DERBY-2618
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.3.0.0
>            Reporter: Kristian Waagan
>             Fix For: 10.3.0.0
>
>         Attachments: derby-2618v3.diff, derby2618_partial_v1.txt, derby2618_partial_v2.txt,
derby2618_partial_v4.txt, derby2618_partial_v5-ontopofv4.diff, Derby2618BugsInClobAsciiStream.java
>
>
> If non-ascii characters are written to the Writer returned by EmbedClob.setAsciiStream,
Derby fails with a 'java.io.UTFDataFormatException' when the CLOB value is read back.
> I'm filing this bug with 'Major' priority, as the bug does not manifest itself when entering
data, just when you try to get it back. Except from filtering the data yourself before entering
it, I don't think there is any workaround.
> Sample stack trace from a modified test:
> 1) testClobAsciiWrite1ParamKRISTIWAA(org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest)java.sql.SQLException:
Unable to set stream: 'java.io.UTFDataFormatException'.
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:95)
>         at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:88)
>         at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:94)
>         at org.apache.derby.impl.jdbc.Util.setStreamFailure(Util.java:246)
>         at org.apache.derby.impl.jdbc.EmbedClob.length(EmbedClob.java:190)
>         at org.apache.derby.impl.jdbc.EmbedPreparedStatement.setClob(EmbedPreparedStatement.java:1441)
>         at org.apache.derbyTesting.functionTests.tests.jdbcapi.LobStreamsTest.testClobAsciiWrite1ParamKRISTIWAA(LobStreamsTest.java:255)
>         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:88)
> Caused by: java.sql.SQLException: Unable to set stream: 'java.io.UTFDataFormatException'.
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(SQLExceptionFactory40.java:135)
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:70)
>         ... 22 more

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