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https://issues.apache.org/jira/browse/DERBY-728?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12652169#action_12652169
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Kathey Marsden commented on DERBY-728:
--------------------------------------
I did a quick prototype of Network server/client using a UTF8CcsidManager and
was able to connect to the chinese database, but I don't see how we could
implement this change and maintain compatibility with earlier versions. All of
the exchange of server attributes is done in the CCSID manager encoding so we
couldn't negotiate which CcsidManager to use. Are we just stuck until version
11 or does someone have an idea how to manage this?
> Unable to create databases whose name containg Chinese characters through the
> client driver
> -------------------------------------------------------------------------------------------
>
> Key: DERBY-728
> URL: https://issues.apache.org/jira/browse/DERBY-728
> Project: Derby
> Issue Type: Bug
> Components: Network Client
> Affects Versions: 10.1.2.1
> Environment: Debian unstable, LInux 2.6.14.2, libc 2.3.5-6
> Reporter: Andrei Badea
>
> Trying to create a database with the following URL (note the Chinese
> character in the database name):
> jdbc:derby://localhost:1527/\u4e10;create=true
> throws the following exception:
> -----%<-----
> Exception in thread "main" org.apache.derby.client.am.SqlException: Unicode
> string can't convert to Ebcdic string
> at
> org.apache.derby.client.net.EbcdicCcsidManager.convertFromUCS2(Unknown Source)
> at
> org.apache.derby.client.net.Request.writeScalarPaddedString(Unknown Source)
> at
> org.apache.derby.client.net.NetConnectionRequest.buildRDBNAM(Unknown Source)
> at
> org.apache.derby.client.net.NetConnectionRequest.buildACCSEC(Unknown Source)
> at
> org.apache.derby.client.net.NetConnectionRequest.writeAccessSecurity(Unknown
> Source)
> at
> org.apache.derby.client.net.NetConnection.writeServerAttributesAndKeyExchange(Unknown
> Source)
> at
> org.apache.derby.client.net.NetConnection.flowServerAttributesAndKeyExchange(Unknown
> Source)
> at
> org.apache.derby.client.net.NetConnection.flowUSRIDONLconnect(Unknown Source)
> at org.apache.derby.client.net.NetConnection.flowConnect(Unknown
> Source)
> at org.apache.derby.client.net.NetConnection.<init>(Unknown Source)
> at org.apache.derby.jdbc.ClientDriver.connect(Unknown Source)
> at java.sql.DriverManager.getConnection(DriverManager.java:525)
> at java.sql.DriverManager.getConnection(DriverManager.java:193)
> at jdbctest.Main.main(Main.java:33)
> -----%<-----
> It's possible, however, to create databases using the embedded driver, using
> an URL like:
> jdbc:derby:\u4e10;create=true
> Tested with both 10.1.1.0 and 10.1.2.1 with the same result.
> Complete code to reproduce the bug:
> -----%<-----
> public static void main(String[] args) throws Exception {
> Class.forName("org.apache.derby.jdbc.ClientDriver");
> Connection conn =
> DriverManager.getConnection("jdbc:derby://localhost:1527/\u4e10;create=true");
> }
> -----%<-----
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